/**
* 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.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
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.Expression;
import org.apache.camel.Processor;
import org.apache.camel.model.language.ExpressionType;
import org.apache.camel.processor.Splitter;
import org.apache.camel.processor.aggregate.AggregationStrategy;
import org.apache.camel.processor.aggregate.UseLatestAggregationStrategy;
import org.apache.camel.spi.RouteContext;
/**
* Represents an XML <splitter/> element
*
* @version $Revision: 705880 $
*/
@XmlRootElement(name = "splitter")
@XmlAccessorType(XmlAccessType.FIELD)
public class SplitterType extends ExpressionNode {
@XmlTransient
private AggregationStrategy aggregationStrategy;
@XmlAttribute(required = false)
private Boolean parallelProcessing;
@XmlTransient
private ThreadPoolExecutor threadPoolExecutor;
@XmlAttribute(required = false)
private Boolean streaming = false;
public SplitterType() {
}
public SplitterType(Expression expression) {
super(expression);
}
public SplitterType(ExpressionType expression) {
super(expression);
}
@Override
public String toString() {
return "Splitter[" + getExpression() + " -> " + getOutputs() + "]";
}
@Override
public String getShortName() {
return "splitter";
}
@Override
public Processor createProcessor(RouteContext routeContext) throws Exception {
Processor childProcessor = routeContext.createProcessor(this);
if (aggregationStrategy == null) {
aggregationStrategy = new UseLatestAggregationStrategy();
}
if (threadPoolExecutor == null) {
threadPoolExecutor = new ThreadPoolExecutor(4, 16, 0L, TimeUnit.MILLISECONDS, new LinkedBlockingQueue());
}
return new Splitter(getExpression().createExpression(routeContext), childProcessor, aggregationStrategy,
isParallelProcessing(), threadPoolExecutor, streaming);
}
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;
}
/**
* The splitter should use streaming -- exchanges are being sent as the data for them becomes available.
* This improves throughput and memory usage, but it has a drawback:
* - the sent exchanges will no longer contain the {@link Splitter#SPLIT_SIZE} header property
*
* @return whether or not streaming should be used
*/
public boolean isStreaming() {
return streaming != null ? streaming : false;
}
public void setStreaming(boolean streaming) {
this.streaming = streaming;
}
/**
* Enables streaming.
* Cfr. {@link SplitterType#setStreaming(boolean)} for more information
*/
public SplitterType streaming() {
setStreaming(true);
return this;
}
public ThreadPoolExecutor getThreadPoolExecutor() {
return threadPoolExecutor;
}
public void setThreadPoolExecutor(ThreadPoolExecutor threadPoolExecutor) {
this.threadPoolExecutor = threadPoolExecutor;
}
}