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}