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Hasher (Oracle - Berkeley DB Java API)
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com.sleepycat.db
 
Interface Hasher</H2>
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<DT><PRE>public interface Hasher</DL>
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An application-specified, database hash function.

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<CODE>&nbsp;int</CODE></TD>
<TD><CODE><A HREF="../../../com/sleepycat/db/Hasher.html#hash(com.sleepycat.db.Database, byte[], int)">hash</A>(<A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db">Database</A>&nbsp;db,
 byte[]&nbsp;data,
 int&nbsp;len)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;An application-specified, database-specific hash function.</TD>
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<A NAME="hash(com.sleepycat.db.Database, byte[], int)"></A><H3>
hash</H3>
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int hash(<A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db">Database</A>&nbsp;db,
 byte[]&nbsp;data,
 int&nbsp;len)</PRE>
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<DD>An application-specified, database-specific hash function.
 
 The hash function must handle any key values used by the application
 (possibly including zero-length keys).
 

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<DT>Parameters:<DD><CODE>db</CODE> - The enclosing database handle.<DD><CODE>data</CODE> - The byte string to be hashed.<DD><CODE>len</CODE> - The length of the byte string in bytes.
 @return
 The hash value of the byte string.</DL>
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