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