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 legal-notices/CDDLv1_0.txt
010 * or http://forgerock.org/license/CDDLv1.0.html.
011 * See the License for the specific language governing permissions
012 * and limitations under the License.
013 *
014 * When distributing Covered Code, include this CDDL HEADER in each
015 * file and include the License file at legal-notices/CDDLv1_0.txt.
016 * If applicable, add the following below this CDDL HEADER, with the
017 * fields enclosed by brackets "[]" replaced with your own identifying
018 * information:
019 *      Portions Copyright [yyyy] [name of copyright owner]
020 *
021 * CDDL HEADER END
022 *
023 *
024 *      Copyright 2006-2008 Sun Microsystems, Inc.
025 *      Portions copyright 2013-2015 ForgeRock AS
026 */
027package org.opends.server.replication.plugin;
028
029import java.util.Comparator;
030
031/**
032 * This Class implements a Comparator that can be used to build TreeSet
033 * containing FakeOperations sorted by the CSN order.
034 */
035public class FakeOperationComparator implements Comparator<FakeOperation>
036{
037  /** {@inheritDoc} */
038  @Override
039  public int compare(FakeOperation op1, FakeOperation op2)
040  {
041    if (op1 == null)
042    {
043      return -1;
044    }
045    return op1.getCSN().compareTo(op2.getCSN());
046  }
047}