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<div class="aboutLanguage"><em><b>Berkeley DB</b><br><font size="-1"> version 6.1.29</font></em></div>
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<h2 title="Interface Hasher" class="title">Interface Hasher</h2>
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<pre>public interface <span class="strong">Hasher</span></pre>
<div class="block">An application-specified, database hash function.</div>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../com/sleepycat/db/Hasher.html#hash(com.sleepycat.db.Database,%20byte[],%20int)">hash</a></strong>(<a href="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db">Database</a> db,
byte[] data,
int len)</code>
<div class="block">An application-specified, database-specific hash function.</div>
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<h4>hash</h4>
<pre>int hash(<a href="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db">Database</a> db,
byte[] data,
int len)</pre>
<div class="block">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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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>db</code> - The enclosing database handle.</dd><dd><code>data</code> - The byte string to be hashed.</dd><dd><code>len</code> - The length of the byte string in bytes.
<p> @return
The hash value of the byte string.</dd></dl>
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