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Hasher (Oracle - Berkeley DB Java API)
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com.sleepycat.db</FONT>
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Interface Hasher</H2>
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<DT><PRE>public interface <B>Hasher</B></DL>
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An application-specified, database hash function.
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<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/db/Hasher.html#hash(com.sleepycat.db.Database, byte[], int)">hash</A></B>(<A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db">Database</A> db,
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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 <B>hash</B>(<A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db">Database</A> db,
byte[] data,
int len)</PRE>
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<DD>An application-specified, database-specific hash function.
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The hash function must handle any key values used by the application
(possibly including zero-length keys).
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<DT><B>Parameters:</B><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.
<p> @return
The hash value of the byte string.</DL>
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