/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.camel.model;
import java.util.List;
import java.util.concurrent.ThreadPoolExecutor;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlTransient;
import org.apache.camel.Processor;
import org.apache.camel.processor.MulticastProcessor;
import org.apache.camel.processor.aggregate.AggregationStrategy;
import org.apache.camel.processor.aggregate.UseLatestAggregationStrategy;
import org.apache.camel.processor.interceptor.StreamCachingInterceptor;
import org.apache.camel.spi.RouteContext;
/**
* Represents an XML <multicast/> element
*
* @version $Revision: 727988 $
*/
@XmlRootElement(name = "multicast")
@XmlAccessorType(XmlAccessType.FIELD)
public class MulticastType extends OutputType<ProcessorType> {
@XmlAttribute(required = false)
private Boolean parallelProcessing;
@XmlAttribute(required = false)
private String strategyRef;
@XmlAttribute(required = false)
private String threadPoolRef;
@XmlTransient
private AggregationStrategy aggregationStrategy;
@XmlTransient
private ThreadPoolExecutor threadPoolExecutor;
@Override
public String toString() {
return "Multicast[" + getOutputs() + "]";
}
@Override
public String getShortName() {
return "multicast";
}
@Override
public Processor createProcessor(RouteContext routeContext) throws Exception {
return createOutputsProcessor(routeContext);
}
// Fluent API
// -------------------------------------------------------------------------
/**
* Set the multicasting aggregationStrategy
* @param aggregationStrategy
*
* @return the builder
*/
public MulticastType aggregationStrategy(AggregationStrategy aggregationStrategy) {
setAggregationStrategy(aggregationStrategy);
return this;
}
/**
* Set to run the multicasting action parallely
*
* @return the builder
*/
public MulticastType parallelProcessing() {
setParallelProcessing(true);
return this;
}
/**
* Set the multicasting action's thread model
* @param parallelProcessing <tt>true</tt> to use a thread pool,
* if <tt>false</tt> then work is done in the calling thread
*
* @return the builder
*/
public MulticastType parallelProcessing(boolean parallelProcessing) {
setParallelProcessing(parallelProcessing);
return this;
}
/**
* Setting the executor for executing the multicasting action.
*
* @param executor , it should be a instance of ThreadPoolExcutor
* NOTE in Camel 2.0 , it will change to use the instance which implements Executor interface
*
* @return the builder
*/
public MulticastType executor(ThreadPoolExecutor executor) {
setThreadPoolExecutor(executor);
return this;
}
protected Processor createCompositeProcessor(RouteContext routeContext, List<Processor> list) {
if (aggregationStrategy == null && strategyRef != null) {
aggregationStrategy = routeContext.lookup(strategyRef, AggregationStrategy.class);
}
if (aggregationStrategy == null) {
aggregationStrategy = new UseLatestAggregationStrategy();
}
if (threadPoolRef != null) {
threadPoolExecutor = routeContext.lookup(threadPoolRef, ThreadPoolExecutor.class);
}
return new MulticastProcessor(list, aggregationStrategy, isParallelProcessing(), threadPoolExecutor);
}
public AggregationStrategy getAggregationStrategy() {
return aggregationStrategy;
}
public void setAggregationStrategy(AggregationStrategy aggregationStrategy) {
this.aggregationStrategy = aggregationStrategy;
}
public boolean isParallelProcessing() {
return parallelProcessing != null ? parallelProcessing : false;
}
public void setParallelProcessing(boolean parallelProcessing) {
this.parallelProcessing = parallelProcessing;
}
public ThreadPoolExecutor getThreadPoolExecutor() {
return threadPoolExecutor;
}
public void setThreadPoolExecutor(ThreadPoolExecutor executor) {
this.threadPoolExecutor = executor;
}
@Override
protected Processor wrapProcessorInInterceptors(RouteContext routeContext, Processor target) throws Exception {
//CAMEL-1193 now we need to wrap the multicast processor with the interceptors
//Current we wrap the StreamCachingInterceptor by default
return super.wrapProcessorInInterceptors(routeContext, new StreamCachingInterceptor(target));
}
}