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.camel.component.seda; 018 019 import java.util.concurrent.BlockingQueue; 020 021 import org.apache.camel.Component; 022 import org.apache.camel.Consumer; 023 import org.apache.camel.Exchange; 024 import org.apache.camel.Processor; 025 import org.apache.camel.Producer; 026 import org.apache.camel.impl.DefaultEndpoint; 027 import org.apache.camel.impl.DefaultExchange; 028 import org.apache.camel.impl.DefaultProducer; 029 030 /** 031 * An implementation of the <a 032 * href="http://activemq.apache.org/camel/queue.html">Queue components</a> for 033 * asynchronous SEDA exchanges on a {@link BlockingQueue} within a CamelContext 034 * 035 * @org.apache.xbean.XBean 036 * @version $Revision: 519973 $ 037 */ 038 public class SedaEndpoint<E extends Exchange> extends DefaultEndpoint<E> { 039 private BlockingQueue<E> queue; 040 041 public SedaEndpoint(String endpointUri, Component component, BlockingQueue<E> queue) { 042 super(endpointUri, component); 043 this.queue = queue; 044 } 045 046 public SedaEndpoint(String uri, SedaComponent<E> component) { 047 this(uri, component, component.createQueue()); 048 } 049 050 public Producer<E> createProducer() throws Exception { 051 return new DefaultProducer(this) { 052 public void process(Exchange exchange) { 053 queue.add(toExchangeType(exchange)); 054 } 055 }; 056 } 057 058 public Consumer<E> createConsumer(Processor processor) throws Exception { 059 return new SedaConsumer<E>(this, processor); 060 } 061 062 public E createExchange() { 063 // How can we create a specific Exchange if we are generic?? 064 // perhaps it would be better if we did not implement this. 065 return (E)new DefaultExchange(getContext()); 066 } 067 068 public BlockingQueue<E> getQueue() { 069 return queue; 070 } 071 072 public boolean isSingleton() { 073 return true; 074 } 075 076 }