| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.activemq.memory; |
| |
| import java.util.Map; |
| |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| /** |
| * Use any Map to implement the Cache. No cache eviction going on here. Just gives |
| * a Map a Cache interface. |
| * |
| * |
| */ |
| public class MapCache implements Cache { |
| |
| protected final Map<Object, Object> map; |
| |
| public MapCache() { |
| this(new ConcurrentHashMap<Object, Object>()); |
| } |
| |
| public MapCache(Map<Object, Object> map) { |
| this.map = map; |
| } |
| |
| public Object put(Object key, Object value) { |
| return map.put(key, value); |
| } |
| |
| public Object get(Object key) { |
| return map.get(key); |
| } |
| |
| public Object remove(Object key) { |
| return map.remove(key); |
| } |
| |
| public void close() { |
| map.clear(); |
| } |
| |
| public int size() { |
| return map.size(); |
| } |
| } |