001    /**
002     * Copyright (c) 2000-2012 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.cache.memory;
016    
017    import com.liferay.portal.kernel.cache.PortalCache;
018    import com.liferay.portal.kernel.cache.PortalCacheManager;
019    
020    import java.io.Serializable;
021    
022    import java.net.URL;
023    
024    import java.util.Map;
025    import java.util.concurrent.ConcurrentHashMap;
026    
027    /**
028     * @author Brian Wing Shun Chan
029     */
030    public class MemoryPortalCacheManager<K extends Serializable, V>
031            implements PortalCacheManager<K, V> {
032    
033            public void afterPropertiesSet() {
034                    _portalCaches = new ConcurrentHashMap<String, PortalCache<K, V>>(
035                            _cacheManagerInitialCapacity);
036            }
037    
038            public void clearAll() {
039                    _portalCaches.clear();
040            }
041    
042            public PortalCache<K, V> getCache(String name) {
043                    return getCache(name, false);
044            }
045    
046            public PortalCache<K, V> getCache(String name, boolean blocking) {
047                    PortalCache<K, V> portalCache = _portalCaches.get(name);
048    
049                    if (portalCache == null) {
050                            portalCache = new MemoryPortalCache<K, V>(
051                                    name, _cacheInitialCapacity);
052    
053                            _portalCaches.put(name, portalCache);
054                    }
055    
056                    return portalCache;
057            }
058    
059            public void reconfigureCaches(URL configurationURL) {
060            }
061    
062            public void removeCache(String name) {
063                    _portalCaches.remove(name);
064            }
065    
066            public void setCacheInitialCapacity(int cacheInitialCapacity) {
067                    _cacheInitialCapacity = cacheInitialCapacity;
068            }
069    
070            public void setCacheManagerInitialCapacity(
071                    int cacheManagerInitialCapacity) {
072    
073                    _cacheManagerInitialCapacity = cacheManagerInitialCapacity;
074            }
075    
076            private int _cacheInitialCapacity = 10000;
077            private int _cacheManagerInitialCapacity = 10000;
078            private Map<String, PortalCache<K, V>> _portalCaches;
079    
080    }