1 /* 2 * Copyright (C) 2005 Alfresco, Inc. 3 * 4 * Licensed under the Mozilla Public License version 1.1 5 * with a permitted attribution clause. You may obtain a 6 * copy of the License at 7 * 8 * http://www.alfresco.org/legal/license.txt 9 * 10 * Unless required by applicable law or agreed to in writing, 11 * software distributed under the License is distributed on an 12 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 13 * either express or implied. See the License for the specific 14 * language governing permissions and limitations under the 15 * License. 16 */ 17 package org.alfresco.repo.cache; 18 19 import java.io.Serializable; 20 21 /** 22 * Basic caching interface. 23 * <p> 24 * All implementations <b>must</b> be thread-safe. Additionally, the use of the 25 * <tt>Serializable</tt> for both keys and values ensures that the underlying 26 * cache implementations can support both clustered caches as well as persistent 27 * caches. 28 * 29 * @author Derek Hulley 30 */ 31 public interface SimpleCache<K extends Serializable, V extends Serializable> 32 { 33 public boolean contains(K key); 34 35 public V get(K key); 36 37 public void put(K key, V value); 38 39 public void remove(K key); 40 41 public void clear(); 42 } 43