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.processor; 018 019 import org.apache.camel.Endpoint; 020 import org.apache.camel.Exchange; 021 import org.apache.camel.ExchangePattern; 022 import org.apache.camel.Processor; 023 import org.apache.camel.Producer; 024 import org.apache.camel.util.ServiceHelper; 025 026 /** 027 * Ensures a {@link Producer} is executed within an {@link org.apache.camel.spi.UnitOfWork}. 028 * 029 * @version 030 */ 031 public final class UnitOfWorkProducer implements Producer { 032 033 private final Producer producer; 034 private final Processor processor; 035 036 /** 037 * The producer which should be executed within an {@link org.apache.camel.spi.UnitOfWork}. 038 * 039 * @param producer the producer 040 */ 041 public UnitOfWorkProducer(Producer producer) { 042 this.producer = producer; 043 this.processor = new UnitOfWorkProcessor(producer); 044 } 045 046 public Endpoint getEndpoint() { 047 return producer.getEndpoint(); 048 } 049 050 public Exchange createExchange() { 051 return producer.createExchange(); 052 } 053 054 public Exchange createExchange(ExchangePattern pattern) { 055 return producer.createExchange(pattern); 056 } 057 058 public Exchange createExchange(Exchange exchange) { 059 return producer.createExchange(exchange); 060 } 061 062 public void process(Exchange exchange) throws Exception { 063 processor.process(exchange); 064 } 065 066 public void start() throws Exception { 067 ServiceHelper.startService(processor); 068 } 069 070 public void stop() throws Exception { 071 ServiceHelper.stopService(processor); 072 } 073 074 public boolean isSingleton() { 075 return producer.isSingleton(); 076 } 077 078 @Override 079 public String toString() { 080 return "UnitOfWork(" + producer + ")"; 081 } 082 }