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.model;
018
019import javax.xml.bind.annotation.XmlAccessType;
020import javax.xml.bind.annotation.XmlAccessorType;
021import javax.xml.bind.annotation.XmlAttribute;
022import javax.xml.bind.annotation.XmlRootElement;
023import javax.xml.bind.annotation.XmlTransient;
024
025import org.apache.camel.ExchangePattern;
026import org.apache.camel.Processor;
027import org.apache.camel.processor.ExchangePatternProcessor;
028import org.apache.camel.spi.Metadata;
029import org.apache.camel.spi.RouteContext;
030
031/**
032 * Sets the exchange pattern on the message exchange
033 *
034 * @version 
035 */
036@Metadata(label = "configuration")
037@XmlRootElement(name = "setExchangePattern")
038@XmlAccessorType(XmlAccessType.FIELD)
039public class SetExchangePatternDefinition extends NoOutputDefinition<SetExchangePatternDefinition> {
040    @XmlAttribute(required = true)
041    private ExchangePattern pattern;
042    @XmlTransient
043    private ExchangePatternProcessor processor;
044    
045    public SetExchangePatternDefinition() {
046    }
047
048    public SetExchangePatternDefinition(ExchangePattern pattern) {
049        this.pattern = pattern;
050    }
051
052    public SetExchangePatternDefinition pattern(ExchangePattern pattern) {
053        setPattern(pattern);
054        return this;
055    }
056
057    public ExchangePattern getPattern() {
058        return pattern;
059    }
060
061    /**
062     * Sets the new exchange pattern of the Exchange to be used from this point forward
063     */
064    public void setPattern(ExchangePattern pattern) {
065        this.pattern = pattern;
066    }
067
068    @Override
069    public String toString() {
070        return "setExchangePattern[pattern: " + pattern + "]";
071    }
072
073    @Override
074    public String getLabel() {
075        return "setExchangePattern[" + pattern + "]";
076    }
077   
078    @Override
079    public Processor createProcessor(RouteContext routeContext) {
080        if (processor == null) {
081            processor = new ExchangePatternProcessor(getPattern());
082        }
083        return processor;
084    }
085
086}