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TupleSerialKeyCreator (Sleepycat Software, Inc. - Berkeley DB Java API)
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com.sleepycat.bind.serial</FONT>
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Class TupleSerialKeyCreator</H2>
<PRE>
<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html" title="class or interface in java.lang">java.lang.Object</A>
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><B>com.sleepycat.bind.serial.TupleSerialKeyCreator</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../com/sleepycat/db/SecondaryKeyCreator.html" title="interface in com.sleepycat.db">SecondaryKeyCreator</A></DD>
</DL>
<DL>
<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../com/sleepycat/bind/serial/TupleSerialMarshalledKeyCreator.html" title="class in com.sleepycat.bind.serial">TupleSerialMarshalledKeyCreator</A></DD>
</DL>
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<DT>public abstract class <B>TupleSerialKeyCreator</B><DT>extends <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A><DT>implements <A HREF="../../../../com/sleepycat/db/SecondaryKeyCreator.html" title="interface in com.sleepycat.db">SecondaryKeyCreator</A></DL>
<P>
A abstract key creator that uses a tuple key and a serial data entry. This
class takes care of serializing and deserializing the data entry, and
converting the key entry to/from <A HREF="../../../../com/sleepycat/bind/tuple/TupleInput.html" title="class in com.sleepycat.bind.tuple"><CODE>TupleInput</CODE></A> and <A HREF="../../../../com/sleepycat/bind/tuple/TupleOutput.html" title="class in com.sleepycat.bind.tuple"><CODE>TupleOutput</CODE></A>
objects.
The following abstract method must be implemented by a concrete subclass
to create the index key using these objects
<ul>
<li> <A HREF="../../../../com/sleepycat/bind/serial/TupleSerialKeyCreator.html#createSecondaryKey(com.sleepycat.bind.tuple.TupleInput, java.lang.Object, com.sleepycat.bind.tuple.TupleOutput)"><CODE>createSecondaryKey(TupleInput,Object,TupleOutput)</CODE></A> </li>
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<TD><CODE><B><A HREF="../../../../com/sleepycat/bind/serial/TupleSerialKeyCreator.html#TupleSerialKeyCreator(com.sleepycat.bind.serial.ClassCatalog, java.lang.Class)">TupleSerialKeyCreator</A></B>(<A HREF="../../../../com/sleepycat/bind/serial/ClassCatalog.html" title="interface in com.sleepycat.bind.serial">ClassCatalog</A> classCatalog,
<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Class.html" title="class or interface in java.lang">Class</A> dataClass)</CODE>
<BR>
Creates a tuple-serial key creator.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../com/sleepycat/bind/serial/TupleSerialKeyCreator.html#TupleSerialKeyCreator(com.sleepycat.bind.serial.SerialBinding)">TupleSerialKeyCreator</A></B>(<A HREF="../../../../com/sleepycat/bind/serial/SerialBinding.html" title="class in com.sleepycat.bind.serial">SerialBinding</A> dataBinding)</CODE>
<BR>
Creates a tuple-serial key creator.</TD>
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<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/sleepycat/bind/serial/TupleSerialKeyCreator.html#createSecondaryKey(com.sleepycat.db.SecondaryDatabase, com.sleepycat.db.DatabaseEntry, com.sleepycat.db.DatabaseEntry, com.sleepycat.db.DatabaseEntry)">createSecondaryKey</A></B>(<A HREF="../../../../com/sleepycat/db/SecondaryDatabase.html" title="class in com.sleepycat.db">SecondaryDatabase</A> db,
<A HREF="../../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</A> primaryKeyEntry,
<A HREF="../../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</A> dataEntry,
<A HREF="../../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</A> indexKeyEntry)</CODE>
<BR>
Creates a secondary key entry, given a primary key and data entry.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>abstract boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/sleepycat/bind/serial/TupleSerialKeyCreator.html#createSecondaryKey(com.sleepycat.bind.tuple.TupleInput, java.lang.Object, com.sleepycat.bind.tuple.TupleOutput)">createSecondaryKey</A></B>(<A HREF="../../../../com/sleepycat/bind/tuple/TupleInput.html" title="class in com.sleepycat.bind.tuple">TupleInput</A> primaryKeyInput,
<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> dataInput,
<A HREF="../../../../com/sleepycat/bind/tuple/TupleOutput.html" title="class in com.sleepycat.bind.tuple">TupleOutput</A> indexKeyOutput)</CODE>
<BR>
Creates the index key entry from primary key tuple entry and
deserialized data entry.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/sleepycat/bind/serial/TupleSerialKeyCreator.html#nullifyForeignKey(java.lang.Object)">nullifyForeignKey</A></B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> data)</CODE>
<BR>
Clears the index key in the deserialized data entry.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/sleepycat/bind/serial/TupleSerialKeyCreator.html#nullifyForeignKey(com.sleepycat.db.SecondaryDatabase, com.sleepycat.db.DatabaseEntry)">nullifyForeignKey</A></B>(<A HREF="../../../../com/sleepycat/db/SecondaryDatabase.html" title="class in com.sleepycat.db">SecondaryDatabase</A> db,
<A HREF="../../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</A> dataEntry)</CODE>
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<TD><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></B></TD>
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<B>Constructor Detail</B></FONT></TD>
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<A NAME="TupleSerialKeyCreator(com.sleepycat.bind.serial.ClassCatalog, java.lang.Class)"><!-- --></A><H3>
TupleSerialKeyCreator</H3>
<PRE>
public <B>TupleSerialKeyCreator</B>(<A HREF="../../../../com/sleepycat/bind/serial/ClassCatalog.html" title="interface in com.sleepycat.bind.serial">ClassCatalog</A> classCatalog,
<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Class.html" title="class or interface in java.lang">Class</A> dataClass)</PRE>
<DL>
<DD>Creates a tuple-serial key creator.
<P>
<DT><B>Parameters:</B><DD><CODE>classCatalog</CODE> - is the catalog to hold shared class information and
for a database should be a <A HREF="../../../../com/sleepycat/bind/serial/StoredClassCatalog.html" title="class in com.sleepycat.bind.serial"><CODE>StoredClassCatalog</CODE></A>.<DD><CODE>dataClass</CODE> - is the data base class.</DL>
<HR>
<A NAME="TupleSerialKeyCreator(com.sleepycat.bind.serial.SerialBinding)"><!-- --></A><H3>
TupleSerialKeyCreator</H3>
<PRE>
public <B>TupleSerialKeyCreator</B>(<A HREF="../../../../com/sleepycat/bind/serial/SerialBinding.html" title="class in com.sleepycat.bind.serial">SerialBinding</A> dataBinding)</PRE>
<DL>
<DD>Creates a tuple-serial key creator.
<P>
<DT><B>Parameters:</B><DD><CODE>dataBinding</CODE> - is the data binding.</DL>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
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<B>Method Detail</B></FONT></TD>
</TR>
</TABLE>
<A NAME="createSecondaryKey(com.sleepycat.db.SecondaryDatabase, com.sleepycat.db.DatabaseEntry, com.sleepycat.db.DatabaseEntry, com.sleepycat.db.DatabaseEntry)"><!-- --></A><H3>
createSecondaryKey</H3>
<PRE>
public boolean <B>createSecondaryKey</B>(<A HREF="../../../../com/sleepycat/db/SecondaryDatabase.html" title="class in com.sleepycat.db">SecondaryDatabase</A> db,
<A HREF="../../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</A> primaryKeyEntry,
<A HREF="../../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</A> dataEntry,
<A HREF="../../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</A> indexKeyEntry)
throws <A HREF="../../../../com/sleepycat/db/DatabaseException.html" title="class in com.sleepycat.db">DatabaseException</A></PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../com/sleepycat/db/SecondaryKeyCreator.html" title="interface in com.sleepycat.db">SecondaryKeyCreator</A></CODE></B></DD>
<DD>Creates a secondary key entry, given a primary key and data entry.
<p>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../com/sleepycat/db/SecondaryKeyCreator.html#createSecondaryKey(com.sleepycat.db.SecondaryDatabase, com.sleepycat.db.DatabaseEntry, com.sleepycat.db.DatabaseEntry, com.sleepycat.db.DatabaseEntry)">createSecondaryKey</A></CODE> in interface <CODE><A HREF="../../../../com/sleepycat/db/SecondaryKeyCreator.html" title="interface in com.sleepycat.db">SecondaryKeyCreator</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>db</CODE> - the database to which the secondary key will be added.
<p><DD><CODE>primaryKeyEntry</CODE> - the primary key entry. This parameter must not be modified
by this method.
<p><DD><CODE>dataEntry</CODE> - the primary data entry. This parameter must not be modified
by this method.
<p><DD><CODE>indexKeyEntry</CODE> - the secondary key created by this method.
<p>
<DT><B>Returns:</B><DD>true if a key was created, or false to indicate that the key is
not present.
<p>
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../com/sleepycat/db/DatabaseException.html" title="class in com.sleepycat.db">DatabaseException</A></CODE> - if an error occurs attempting to create the
secondary key.</DL>
</DD>
</DL>
<HR>
<A NAME="nullifyForeignKey(com.sleepycat.db.SecondaryDatabase, com.sleepycat.db.DatabaseEntry)"><!-- --></A><H3>
nullifyForeignKey</H3>
<PRE>
public boolean <B>nullifyForeignKey</B>(<A HREF="../../../../com/sleepycat/db/SecondaryDatabase.html" title="class in com.sleepycat.db">SecondaryDatabase</A> db,
<A HREF="../../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</A> dataEntry)
throws <A HREF="../../../../com/sleepycat/db/DatabaseException.html" title="class in com.sleepycat.db">DatabaseException</A></PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../com/sleepycat/db/DatabaseException.html" title="class in com.sleepycat.db">DatabaseException</A></CODE></DL>
</DD>
</DL>
<HR>
<A NAME="createSecondaryKey(com.sleepycat.bind.tuple.TupleInput, java.lang.Object, com.sleepycat.bind.tuple.TupleOutput)"><!-- --></A><H3>
createSecondaryKey</H3>
<PRE>
public abstract boolean <B>createSecondaryKey</B>(<A HREF="../../../../com/sleepycat/bind/tuple/TupleInput.html" title="class in com.sleepycat.bind.tuple">TupleInput</A> primaryKeyInput,
<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> dataInput,
<A HREF="../../../../com/sleepycat/bind/tuple/TupleOutput.html" title="class in com.sleepycat.bind.tuple">TupleOutput</A> indexKeyOutput)</PRE>
<DL>
<DD>Creates the index key entry from primary key tuple entry and
deserialized data entry.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>primaryKeyInput</CODE> - is the <A HREF="../../../../com/sleepycat/bind/tuple/TupleInput.html" title="class in com.sleepycat.bind.tuple"><CODE>TupleInput</CODE></A> for the primary key
entry, or null if no primary key entry is used to construct the index
key.<DD><CODE>dataInput</CODE> - is the deserialized data entry, or null if no data
entry is used to construct the index key.<DD><CODE>indexKeyOutput</CODE> - is the destination index key tuple. For index
keys which are optionally present, no tuple entry should be output to
indicate that the key is not present or null.
<DT><B>Returns:</B><DD>true if a key was created, or false to indicate that the key is
not present.</DL>
</DD>
</DL>
<HR>
<A NAME="nullifyForeignKey(java.lang.Object)"><!-- --></A><H3>
nullifyForeignKey</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <B>nullifyForeignKey</B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> data)</PRE>
<DL>
<DD>Clears the index key in the deserialized data entry.
<p>On entry the data parameter contains the index key to be cleared. It
should be changed by this method such that <A HREF="../../../../com/sleepycat/bind/serial/TupleSerialKeyCreator.html#createSecondaryKey(com.sleepycat.db.SecondaryDatabase, com.sleepycat.db.DatabaseEntry, com.sleepycat.db.DatabaseEntry, com.sleepycat.db.DatabaseEntry)"><CODE>createSecondaryKey(com.sleepycat.db.SecondaryDatabase, com.sleepycat.db.DatabaseEntry, com.sleepycat.db.DatabaseEntry, com.sleepycat.db.DatabaseEntry)</CODE></A>
will return false. Other fields in the data object should remain
unchanged.</p>
<P>
<DD><DL>
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<DT><B>Parameters:</B><DD><CODE>data</CODE> - is the source and destination deserialized data
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