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RecordNumberAppender (Oracle - Berkeley DB Java API)
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com.sleepycat.db
 
Interface RecordNumberAppender</H2>
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<DT><PRE>public interface RecordNumberAppender</DL>
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An interface specifying a callback function that modifies stored data
based on a generated key.

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<CODE>&nbsp;void</CODE></TD>
<TD><CODE><A HREF="../../../com/sleepycat/db/RecordNumberAppender.html#appendRecordNumber(com.sleepycat.db.Database, com.sleepycat.db.DatabaseEntry, int)">appendRecordNumber</A>(<A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db">Database</A>&nbsp;db,
 <A HREF="../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</A>&nbsp;data,
 int&nbsp;recno)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A callback function to modify the stored database based on the
 generated key.</TD>
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<A NAME="appendRecordNumber(com.sleepycat.db.Database, com.sleepycat.db.DatabaseEntry, int)"></A><H3>
appendRecordNumber</H3>
<PRE>
void appendRecordNumber(<A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db">Database</A>&nbsp;db,
 <A HREF="../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</A>&nbsp;data,
 int&nbsp;recno)
 throws <A HREF="../../../com/sleepycat/db/DatabaseException.html" title="class in com.sleepycat.db">DatabaseException</A></PRE>
<DL>
<DD>A callback function to modify the stored database based on the
 generated key.
 
 When storing records using <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> it may be
 useful to modify the stored data based on the generated key. This function will be called after the record number has been
 selected, but before the data has been stored.
 The callback function may modify the data <A HREF="../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db"><CODE>DatabaseEntry</CODE></A>. The callback function must throw a <A HREF="../../../com/sleepycat/db/DatabaseException.html" title="class in com.sleepycat.db"><CODE>DatabaseException</CODE></A> object
 to encapsulate the error on failure. That object will be thrown to
 caller of <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>.
 

<DD><DL>
<DT>Parameters:<DD><CODE>db</CODE> - The enclosing database handle.
 @param data
 The data to be stored.
 <DD><CODE>recno</CODE> - The generated record number.
<DT>Throws:
<DD><CODE><A HREF="../../../com/sleepycat/db/DatabaseException.html" title="class in com.sleepycat.db">DatabaseException</A></CODE></DL>
</DD>
</DL>

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