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DatabaseConfig (Oracle - Berkeley DB Java API)
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com.sleepycat.db</FONT>
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Class DatabaseConfig</H2>
<PRE>
<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
  <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>com.sleepycat.db.DatabaseConfig</B>
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<DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Cloneable.html?is-external=true" title="class or interface in java.lang">Cloneable</A></DD>
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<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../com/sleepycat/db/SecondaryConfig.html" title="class in com.sleepycat.db">SecondaryConfig</A></DD>
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<DT><PRE>public class <B>DatabaseConfig</B><DT>extends <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A><DT>implements <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Cloneable.html?is-external=true" title="class or interface in java.lang">Cloneable</A></DL>
</PRE>

<P>
Specify the attributes of a database.
<P>

<P>
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<P>
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<B>Field Summary</B></FONT></TH>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;<A HREF="../../../com/sleepycat/db/DatabaseConfig.html" title="class in com.sleepycat.db">DatabaseConfig</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#DEFAULT">DEFAULT</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;An instance created using the default constructor is initialized
    with the system's default settings.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#DatabaseConfig()">DatabaseConfig</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;An instance created using the default constructor is initialized with
    the system's default settings.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../com/sleepycat/db/DatabaseConfig.html" title="class in com.sleepycat.db">DatabaseConfig</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#cloneConfig()">cloneConfig</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns a copy of this configuration object.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getAllowCreate()">getAllowCreate</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return true if the <A HREF="../../../com/sleepycat/db/Environment.html#openDatabase(com.sleepycat.db.Transaction, java.lang.String, java.lang.String, com.sleepycat.db.DatabaseConfig)"><CODE>Environment.openDatabase</CODE></A> method is configured
    to create the database if it does not already exist.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getBtreeComparator()">getBtreeComparator</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the custom Comparator used for btree keys.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../com/sleepycat/db/BtreeCompressor.html" title="interface in com.sleepycat.db">BtreeCompressor</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getBtreeCompressor()">getBtreeCompressor</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the Btree compression callbacks.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getBtreeMinKey()">getBtreeMinKey</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the minimum number of key/data pairs intended to be stored
    on any single Btree leaf page.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../com/sleepycat/db/BtreePrefixCalculator.html" title="interface in com.sleepycat.db">BtreePrefixCalculator</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getBtreePrefixCalculator()">getBtreePrefixCalculator</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the Btree prefix callback.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getBtreeRecordNumbers()">getBtreeRecordNumbers</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return true if the Btree is configured to support retrieval by record number.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getByteOrder()">getByteOrder</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the database byte order; a byte order of 4,321 indicates a
    big endian order, and a byte order of 1,234 indicates a little
    endian order.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getByteSwapped()">getByteSwapped</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return if the underlying database files were created on an architecture
    of the same byte order as the current one.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getCacheCount()">getCacheCount</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the number of shared memory buffer pools, that is, the number
    of caches.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;long</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getCacheSize()">getCacheSize</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the size of the shared memory buffer pool, that is, the cache.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getChecksum()">getChecksum</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return true if the database environment is configured to do checksum
    verification of pages read into the cache from the backing
    filestore.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getCreateDir()">getCreateDir</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the directory a database will/has been created in or looked for.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getDirtyRead()">getDirtyRead</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>This has been replaced by <A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getReadUncommitted()"><CODE>getReadUncommitted()</CODE></A> to conform to ANSI
    database isolation terminology.</I></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getDuplicateComparator()">getDuplicateComparator</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the duplicate data item comparison callback.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getEncrypted()">getEncrypted</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return true if the database has been configured to perform encryption.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../com/sleepycat/db/ErrorHandler.html" title="interface in com.sleepycat.db">ErrorHandler</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getErrorHandler()">getErrorHandler</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the function to be called if an error occurs.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getErrorPrefix()">getErrorPrefix</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the prefix string that appears before error messages.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getErrorStream()">getErrorStream</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the an OutputStream for displaying error messages.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getExclusiveCreate()">getExclusiveCreate</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return true if the <A HREF="../../../com/sleepycat/db/Environment.html#openDatabase(com.sleepycat.db.Transaction, java.lang.String, java.lang.String, com.sleepycat.db.DatabaseConfig)"><CODE>Environment.openDatabase</CODE></A> method is configured
    to fail if the database already exists.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../com/sleepycat/db/FeedbackHandler.html" title="interface in com.sleepycat.db">FeedbackHandler</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getFeedbackHandler()">getFeedbackHandler</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the object's methods to be called to provide feedback.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getHashComparator()">getHashComparator</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the Comparator used to compare keys in a Hash database.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../com/sleepycat/db/Hasher.html" title="interface in com.sleepycat.db">Hasher</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getHasher()">getHasher</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the database-specific hash function.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getHashFillFactor()">getHashFillFactor</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the hash table density.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getHashNumElements()">getHashNumElements</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the estimate of the final size of the hash table.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;long</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getHeapRegionSize()">getHeapRegionSize</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the number of pages in a region of the database.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;long</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getHeapsize()">getHeapsize</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the maximum on-disk database file size.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../com/sleepycat/db/MessageHandler.html" title="interface in com.sleepycat.db">MessageHandler</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getMessageHandler()">getMessageHandler</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the function to be called with an informational message.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getMessageStream()">getMessageStream</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the an OutputStream for displaying informational messages.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;long</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getMode()">getMode</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the mode used to create files.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getMultiversion()">getMultiversion</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return true if the database is configured for multiversion concurrency control.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getNoMMap()">getNoMMap</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return true if the library is configured to not map this database into
    memory.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getNoWaitDbExclusiveLock()">getNoWaitDbExclusiveLock</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return whether the <A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handle is
configured to obtain a write lock on the entire database.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getPageSize()">getPageSize</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the size of the pages used to hold items in the database, in bytes.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../com/sleepycat/db/PanicHandler.html" title="interface in com.sleepycat.db">PanicHandler</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getPanicHandler()">getPanicHandler</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the function to be called if the database environment panics.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getPartitionDirs()">getPartitionDirs</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the array of directories the database extents should be created in or
looked for.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../com/sleepycat/db/PartitionHandler.html" title="interface in com.sleepycat.db">PartitionHandler</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getPartitionHandler()">getPartitionHandler</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the function to be called to determine which partition a key resides in.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getPartitionKeys()">getPartitionKeys</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the array of keys the database is configured to partition with.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getPartitionParts()">getPartitionParts</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the number of partitions the database is configured for.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../com/sleepycat/db/CacheFilePriority.html" title="class in com.sleepycat.db">CacheFilePriority</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getPriority()">getPriority</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the the cache priority for pages referenced by this handle.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getQueueExtentSize()">getQueueExtentSize</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the size of the extents used to hold pages in a Queue database,
    specified as a number of pages.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getQueueInOrder()">getQueueInOrder</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return true if the <A HREF="../../../com/sleepycat/db/Database.html#consume(com.sleepycat.db.Transaction, com.sleepycat.db.DatabaseEntry, com.sleepycat.db.DatabaseEntry, boolean)"><CODE>Database.consume</CODE></A> method is configured to return
    key/data pairs in order, always returning the key/data item from the
    head of the queue.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getReadOnly()">getReadOnly</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return true if the database is configured in read-only mode.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getReadUncommitted()">getReadUncommitted</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return true if the database is configured to support read uncommitted.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getRecordDelimiter()">getRecordDelimiter</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the delimiting byte used to mark the end of a record in the
    backing source file for the Recno access method.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getRecordLength()">getRecordLength</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the database record length, in bytes.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../com/sleepycat/db/RecordNumberAppender.html" title="interface in com.sleepycat.db">RecordNumberAppender</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getRecordNumberAppender()">getRecordNumberAppender</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the function to call after the record number has been
    selected but before the data has been stored into the database.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getRecordPad()">getRecordPad</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the padding character for short, fixed-length records for the
    Queue and Recno access methods.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getRecordSource()">getRecordSource</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the name of an underlying flat text database file that is
    read to initialize a transient record number index.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getRenumbering()">getRenumbering</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return true if the logical record numbers are mutable, and change as
    records are added to and deleted from the database.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getReverseSplitOff()">getReverseSplitOff</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return true if the Btree has been configured to not do reverse splits.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getSnapshot()">getSnapshot</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return true if the any specified backing source file will be read in its
    entirety when the database is opened.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getSortedDuplicates()">getSortedDuplicates</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return true if the database is configured to support sorted duplicate data
    items.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getTransactional()">getTransactional</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return true if the database open is enclosed within a transaction.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getTransactionNotDurable()">getTransactionNotDurable</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return true if the database environment is configured to not write log
    records for this database.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getTruncate()">getTruncate</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return true if the database has been configured to be physically truncated
    by truncating the underlying file, discarding all previous databases
    it might have held.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../com/sleepycat/db/DatabaseType.html" title="class in com.sleepycat.db">DatabaseType</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getType()">getType</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the type of the database.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getUnsortedDuplicates()">getUnsortedDuplicates</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return true if the database is configured to support duplicate data items.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setAllowCreate(boolean)">setAllowCreate</A></B>(boolean&nbsp;allowCreate)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Configure the <A HREF="../../../com/sleepycat/db/Environment.html#openDatabase(com.sleepycat.db.Transaction, java.lang.String, java.lang.String, com.sleepycat.db.DatabaseConfig)"><CODE>Environment.openDatabase</CODE></A> method to create
    the database if it does not already exist.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setBtreeComparator(java.util.Comparator)">setBtreeComparator</A></B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</A>&nbsp;btreeComparator)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;By default, a byte by byte lexicographic comparison is used for
    btree keys.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setBtreeCompressor(com.sleepycat.db.BtreeCompressor)">setBtreeCompressor</A></B>(<A HREF="../../../com/sleepycat/db/BtreeCompressor.html" title="interface in com.sleepycat.db">BtreeCompressor</A>&nbsp;btreeCompressor)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the Btree compression callbacks.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setBtreeMinKey(int)">setBtreeMinKey</A></B>(int&nbsp;btMinKey)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the minimum number of key/data pairs intended to be stored on any
    single Btree leaf page.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setBtreePrefixCalculator(com.sleepycat.db.BtreePrefixCalculator)">setBtreePrefixCalculator</A></B>(<A HREF="../../../com/sleepycat/db/BtreePrefixCalculator.html" title="interface in com.sleepycat.db">BtreePrefixCalculator</A>&nbsp;btreePrefixCalculator)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the Btree prefix callback.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setBtreeRecordNumbers(boolean)">setBtreeRecordNumbers</A></B>(boolean&nbsp;btreeRecordNumbers)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Configure the Btree to support retrieval by record number.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setByteOrder(int)">setByteOrder</A></B>(int&nbsp;byteOrder)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the byte order for integers in the stored database metadata.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setCacheCount(int)">setCacheCount</A></B>(int&nbsp;cacheCount)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the number of shared memory buffer pools, that is, the number of
caches.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setCacheSize(long)">setCacheSize</A></B>(long&nbsp;cacheSize)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the size of the shared memory buffer pool, that is, the size of the
cache.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setChecksum(boolean)">setChecksum</A></B>(boolean&nbsp;checksum)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Configure the database environment to do checksum verification of
    pages read into the cache from the backing filestore.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setCreateDir(java.io.File)">setCreateDir</A></B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A>&nbsp;createDir)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Specify which directory a database should be created in or looked for.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setDirtyRead(boolean)">setDirtyRead</A></B>(boolean&nbsp;dirtyRead)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>This has been replaced by <A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setReadUncommitted(boolean)"><CODE>setReadUncommitted(boolean)</CODE></A> to conform to ANSI
    database isolation terminology.</I></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setDuplicateComparator(java.util.Comparator)">setDuplicateComparator</A></B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</A>&nbsp;duplicateComparator)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the duplicate data item comparison callback.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setEncrypted(java.lang.String)">setEncrypted</A></B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;password)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the password used to perform encryption and decryption.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setErrorHandler(com.sleepycat.db.ErrorHandler)">setErrorHandler</A></B>(<A HREF="../../../com/sleepycat/db/ErrorHandler.html" title="interface in com.sleepycat.db">ErrorHandler</A>&nbsp;errorHandler)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the function to be called if an error occurs.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setErrorPrefix(java.lang.String)">setErrorPrefix</A></B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;errorPrefix)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the prefix string that appears before error messages.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setErrorStream(java.io.OutputStream)">setErrorStream</A></B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</A>&nbsp;errorStream)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set an OutputStream for displaying error messages.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setExclusiveCreate(boolean)">setExclusiveCreate</A></B>(boolean&nbsp;exclusiveCreate)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Configure the <A HREF="../../../com/sleepycat/db/Environment.html#openDatabase(com.sleepycat.db.Transaction, java.lang.String, java.lang.String, com.sleepycat.db.DatabaseConfig)"><CODE>Environment.openDatabase</CODE></A> method to fail if
    the database already exists.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setFeedbackHandler(com.sleepycat.db.FeedbackHandler)">setFeedbackHandler</A></B>(<A HREF="../../../com/sleepycat/db/FeedbackHandler.html" title="interface in com.sleepycat.db">FeedbackHandler</A>&nbsp;feedbackHandler)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set an object whose methods are called to provide feedback.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setHashComparator(java.util.Comparator)">setHashComparator</A></B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</A>&nbsp;hashComparator)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the Hash key comparison function.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setHasher(com.sleepycat.db.Hasher)">setHasher</A></B>(<A HREF="../../../com/sleepycat/db/Hasher.html" title="interface in com.sleepycat.db">Hasher</A>&nbsp;hasher)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set a database-specific hash function.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setHashFillFactor(int)">setHashFillFactor</A></B>(int&nbsp;hashFillFactor)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the desired density within the hash table.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setHashNumElements(int)">setHashNumElements</A></B>(int&nbsp;hashNumElements)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set an estimate of the final size of the hash table.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setHeapRegionSize(int)">setHeapRegionSize</A></B>(int&nbsp;npages)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the number of pages in a region of a database configured to use
    the Heap access method.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setHeapsize(long)">setHeapsize</A></B>(long&nbsp;bytes)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the maximum on-disk database file size used by a database configured to
    use the Heap access method.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setMessageHandler(com.sleepycat.db.MessageHandler)">setMessageHandler</A></B>(<A HREF="../../../com/sleepycat/db/MessageHandler.html" title="interface in com.sleepycat.db">MessageHandler</A>&nbsp;messageHandler)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set a function to be called with an informational message.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setMessageStream(java.io.OutputStream)">setMessageStream</A></B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</A>&nbsp;messageStream)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set an OutputStream for displaying informational messages.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setMode(int)">setMode</A></B>(int&nbsp;mode)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;On UNIX systems or in IEEE/ANSI Std 1003.1 (POSIX) environments, files
    created by the database open are created with mode <code>mode</code>
    (as described in the <code>chmod</code>(2) manual page) and modified
    by the process' umask value at the time of creation (see the
    <code>umask</code>(2) manual page).</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setMultiversion(boolean)">setMultiversion</A></B>(boolean&nbsp;multiversion)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Configured the database with support for multiversion concurrency control.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setNoMMap(boolean)">setNoMMap</A></B>(boolean&nbsp;noMMap)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Configure the library to not map this database into memory.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setNoWaitDbExclusiveLock(java.lang.Boolean)">setNoWaitDbExclusiveLock</A></B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</A>&nbsp;noWaitDbExclLock)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Configure the <A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handle to obtain a 
write lock on the entire database.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setPageSize(int)">setPageSize</A></B>(int&nbsp;pageSize)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the size of the pages used to hold items in the database, in bytes.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setPanicHandler(com.sleepycat.db.PanicHandler)">setPanicHandler</A></B>(<A HREF="../../../com/sleepycat/db/PanicHandler.html" title="interface in com.sleepycat.db">PanicHandler</A>&nbsp;panicHandler)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the function to be called if the database environment panics.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setPartitionByCallback(int, com.sleepycat.db.PartitionHandler)">setPartitionByCallback</A></B>(int&nbsp;parts,
                       <A HREF="../../../com/sleepycat/db/PartitionHandler.html" title="interface in com.sleepycat.db">PartitionHandler</A>&nbsp;partitionHandler)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Enable or disable database partitioning, and set the callback that will
be used for the partitioning.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setPartitionByRange(int, com.sleepycat.db.MultipleDataEntry)">setPartitionByRange</A></B>(int&nbsp;parts,
                    <A HREF="../../../com/sleepycat/db/MultipleDataEntry.html" title="class in com.sleepycat.db">MultipleDataEntry</A>&nbsp;keys)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Enable or disable database partitioning, and set key ranges that will be
    used for the partitioning.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setPartitionDirs(java.io.File[])">setPartitionDirs</A></B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A>[]&nbsp;dirs)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Specify the array of directories the database extents should be created in or
looked for.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setPriority(com.sleepycat.db.CacheFilePriority)">setPriority</A></B>(<A HREF="../../../com/sleepycat/db/CacheFilePriority.html" title="class in com.sleepycat.db">CacheFilePriority</A>&nbsp;priority)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the cache priority for pages referenced by the DB handle.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setQueueExtentSize(int)">setQueueExtentSize</A></B>(int&nbsp;queueExtentSize)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the size of the extents used to hold pages in a Queue database,
    specified as a number of pages.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setQueueInOrder(boolean)">setQueueInOrder</A></B>(boolean&nbsp;queueInOrder)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Configure <A HREF="../../../com/sleepycat/db/Database.html#consume(com.sleepycat.db.Transaction, com.sleepycat.db.DatabaseEntry, com.sleepycat.db.DatabaseEntry, boolean)"><CODE>Database.consume</CODE></A> to return key/data pairs in
    order, always returning the key/data item from the head of the
    queue.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setReadOnly(boolean)">setReadOnly</A></B>(boolean&nbsp;readOnly)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Configure the database in read-only mode.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setReadUncommitted(boolean)">setReadUncommitted</A></B>(boolean&nbsp;readUncommitted)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Configure the database to support read uncommitted.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setRecordDelimiter(int)">setRecordDelimiter</A></B>(int&nbsp;recordDelimiter)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the delimiting byte used to mark the end of a record in the backing
    source file for the Recno access method.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setRecordLength(int)">setRecordLength</A></B>(int&nbsp;recordLength)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Specify the database record length, in bytes.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setRecordNumberAppender(com.sleepycat.db.RecordNumberAppender)">setRecordNumberAppender</A></B>(<A HREF="../../../com/sleepycat/db/RecordNumberAppender.html" title="interface in com.sleepycat.db">RecordNumberAppender</A>&nbsp;recnoAppender)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Configure <A HREF="../../../com/sleepycat/db/Database.html#append(com.sleepycat.db.Transaction, com.sleepycat.db.DatabaseEntry, com.sleepycat.db.DatabaseEntry)"><CODE>Database.append</CODE></A> to call the function after the
    record number has been selected but before the data has been stored
    into the database.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setRecordPad(int)">setRecordPad</A></B>(int&nbsp;recordPad)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the padding character for short, fixed-length records for the Queue
    and Recno access methods.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setRecordSource(java.io.File)">setRecordSource</A></B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A>&nbsp;recordSource)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the underlying source file for the Recno access method.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setRenumbering(boolean)">setRenumbering</A></B>(boolean&nbsp;renumbering)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Configure the logical record numbers to be mutable, and change as
    records are added to and deleted from the database.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setReverseSplitOff(boolean)">setReverseSplitOff</A></B>(boolean&nbsp;reverseSplitOff)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Configure the Btree to not do reverse splits.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setSnapshot(boolean)">setSnapshot</A></B>(boolean&nbsp;snapshot)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Specify that any specified backing source file be read in its entirety
    when the database is opened.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setSortedDuplicates(boolean)">setSortedDuplicates</A></B>(boolean&nbsp;sortedDuplicates)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Configure the database to support sorted, duplicate data items.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setTransactional(boolean)">setTransactional</A></B>(boolean&nbsp;transactional)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Enclose the database open within a transaction.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setTransactionNotDurable(boolean)">setTransactionNotDurable</A></B>(boolean&nbsp;transactionNotDurable)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Configure the database environment to not write log records for this
    database.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setTruncate(boolean)">setTruncate</A></B>(boolean&nbsp;truncate)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Configure the database to be physically truncated by truncating the
    underlying file, discarding all previous databases it might have
    held.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setType(com.sleepycat.db.DatabaseType)">setType</A></B>(<A HREF="../../../com/sleepycat/db/DatabaseType.html" title="class in com.sleepycat.db">DatabaseType</A>&nbsp;type)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Configure the type of the database.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setUnsortedDuplicates(boolean)">setUnsortedDuplicates</A></B>(boolean&nbsp;unsortedDuplicates)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Configure the database to support unsorted duplicate data items.</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
</TR>
</TABLE>
&nbsp;
<P>

<!-- ============ FIELD DETAIL =========== -->

<A NAME="field_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Field Detail</B></FONT></TH>
</TR>
</TABLE>

<A NAME="DEFAULT"><!-- --></A><H3>
DEFAULT</H3>
<PRE>
public static final <A HREF="../../../com/sleepycat/db/DatabaseConfig.html" title="class in com.sleepycat.db">DatabaseConfig</A> <B>DEFAULT</B></PRE>
<DL>
<DD>An instance created using the default constructor is initialized
    with the system's default settings.
<P>
<DL>
</DL>
</DL>

<!-- ========= CONSTRUCTOR DETAIL ======== -->

<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Constructor Detail</B></FONT></TH>
</TR>
</TABLE>

<A NAME="DatabaseConfig()"><!-- --></A><H3>
DatabaseConfig</H3>
<PRE>
public <B>DatabaseConfig</B>()</PRE>
<DL>
<DD>An instance created using the default constructor is initialized with
    the system's default settings.
<P>
</DL>

<!-- ============ METHOD DETAIL ========== -->

<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Method Detail</B></FONT></TH>
</TR>
</TABLE>

<A NAME="cloneConfig()"><!-- --></A><H3>
cloneConfig</H3>
<PRE>
public <A HREF="../../../com/sleepycat/db/DatabaseConfig.html" title="class in com.sleepycat.db">DatabaseConfig</A> <B>cloneConfig</B>()</PRE>
<DL>
<DD>Returns a copy of this configuration object.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setAllowCreate(boolean)"><!-- --></A><H3>
setAllowCreate</H3>
<PRE>
public void <B>setAllowCreate</B>(boolean&nbsp;allowCreate)</PRE>
<DL>
<DD>Configure the <A HREF="../../../com/sleepycat/db/Environment.html#openDatabase(com.sleepycat.db.Transaction, java.lang.String, java.lang.String, com.sleepycat.db.DatabaseConfig)"><CODE>Environment.openDatabase</CODE></A> method to create
    the database if it does not already exist.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>allowCreate</CODE> - If true, configure the <A HREF="../../../com/sleepycat/db/Environment.html#openDatabase(com.sleepycat.db.Transaction, java.lang.String, java.lang.String, com.sleepycat.db.DatabaseConfig)"><CODE>Environment.openDatabase</CODE></A> method to
    create the database if it does not already exist.</DL>
</DD>
</DL>
<HR>

<A NAME="getAllowCreate()"><!-- --></A><H3>
getAllowCreate</H3>
<PRE>
public boolean <B>getAllowCreate</B>()</PRE>
<DL>
<DD>Return true if the <A HREF="../../../com/sleepycat/db/Environment.html#openDatabase(com.sleepycat.db.Transaction, java.lang.String, java.lang.String, com.sleepycat.db.DatabaseConfig)"><CODE>Environment.openDatabase</CODE></A> method is configured
    to create the database if it does not already exist.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>True if the <A HREF="../../../com/sleepycat/db/Environment.html#openDatabase(com.sleepycat.db.Transaction, java.lang.String, java.lang.String, com.sleepycat.db.DatabaseConfig)"><CODE>Environment.openDatabase</CODE></A> method is configured
    to create the database if it does not already exist.</DL>
</DD>
</DL>
<HR>

<A NAME="setBtreeComparator(java.util.Comparator)"><!-- --></A><H3>
setBtreeComparator</H3>
<PRE>
public void <B>setBtreeComparator</B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</A>&nbsp;btreeComparator)</PRE>
<DL>
<DD>By default, a byte by byte lexicographic comparison is used for
    btree keys. To customize the comparison, supply a different
    Comparator.
    <p>
    The <code>compare</code> method is passed the byte arrays representing
    keys that are stored in the database. If you know how your data is
    organized in the byte array, then you can write a comparison routine that
    directly examines the contents of the arrays. Otherwise, you have to
    reconstruct your original objects, and then perform the comparison.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getBtreeComparator()"><!-- --></A><H3>
getBtreeComparator</H3>
<PRE>
public <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</A> <B>getBtreeComparator</B>()</PRE>
<DL>
<DD>Return the custom Comparator used for btree keys.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the custom Comparator used for btree keys, or null if the default
    comparison function will be used.</DL>
</DD>
</DL>
<HR>

<A NAME="setBtreeMinKey(int)"><!-- --></A><H3>
setBtreeMinKey</H3>
<PRE>
public void <B>setBtreeMinKey</B>(int&nbsp;btMinKey)</PRE>
<DL>
<DD>Set the minimum number of key/data pairs intended to be stored on any
    single Btree leaf page.
    <p>
    This value is used to determine if key or data items will be stored
    on overflow pages instead of Btree leaf pages.  The value must be
    at least 2; if the value is not explicitly set, a value of 2 is used.
    <p>
    This method configures a database, not only operations performed using
the specified <A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handle.
    <p>
    This method may not be called after the database is opened.
If the database already exists when it is opened,
the information specified to this method will be ignored.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>btMinKey</CODE> - The minimum number of key/data pairs intended to be stored on any
    single Btree leaf page.</DL>
</DD>
</DL>
<HR>

<A NAME="getBtreeMinKey()"><!-- --></A><H3>
getBtreeMinKey</H3>
<PRE>
public int <B>getBtreeMinKey</B>()</PRE>
<DL>
<DD>Return the minimum number of key/data pairs intended to be stored
    on any single Btree leaf page.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The minimum number of key/data pairs intended to be stored
    on any single Btree leaf page.</DL>
</DD>
</DL>
<HR>

<A NAME="setByteOrder(int)"><!-- --></A><H3>
setByteOrder</H3>
<PRE>
public void <B>setByteOrder</B>(int&nbsp;byteOrder)</PRE>
<DL>
<DD>Set the byte order for integers in the stored database metadata.
    <p>
    The host byte order of the machine where the process is running will
    be used if no byte order is set.
    <p>
    <b>
    The access methods provide no guarantees about the byte ordering of the
    application data stored in the database, and applications are
    responsible for maintaining any necessary ordering.
    </b>
    <p>
    This method configures a database, not only operations performed using
the specified <A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handle.
    <p>
    This method may not be called after the database is opened.
If the database already exists when it is opened,
the information specified to this method will be ignored.
    If creating additional databases in a single physical file, information
    specified to this method will be ignored and the byte order of the
    existing databases will be used.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>byteOrder</CODE> - The byte order as an integer; for example, big endian order is the
    number 4,321, and little endian order is the number 1,234.</DL>
</DD>
</DL>
<HR>

<A NAME="getByteOrder()"><!-- --></A><H3>
getByteOrder</H3>
<PRE>
public int <B>getByteOrder</B>()</PRE>
<DL>
<DD>Return the database byte order; a byte order of 4,321 indicates a
    big endian order, and a byte order of 1,234 indicates a little
    endian order.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The database byte order; a byte order of 4,321 indicates a
    big endian order, and a byte order of 1,234 indicates a little
    endian order.</DL>
</DD>
</DL>
<HR>

<A NAME="getByteSwapped()"><!-- --></A><H3>
getByteSwapped</H3>
<PRE>
public boolean <B>getByteSwapped</B>()</PRE>
<DL>
<DD>Return if the underlying database files were created on an architecture
    of the same byte order as the current one.
    <p>
    This information may be used to determine whether application data
    needs to be adjusted for this architecture or not.
    <p>
    This method may not be called before the
database has been opened.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>Return false if the underlying database files were created on an
    architecture of the same byte order as the current one, and true if
    they were not (that is, big-endian on a little-endian machine, or
    vice versa).</DL>
</DD>
</DL>
<HR>

<A NAME="setBtreeCompressor(com.sleepycat.db.BtreeCompressor)"><!-- --></A><H3>
setBtreeCompressor</H3>
<PRE>
public void <B>setBtreeCompressor</B>(<A HREF="../../../com/sleepycat/db/BtreeCompressor.html" title="interface in com.sleepycat.db">BtreeCompressor</A>&nbsp;btreeCompressor)</PRE>
<DL>
<DD>Set the Btree compression callbacks.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getBtreeCompressor()"><!-- --></A><H3>
getBtreeCompressor</H3>
<PRE>
public <A HREF="../../../com/sleepycat/db/BtreeCompressor.html" title="interface in com.sleepycat.db">BtreeCompressor</A> <B>getBtreeCompressor</B>()</PRE>
<DL>
<DD>Get the Btree compression callbacks.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setBtreePrefixCalculator(com.sleepycat.db.BtreePrefixCalculator)"><!-- --></A><H3>
setBtreePrefixCalculator</H3>
<PRE>
public void <B>setBtreePrefixCalculator</B>(<A HREF="../../../com/sleepycat/db/BtreePrefixCalculator.html" title="interface in com.sleepycat.db">BtreePrefixCalculator</A>&nbsp;btreePrefixCalculator)</PRE>
<DL>
<DD>Set the Btree prefix callback.  The prefix callback is used to determine
    the amount by which keys stored on the Btree internal pages can be
    safely truncated without losing their uniqueness.  See the
    <a href="../../../../programmer_reference/bt_conf.html#am_conf_bt_prefix" target="_top">Btree prefix
    comparison</a> section of the Berkeley DB Reference Guide for more
    details about how this works.  The usefulness of this is data-dependent,
    but can produce significantly reduced tree sizes and search times in
    some data sets.
    <p>
    If no prefix callback or key comparison callback is specified by the
    application, a default lexical comparison function is used to calculate
    prefixes.  If no prefix callback is specified and a key comparison
    callback is specified, no prefix function is used.  It is an error to
    specify a prefix function without also specifying a Btree key comparison
    function.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getBtreePrefixCalculator()"><!-- --></A><H3>
getBtreePrefixCalculator</H3>
<PRE>
public <A HREF="../../../com/sleepycat/db/BtreePrefixCalculator.html" title="interface in com.sleepycat.db">BtreePrefixCalculator</A> <B>getBtreePrefixCalculator</B>()</PRE>
<DL>
<DD>Return the Btree prefix callback.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The Btree prefix callback.</DL>
</DD>
</DL>
<HR>

<A NAME="setCacheSize(long)"><!-- --></A><H3>
setCacheSize</H3>
<PRE>
public void <B>setCacheSize</B>(long&nbsp;cacheSize)</PRE>
<DL>
<DD>Set the size of the shared memory buffer pool, that is, the size of the
cache.
<p>
The cache should be the size of the normal working data set of the
application, with some small amount of additional memory for unusual
situations.  (Note: the working set is not the same as the number of
pages accessed simultaneously, and is usually much larger.)
<p>
The default cache size is 256KB, and may not be specified as less than
20KB.  Any cache size less than 500MB is automatically increased by 25%
to account for buffer pool overhead; cache sizes larger than 500MB are
used as specified.  The current maximum size of a single cache is 4GB.
(All sizes are in powers-of-two, that is, 256KB is 2^18 not 256,000.)
<p>
Because databases opened within database environments use the cache
specified to the environment, it is an error to attempt to configure a
cache size in a database created within an environment.
<p>
This method may not be called after the database is opened.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>cacheSize</CODE> - The size of the shared memory buffer pool, that is, the size of the
cache.
<p>
<p>
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../com/sleepycat/db/DatabaseException.html" title="class in com.sleepycat.db">DatabaseException</A></CODE> - if a failure occurs.</DL>
</DD>
</DL>
<HR>

<A NAME="getCacheSize()"><!-- --></A><H3>
getCacheSize</H3>
<PRE>
public long <B>getCacheSize</B>()</PRE>
<DL>
<DD>Return the size of the shared memory buffer pool, that is, the cache.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The size of the shared memory buffer pool, that is, the cache.</DL>
</DD>
</DL>
<HR>

<A NAME="setCreateDir(java.io.File)"><!-- --></A><H3>
setCreateDir</H3>
<PRE>
public void <B>setCreateDir</B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A>&nbsp;createDir)</PRE>
<DL>
<DD>Specify which directory a database should be created in or looked for.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>createDir</CODE> - The directory will be used to create or locate the database file specified in
the openDatabase method call. The directory must be one of the directories
in the environment list specified by EnvironmentConfig.addDataDirectory.
<p>
<p>
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../com/sleepycat/db/DatabaseException.html" title="class in com.sleepycat.db">DatabaseException</A></CODE> - if a failure occurs.</DL>
</DD>
</DL>
<HR>

<A NAME="getCreateDir()"><!-- --></A><H3>
getCreateDir</H3>
<PRE>
public <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> <B>getCreateDir</B>()</PRE>
<DL>
<DD>Return the directory a database will/has been created in or looked for.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The directory a database will/has been created in or looked for.</DL>
</DD>
</DL>
<HR>

<A NAME="setCacheCount(int)"><!-- --></A><H3>
setCacheCount</H3>
<PRE>
public void <B>setCacheCount</B>(int&nbsp;cacheCount)</PRE>
<DL>
<DD>Set the number of shared memory buffer pools, that is, the number of
caches.
<p>
It is possible to specify caches larger than 4GB and/or large enough
they cannot be allocated contiguously on some architectures.  For
example, some releases of Solaris limit the amount of memory that may
be allocated contiguously by a process.  This method allows applications
to break the cache broken up into a number of  equally sized, separate
pieces of memory.
<p>
<p>
Because databases opened within database environments use the cache
specified to the environment, it is an error to attempt to configure
multiple caches in a database created within an environment.
<p>
This method may not be called after the database is opened.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>cacheCount</CODE> - The number of shared memory buffer pools, that is, the number of caches.
<p>
<p>
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../com/sleepycat/db/DatabaseException.html" title="class in com.sleepycat.db">DatabaseException</A></CODE> - if a failure occurs.</DL>
</DD>
</DL>
<HR>

<A NAME="getCacheCount()"><!-- --></A><H3>
getCacheCount</H3>
<PRE>
public int <B>getCacheCount</B>()</PRE>
<DL>
<DD>Return the number of shared memory buffer pools, that is, the number
    of caches.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The number of shared memory buffer pools, that is, the number
    of caches.</DL>
</DD>
</DL>
<HR>

<A NAME="setChecksum(boolean)"><!-- --></A><H3>
setChecksum</H3>
<PRE>
public void <B>setChecksum</B>(boolean&nbsp;checksum)</PRE>
<DL>
<DD>Configure the database environment to do checksum verification of
    pages read into the cache from the backing filestore.
    <p>
    Berkeley DB uses the SHA1 Secure Hash Algorithm if encryption is
    also configured for this database, and a general hash algorithm if
    it is not.
    <p>
    Calling this method only affects the specified <A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handle
(and any other library handles opened within the scope of that handle).
    <p>
    If the database already exists when the database is opened, any database
configuration specified by this method
will be ignored.
    If creating additional databases in a file, the checksum behavior
    specified must be consistent with the existing databases in the file or
    an error will be returned.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>checksum</CODE> - If true, configure the database environment to do checksum verification
    of pages read into the cache from the backing filestore.
    A value of false is illegal to this method, that is, once set, the
configuration cannot be cleared.</DL>
</DD>
</DL>
<HR>

<A NAME="getChecksum()"><!-- --></A><H3>
getChecksum</H3>
<PRE>
public boolean <B>getChecksum</B>()</PRE>
<DL>
<DD>Return true if the database environment is configured to do checksum
    verification of pages read into the cache from the backing
    filestore.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>True if the database environment is configured to do checksum
    verification of pages read into the cache from the backing
    filestore.</DL>
</DD>
</DL>
<HR>

<A NAME="setReadUncommitted(boolean)"><!-- --></A><H3>
setReadUncommitted</H3>
<PRE>
public void <B>setReadUncommitted</B>(boolean&nbsp;readUncommitted)</PRE>
<DL>
<DD>Configure the database to support read uncommitted.
    <p>
    Read operations on the database may request the return of modified
    but not yet committed data.  This flag must be specified on all
    <A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handles used to perform read uncommitted or database
    updates, otherwise requests for read uncommitted may not be honored and
    the read may block.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>readUncommitted</CODE> - If true, configure the database to support read uncommitted.</DL>
</DD>
</DL>
<HR>

<A NAME="getReadUncommitted()"><!-- --></A><H3>
getReadUncommitted</H3>
<PRE>
public boolean <B>getReadUncommitted</B>()</PRE>
<DL>
<DD>Return true if the database is configured to support read uncommitted.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>True if the database is configured to support read uncommitted.</DL>
</DD>
</DL>
<HR>

<A NAME="setDirtyRead(boolean)"><!-- --></A><H3>
setDirtyRead</H3>
<PRE>
public void <B>setDirtyRead</B>(boolean&nbsp;dirtyRead)</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>This has been replaced by <A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setReadUncommitted(boolean)"><CODE>setReadUncommitted(boolean)</CODE></A> to conform to ANSI
    database isolation terminology.</I>
<P>
<DD>Configure the database to support read uncommitted.
    <p>
    Read operations on the database may request the return of modified
    but not yet committed data.  This flag must be specified on all
    <A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handles used to perform read uncommitted or database
    updates, otherwise requests for read uncommitted may not be honored and
    the read may block.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>dirtyRead</CODE> - If true, configure the database to support read uncommitted.
        <p></DL>
</DD>
</DL>
<HR>

<A NAME="getDirtyRead()"><!-- --></A><H3>
getDirtyRead</H3>
<PRE>
public boolean <B>getDirtyRead</B>()</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>This has been replaced by <A HREF="../../../com/sleepycat/db/DatabaseConfig.html#getReadUncommitted()"><CODE>getReadUncommitted()</CODE></A> to conform to ANSI
    database isolation terminology.</I>
<P>
<DD>Return true if the database is configured to support read uncommitted.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>True if the database is configured to support read uncommitted.
        <p></DL>
</DD>
</DL>
<HR>

<A NAME="setDuplicateComparator(java.util.Comparator)"><!-- --></A><H3>
setDuplicateComparator</H3>
<PRE>
public void <B>setDuplicateComparator</B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</A>&nbsp;duplicateComparator)</PRE>
<DL>
<DD>Set the duplicate data item comparison callback.  The comparison
    function is called whenever it is necessary to compare a data item
    specified by the application with a data item currently stored in the
    database.  This comparator is only used if
    <A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setSortedDuplicates(boolean)"><CODE>DatabaseConfig.setSortedDuplicates</CODE></A> is also configured.
    <p>
    If no comparison function is specified, the data items are compared
    lexically, with shorter data items collating before longer data items.
    <p>
    The <code>compare</code> method is passed the byte arrays representing
    data items in the database. If you know how your data is organized in
    the byte array, then you can write a comparison routine that directly
    examines the contents of the arrays.  Otherwise, you have to
    reconstruct your original objects, and then perform the comparison.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>duplicateComparator</CODE> - the comparison callback for duplicate data items.</DL>
</DD>
</DL>
<HR>

<A NAME="getDuplicateComparator()"><!-- --></A><H3>
getDuplicateComparator</H3>
<PRE>
public <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</A> <B>getDuplicateComparator</B>()</PRE>
<DL>
<DD>Return the duplicate data item comparison callback.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the duplicate data item Comparator, or null if the default Comparator
    will be used.</DL>
</DD>
</DL>
<HR>

<A NAME="setEncrypted(java.lang.String)"><!-- --></A><H3>
setEncrypted</H3>
<PRE>
public void <B>setEncrypted</B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;password)</PRE>
<DL>
<DD>Set the password used to perform encryption and decryption.
    <p>
    Because databases opened within environments use the password
    specified to the environment, it is an error to attempt to set a
    password in a database created within an environment.
    <p>
    Berkeley DB uses the Rijndael/AES (also known as the Advanced
    Encryption Standard and Federal Information Processing
    Standard (FIPS) 197) algorithm for encryption or decryption.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getEncrypted()"><!-- --></A><H3>
getEncrypted</H3>
<PRE>
public boolean <B>getEncrypted</B>()</PRE>
<DL>
<DD>Return true if the database has been configured to perform encryption.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>True if the database has been configured to perform encryption.</DL>
</DD>
</DL>
<HR>

<A NAME="setErrorHandler(com.sleepycat.db.ErrorHandler)"><!-- --></A><H3>
setErrorHandler</H3>
<PRE>
public void <B>setErrorHandler</B>(<A HREF="../../../com/sleepycat/db/ErrorHandler.html" title="interface in com.sleepycat.db">ErrorHandler</A>&nbsp;errorHandler)</PRE>
<DL>
<DD>Set the function to be called if an error occurs.
<p>
When an error occurs in the Berkeley DB library, an exception is thrown.
In some cases, however, the error information returned to the
application may be insufficient to completely describe the cause of the
error, especially during initial application debugging.
<p>
The <A HREF="../../../com/sleepycat/db/EnvironmentConfig.html#setErrorHandler(com.sleepycat.db.ErrorHandler)"><CODE>EnvironmentConfig.setErrorHandler</CODE></A> and <A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setErrorHandler(com.sleepycat.db.ErrorHandler)"><CODE>DatabaseConfig.setErrorHandler</CODE></A> methods are used to enhance the mechanism for reporting
error messages to the application.  In some cases, when an error occurs,
Berkeley DB will invoke the ErrorHandler's object error method.  It is
up to this method to display the error message in an appropriate manner.
<p>
Alternatively, applications can use <A HREF="../../../com/sleepycat/db/EnvironmentConfig.html#setErrorStream(java.io.OutputStream)"><CODE>EnvironmentConfig.setErrorStream</CODE></A> and <A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setErrorStream(java.io.OutputStream)"><CODE>DatabaseConfig.setErrorStream</CODE></A> to
display the additional information via an output stream.  Applications
should not mix these approaches.
<p>
This error-logging enhancement does not slow performance or significantly
increase application size, and may be run during normal operation as well
as during application debugging.
<p>
For <A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handles opened inside of database environments,
calling this method affects the entire environment and is equivalent to
calling <A HREF="../../../com/sleepycat/db/EnvironmentConfig.html#setErrorHandler(com.sleepycat.db.ErrorHandler)"><CODE>EnvironmentConfig.setErrorHandler</CODE></A>.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>errorHandler</CODE> - The function to be called if an error occurs.</DL>
</DD>
</DL>
<HR>

<A NAME="getErrorHandler()"><!-- --></A><H3>
getErrorHandler</H3>
<PRE>
public <A HREF="../../../com/sleepycat/db/ErrorHandler.html" title="interface in com.sleepycat.db">ErrorHandler</A> <B>getErrorHandler</B>()</PRE>
<DL>
<DD>Return the function to be called if an error occurs.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The function to be called if an error occurs.</DL>
</DD>
</DL>
<HR>

<A NAME="setErrorPrefix(java.lang.String)"><!-- --></A><H3>
setErrorPrefix</H3>
<PRE>
public void <B>setErrorPrefix</B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;errorPrefix)</PRE>
<DL>
<DD>Set the prefix string that appears before error messages.
<p>
For <A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handles opened inside of database environments,
calling this method affects the entire environment and is equivalent to
calling <A HREF="../../../com/sleepycat/db/EnvironmentConfig.html#setErrorPrefix(java.lang.String)"><CODE>EnvironmentConfig.setErrorPrefix</CODE></A>.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>errorPrefix</CODE> - The prefix string that appears before error messages.</DL>
</DD>
</DL>
<HR>

<A NAME="getErrorPrefix()"><!-- --></A><H3>
getErrorPrefix</H3>
<PRE>
public <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>getErrorPrefix</B>()</PRE>
<DL>
<DD>Return the prefix string that appears before error messages.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The prefix string that appears before error messages.</DL>
</DD>
</DL>
<HR>

<A NAME="setErrorStream(java.io.OutputStream)"><!-- --></A><H3>
setErrorStream</H3>
<PRE>
public void <B>setErrorStream</B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</A>&nbsp;errorStream)</PRE>
<DL>
<DD>Set an OutputStream for displaying error messages.
<p>
When an error occurs in the Berkeley DB library, an exception is thrown.
In some cases, however, the error information returned to the
application may be insufficient to completely describe the cause of the
error, especially during initial application debugging.
<p>
The <A HREF="../../../com/sleepycat/db/EnvironmentConfig.html#setErrorStream(java.io.OutputStream)"><CODE>EnvironmentConfig.setErrorStream</CODE></A> and
<A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setErrorStream(java.io.OutputStream)"><CODE>DatabaseConfig.setErrorStream</CODE></A> methods are used to enhance
the mechanism for reporting error messages to the application by setting
a OutputStream to be used for displaying additional Berkeley DB error
messages.  In some cases, when an error occurs, Berkeley DB will output
an additional error message to the specified stream.
<p>
The error message will consist of the prefix string and a colon
("<b>:</b>") (if a prefix string was previously specified using
<A HREF="../../../com/sleepycat/db/EnvironmentConfig.html#setErrorPrefix(java.lang.String)"><CODE>EnvironmentConfig.setErrorPrefix</CODE></A> or <A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setErrorPrefix(java.lang.String)"><CODE>DatabaseConfig.setErrorPrefix</CODE></A>), an error string, and a trailing newline character.
<p>
Setting errorStream to null unconfigures the interface.
<p>
Alternatively, applications can use <A HREF="../../../com/sleepycat/db/EnvironmentConfig.html#setErrorHandler(com.sleepycat.db.ErrorHandler)"><CODE>EnvironmentConfig.setErrorHandler</CODE></A> and <A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setErrorHandler(com.sleepycat.db.ErrorHandler)"><CODE>DatabaseConfig.setErrorHandler</CODE></A> to capture
the additional error information in a way that does not use output
streams.  Applications should not mix these approaches.
<p>
This error-logging enhancement does not slow performance or significantly
increase application size, and may be run during normal operation as well
as during application debugging.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>errorStream</CODE> - The application-specified OutputStream for error messages.</DL>
</DD>
</DL>
<HR>

<A NAME="getErrorStream()"><!-- --></A><H3>
getErrorStream</H3>
<PRE>
public <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</A> <B>getErrorStream</B>()</PRE>
<DL>
<DD>Return the an OutputStream for displaying error messages.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The an OutputStream for displaying error messages.</DL>
</DD>
</DL>
<HR>

<A NAME="setExclusiveCreate(boolean)"><!-- --></A><H3>
setExclusiveCreate</H3>
<PRE>
public void <B>setExclusiveCreate</B>(boolean&nbsp;exclusiveCreate)</PRE>
<DL>
<DD>Configure the <A HREF="../../../com/sleepycat/db/Environment.html#openDatabase(com.sleepycat.db.Transaction, java.lang.String, java.lang.String, com.sleepycat.db.DatabaseConfig)"><CODE>Environment.openDatabase</CODE></A> method to fail if
    the database already exists.
    <p>
    The exclusiveCreate mode is only meaningful if specified with the
    allowCreate mode.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>exclusiveCreate</CODE> - If true, configure the <A HREF="../../../com/sleepycat/db/Environment.html#openDatabase(com.sleepycat.db.Transaction, java.lang.String, java.lang.String, com.sleepycat.db.DatabaseConfig)"><CODE>Environment.openDatabase</CODE></A> method to
    fail if the database already exists.</DL>
</DD>
</DL>
<HR>

<A NAME="getExclusiveCreate()"><!-- --></A><H3>
getExclusiveCreate</H3>
<PRE>
public boolean <B>getExclusiveCreate</B>()</PRE>
<DL>
<DD>Return true if the <A HREF="../../../com/sleepycat/db/Environment.html#openDatabase(com.sleepycat.db.Transaction, java.lang.String, java.lang.String, com.sleepycat.db.DatabaseConfig)"><CODE>Environment.openDatabase</CODE></A> method is configured
    to fail if the database already exists.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>True if the <A HREF="../../../com/sleepycat/db/Environment.html#openDatabase(com.sleepycat.db.Transaction, java.lang.String, java.lang.String, com.sleepycat.db.DatabaseConfig)"><CODE>Environment.openDatabase</CODE></A> method is configured
    to fail if the database already exists.</DL>
</DD>
</DL>
<HR>

<A NAME="setFeedbackHandler(com.sleepycat.db.FeedbackHandler)"><!-- --></A><H3>
setFeedbackHandler</H3>
<PRE>
public void <B>setFeedbackHandler</B>(<A HREF="../../../com/sleepycat/db/FeedbackHandler.html" title="interface in com.sleepycat.db">FeedbackHandler</A>&nbsp;feedbackHandler)</PRE>
<DL>
<DD>Set an object whose methods are called to provide feedback.
<p>
Some operations performed by the Berkeley DB library can take
non-trivial amounts of time.  This method can be used by applications
to monitor progress within these operations.  When an operation is
likely to take a long time, Berkeley DB will call the object's methods
with progress information.
<p>
It is up to the object's methods to display this information in an
appropriate manner.
<p>
This method configures only operations performed using a single a
<A HREF="../../../com/sleepycat/db/Environment.html" title="class in com.sleepycat.db"><CODE>Environment</CODE></A> handle
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>feedbackHandler</CODE> - An object whose methods are called to provide feedback.</DL>
</DD>
</DL>
<HR>

<A NAME="getFeedbackHandler()"><!-- --></A><H3>
getFeedbackHandler</H3>
<PRE>
public <A HREF="../../../com/sleepycat/db/FeedbackHandler.html" title="interface in com.sleepycat.db">FeedbackHandler</A> <B>getFeedbackHandler</B>()</PRE>
<DL>
<DD>Return the object's methods to be called to provide feedback.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The object's methods to be called to provide feedback.</DL>
</DD>
</DL>
<HR>

<A NAME="setHashFillFactor(int)"><!-- --></A><H3>
setHashFillFactor</H3>
<PRE>
public void <B>setHashFillFactor</B>(int&nbsp;hashFillFactor)</PRE>
<DL>
<DD>Set the desired density within the hash table.
    <p>
    If no value is specified, the fill factor will be selected dynamically
    as pages are filled.
    <p>
    The density is an approximation of the number of keys allowed to
    accumulate in any one bucket, determining when the hash table grows or
    shrinks.  If you know the average sizes of the keys and data in your
    data set, setting the fill factor can enhance performance.  A reasonable
    rule computing fill factor is to set it to the following:
    <blockquote><pre>
        (pagesize - 32) / (average_key_size + average_data_size + 8)
    </pre></blockquote>
    <p>
    This method configures a database, not only operations performed using
the specified <A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handle.
    <p>
    This method may not be called after the database is opened.
If the database already exists when it is opened,
the information specified to this method will be ignored.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>hashFillFactor</CODE> - The desired density within the hash table.</DL>
</DD>
</DL>
<HR>

<A NAME="getHashFillFactor()"><!-- --></A><H3>
getHashFillFactor</H3>
<PRE>
public int <B>getHashFillFactor</B>()</PRE>
<DL>
<DD>Return the hash table density.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The hash table density.</DL>
</DD>
</DL>
<HR>

<A NAME="setHashComparator(java.util.Comparator)"><!-- --></A><H3>
setHashComparator</H3>
<PRE>
public void <B>setHashComparator</B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</A>&nbsp;hashComparator)</PRE>
<DL>
<DD>Set the Hash key comparison function. The comparison function is called
    whenever it is necessary to compare a key specified by the application with
    a key currently stored in the database.
    <p>
    If no comparison function is specified, a byte-by-byte comparison is
    performed.
    <p>
    The <code>compare</code> method is passed the byte arrays representing
    keys that are stored in the database. If you know how your data is
    organized in the byte array, then you can write a comparison routine that
    directly examines the contents of the arrays. Otherwise, you have to
    reconstruct your original objects, and then perform the comparison.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getHashComparator()"><!-- --></A><H3>
getHashComparator</H3>
<PRE>
public <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</A> <B>getHashComparator</B>()</PRE>
<DL>
<DD>Return the Comparator used to compare keys in a Hash database.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The Comparator used to compare keys in a Hash database.</DL>
</DD>
</DL>
<HR>

<A NAME="setHasher(com.sleepycat.db.Hasher)"><!-- --></A><H3>
setHasher</H3>
<PRE>
public void <B>setHasher</B>(<A HREF="../../../com/sleepycat/db/Hasher.html" title="interface in com.sleepycat.db">Hasher</A>&nbsp;hasher)</PRE>
<DL>
<DD>Set a database-specific hash function.
    <p>
    If no hash function is specified, a default hash function is used.
    Because no hash function performs equally well on all possible data,
    the user may find that the built-in hash function performs poorly
    with a particular data set.
    <p>
    This method configures operations performed using the specified
<A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> object, not all operations performed on the underlying
database.
    <p>
    This method may not be called after the database is opened.
If the database already exists when it is opened,
the information specified to this method must be the same as that
historically used to create the database or corruption can occur.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>hasher</CODE> - A database-specific hash function.</DL>
</DD>
</DL>
<HR>

<A NAME="getHasher()"><!-- --></A><H3>
getHasher</H3>
<PRE>
public <A HREF="../../../com/sleepycat/db/Hasher.html" title="interface in com.sleepycat.db">Hasher</A> <B>getHasher</B>()</PRE>
<DL>
<DD>Return the database-specific hash function.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The database-specific hash function.</DL>
</DD>
</DL>
<HR>

<A NAME="setHashNumElements(int)"><!-- --></A><H3>
setHashNumElements</H3>
<PRE>
public void <B>setHashNumElements</B>(int&nbsp;hashNumElements)</PRE>
<DL>
<DD>Set an estimate of the final size of the hash table.
    <p>
    In order for the estimate to be used when creating the database, the
    <A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setHashFillFactor(int)"><CODE>DatabaseConfig.setHashFillFactor</CODE></A> method must also be called.
    If the estimate or fill factor are not set or are set too low, hash
    tables will still expand gracefully as keys are entered, although a
    slight performance degradation may be noticed.
    <p>
    This method configures a database, not only operations performed using
the specified <A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handle.
    <p>
    This method may not be called after the database is opened.
If the database already exists when it is opened,
the information specified to this method will be ignored.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>hashNumElements</CODE> - An estimate of the final size of the hash table.</DL>
</DD>
</DL>
<HR>

<A NAME="getHashNumElements()"><!-- --></A><H3>
getHashNumElements</H3>
<PRE>
public int <B>getHashNumElements</B>()</PRE>
<DL>
<DD>Return the estimate of the final size of the hash table.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The estimate of the final size of the hash table.</DL>
</DD>
</DL>
<HR>

<A NAME="setHeapsize(long)"><!-- --></A><H3>
setHeapsize</H3>
<PRE>
public void <B>setHeapsize</B>(long&nbsp;bytes)</PRE>
<DL>
<DD>Set the maximum on-disk database file size used by a database configured to
    use the Heap access method. If this method is never called, the database's
    file size can grow without bound. If this method is called, then the heap
    file can never grow larger than the limit defined by this method. In that
    case, attempts to update or create records in a Heap database that has
    reached its maximum size will throw a <A HREF="../../../com/sleepycat/db/HeapFullException.html" title="class in com.sleepycat.db"><CODE>HeapFullException</CODE></A>.
    <p>
    The size specified to this method must be at least three times the database
    page size. That is, a Heap database must contain at least three database
    pages. You can set the database page size using <A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setPageSize(int)"><CODE>setPageSize(int)</CODE></A>.
    <p>
    This method may not be called after the database is opened. Further, if this
    method is called on an existing Heap database, the size specified here must
    match the size used to create the database. Note, however, that specifying
    an incorrect size to this method will not result in an error return until
    the database is opened. 
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>bytes</CODE> - The maximum on-disk database file size.</DL>
</DD>
</DL>
<HR>

<A NAME="getHeapsize()"><!-- --></A><H3>
getHeapsize</H3>
<PRE>
public long <B>getHeapsize</B>()</PRE>
<DL>
<DD>Return the maximum on-disk database file size.
    <p>
    This method may be called at any time during the life of the application.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The maximum on-disk database file size.</DL>
</DD>
</DL>
<HR>

<A NAME="setHeapRegionSize(int)"><!-- --></A><H3>
setHeapRegionSize</H3>
<PRE>
public void <B>setHeapRegionSize</B>(int&nbsp;npages)</PRE>
<DL>
<DD>Sets the number of pages in a region of a database configured to use
    the Heap access method. If this method is never called, the default region
    size for the database's page size will be used. You can set the database
    page size using <A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setPageSize(int)"><CODE>setPageSize(int)</CODE></A>.
    <p>
    This method may not be called after the database is opened. Further, if this
    method is called on an existing Heap database, the value specified here will
    be ignored. If the specified region size is larger than the maximum region
    size for the database's page size, an error will be returned when the
    database is opened. The maximum allowable region size will be included in
    the error message.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>npages</CODE> - The size of the region, in pages.</DL>
</DD>
</DL>
<HR>

<A NAME="getHeapRegionSize()"><!-- --></A><H3>
getHeapRegionSize</H3>
<PRE>
public long <B>getHeapRegionSize</B>()</PRE>
<DL>
<DD>Return the number of pages in a region of the database.
    <p>
    This method may be called at any time during the life of the application.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The size of the region, in pages.</DL>
</DD>
</DL>
<HR>

<A NAME="setMessageHandler(com.sleepycat.db.MessageHandler)"><!-- --></A><H3>
setMessageHandler</H3>
<PRE>
public void <B>setMessageHandler</B>(<A HREF="../../../com/sleepycat/db/MessageHandler.html" title="interface in com.sleepycat.db">MessageHandler</A>&nbsp;messageHandler)</PRE>
<DL>
<DD>Set a function to be called with an informational message.
<p>
There are interfaces in the Berkeley DB library which either directly
output informational messages or statistical information, or configure
the library to output such messages when performing other operations,
<A HREF="../../../com/sleepycat/db/EnvironmentConfig.html#setVerboseDeadlock(boolean)"><CODE>EnvironmentConfig.setVerboseDeadlock</CODE></A> for example.
<p>
The <A HREF="../../../com/sleepycat/db/EnvironmentConfig.html#setMessageHandler(com.sleepycat.db.MessageHandler)"><CODE>EnvironmentConfig.setMessageHandler</CODE></A> and
<A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setMessageHandler(com.sleepycat.db.MessageHandler)"><CODE>DatabaseConfig.setMessageHandler</CODE></A> methods are used to display
these messages for the application.
<p>
Setting messageHandler to null unconfigures the interface.
<p>
Alternatively, you can use <A HREF="../../../com/sleepycat/db/EnvironmentConfig.html#setMessageStream(java.io.OutputStream)"><CODE>EnvironmentConfig.setMessageStream</CODE></A>
and <A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setMessageStream(java.io.OutputStream)"><CODE>DatabaseConfig.setMessageStream</CODE></A> to send the additional
information directly to an output streams.  You should not mix these
approaches.
<p>
For <A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handles opened inside of database environments,
calling this method affects the entire environment and is equivalent to
calling <A HREF="../../../com/sleepycat/db/EnvironmentConfig.html#setMessageHandler(com.sleepycat.db.MessageHandler)"><CODE>EnvironmentConfig.setMessageHandler</CODE></A>.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>messageHandler</CODE> - The application-specified function for informational messages.</DL>
</DD>
</DL>
<HR>

<A NAME="getMessageHandler()"><!-- --></A><H3>
getMessageHandler</H3>
<PRE>
public <A HREF="../../../com/sleepycat/db/MessageHandler.html" title="interface in com.sleepycat.db">MessageHandler</A> <B>getMessageHandler</B>()</PRE>
<DL>
<DD>Return the function to be called with an informational message.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The function to be called with an informational message.</DL>
</DD>
</DL>
<HR>

<A NAME="setMessageStream(java.io.OutputStream)"><!-- --></A><H3>
setMessageStream</H3>
<PRE>
public void <B>setMessageStream</B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</A>&nbsp;messageStream)</PRE>
<DL>
<DD>Set an OutputStream for displaying informational messages.
<p>
There are interfaces in the Berkeley DB library which either directly
output informational messages or statistical information, or configure
the library to output such messages when performing other operations,
<A HREF="../../../com/sleepycat/db/EnvironmentConfig.html#setVerboseDeadlock(boolean)"><CODE>EnvironmentConfig.setVerboseDeadlock</CODE></A> for example.
<p>
The <A HREF="../../../com/sleepycat/db/EnvironmentConfig.html#setMessageStream(java.io.OutputStream)"><CODE>EnvironmentConfig.setMessageStream</CODE></A> and
<A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setMessageStream(java.io.OutputStream)"><CODE>DatabaseConfig.setMessageStream</CODE></A> methods are used to display
these messages for the application.  In this case, the message will
include a trailing newline character.
<p>
Setting messageStream to null unconfigures the interface.
<p>
Alternatively, you can use <A HREF="../../../com/sleepycat/db/EnvironmentConfig.html#setMessageHandler(com.sleepycat.db.MessageHandler)"><CODE>EnvironmentConfig.setMessageHandler</CODE></A>
and <A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setMessageHandler(com.sleepycat.db.MessageHandler)"><CODE>DatabaseConfig.setMessageHandler</CODE></A> to capture the additional
information in a way that does not use output streams.  You should not
mix these approaches.
<p>
For <A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handles opened inside of database environments,
calling this method affects the entire environment and is equivalent to
calling <A HREF="../../../com/sleepycat/db/EnvironmentConfig.html#setMessageStream(java.io.OutputStream)"><CODE>EnvironmentConfig.setMessageStream</CODE></A>.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>messageStream</CODE> - The application-specified OutputStream for informational messages.</DL>
</DD>
</DL>
<HR>

<A NAME="getMessageStream()"><!-- --></A><H3>
getMessageStream</H3>
<PRE>
public <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</A> <B>getMessageStream</B>()</PRE>
<DL>
<DD>Return the an OutputStream for displaying informational messages.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The an OutputStream for displaying informational messages.</DL>
</DD>
</DL>
<HR>

<A NAME="setMode(int)"><!-- --></A><H3>
setMode</H3>
<PRE>
public void <B>setMode</B>(int&nbsp;mode)</PRE>
<DL>
<DD>On UNIX systems or in IEEE/ANSI Std 1003.1 (POSIX) environments, files
    created by the database open are created with mode <code>mode</code>
    (as described in the <code>chmod</code>(2) manual page) and modified
    by the process' umask value at the time of creation (see the
    <code>umask</code>(2) manual page).  Created files are owned by the
    process owner; the group ownership of created files is based on the
    system and directory defaults, and is not further specified by Berkeley
    DB.  System shared memory segments created by the database open are
    created with mode <code>mode</code>, unmodified by the process' umask
    value.  If <code>mode</code> is 0, the database open will use a default
    mode of readable and writable by both owner and group.
    <p>
    On Windows systems, the mode parameter is ignored.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>mode</CODE> - the mode used to create files</DL>
</DD>
</DL>
<HR>

<A NAME="getMode()"><!-- --></A><H3>
getMode</H3>
<PRE>
public long <B>getMode</B>()</PRE>
<DL>
<DD>Return the mode used to create files.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The mode used to create files.</DL>
</DD>
</DL>
<HR>

<A NAME="setMultiversion(boolean)"><!-- --></A><H3>
setMultiversion</H3>
<PRE>
public void <B>setMultiversion</B>(boolean&nbsp;multiversion)</PRE>
<DL>
<DD>Configured the database with support for multiversion concurrency control.
    This will cause updates to the database to follow a copy-on-write
    protocol, which is required to support Snapshot Isolation.  See
    <A HREF="../../../com/sleepycat/db/TransactionConfig.html#setSnapshot(boolean)"><CODE>TransactionConfig.setSnapshot(boolean)</CODE></A>) for more information.
    Multiversion access requires that the database be opened
    in a transaction and is not supported for queue databases.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>multiversion</CODE> - If true, configure the database with support for multiversion concurrency
    control.</DL>
</DD>
</DL>
<HR>

<A NAME="getMultiversion()"><!-- --></A><H3>
getMultiversion</H3>
<PRE>
public boolean <B>getMultiversion</B>()</PRE>
<DL>
<DD>Return true if the database is configured for multiversion concurrency control.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>True if the database is configured for multiversion concurrency control.</DL>
</DD>
</DL>
<HR>

<A NAME="setNoMMap(boolean)"><!-- --></A><H3>
setNoMMap</H3>
<PRE>
public void <B>setNoMMap</B>(boolean&nbsp;noMMap)</PRE>
<DL>
<DD>Configure the library to not map this database into memory.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>noMMap</CODE> - If true, configure the library to not map this database into memory.</DL>
</DD>
</DL>
<HR>

<A NAME="getNoMMap()"><!-- --></A><H3>
getNoMMap</H3>
<PRE>
public boolean <B>getNoMMap</B>()</PRE>
<DL>
<DD>Return true if the library is configured to not map this database into
    memory.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>True if the library is configured to not map this database into
    memory.</DL>
</DD>
</DL>
<HR>

<A NAME="setNoWaitDbExclusiveLock(java.lang.Boolean)"><!-- --></A><H3>
setNoWaitDbExclusiveLock</H3>
<PRE>
public void <B>setNoWaitDbExclusiveLock</B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</A>&nbsp;noWaitDbExclLock)</PRE>
<DL>
<DD>Configure the <A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handle to obtain a 
write lock on the entire database.
<p>
This method may not be called after the database is opened.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>noWaitDbExclLock</CODE> - If True, configure the <A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handle to
obtain a write lock on the entire database. When the database is opened it will
immediately throw
<A HREF="../../../com/sleepycat/db/LockNotGrantedException.html" title="class in com.sleepycat.db"><CODE>LockNotGrantedException</CODE></A> if it
cannot obtain the exclusive lock immediately. If False, configure the
<A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handle to obtain a write lock on the
entire database. When the database is opened, it will block until it can obtain
the exclusive lock. If null, do not configure the
<A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handle to obtain a write lock on the
entire database.
<p>
Handles configured for a write lock on the entire database can only have one 
active transaction at a time.</DL>
</DD>
</DL>
<HR>

<A NAME="getNoWaitDbExclusiveLock()"><!-- --></A><H3>
getNoWaitDbExclusiveLock</H3>
<PRE>
public <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</A> <B>getNoWaitDbExclusiveLock</B>()</PRE>
<DL>
<DD>Return whether the <A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handle is
configured to obtain a write lock on the entire database.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>True if the <A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handle is configured for
immediate exclusive database locking. In this case, the locking operation will 
error out if it cannot immediately obtain an exclusive lock. False if the
<A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handle is configured for exclusive
database locking. In this case, it will block until it can obtain the exclusive 
database lock when database is opened. Null if the
<A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handle is not configured for
exclusive locking.</DL>
</DD>
</DL>
<HR>

<A NAME="setPageSize(int)"><!-- --></A><H3>
setPageSize</H3>
<PRE>
public void <B>setPageSize</B>(int&nbsp;pageSize)</PRE>
<DL>
<DD>Set the size of the pages used to hold items in the database, in bytes.
    <p>
    The minimum page size is 512 bytes, the maximum page size is 64K bytes,
    and the page size must be a power-of-two.  If the page size is not
    explicitly set, one is selected based on the underlying filesystem I/O
    block size.  The automatically selected size has a lower limit of 512
    bytes and an upper limit of 16K bytes.
    <p>
    This method configures a database, not only operations performed using
the specified <A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handle.
    <p>
    This method may not be called after the database is opened.
If the database already exists when it is opened,
the information specified to this method will be ignored.
    If creating additional databases in a file, the page size specified must
    be consistent with the existing databases in the file or an error will
    be returned.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>pageSize</CODE> - The size of the pages used to hold items in the database, in bytes.</DL>
</DD>
</DL>
<HR>

<A NAME="getPageSize()"><!-- --></A><H3>
getPageSize</H3>
<PRE>
public int <B>getPageSize</B>()</PRE>
<DL>
<DD>Return the size of the pages used to hold items in the database, in bytes.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The size of the pages used to hold items in the database, in bytes.</DL>
</DD>
</DL>
<HR>

<A NAME="setPanicHandler(com.sleepycat.db.PanicHandler)"><!-- --></A><H3>
setPanicHandler</H3>
<PRE>
public void <B>setPanicHandler</B>(<A HREF="../../../com/sleepycat/db/PanicHandler.html" title="interface in com.sleepycat.db">PanicHandler</A>&nbsp;panicHandler)</PRE>
<DL>
<DD>Set the function to be called if the database environment panics.
<p>
Errors can occur in the Berkeley DB library where the only solution is
to shut down the application and run recovery (for example, if Berkeley
DB is unable to allocate heap memory).  In such cases, the Berkeley DB
methods will throw a <A HREF="../../../com/sleepycat/db/RunRecoveryException.html" title="class in com.sleepycat.db"><CODE>RunRecoveryException</CODE></A>.  It is often easier
to simply exit the application when such errors occur rather than
gracefully return up the stack.  This method specifies a function to be
called when <A HREF="../../../com/sleepycat/db/RunRecoveryException.html" title="class in com.sleepycat.db"><CODE>RunRecoveryException</CODE></A> is about to be thrown from a
Berkeley DB method.
<p>
For <A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handles opened inside of database environments,
calling this method affects the entire environment and is equivalent to
calling <A HREF="../../../com/sleepycat/db/EnvironmentConfig.html#setPanicHandler(com.sleepycat.db.PanicHandler)"><CODE>EnvironmentConfig.setPanicHandler</CODE></A>.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>panicHandler</CODE> - The function to be called if the database environment panics.</DL>
</DD>
</DL>
<HR>

<A NAME="getPanicHandler()"><!-- --></A><H3>
getPanicHandler</H3>
<PRE>
public <A HREF="../../../com/sleepycat/db/PanicHandler.html" title="interface in com.sleepycat.db">PanicHandler</A> <B>getPanicHandler</B>()</PRE>
<DL>
<DD>Return the function to be called if the database environment panics.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The function to be called if the database environment panics.</DL>
</DD>
</DL>
<HR>

<A NAME="setPartitionByCallback(int, com.sleepycat.db.PartitionHandler)"><!-- --></A><H3>
setPartitionByCallback</H3>
<PRE>
public void <B>setPartitionByCallback</B>(int&nbsp;parts,
                                   <A HREF="../../../com/sleepycat/db/PartitionHandler.html" title="interface in com.sleepycat.db">PartitionHandler</A>&nbsp;partitionHandler)</PRE>
<DL>
<DD>Enable or disable database partitioning, and set the callback that will
be used for the partitioning.
<p>
This method may only be called before opening a database.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>parts</CODE> - The number of partitions that will be created.
<p><DD><CODE>partitionHandler</CODE> - The function to be called to determine which partition a key resides in.</DL>
</DD>
</DL>
<HR>

<A NAME="setPartitionByRange(int, com.sleepycat.db.MultipleDataEntry)"><!-- --></A><H3>
setPartitionByRange</H3>
<PRE>
public void <B>setPartitionByRange</B>(int&nbsp;parts,
                                <A HREF="../../../com/sleepycat/db/MultipleDataEntry.html" title="class in com.sleepycat.db">MultipleDataEntry</A>&nbsp;keys)</PRE>
<DL>
<DD>Enable or disable database partitioning, and set key ranges that will be
    used for the partitioning.
<p>
This method may only be called before opening a database.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>parts</CODE> - The number of partitions that will be created.
<p><DD><CODE>keys</CODE> - A MultipleDatabaseEntry that contains the boundary keys for partitioning.</DL>
</DD>
</DL>
<HR>

<A NAME="getPartitionHandler()"><!-- --></A><H3>
getPartitionHandler</H3>
<PRE>
public <A HREF="../../../com/sleepycat/db/PartitionHandler.html" title="interface in com.sleepycat.db">PartitionHandler</A> <B>getPartitionHandler</B>()</PRE>
<DL>
<DD>Return the function to be called to determine which partition a key resides in.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The function to be called to determine which partition a key resides in.</DL>
</DD>
</DL>
<HR>

<A NAME="getPartitionParts()"><!-- --></A><H3>
getPartitionParts</H3>
<PRE>
public int <B>getPartitionParts</B>()</PRE>
<DL>
<DD>Return the number of partitions the database is configured for.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The number of partitions the database is configured for.</DL>
</DD>
</DL>
<HR>

<A NAME="getPartitionKeys()"><!-- --></A><H3>
getPartitionKeys</H3>
<PRE>
public <A HREF="../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</A> <B>getPartitionKeys</B>()</PRE>
<DL>
<DD>Return the array of keys the database is configured to partition with.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The array of keys the database is configured to partition with.</DL>
</DD>
</DL>
<HR>

<A NAME="setPartitionDirs(java.io.File[])"><!-- --></A><H3>
setPartitionDirs</H3>
<PRE>
public void <B>setPartitionDirs</B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A>[]&nbsp;dirs)</PRE>
<DL>
<DD>Specify the array of directories the database extents should be created in or
looked for. If the number of directories is less than the number of partitions,
the directories will be used in a round robin fasion.
<p>
This method may only be called before the database is opened.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>dirs</CODE> - The array of directories the database extents should be created in or looked
for.</DL>
</DD>
</DL>
<HR>

<A NAME="getPartitionDirs()"><!-- --></A><H3>
getPartitionDirs</H3>
<PRE>
public <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A>[] <B>getPartitionDirs</B>()</PRE>
<DL>
<DD>Return the array of directories the database extents should be created in or
looked for. If the number of directories is less than the number of partitions,
the directories will be used in a round robin fasion.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The array of directories the database extents should be created in or looked
for.</DL>
</DD>
</DL>
<HR>

<A NAME="setPriority(com.sleepycat.db.CacheFilePriority)"><!-- --></A><H3>
setPriority</H3>
<PRE>
public void <B>setPriority</B>(<A HREF="../../../com/sleepycat/db/CacheFilePriority.html" title="class in com.sleepycat.db">CacheFilePriority</A>&nbsp;priority)</PRE>
<DL>
<DD>Set the cache priority for pages referenced by the DB handle.
    <p>
    The priority of a page biases the replacement algorithm to be more or less
    likely to discard a page when space is needed in the buffer pool. The bias
    is temporary, and pages will eventually be discarded if they are not
    referenced again. The priority setting is only advisory, and does not
    guarantee pages will be treated in a specific way.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>priority</CODE> - The desired cache priority.</DL>
</DD>
</DL>
<HR>

<A NAME="getPriority()"><!-- --></A><H3>
getPriority</H3>
<PRE>
public <A HREF="../../../com/sleepycat/db/CacheFilePriority.html" title="class in com.sleepycat.db">CacheFilePriority</A> <B>getPriority</B>()</PRE>
<DL>
<DD>Return the the cache priority for pages referenced by this handle.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The the cache priority for pages referenced by this handle.</DL>
</DD>
</DL>
<HR>

<A NAME="setQueueExtentSize(int)"><!-- --></A><H3>
setQueueExtentSize</H3>
<PRE>
public void <B>setQueueExtentSize</B>(int&nbsp;queueExtentSize)</PRE>
<DL>
<DD>Set the size of the extents used to hold pages in a Queue database,
    specified as a number of pages.
    <p>
    Each extent is created as a separate physical file.  If no extent
    size is set, the default behavior is to create only a single
    underlying database file.
    <p>
    This method configures a database, not only operations performed using
the specified <A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handle.
    <p>
    This method may not be called after the database is opened.
If the database already exists when it is opened,
the information specified to this method will be ignored.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>queueExtentSize</CODE> - The number of pages in a Queue database extent.</DL>
</DD>
</DL>
<HR>

<A NAME="getQueueExtentSize()"><!-- --></A><H3>
getQueueExtentSize</H3>
<PRE>
public int <B>getQueueExtentSize</B>()</PRE>
<DL>
<DD>Return the size of the extents used to hold pages in a Queue database,
    specified as a number of pages.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The size of the extents used to hold pages in a Queue database,
    specified as a number of pages.</DL>
</DD>
</DL>
<HR>

<A NAME="setQueueInOrder(boolean)"><!-- --></A><H3>
setQueueInOrder</H3>
<PRE>
public void <B>setQueueInOrder</B>(boolean&nbsp;queueInOrder)</PRE>
<DL>
<DD>Configure <A HREF="../../../com/sleepycat/db/Database.html#consume(com.sleepycat.db.Transaction, com.sleepycat.db.DatabaseEntry, com.sleepycat.db.DatabaseEntry, boolean)"><CODE>Database.consume</CODE></A> to return key/data pairs in
    order, always returning the key/data item from the head of the
    queue.
    <p>
    The default behavior of queue databases is optimized for multiple
    readers, and does not guarantee that record will be retrieved in the
    order they are added to the queue.  Specifically, if a writing
    thread adds multiple records to an empty queue, reading threads may
    skip some of the initial records when the next call to retrieve a
    key/data pair returns.
    <p>
    This flag configures the <A HREF="../../../com/sleepycat/db/Database.html#consume(com.sleepycat.db.Transaction, com.sleepycat.db.DatabaseEntry, com.sleepycat.db.DatabaseEntry, boolean)"><CODE>Database.consume</CODE></A> method to verify
    that the record being returned is in fact the head of the queue.
    This will increase contention and reduce concurrency when there are
    many reading threads.
    <p>
    Calling this method only affects the specified <A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handle
(and any other library handles opened within the scope of that handle).
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>queueInOrder</CODE> - If true, configure the <A HREF="../../../com/sleepycat/db/Database.html#consume(com.sleepycat.db.Transaction, com.sleepycat.db.DatabaseEntry, com.sleepycat.db.DatabaseEntry, boolean)"><CODE>Database.consume</CODE></A> method to return
    key/data pairs in order, always returning the key/data item from the
    head of the queue.
    A value of false is illegal to this method, that is, once set, the
configuration cannot be cleared.</DL>
</DD>
</DL>
<HR>

<A NAME="getQueueInOrder()"><!-- --></A><H3>
getQueueInOrder</H3>
<PRE>
public boolean <B>getQueueInOrder</B>()</PRE>
<DL>
<DD>Return true if the <A HREF="../../../com/sleepycat/db/Database.html#consume(com.sleepycat.db.Transaction, com.sleepycat.db.DatabaseEntry, com.sleepycat.db.DatabaseEntry, boolean)"><CODE>Database.consume</CODE></A> method is configured to return
    key/data pairs in order, always returning the key/data item from the
    head of the queue.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>True if the <A HREF="../../../com/sleepycat/db/Database.html#consume(com.sleepycat.db.Transaction, com.sleepycat.db.DatabaseEntry, com.sleepycat.db.DatabaseEntry, boolean)"><CODE>Database.consume</CODE></A> method is configured to return
    key/data pairs in order, always returning the key/data item from the
    head of the queue.</DL>
</DD>
</DL>
<HR>

<A NAME="setReadOnly(boolean)"><!-- --></A><H3>
setReadOnly</H3>
<PRE>
public void <B>setReadOnly</B>(boolean&nbsp;readOnly)</PRE>
<DL>
<DD>Configure the database in read-only mode.
    <p>
    Any attempt to modify items in the database will fail, regardless
    of the actual permissions of any underlying files.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>readOnly</CODE> - If true, configure the database in read-only mode.</DL>
</DD>
</DL>
<HR>

<A NAME="getReadOnly()"><!-- --></A><H3>
getReadOnly</H3>
<PRE>
public boolean <B>getReadOnly</B>()</PRE>
<DL>
<DD>Return true if the database is configured in read-only mode.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>True if the database is configured in read-only mode.</DL>
</DD>
</DL>
<HR>

<A NAME="setRecordNumberAppender(com.sleepycat.db.RecordNumberAppender)"><!-- --></A><H3>
setRecordNumberAppender</H3>
<PRE>
public void <B>setRecordNumberAppender</B>(<A HREF="../../../com/sleepycat/db/RecordNumberAppender.html" title="interface in com.sleepycat.db">RecordNumberAppender</A>&nbsp;recnoAppender)</PRE>
<DL>
<DD>Configure <A HREF="../../../com/sleepycat/db/Database.html#append(com.sleepycat.db.Transaction, com.sleepycat.db.DatabaseEntry, com.sleepycat.db.DatabaseEntry)"><CODE>Database.append</CODE></A> to call the function after the
    record number has been selected but before the data has been stored
    into the database.
    <p>
    This method configures operations performed using the specified
<A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> object, not all operations performed on the underlying
database.
    <p>
    This method may not be called after the database is opened.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>recnoAppender</CODE> - The function to call after the record number has been selected but
    before the data has been stored into the database.</DL>
</DD>
</DL>
<HR>

<A NAME="getRecordNumberAppender()"><!-- --></A><H3>
getRecordNumberAppender</H3>
<PRE>
public <A HREF="../../../com/sleepycat/db/RecordNumberAppender.html" title="interface in com.sleepycat.db">RecordNumberAppender</A> <B>getRecordNumberAppender</B>()</PRE>
<DL>
<DD>Return the function to call after the record number has been
    selected but before the data has been stored into the database.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The function to call after the record number has been
    selected but before the data has been stored into the database.</DL>
</DD>
</DL>
<HR>

<A NAME="setRecordDelimiter(int)"><!-- --></A><H3>
setRecordDelimiter</H3>
<PRE>
public void <B>setRecordDelimiter</B>(int&nbsp;recordDelimiter)</PRE>
<DL>
<DD>Set the delimiting byte used to mark the end of a record in the backing
    source file for the Recno access method.
    <p>
    This byte is used for variable length records if a backing source
    file is specified.  If a backing source file is specified and no
    delimiting byte was specified, newline characters (that is, ASCII
    0x0a) are interpreted as end-of-record markers.
    <p>
    This method configures a database, not only operations performed using
the specified <A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handle.
    <p>
    This method may not be called after the database is opened.
If the database already exists when it is opened,
the information specified to this method will be ignored.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>recordDelimiter</CODE> - The delimiting byte used to mark the end of a record in the backing
    source file for the Recno access method.</DL>
</DD>
</DL>
<HR>

<A NAME="getRecordDelimiter()"><!-- --></A><H3>
getRecordDelimiter</H3>
<PRE>
public int <B>getRecordDelimiter</B>()</PRE>
<DL>
<DD>Return the delimiting byte used to mark the end of a record in the
    backing source file for the Recno access method.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The delimiting byte used to mark the end of a record in the
    backing source file for the Recno access method.</DL>
</DD>
</DL>
<HR>

<A NAME="setRecordLength(int)"><!-- --></A><H3>
setRecordLength</H3>
<PRE>
public void <B>setRecordLength</B>(int&nbsp;recordLength)</PRE>
<DL>
<DD>Specify the database record length, in bytes.
    <p>
    For the Queue access method, specify the record length.  For the
    Queue access method, the record length must be enough smaller than
    the database's page size that at least one record plus the database
    page's metadata information can fit on each database page.
    <p>
    For the Recno access method, specify the records are fixed-length,
    not byte-delimited, and the record length.
    <p>
    Any records added to the database that are less than the specified
    length are automatically padded (see
    <A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setRecordPad(int)"><CODE>DatabaseConfig.setRecordPad</CODE></A> for more information).
    <p>
    Any attempt to insert records into the database that are greater
    than the specified length will cause the call to fail.
    <p>
    This method configures a database, not only operations performed using
the specified <A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handle.
    <p>
    This method may not be called after the database is opened.
If the database already exists when it is opened,
the information specified to this method will be ignored.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>recordLength</CODE> - The database record length, in bytes.</DL>
</DD>
</DL>
<HR>

<A NAME="getRecordLength()"><!-- --></A><H3>
getRecordLength</H3>
<PRE>
public int <B>getRecordLength</B>()</PRE>
<DL>
<DD>Return the database record length, in bytes.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The database record length, in bytes.</DL>
</DD>
</DL>
<HR>

<A NAME="setBtreeRecordNumbers(boolean)"><!-- --></A><H3>
setBtreeRecordNumbers</H3>
<PRE>
public void <B>setBtreeRecordNumbers</B>(boolean&nbsp;btreeRecordNumbers)</PRE>
<DL>
<DD>Configure the Btree to support retrieval by record number.
    <p>
    Logical record numbers in Btree databases are mutable in the face of
    record insertion or deletion.
    <p>
    Maintaining record counts within a Btree introduces a serious point
    of contention, namely the page locations where the record counts are
    stored.  In addition, the entire database must be locked during both
    insertions and deletions, effectively single-threading the database
    for those operations.  Configuring a Btree for retrieval by record
    number can result in serious performance degradation for some
    applications and data sets.
    <p>
    Retrieval by record number may not be configured for a Btree that also
    supports duplicate data items.
    <p>
    Calling this method affects the database, including all threads of
control accessing the database.
    <p>
    If the database already exists when the database is opened, any database
configuration specified by this method
must be the same as the existing database or an error
will be returned.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>btreeRecordNumbers</CODE> - If true, configure the Btree to support retrieval by record number.
    A value of false is illegal to this method, that is, once set, the
configuration cannot be cleared.</DL>
</DD>
</DL>
<HR>

<A NAME="getBtreeRecordNumbers()"><!-- --></A><H3>
getBtreeRecordNumbers</H3>
<PRE>
public boolean <B>getBtreeRecordNumbers</B>()</PRE>
<DL>
<DD>Return true if the Btree is configured to support retrieval by record number.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>True if the Btree is configured to support retrieval by record number.</DL>
</DD>
</DL>
<HR>

<A NAME="setRecordPad(int)"><!-- --></A><H3>
setRecordPad</H3>
<PRE>
public void <B>setRecordPad</B>(int&nbsp;recordPad)</PRE>
<DL>
<DD>Set the padding character for short, fixed-length records for the Queue
    and Recno access methods.
    <p>
    If no pad character is specified, "space" characters (that is, ASCII
    0x20) are used for padding.
    <p>
    This method configures a database, not only operations performed using
the specified <A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handle.
    <p>
    This method may not be called after the database is opened.
If the database already exists when it is opened,
the information specified to this method will be ignored.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>recordPad</CODE> - The padding character for short, fixed-length records for the Queue
    and Recno access methods.</DL>
</DD>
</DL>
<HR>

<A NAME="getRecordPad()"><!-- --></A><H3>
getRecordPad</H3>
<PRE>
public int <B>getRecordPad</B>()</PRE>
<DL>
<DD>Return the padding character for short, fixed-length records for the
    Queue and Recno access methods.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The padding character for short, fixed-length records for the
    Queue and Recno access methods.</DL>
</DD>
</DL>
<HR>

<A NAME="setRecordSource(java.io.File)"><!-- --></A><H3>
setRecordSource</H3>
<PRE>
public void <B>setRecordSource</B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A>&nbsp;recordSource)</PRE>
<DL>
<DD>Set the underlying source file for the Recno access method.
    <p>
    The purpose of the source file is to provide fast access and
    modification to databases that are normally stored as flat text
    files.
    <p>
    The recordSource parameter specifies an underlying flat text
    database file that is read to initialize a transient record number
    index.  In the case of variable length records, the records are
    separated, as specified by the
    <A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setRecordDelimiter(int)"><CODE>DatabaseConfig.setRecordDelimiter</CODE></A> method.  For example,
    standard UNIX byte stream files can be interpreted as a sequence of
    variable length records separated by newline characters (that is, ASCII
    0x0a).
    <p>
    In addition, when cached data would normally be written back to the
    underlying database file (for example, the <A HREF="../../../com/sleepycat/db/Database.html#close(boolean)"><CODE>Database.close</CODE></A>
    or <A HREF="../../../com/sleepycat/db/Database.html#sync()"><CODE>Database.sync</CODE></A> methods are called), the in-memory copy
    of the database will be written back to the source file.
    <p>
    By default, the backing source file is read lazily; that is, records
    are not read from the file until they are requested by the application.
    <b>
    If multiple processes (not threads) are accessing a Recno database
    concurrently, and are either inserting or deleting records, the backing
    source file must be read in its entirety before more than a single
    process accesses the database, and only that process should specify
    the backing source file as part of opening the database.  See the
    <A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setSnapshot(boolean)"><CODE>DatabaseConfig.setSnapshot</CODE></A> method for more information.
    </b>
    <p>
    <b>
    Reading and writing the backing source file cannot be
    transaction-protected because it involves filesystem operations that
    are not part of the <A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> transaction methodology.  For
    this reason, if a temporary database is used to hold the records,
    it is possible to lose the contents of the source file, for example,
    if the system crashes at the right instant.  If a file is used to
    hold the database, normal database recovery on that file can be used
    to prevent information loss, although it is still possible that the
    contents of the source file will be lost if the system crashes.
    </b>
    <p>
    The source file must already exist (but may be zero-length) when
    the database is opened.
    <p>
    It is not an error to specify a read-only source file when creating
    a database, nor is it an error to modify the resulting database.
    However, any attempt to write the changes to the backing source file
    using either the <A HREF="../../../com/sleepycat/db/Database.html#sync()"><CODE>Database.sync</CODE></A> or <A HREF="../../../com/sleepycat/db/Database.html#close(boolean)"><CODE>Database.close</CODE></A>
    methods will fail, of course.  Specify the noSync argument to the
    <A HREF="../../../com/sleepycat/db/Database.html#close(boolean)"><CODE>Database.close</CODE></A> method to stop it from attempting to write
    the changes to the backing file; instead, they will be silently
    discarded.
    <p>
    For all of the previous reasons, the source file is generally used
    to specify databases that are read-only for Berkeley DB
    applications; and that are either generated on the fly by software
    tools or modified using a different mechanism -- for example, a text
    editor.
    <p>
    This method configures operations performed using the specified
<A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> object, not all operations performed on the underlying
database.
    <p>
    This method may not be called after the database is opened.
If the database already exists when it is opened,
the information specified to this method must be the same as that
historically used to create the database or corruption can occur.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>recordSource</CODE> - The name of an underlying flat text database file that is read to
    initialize a transient record number index.  In the case of variable
    length records, the records are separated, as specified by the
    <A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setRecordDelimiter(int)"><CODE>DatabaseConfig.setRecordDelimiter</CODE></A> method.  For example,
    standard UNIX byte stream files can be interpreted as a sequence of
   variable length records separated by newline characters (that is, ASCII
    0x0a).</DL>
</DD>
</DL>
<HR>

<A NAME="getRecordSource()"><!-- --></A><H3>
getRecordSource</H3>
<PRE>
public <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> <B>getRecordSource</B>()</PRE>
<DL>
<DD>Return the name of an underlying flat text database file that is
    read to initialize a transient record number index.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The name of an underlying flat text database file that is
    read to initialize a transient record number index.</DL>
</DD>
</DL>
<HR>

<A NAME="setRenumbering(boolean)"><!-- --></A><H3>
setRenumbering</H3>
<PRE>
public void <B>setRenumbering</B>(boolean&nbsp;renumbering)</PRE>
<DL>
<DD>Configure the logical record numbers to be mutable, and change as
    records are added to and deleted from the database.
    <p>
    For example, the deletion of record number 4 causes records numbered
    5 and greater to be renumbered downward by one.  If a cursor was
    positioned to record number 4 before the deletion, it will refer to
    the new record number 4, if any such record exists, after the
    deletion.  If a cursor was positioned after record number 4 before
    the deletion, it will be shifted downward one logical record,
    continuing to refer to the same record as it did before.
    <p>
    Creating new records will cause the creation of multiple records if
    the record number is more than one greater than the largest record
    currently in the database.  For example, creating record 28, when
    record 25 was previously the last record in the database, will
    create records 26 and 27 as well as 28.  Attempts to retrieve
    records that were created in this manner will result in an error
    return of <A HREF="../../../com/sleepycat/db/OperationStatus.html#KEYEMPTY"><CODE>OperationStatus.KEYEMPTY</CODE></A>.
    <p>
    If a created record is not at the end of the database, all records
    following the new record will be automatically renumbered upward by one.
    For example, the creation of a new record numbered 8 causes records
    numbered 8 and greater to be renumbered upward by one.  If a cursor was
    positioned to record number 8 or greater before the insertion, it will
    be shifted upward one logical record, continuing to refer to the same
    record as it did before.
    <p>
    For these reasons, concurrent access to a Recno database configured
    with mutable record numbers may be largely meaningless, although it
    is supported.
    <p>
    Calling this method affects the database, including all threads of
control accessing the database.
    <p>
    If the database already exists when the database is opened, any database
configuration specified by this method
must be the same as the existing database or an error
will be returned.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>renumbering</CODE> - If true, configure the logical record numbers to be mutable, and
    change as records are added to and deleted from the database.
    A value of false is illegal to this method, that is, once set, the
configuration cannot be cleared.</DL>
</DD>
</DL>
<HR>

<A NAME="getRenumbering()"><!-- --></A><H3>
getRenumbering</H3>
<PRE>
public boolean <B>getRenumbering</B>()</PRE>
<DL>
<DD>Return true if the logical record numbers are mutable, and change as
    records are added to and deleted from the database.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>True if the logical record numbers are mutable, and change as
    records are added to and deleted from the database.</DL>
</DD>
</DL>
<HR>

<A NAME="setReverseSplitOff(boolean)"><!-- --></A><H3>
setReverseSplitOff</H3>
<PRE>
public void <B>setReverseSplitOff</B>(boolean&nbsp;reverseSplitOff)</PRE>
<DL>
<DD>Configure the Btree to not do reverse splits.
    <p>
    As pages are emptied in a database, the Btree implementation
    attempts to coalesce empty pages into higher-level pages in order
    to keep the database as small as possible and minimize search time.
    This can hurt performance in applications with cyclical data
    demands; that is, applications where the database grows and shrinks
    repeatedly.  For example, because Berkeley DB does page-level locking,
    the maximum level of concurrency in a database of two pages is far
    smaller than that in a database of 100 pages, so a database that has
    shrunk to a minimal size can cause severe deadlocking when a new
    cycle of data insertion begins.
    <p>
    Calling this method only affects the specified <A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handle
(and any other library handles opened within the scope of that handle).
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>reverseSplitOff</CODE> - If true, configure the Btree to not do reverse splits.
    A value of false is illegal to this method, that is, once set, the
configuration cannot be cleared.</DL>
</DD>
</DL>
<HR>

<A NAME="getReverseSplitOff()"><!-- --></A><H3>
getReverseSplitOff</H3>
<PRE>
public boolean <B>getReverseSplitOff</B>()</PRE>
<DL>
<DD>Return true if the Btree has been configured to not do reverse splits.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>True if the Btree has been configured to not do reverse splits.</DL>
</DD>
</DL>
<HR>

<A NAME="setSortedDuplicates(boolean)"><!-- --></A><H3>
setSortedDuplicates</H3>
<PRE>
public void <B>setSortedDuplicates</B>(boolean&nbsp;sortedDuplicates)</PRE>
<DL>
<DD>Configure the database to support sorted, duplicate data items.
    <p>
    Insertion when the key of the key/data pair being inserted already
    exists in the database will be successful.  The ordering of
    duplicates in the database is determined by the duplicate comparison
    function.
    <p>
    If the application does not specify a duplicate data item comparison
    function, a default lexical comparison will be used.
    <p>
    If a primary database is to be associated with one or more secondary
    databases, it may not be configured for duplicates.
    <p>
    A Btree that supports duplicate data items cannot also be configured
    for retrieval by record number.
    <p>
    Calling this method affects the database, including all threads of
control accessing the database.
    <p>
    If the database already exists when the database is opened, any database
configuration specified by this method
must be the same as the existing database or an error
will be returned.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>sortedDuplicates</CODE> - If true, configure the database to support duplicate data items.
    A value of false is illegal to this method, that is, once set, the
configuration cannot be cleared.</DL>
</DD>
</DL>
<HR>

<A NAME="getSortedDuplicates()"><!-- --></A><H3>
getSortedDuplicates</H3>
<PRE>
public boolean <B>getSortedDuplicates</B>()</PRE>
<DL>
<DD>Return true if the database is configured to support sorted duplicate data
    items.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>True if the database is configured to support sorted duplicate data
    items.</DL>
</DD>
</DL>
<HR>

<A NAME="setUnsortedDuplicates(boolean)"><!-- --></A><H3>
setUnsortedDuplicates</H3>
<PRE>
public void <B>setUnsortedDuplicates</B>(boolean&nbsp;unsortedDuplicates)</PRE>
<DL>
<DD>Configure the database to support unsorted duplicate data items.
    <p>
    Insertion when the key of the key/data pair being inserted already
    exists in the database will be successful.  The ordering of
    duplicates in the database is determined by the order of insertion,
    unless the ordering is otherwise specified by use of a database
    cursor operation.
    <p>
    If a primary database is to be associated with one or more secondary
    databases, it may not be configured for duplicates.
    <p>
    Sorted duplicates are preferred to unsorted duplicates for
    performance reasons.  Unsorted duplicates should only be used by
    applications wanting to order duplicate data items manually.
    <p>
    Calling this method affects the database, including all threads of
control accessing the database.
    <p>
    If the database already exists when the database is opened, any database
configuration specified by this method
must be the same as the existing database or an error
will be returned.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>unsortedDuplicates</CODE> - If true, configure the database to support unsorted duplicate data items.
    A value of false is illegal to this method, that is, once set, the
configuration cannot be cleared.</DL>
</DD>
</DL>
<HR>

<A NAME="getUnsortedDuplicates()"><!-- --></A><H3>
getUnsortedDuplicates</H3>
<PRE>
public boolean <B>getUnsortedDuplicates</B>()</PRE>
<DL>
<DD>Return true if the database is configured to support duplicate data items.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>True if the database is configured to support duplicate data items.</DL>
</DD>
</DL>
<HR>

<A NAME="setSnapshot(boolean)"><!-- --></A><H3>
setSnapshot</H3>
<PRE>
public void <B>setSnapshot</B>(boolean&nbsp;snapshot)</PRE>
<DL>
<DD>Specify that any specified backing source file be read in its entirety
    when the database is opened.
    <p>
    If this flag is not specified, the backing source file may be read
    lazily.
    <p>
    Calling this method only affects the specified <A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handle
(and any other library handles opened within the scope of that handle).
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>snapshot</CODE> - If true, any specified backing source file will be read in its entirety
    when the database is opened.
    A value of false is illegal to this method, that is, once set, the
configuration cannot be cleared.</DL>
</DD>
</DL>
<HR>

<A NAME="getSnapshot()"><!-- --></A><H3>
getSnapshot</H3>
<PRE>
public boolean <B>getSnapshot</B>()</PRE>
<DL>
<DD>Return true if the any specified backing source file will be read in its
    entirety when the database is opened.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>True if the any specified backing source file will be read in its
    entirety when the database is opened.</DL>
</DD>
</DL>
<HR>

<A NAME="getTransactional()"><!-- --></A><H3>
getTransactional</H3>
<PRE>
public boolean <B>getTransactional</B>()</PRE>
<DL>
<DD>Return true if the database open is enclosed within a transaction.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>True if the database open is enclosed within a transaction.</DL>
</DD>
</DL>
<HR>

<A NAME="setTransactional(boolean)"><!-- --></A><H3>
setTransactional</H3>
<PRE>
public void <B>setTransactional</B>(boolean&nbsp;transactional)</PRE>
<DL>
<DD>Enclose the database open within a transaction.
    <p>
    If the call succeeds, the open operation will be recoverable.  If
    the call fails, no database will have been created.
    <p>
    All future operations on this database, which are not explicitly
    enclosed in a transaction by the application, will be enclosed in
    in a transaction within the library.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>transactional</CODE> - If true, enclose the database open within a transaction.</DL>
</DD>
</DL>
<HR>

<A NAME="setTransactionNotDurable(boolean)"><!-- --></A><H3>
setTransactionNotDurable</H3>
<PRE>
public void <B>setTransactionNotDurable</B>(boolean&nbsp;transactionNotDurable)</PRE>
<DL>
<DD>Configure the database environment to not write log records for this
    database.
    <p>
    This means that updates of this database exhibit the ACI (atomicity,
    consistency, and isolation) properties, but not D (durability); that
    is, database integrity will be maintained, but if the application
    or system fails, integrity will not persist.  The database file must
    be verified and/or restored from backup after a failure.  In order
    to ensure integrity after application shut down, the database
    must be flushed to disk before the database handles are closed,
    or all
    database changes must be flushed from the database environment cache
    using <A HREF="../../../com/sleepycat/db/Environment.html#checkpoint(com.sleepycat.db.CheckpointConfig)"><CODE>Environment.checkpoint</CODE></A>.
    <p>
    All database handles for a single physical file must call this method,
    including database handles for different databases in a physical file.
    <p>
    Calling this method only affects the specified <A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> handle
(and any other library handles opened within the scope of that handle).
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>transactionNotDurable</CODE> - If true, configure the database environment to not write log records
    for this database.
    A value of false is illegal to this method, that is, once set, the
configuration cannot be cleared.</DL>
</DD>
</DL>
<HR>

<A NAME="getTransactionNotDurable()"><!-- --></A><H3>
getTransactionNotDurable</H3>
<PRE>
public boolean <B>getTransactionNotDurable</B>()</PRE>
<DL>
<DD>Return true if the database environment is configured to not write log
    records for this database.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>True if the database environment is configured to not write log
    records for this database.</DL>
</DD>
</DL>
<HR>

<A NAME="setTruncate(boolean)"><!-- --></A><H3>
setTruncate</H3>
<PRE>
public void <B>setTruncate</B>(boolean&nbsp;truncate)</PRE>
<DL>
<DD>Configure the database to be physically truncated by truncating the
    underlying file, discarding all previous databases it might have
    held.
    <p>
    Underlying filesystem primitives are used to implement this
    configuration.  For this reason, it is applicable only to a physical
    file and cannot be used to discard databases within a file.
    <p>
    This configuration option cannot be lock or transaction-protected, and
    it is an error to specify it in a locking or transaction-protected
    database environment.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>truncate</CODE> - If true, configure the database to be physically truncated by truncating
    the underlying file, discarding all previous databases it might have
    held.</DL>
</DD>
</DL>
<HR>

<A NAME="getTruncate()"><!-- --></A><H3>
getTruncate</H3>
<PRE>
public boolean <B>getTruncate</B>()</PRE>
<DL>
<DD>Return true if the database has been configured to be physically truncated
    by truncating the underlying file, discarding all previous databases
    it might have held.
<p>
This method may be called at any time during the life of the application.
<p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>True if the database has been configured to be physically truncated
    by truncating the underlying file, discarding all previous databases
    it might have held.</DL>
</DD>
</DL>
<HR>

<A NAME="setType(com.sleepycat.db.DatabaseType)"><!-- --></A><H3>
setType</H3>
<PRE>
public void <B>setType</B>(<A HREF="../../../com/sleepycat/db/DatabaseType.html" title="class in com.sleepycat.db">DatabaseType</A>&nbsp;type)</PRE>
<DL>
<DD>Configure the type of the database.
    <p>
    If they type is DB_UNKNOWN, the database must already exist.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>type</CODE> - The type of the database.</DL>
</DD>
</DL>
<HR>

<A NAME="getType()"><!-- --></A><H3>
getType</H3>
<PRE>
public <A HREF="../../../com/sleepycat/db/DatabaseType.html" title="class in com.sleepycat.db">DatabaseType</A> <B>getType</B>()</PRE>
<DL>
<DD>Return the type of the database.
    <p>
    This method may be used to determine the type of the database after
    opening it.
    <p>
    This method may not be called before the
database has been opened.
    <p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The type of the database.</DL>
</DD>
</DL>
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