/*
* *************************************************************************************
* Copyright (C) 2008 EsperTech, Inc. All rights reserved. *
* http://esper.codehaus.org *
* http://www.espertech.com *
* ---------------------------------------------------------------------------------- *
* The software in this package is published under the terms of the GPL license *
* a copy of which has been included with this distribution in the license.txt file. *
* *************************************************************************************
*/
package com.espertech.esper.multithread;
import com.espertech.esper.client.*;
import com.espertech.esper.support.bean.SupportBean;
import com.espertech.esper.support.util.SupportMTUpdateListener;
import junit.framework.Assert;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import java.util.concurrent.Callable;
import java.util.List;
public class IsolateUnisolateCallable implements Callable
{
private final int threadNum;
private final EPServiceProvider engine;
private final int loopCount;
public IsolateUnisolateCallable(int threadNum, EPServiceProvider engine, int loopCount)
{
this.threadNum = threadNum;
this.engine = engine;
this.loopCount = loopCount;
}
public Object call() throws Exception
{
SupportMTUpdateListener listenerIsolated = new SupportMTUpdateListener();
SupportMTUpdateListener listenerUnisolated = new SupportMTUpdateListener();
EPStatement stmt = engine.getEPAdministrator().createEPL("select * from SupportBean");
try
{
for (int i = 0; i < loopCount; i++)
{
EPServiceProviderIsolated isolated = engine.getEPServiceIsolated("i1");
isolated.getEPAdministrator().addStatement(stmt);
listenerIsolated.reset();
stmt.addListener(listenerIsolated);
Object theEvent = new SupportBean();
//System.out.println("Sensing event : " + event + " by thread " + Thread.currentThread().getId());
isolated.getEPRuntime().sendEvent(theEvent);
findEvent(listenerIsolated, i, theEvent);
stmt.removeAllListeners();
isolated.getEPAdministrator().removeStatement(stmt);
stmt.addListener(listenerUnisolated);
theEvent = new SupportBean();
engine.getEPRuntime().sendEvent(theEvent);
findEvent(listenerUnisolated, i, theEvent);
stmt.removeAllListeners();
}
}
catch (Exception ex)
{
log.fatal("Error in thread " + threadNum, ex);
return false;
}
return true;
}
private void findEvent(SupportMTUpdateListener listener, int loop, Object theEvent)
{
String message = "Failed in loop " + loop + " threads " + Thread.currentThread();
Assert.assertTrue(message, listener.isInvoked());
List<EventBean[]> eventBeans = listener.getNewDataListCopy();
boolean found = false;
for (EventBean[] events : eventBeans)
{
Assert.assertEquals(message, 1, events.length);
if (events[0].getUnderlying() == theEvent)
{
found = true;
}
}
Assert.assertTrue(message, found);
listener.reset();
}
private static final Log log = LogFactory.getLog(IsolateUnisolateCallable.class);
}