| /* |
| * 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.servicemix.store.memory; |
| |
| import java.io.IOException; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| import org.apache.servicemix.id.IdGenerator; |
| import org.apache.servicemix.store.base.BaseStore; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * A simple memory store implementation based on a simple map. |
| * This store is neither clusterable, nor persistent, nor transactional. |
| * |
| * @author gnodet |
| */ |
| public class MemoryStore extends BaseStore { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(MemoryStore.class); |
| |
| private Map<String, Object> datas = new ConcurrentHashMap<String, Object>(); |
| |
| private IdGenerator idGenerator; |
| |
| public MemoryStore(IdGenerator idGenerator) { |
| this.idGenerator = idGenerator; |
| } |
| |
| public boolean hasFeature(String name) { |
| return false; |
| } |
| |
| public void store(String id, Object data) throws IOException { |
| LOG.debug("Storing object with id: " + id); |
| datas.put(id, data); |
| fireAddedEvent(id,data); |
| } |
| |
| public String store(Object data) throws IOException { |
| String id = idGenerator.generateId(); |
| store(id, data); |
| return id; |
| } |
| |
| public Object load(String id) throws IOException { |
| LOG.debug("Loading/Removing object with id: " + id); |
| Object data = datas.remove(id); |
| fireEvictedEvent(id,data); |
| return data; |
| } |
| |
| public Object peek(String id) throws IOException { |
| LOG.debug("Peeking object with id: " + id); |
| return datas.get(id); |
| } |
| |
| } |