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SerialSerialKeyCreator (Sleepycat Software, Inc. - Berkeley DB Java API)
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com.sleepycat.bind.serial</FONT>
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Class SerialSerialKeyCreator</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.SerialSerialKeyCreator</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>
<HR>
<DL>
<DT>public abstract class <B>SerialSerialKeyCreator</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 serial key and a serial data entry.
This class takes care of serializing and deserializing the key and data
entry automatically.
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/SerialSerialKeyCreator.html#createSecondaryKey(java.lang.Object, java.lang.Object)"><CODE>createSecondaryKey(Object,Object)</CODE></A> </li>
</ul>
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<P>
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<P>
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<TD><CODE><B><A HREF="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html#SerialSerialKeyCreator(com.sleepycat.bind.serial.ClassCatalog, java.lang.Class, java.lang.Class, java.lang.Class)">SerialSerialKeyCreator</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> primaryKeyClass,
<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,
<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Class.html" title="class or interface in java.lang">Class</A> indexKeyClass)</CODE>
<BR>
Creates a serial-serial key creator.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html#SerialSerialKeyCreator(com.sleepycat.bind.serial.SerialBinding, com.sleepycat.bind.serial.SerialBinding, com.sleepycat.bind.serial.SerialBinding)">SerialSerialKeyCreator</A></B>(<A HREF="../../../../com/sleepycat/bind/serial/SerialBinding.html" title="class in com.sleepycat.bind.serial">SerialBinding</A> primaryKeyBinding,
<A HREF="../../../../com/sleepycat/bind/serial/SerialBinding.html" title="class in com.sleepycat.bind.serial">SerialBinding</A> dataBinding,
<A HREF="../../../../com/sleepycat/bind/serial/SerialBinding.html" title="class in com.sleepycat.bind.serial">SerialBinding</A> indexKeyBinding)</CODE>
<BR>
Creates a serial-serial entity binding.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>abstract <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/SerialSerialKeyCreator.html#createSecondaryKey(java.lang.Object, java.lang.Object)">createSecondaryKey</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> primaryKey,
<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>
Creates the index key object from primary key and entry objects.</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/SerialSerialKeyCreator.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>
</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/SerialSerialKeyCreator.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 a data object.</TD>
</TR>
<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/SerialSerialKeyCreator.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>
<BR>
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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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<TR BGCOLOR="white" CLASS="TableRowColor">
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<B>Constructor Detail</B></FONT></TD>
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<A NAME="SerialSerialKeyCreator(com.sleepycat.bind.serial.ClassCatalog, java.lang.Class, java.lang.Class, java.lang.Class)"><!-- --></A><H3>
SerialSerialKeyCreator</H3>
<PRE>
public <B>SerialSerialKeyCreator</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> primaryKeyClass,
<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,
<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Class.html" title="class or interface in java.lang">Class</A> indexKeyClass)</PRE>
<DL>
<DD>Creates a serial-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>primaryKeyClass</CODE> - is the primary key base class.<DD><CODE>dataClass</CODE> - is the data base class.<DD><CODE>indexKeyClass</CODE> - is the index key base class.</DL>
<HR>
<A NAME="SerialSerialKeyCreator(com.sleepycat.bind.serial.SerialBinding, com.sleepycat.bind.serial.SerialBinding, com.sleepycat.bind.serial.SerialBinding)"><!-- --></A><H3>
SerialSerialKeyCreator</H3>
<PRE>
public <B>SerialSerialKeyCreator</B>(<A HREF="../../../../com/sleepycat/bind/serial/SerialBinding.html" title="class in com.sleepycat.bind.serial">SerialBinding</A> primaryKeyBinding,
<A HREF="../../../../com/sleepycat/bind/serial/SerialBinding.html" title="class in com.sleepycat.bind.serial">SerialBinding</A> dataBinding,
<A HREF="../../../../com/sleepycat/bind/serial/SerialBinding.html" title="class in com.sleepycat.bind.serial">SerialBinding</A> indexKeyBinding)</PRE>
<DL>
<DD>Creates a serial-serial entity binding.
<P>
<DT><B>Parameters:</B><DD><CODE>primaryKeyBinding</CODE> - is the primary key binding.<DD><CODE>dataBinding</CODE> - is the data binding.<DD><CODE>indexKeyBinding</CODE> - is the index key binding.</DL>
<!-- ============ METHOD DETAIL ========== -->
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<TD COLSPAN=1><FONT SIZE="+2">
<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(java.lang.Object, java.lang.Object)"><!-- --></A><H3>
createSecondaryKey</H3>
<PRE>
public abstract <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>createSecondaryKey</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> primaryKey,
<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>Creates the index key object from primary key and entry objects.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>primaryKey</CODE> - is the deserialized source primary key entry, or
null if no primary key entry is used to construct the index key.<DD><CODE>data</CODE> - is the deserialized source data entry, or null if no
data entry is used to construct the index key.
<DT><B>Returns:</B><DD>the destination index key object, or null 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 a data object.
<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/SerialSerialKeyCreator.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>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>data</CODE> - is the source and destination data object.
<DT><B>Returns:</B><DD>the destination data object, or null to indicate that the
key is not present and no change is necessary. The data returned may
be the same object passed as the data parameter or a newly created
object.</DL>
</DD>
</DL>
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