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 */ 017package org.apache.camel.processor; 018 019import java.util.List; 020 021import org.apache.camel.Processor; 022import org.apache.camel.util.ServiceHelper; 023 024/** 025 * A processor which ensures wrapping processors is having lifecycle handled. 026 * 027 * @version 028 */ 029public class WrapProcessor extends DelegateAsyncProcessor { 030 private final Processor wrapped; 031 032 public WrapProcessor(Processor processor, Processor wrapped) { 033 super(processor); 034 this.wrapped = wrapped; 035 } 036 037 @Override 038 public String toString() { 039 return "Wrap[" + wrapped + "] -> " + processor; 040 } 041 042 @Override 043 public List<Processor> next() { 044 // must include wrapped in navigate 045 List<Processor> list = super.next(); 046 list.add(wrapped); 047 return list; 048 } 049 050 @Override 051 protected void doStart() throws Exception { 052 ServiceHelper.startService(wrapped); 053 super.doStart(); 054 } 055 056 @Override 057 protected void doStop() throws Exception { 058 super.doStop(); 059 ServiceHelper.stopService(wrapped); 060 } 061 062}