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.cache;
016    
017    import com.liferay.portal.kernel.cache.PortalCache;
018    import com.liferay.portal.kernel.cache.PortalCacheListener;
019    import com.liferay.portal.kernel.cache.PortalCacheListenerScope;
020    import com.liferay.portal.kernel.cache.PortalCacheManager;
021    
022    import java.io.Serializable;
023    
024    import java.util.Collections;
025    import java.util.List;
026    
027    /**
028     * @author Shuyang Zhou
029     */
030    public class DummyPortalCache<K extends Serializable, V>
031            implements PortalCache<K, V> {
032    
033            public DummyPortalCache(String portalCacheName) {
034                    _portalCacheName = portalCacheName;
035            }
036    
037            @Override
038            public V get(K key) {
039                    return null;
040            }
041    
042            @Override
043            public List<K> getKeys() {
044                    return Collections.emptyList();
045            }
046    
047            /**
048             * @deprecated As of 7.0.0, replaced by {@link #getPortalCacheName()}
049             */
050            @Deprecated
051            @Override
052            public String getName() {
053                    return getPortalCacheName();
054            }
055    
056            @Override
057            public PortalCacheManager<K, V> getPortalCacheManager() {
058                    return null;
059            }
060    
061            @Override
062            public String getPortalCacheName() {
063                    return _portalCacheName;
064            }
065    
066            @Override
067            public void put(K key, V value) {
068            }
069    
070            @Override
071            public void put(K key, V value, int timeToLive) {
072            }
073    
074            @Override
075            public void registerPortalCacheListener(
076                    PortalCacheListener<K, V> portalCacheListener) {
077            }
078    
079            @Override
080            public void registerPortalCacheListener(
081                    PortalCacheListener<K, V> portalCacheListener,
082                    PortalCacheListenerScope portalCacheListenerScope) {
083            }
084    
085            @Override
086            public void remove(K key) {
087            }
088    
089            @Override
090            public void removeAll() {
091            }
092    
093            @Override
094            public void unregisterPortalCacheListener(
095                    PortalCacheListener<K, V> portalCacheListener) {
096            }
097    
098            @Override
099            public void unregisterPortalCacheListeners() {
100            }
101    
102            private final String _portalCacheName;
103    
104    }