/*
* *************************************************************************************
* 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.client.scopetest.EPAssertionUtil;
import com.espertech.esper.support.bean.SupportBean;
import com.espertech.esper.support.client.SupportConfigFactory;
import junit.framework.TestCase;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
/**
* Test for multithread-safety and named window subqueries and direct index-based lookup.
*/
public class TestMTStmtNamedWindowSubqueryLookup extends TestCase
{
private static final Log log = LogFactory.getLog(TestMTStmtNamedWindowSubqueryLookup.class);
private EPServiceProvider engine;
public void tearDown()
{
engine.initialize();
}
public void testConcurrentSubquery() throws Exception
{
trySend(3, 10000);
}
private void trySend(int numThreads, int numEventsPerThread) throws Exception
{
Configuration config = SupportConfigFactory.getConfiguration();
config.getEngineDefaults().getEventMeta().setDefaultEventRepresentation(Configuration.EventRepresentation.MAP); // use Map-type events for testing
config.addEventType("SupportBean", SupportBean.class);
engine = EPServiceProviderManager.getDefaultProvider(config);
engine.initialize();
// setup statements
engine.getEPAdministrator().createEPL("create schema MyUpdateEvent as (key string, intupd int)");
engine.getEPAdministrator().createEPL("create schema MySchema as (theString string, intval int)");
EPStatement namedWindow = engine.getEPAdministrator().createEPL("create window MyWindow.win:keepall() as MySchema");
engine.getEPAdministrator().createEPL("on MyUpdateEvent mue merge MyWindow mw " +
"where mw.theString = mue.key " +
"when not matched then insert select key as theString, intupd as intval " +
"when matched then delete");
EPStatement targetStatement = engine.getEPAdministrator().createEPL("select (select intval from MyWindow mw where mw.theString = sb.theString) as val from SupportBean sb");
// execute
ExecutorService threadPool = Executors.newFixedThreadPool(numThreads);
Future<Boolean> future[] = new Future[numThreads];
for (int i = 0; i < numThreads; i++)
{
future[i] = threadPool.submit(new StmtNamedWindowSubqueryLookupCallable(i, engine, numEventsPerThread, targetStatement));
}
threadPool.shutdown();
threadPool.awaitTermination(10, TimeUnit.SECONDS);
// total up result
for (int i = 0; i < numThreads; i++)
{
Boolean result = future[i].get();
assertTrue(result);
}
EventBean[] events = EPAssertionUtil.iteratorToArray(namedWindow.iterator());
assertEquals(0, events.length);
}
}