<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">/*-
 * See the file LICENSE for redistribution information.
 *
 * Copyright (c) 2000-2009 Oracle.  All rights reserved.
 *
 * $Id$
 */

package com.sleepycat.bind;

import com.sleepycat.db.DatabaseEntry;

/**
 * A binding between a key or data entry and a key or data object.
 *
 * &lt;p&gt;&lt;em&gt;WARNING:&lt;/em&gt; Binding instances are typically shared by multiple
 * threads and binding methods are called without any special synchronization.
 * Therefore, bindings must be thread safe.  In general no shared state should
 * be used and any caching of computed values must be done with proper
 * synchronization.&lt;/p&gt;
 *
 * @author Mark Hayes
 */
public interface EntryBinding&lt;E&gt; {

    /**
     * Converts a entry buffer into an Object.
     *
     * @param entry is the source entry buffer.
     *
     * @return the resulting Object.
     */
    E entryToObject(DatabaseEntry entry);

    /**
     * Converts an Object into a entry buffer.
     *
     * @param object is the source Object.
     *
     * @param entry is the destination entry buffer.
     */
    void objectToEntry(E object, DatabaseEntry entry);
}
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