| /** |
| * 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.camel.processor.aggregate; |
| |
| import java.util.Collections; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| import org.apache.camel.CamelContext; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.impl.ServiceSupport; |
| import org.apache.camel.spi.AggregationRepository; |
| |
| /** |
| * A memory based {@link org.apache.camel.spi.AggregationRepository} which stores in memory only. |
| * |
| * @version $Revision$ |
| */ |
| public class MemoryAggregationRepository extends ServiceSupport implements AggregationRepository { |
| private final Map<String, Exchange> cache = new ConcurrentHashMap<String, Exchange>(); |
| |
| public Exchange add(CamelContext camelContext, String key, Exchange exchange) { |
| return cache.put(key, exchange); |
| } |
| |
| public Exchange get(CamelContext camelContext, String key) { |
| return cache.get(key); |
| } |
| |
| public void remove(CamelContext camelContext, String key, Exchange exchange) { |
| cache.remove(key); |
| } |
| |
| public void confirm(CamelContext camelContext, String exchangeId) { |
| // noop |
| } |
| |
| public Set<String> getKeys() { |
| // do not allow edits to the set |
| return Collections.unmodifiableSet(cache.keySet()); |
| } |
| |
| @Override |
| protected void doStart() throws Exception { |
| } |
| |
| @Override |
| protected void doStop() throws Exception { |
| cache.clear(); |
| } |
| |
| } |