PortalCacheClusterEventCoalesceComparator.java |
1 /** 2 * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or modify it under 5 * the terms of the GNU Lesser General Public License as published by the Free 6 * Software Foundation; either version 2.1 of the License, or (at your option) 7 * any later version. 8 * 9 * This library is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 11 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more 12 * details. 13 */ 14 15 package com.liferay.portal.kernel.cache.cluster; 16 17 import java.util.Comparator; 18 19 /** 20 * <a href="PortalCacheClusterEventCoalesceComparator.java.html"><b><i>View 21 * Source</i></b></a> 22 * 23 * @author Shuyang Zhou 24 */ 25 public class PortalCacheClusterEventCoalesceComparator 26 implements Comparator<PortalCacheClusterEvent> { 27 28 public int compare( 29 PortalCacheClusterEvent portalCacheClusterEvent1, 30 PortalCacheClusterEvent portalCacheClusterEvent2) { 31 32 if ((portalCacheClusterEvent1 == null) || 33 (portalCacheClusterEvent2 == null)) { 34 35 return 1; 36 } 37 38 if (portalCacheClusterEvent1.getCacheName().equals( 39 portalCacheClusterEvent2.getCacheName()) && 40 portalCacheClusterEvent1.getElementKey().equals( 41 portalCacheClusterEvent2.getElementKey())) { 42 43 return 0; 44 } 45 else { 46 return -1; 47 } 48 } 49 50 }