001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.activemq.memory; 018 019 020 /** 021 * Filters another Cache implementation. 022 * 023 * 024 */ 025 public class CacheFilter implements Cache { 026 027 protected final Cache next; 028 029 public CacheFilter(Cache next) { 030 this.next = next; 031 } 032 033 public Object put(Object key, Object value) { 034 return next.put(key, value); 035 } 036 037 public Object get(Object key) { 038 return next.get(key); 039 } 040 041 public Object remove(Object key) { 042 return next.remove(key); 043 } 044 045 public void close() { 046 next.close(); 047 } 048 049 public int size() { 050 return next.size(); 051 } 052 }