/**
* 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.ArrayList;
import java.util.List;
import java.util.concurrent.BlockingQueue;
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.XmlElementRef;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlTransient;
import org.apache.camel.Processor;
import org.apache.camel.processor.Pipeline;
import org.apache.camel.processor.ThreadProcessor;
import org.apache.camel.spi.RouteContext;
/**
* Represents an XML <thread/> element
*
* @version $Revision: 671918 $
*/
@XmlRootElement(name = "thread")
@XmlAccessorType(XmlAccessType.FIELD)
public class ThreadType extends ProcessorType<ProcessorType> {
@XmlAttribute(required = false)
private Integer coreSize = 1;
@XmlAttribute(required = false)
private Boolean daemon = Boolean.TRUE;
@XmlAttribute(required = false)
private Long keepAliveTime;
@XmlAttribute(required = false)
private Integer maxSize = 1;
@XmlAttribute(required = false)
private String name = "Thread Processor";
@XmlAttribute(required = false)
private Integer priority = Thread.NORM_PRIORITY;
@XmlAttribute(required = false)
private Long stackSize;
@XmlElementRef
private List<ProcessorType<?>> outputs = new ArrayList<ProcessorType<?>>();
@XmlTransient
private BlockingQueue<Runnable> taskQueue;
@XmlTransient
private ThreadGroup threadGroup;
@XmlTransient
private ThreadPoolExecutor executor;
public ThreadType() {
}
public ThreadType(int coreSize) {
this.coreSize = coreSize;
this.maxSize = coreSize;
}
public ThreadType(ThreadPoolExecutor executor) {
this.executor = executor;
}
@Override
public List<ProcessorType<?>> getOutputs() {
return outputs;
}
@Override
public String toString() {
return "Thread[" + getLabel() + "]";
}
@Override
public String getShortName() {
return "thread";
}
@Override
public String getLabel() {
return "coreSize=" + coreSize;
}
@Override
public Processor createProcessor(RouteContext routeContext) throws Exception {
ThreadProcessor thread = new ThreadProcessor();
thread.setExecutor(executor);
if (coreSize != null) {
thread.setCoreSize(coreSize);
}
if (daemon != null) {
thread.setDaemon(daemon);
}
if (keepAliveTime != null) {
thread.setKeepAliveTime(keepAliveTime);
}
if (maxSize != null) {
thread.setMaxSize(maxSize);
}
thread.setName(name);
thread.setPriority(priority);
if (stackSize != null) {
thread.setStackSize(stackSize);
}
thread.setTaskQueue(taskQueue);
thread.setThreadGroup(threadGroup);
// TODO: see if we can avoid creating so many nested pipelines
ArrayList<Processor> pipe = new ArrayList<Processor>(2);
pipe.add(thread);
pipe.add(createOutputsProcessor(routeContext, outputs));
return new Pipeline(pipe);
}
///////////////////////////////////////////////////////////////////
//
// Fluent Methods
//
///////////////////////////////////////////////////////////////////
public ThreadType coreSize(int coreSize) {
setCoreSize(coreSize);
return this;
}
public ThreadType daemon(boolean daemon) {
setDaemon(daemon);
return this;
}
public ThreadType keepAliveTime(long keepAliveTime) {
setKeepAliveTime(keepAliveTime);
return this;
}
public ThreadType maxSize(int maxSize) {
setMaxSize(maxSize);
return this;
}
public ThreadType name(String name) {
setName(name);
return this;
}
public ThreadType priority(int priority) {
setPriority(priority);
return this;
}
public ThreadType stackSize(long stackSize) {
setStackSize(stackSize);
return this;
}
public ThreadType taskQueue(BlockingQueue<Runnable> taskQueue) {
setTaskQueue(taskQueue);
return this;
}
public ThreadType threadGroup(ThreadGroup threadGroup) {
setThreadGroup(threadGroup);
return this;
}
public ThreadType executor(ThreadPoolExecutor executor) {
setExecutor(executor);
return this;
}
///////////////////////////////////////////////////////////////////
//
// Property Accessors
//
///////////////////////////////////////////////////////////////////
public void setCoreSize(int coreSize) {
this.coreSize = coreSize;
}
public void setDaemon(boolean daemon) {
this.daemon = daemon;
}
public void setKeepAliveTime(long keepAliveTime) {
this.keepAliveTime = keepAliveTime;
}
public void setMaxSize(int maxSize) {
this.maxSize = maxSize;
}
public void setName(String name) {
this.name = name;
}
public void setPriority(int priority) {
this.priority = priority;
}
public void setStackSize(long stackSize) {
this.stackSize = stackSize;
}
public void setTaskQueue(BlockingQueue<Runnable> taskQueue) {
this.taskQueue = taskQueue;
}
public void setThreadGroup(ThreadGroup threadGroup) {
this.threadGroup = threadGroup;
}
public ThreadPoolExecutor getExecutor() {
return executor;
}
public void setExecutor(ThreadPoolExecutor executor) {
this.executor = executor;
}
}