001    /*
002     * CDDL HEADER START
003     *
004     * The contents of this file are subject to the terms of the
005     * Common Development and Distribution License, Version 1.0 only
006     * (the "License").  You may not use this file except in compliance
007     * with the License.
008     *
009     * You can obtain a copy of the license at
010     * trunk/opends/resource/legal-notices/OpenDS.LICENSE
011     * or https://OpenDS.dev.java.net/OpenDS.LICENSE.
012     * See the License for the specific language governing permissions
013     * and limitations under the License.
014     *
015     * When distributing Covered Code, include this CDDL HEADER in each
016     * file and include the License file at
017     * trunk/opends/resource/legal-notices/OpenDS.LICENSE.  If applicable,
018     * add the following below this CDDL HEADER, with the fields enclosed
019     * by brackets "[]" replaced with your own identifying information:
020     *      Portions Copyright [yyyy] [name of copyright owner]
021     *
022     * CDDL HEADER END
023     *
024     *
025     *      Copyright 2006-2008 Sun Microsystems, Inc.
026     */
027    package org.opends.server.replication.plugin;
028    
029    import java.util.Comparator;
030    
031    
032    /**
033     * This Class implements a Comparator that can be used to build TreeSet
034     * containing FakeOperations sorted by the ChangeNumber order.
035     */
036    public class FakeOperationComparator implements Comparator<FakeOperation>
037    {
038      /**
039       * {@inheritDoc}
040       */
041      public int compare(FakeOperation op1, FakeOperation op2)
042      {
043        if (op1 == null)
044          return -1;
045        return op1.getChangeNumber().compareTo(op2.getChangeNumber());
046      }
047    }