001    /**
002     * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.kernel.cache;
016    
017    import java.util.Collections;
018    import java.util.Set;
019    import java.util.concurrent.CopyOnWriteArraySet;
020    
021    /**
022     * @author Tina Tian
023     */
024    public class AggregatedCacheManagerListener implements CacheManagerListener {
025    
026            public boolean addCacheListener(CacheManagerListener cacheManagerListener) {
027                    if (cacheManagerListener == null) {
028                            return false;
029                    }
030    
031                    return _cacheManagerListeners.add(cacheManagerListener);
032            }
033    
034            public void clearAll() {
035                    _cacheManagerListeners.clear();
036            }
037    
038            @Override
039            public void dispose() throws PortalCacheException {
040                    for (CacheManagerListener cacheManagerListener :
041                                    _cacheManagerListeners) {
042    
043                            cacheManagerListener.dispose();
044                    }
045            }
046    
047            public Set<CacheManagerListener> getCacheManagerListeners() {
048                    return Collections.unmodifiableSet(_cacheManagerListeners);
049            }
050    
051            @Override
052            public void init() throws PortalCacheException {
053                    for (CacheManagerListener cacheManagerListener :
054                                    _cacheManagerListeners) {
055    
056                            cacheManagerListener.init();
057                    }
058            }
059    
060            @Override
061            public void notifyCacheAdded(String portalCacheName) {
062                    for (CacheManagerListener cacheManagerListener :
063                                    _cacheManagerListeners) {
064    
065                            cacheManagerListener.notifyCacheAdded(portalCacheName);
066                    }
067            }
068    
069            @Override
070            public void notifyCacheRemoved(String portalCacheName) {
071                    for (CacheManagerListener cacheManagerListener :
072                                    _cacheManagerListeners) {
073    
074                            cacheManagerListener.notifyCacheRemoved(portalCacheName);
075                    }
076            }
077    
078            public boolean removeCacheListener(
079                    CacheManagerListener cacheManagerListener) {
080    
081                    if (cacheManagerListener == null) {
082                            return false;
083                    }
084    
085                    return _cacheManagerListeners.remove(cacheManagerListener);
086            }
087    
088            private final Set<CacheManagerListener> _cacheManagerListeners =
089                    new CopyOnWriteArraySet<>();
090    
091    }