/*
* *************************************************************************************
* 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.regression.enummethod;
import com.espertech.esper.client.Configuration;
import com.espertech.esper.client.EPServiceProvider;
import com.espertech.esper.client.EPServiceProviderManager;
import com.espertech.esper.client.EPStatement;
import com.espertech.esper.client.scopetest.EPAssertionUtil;
import com.espertech.esper.client.scopetest.SupportUpdateListener;
import com.espertech.esper.support.bean.SupportBean_ST0;
import com.espertech.esper.support.bean.SupportBean_ST0_Container;
import com.espertech.esper.support.bean.lrreport.LocationReportFactory;
import com.espertech.esper.support.client.SupportConfigFactory;
import junit.framework.TestCase;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
public class TestEnumNestedPerformance extends TestCase {
private EPServiceProvider epService;
private SupportUpdateListener listener;
public void setUp() {
Configuration config = SupportConfigFactory.getConfiguration();
config.addImport(LocationReportFactory.class);
config.addEventType("Bean", SupportBean_ST0_Container.class);
epService = EPServiceProviderManager.getDefaultProvider(config);
epService.initialize();
listener = new SupportUpdateListener();
}
protected void tearDown() throws Exception {
listener = null;
}
public void testPerfNestedUncorrelated() {
List<SupportBean_ST0> list = new ArrayList<SupportBean_ST0>();
for (int i = 0; i < 10000; i++) {
list.add(new SupportBean_ST0("E1", 1000));
}
SupportBean_ST0 minEvent = new SupportBean_ST0("E2", 5);
list.add(minEvent);
SupportBean_ST0_Container theEvent = new SupportBean_ST0_Container(list);
// the "contained.min" inner lambda only depends on values within "contained" (a stream's value)
// and not on the particular "x".
String eplFragment = "select contained.where(x => x.p00 = contained.min(y => y.p00)) as val from Bean";
EPStatement stmtFragment = epService.getEPAdministrator().createEPL(eplFragment);
stmtFragment.addListener(listener);
long start = System.currentTimeMillis();
epService.getEPRuntime().sendEvent(theEvent);
long delta = System.currentTimeMillis() - start;
assertTrue("delta=" + delta, delta < 100);
Collection<SupportBean_ST0> result = (Collection<SupportBean_ST0>) listener.assertOneGetNewAndReset().get("val");
EPAssertionUtil.assertEqualsExactOrder(new Object[]{minEvent}, result.toArray());
}
}