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.AsyncCallback; 020 import org.apache.camel.AsyncProcessor; 021 import org.apache.camel.Exchange; 022 import org.apache.camel.ExchangePattern; 023 import org.apache.camel.support.ServiceSupport; 024 import org.apache.camel.util.AsyncProcessorHelper; 025 026 public class ExchangePatternProcessor extends ServiceSupport implements AsyncProcessor { 027 private ExchangePattern exchangePattern = ExchangePattern.InOnly; 028 029 public ExchangePatternProcessor() { 030 } 031 032 public ExchangePatternProcessor(ExchangePattern ep) { 033 setExchangePattern(ep); 034 } 035 036 public void setExchangePattern(ExchangePattern ep) { 037 exchangePattern = ep; 038 } 039 040 public void process(Exchange exchange) throws Exception { 041 AsyncProcessorHelper.process(this, exchange); 042 } 043 044 public boolean process(Exchange exchange, AsyncCallback callback) { 045 exchange.setPattern(exchangePattern); 046 callback.done(true); 047 return true; 048 } 049 050 @Override 051 public String toString() { 052 return "SetExchangePattern[" + exchangePattern + "]"; 053 } 054 055 @Override 056 protected void doStart() throws Exception { 057 // noop 058 } 059 060 @Override 061 protected void doStop() throws Exception { 062 // noop 063 } 064 }