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    }