/*
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.processor.strategy;
import org.mule.api.MuleContext;
import org.mule.api.config.MuleProperties;
import org.mule.api.config.ThreadingProfile;
import org.mule.api.store.QueueStore;
import org.mule.config.QueueProfile;
import org.mule.management.stats.QueueStatistics;
import org.mule.management.stats.QueueStatisticsAware;
import org.mule.processor.AsyncInterceptingMessageProcessor;
import org.mule.processor.SedaStageInterceptingMessageProcessor;
import org.mule.util.concurrent.ThreadNameHelper;
import org.mule.util.queue.QueueManager;
import java.io.Serializable;
import javax.resource.spi.work.WorkManager;
/**
* This strategy uses a {@link QueueManager} to decouple receipt and processing of messages. The queue is
* polled and a {@link WorkManager} is used to schedule processing of the pipeline of message processors in a
* single worker thread.
*/
public class QueuedAsynchronousProcessingStrategy extends AsynchronousProcessingStrategy
implements QueueStatisticsAware
{
protected Integer queueTimeout;
protected Integer maxQueueSize = 0;
protected QueueStore<Serializable> queueStore = null;
protected QueueStatistics queueStatistics;
@Override
protected AsyncInterceptingMessageProcessor createAsyncMessageProcessor(org.mule.api.processor.StageNameSource nameSource,
MuleContext muleContext)
{
Integer timeout = queueTimeout != null ? queueTimeout : muleContext.getConfiguration()
.getDefaultQueueTimeout();
initQueueStore(muleContext);
QueueProfile queueProfile = new QueueProfile(maxQueueSize, queueStore);
ThreadingProfile threadingProfile = createThreadingProfile(muleContext);
String stageName = nameSource.getName();
return new SedaStageInterceptingMessageProcessor(ThreadNameHelper.flow(muleContext, stageName),
stageName, queueProfile, timeout, threadingProfile, queueStatistics, muleContext);
}
protected void initQueueStore(MuleContext muleContext)
{
if (queueStore == null)
{
queueStore = muleContext.getRegistry().lookupObject(MuleProperties.QUEUE_STORE_DEFAULT_IN_MEMORY_NAME);
}
}
public Integer getQueueTimeout()
{
return queueTimeout;
}
public void setQueueTimeout(Integer queueTimeout)
{
this.queueTimeout = queueTimeout;
}
public Integer getMaxQueueSize()
{
return maxQueueSize;
}
public void setMaxQueueSize(Integer maxQueueSize)
{
this.maxQueueSize = maxQueueSize;
}
public QueueStore<Serializable> getQueueStore()
{
return queueStore;
}
public void setQueueStore(QueueStore<Serializable> queueStore)
{
this.queueStore = queueStore;
}
public QueueStatistics getQueueStatistics()
{
return queueStatistics;
}
@Override
public void setQueueStatistics(QueueStatistics queueStatistics)
{
this.queueStatistics = queueStatistics;
}
}