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     */
017    package org.apache.camel.model;
018    
019    import java.util.concurrent.Executors;
020    import java.util.concurrent.LinkedBlockingQueue;
021    import java.util.concurrent.ThreadPoolExecutor;
022    import java.util.concurrent.TimeUnit;
023    
024    import javax.xml.bind.annotation.XmlAccessType;
025    import javax.xml.bind.annotation.XmlAccessorType;
026    import javax.xml.bind.annotation.XmlAttribute;
027    import javax.xml.bind.annotation.XmlRootElement;
028    import javax.xml.bind.annotation.XmlTransient;
029    
030    import org.apache.camel.Expression;
031    import org.apache.camel.Processor;
032    import org.apache.camel.impl.RouteContext;
033    import org.apache.camel.model.language.ExpressionType;
034    import org.apache.camel.processor.Splitter;
035    import org.apache.camel.processor.aggregate.AggregationStrategy;
036    import org.apache.camel.processor.aggregate.UseLatestAggregationStrategy;
037    
038    /**
039     * @version $Revision: 36865 $
040     */
041    @XmlRootElement(name = "splitter")
042    @XmlAccessorType(XmlAccessType.FIELD)
043    public class SplitterType extends ExpressionNode {
044        @XmlTransient
045        private AggregationStrategy aggregationStrategy;
046        @XmlAttribute(required = false)
047        private Boolean parallelProcessing;
048        @XmlTransient
049        private ThreadPoolExecutor threadPoolExecutor;
050        
051        public SplitterType() {
052        }
053    
054        public SplitterType(Expression expression) {
055            super(expression);
056        }
057    
058        public SplitterType(ExpressionType expression) {
059            super(expression);
060        }
061    
062        @Override
063        public String toString() {
064            return "Splitter[ " + getExpression() + " -> " + getOutputs() + "]";
065        }
066    
067        @Override
068        public Processor createProcessor(RouteContext routeContext) throws Exception {
069            Processor childProcessor = routeContext.createProcessor(this);
070            if (aggregationStrategy == null) {
071                aggregationStrategy = new UseLatestAggregationStrategy();
072            }
073            if (threadPoolExecutor == null) {
074                threadPoolExecutor = new ThreadPoolExecutor(4, 16, 0L, TimeUnit.MILLISECONDS, new LinkedBlockingQueue());
075            }
076            return new Splitter(getExpression().createExpression(routeContext), childProcessor, aggregationStrategy,
077                    isParallelProcessing(), threadPoolExecutor);
078        }
079        
080        public AggregationStrategy getAggregationStrategy() {
081            return aggregationStrategy;
082        }
083    
084        public void setAggregationStrategy(AggregationStrategy aggregationStrategy) {
085            this.aggregationStrategy = aggregationStrategy;
086        }
087        
088        public boolean isParallelProcessing() {
089            return parallelProcessing != null ? parallelProcessing : false;
090        }
091    
092        public void setParallelProcessing(boolean parallelProcessing) {
093            this.parallelProcessing = parallelProcessing;
094        }
095    
096        public ThreadPoolExecutor getThreadPoolExecutor() {
097            return threadPoolExecutor;
098        }
099    
100        public void setThreadPoolExecutor(ThreadPoolExecutor threadPoolExecutor) {
101            this.threadPoolExecutor = threadPoolExecutor;
102        }
103    }