/*
***************************************************************************************
* Copyright (C) 2006 EsperTech, Inc. All rights reserved. *
* http://www.espertech.com/esper *
* 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.regression.multithread;
import com.espertech.esper.client.Configuration;
import com.espertech.esper.client.EPServiceProvider;
import com.espertech.esper.client.EPServiceProviderManager;
import com.espertech.esper.core.service.EPStatementSPI;
import com.espertech.esper.supportregression.bean.word.SentenceEvent;
import com.espertech.esper.supportregression.client.SupportConfigFactory;
import junit.framework.TestCase;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class TestMTStmtStateless extends TestCase
{
private final static Logger log = LoggerFactory.getLogger(TestMTStmtStateless.class);
private EPServiceProvider engine;
public void setUp()
{
Configuration config = SupportConfigFactory.getConfiguration();
engine = EPServiceProviderManager.getDefaultProvider(config);
}
public void tearDown()
{
engine.destroy();
}
public void testStateless() throws Exception
{
trySend(4, 1000);
}
private void trySend(int numThreads, int numRepeats) throws Exception
{
engine.getEPAdministrator().getConfiguration().addEventType(SentenceEvent.class);
EPStatementSPI spi = (EPStatementSPI) engine.getEPAdministrator().createEPL("select * from SentenceEvent[words]");
assertTrue(spi.getStatementContext().isStatelessSelect());
StatelessRunnable[] runnables = new StatelessRunnable[numThreads];
for (int i = 0; i < runnables.length; i++) {
runnables[i] = new StatelessRunnable(engine, numRepeats);
}
Thread[] threads = new Thread[numThreads];
for (int i = 0; i < runnables.length; i++) {
threads[i] = new Thread(runnables[i]);
}
long start = System.currentTimeMillis();
for (Thread t : threads) {
t.start();
}
for (Thread t : threads) {
t.join();
}
long delta = System.currentTimeMillis() - start;
log.info("Delta=" + delta + " for " + numThreads*numRepeats + " events");
for (StatelessRunnable r : runnables) {
assertNull(r.getException());
}
}
public static class StatelessRunnable implements Runnable {
private final EPServiceProvider engine;
private final int numRepeats;
private Throwable exception;
public StatelessRunnable(EPServiceProvider engine, int numRepeats) {
this.engine = engine;
this.numRepeats = numRepeats;
}
public void run() {
try {
for (int i = 0; i < numRepeats; i++) {
engine.getEPRuntime().sendEvent(new SentenceEvent("This is stateless statement testing"));
if (i % 10000 == 0) {
log.info("Thread " + Thread.currentThread().getId() + " sending event " + i);
}
}
}
catch (Throwable t) {
exception = t;
}
}
public Throwable getException() {
return exception;
}
}
}