| 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 }