Java tutorial
/* * ************************************************************************************* * 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.epl; import com.espertech.esper.client.scopetest.SupportUpdateListener; import junit.framework.TestCase; import com.espertech.esper.client.EPServiceProvider; import com.espertech.esper.client.EPStatement; import com.espertech.esper.client.EPServiceProviderManager; import com.espertech.esper.support.bean.SupportBean; import com.espertech.esper.support.client.SupportConfigFactory; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; public class TestPerf3StreamCoercion extends TestCase { private EPServiceProvider epService; private SupportUpdateListener listener; public void setUp() { epService = EPServiceProviderManager.getDefaultProvider(SupportConfigFactory.getConfiguration()); epService.initialize(); listener = new SupportUpdateListener(); System.gc(); } protected void tearDown() throws Exception { listener = null; } public void testPerfCoercion3waySceneOne() { String stmtText = "select s1.intBoxed as value from " + SupportBean.class.getName() + "(theString='A').win:length(1000000) s1," + SupportBean.class.getName() + "(theString='B').win:length(1000000) s2," + SupportBean.class.getName() + "(theString='C').win:length(1000000) s3" + " where s1.intBoxed=s2.longBoxed and s1.intBoxed=s3.doubleBoxed"; EPStatement stmt = epService.getEPAdministrator().createEPL(stmtText); stmt.addListener(listener); // preload for (int i = 0; i < 10000; i++) { sendEvent("B", 0, i, 0); sendEvent("C", 0, 0, i); } long startTime = System.currentTimeMillis(); for (int i = 0; i < 5000; i++) { int index = 5000 + i % 1000; sendEvent("A", index, 0, 0); assertEquals(index, listener.assertOneGetNewAndReset().get("value")); } long endTime = System.currentTimeMillis(); long delta = endTime - startTime; assertTrue("Failed perf test, delta=" + delta, delta < 1500); stmt.destroy(); } public void testPerfCoercion3waySceneTwo() { String stmtText = "select s1.intBoxed as value from " + SupportBean.class.getName() + "(theString='A').win:length(1000000) s1," + SupportBean.class.getName() + "(theString='B').win:length(1000000) s2," + SupportBean.class.getName() + "(theString='C').win:length(1000000) s3" + " where s1.intBoxed=s2.longBoxed and s1.intBoxed=s3.doubleBoxed"; EPStatement stmt = epService.getEPAdministrator().createEPL(stmtText); stmt.addListener(listener); // preload for (int i = 0; i < 10000; i++) { sendEvent("A", i, 0, 0); sendEvent("B", 0, i, 0); } long startTime = System.currentTimeMillis(); for (int i = 0; i < 5000; i++) { int index = 5000 + i % 1000; sendEvent("C", 0, 0, index); assertEquals(index, listener.assertOneGetNewAndReset().get("value")); } long endTime = System.currentTimeMillis(); long delta = endTime - startTime; stmt.destroy(); assertTrue("Failed perf test, delta=" + delta, delta < 1500); } public void testPerfCoercion3waySceneThree() { String stmtText = "select s1.intBoxed as value from " + SupportBean.class.getName() + "(theString='A').win:length(1000000) s1," + SupportBean.class.getName() + "(theString='B').win:length(1000000) s2," + SupportBean.class.getName() + "(theString='C').win:length(1000000) s3" + " where s1.intBoxed=s2.longBoxed and s1.intBoxed=s3.doubleBoxed"; EPStatement stmt = epService.getEPAdministrator().createEPL(stmtText); stmt.addListener(listener); // preload for (int i = 0; i < 10000; i++) { sendEvent("A", i, 0, 0); sendEvent("C", 0, 0, i); } long startTime = System.currentTimeMillis(); for (int i = 0; i < 5000; i++) { int index = 5000 + i % 1000; sendEvent("B", 0, index, 0); assertEquals(index, listener.assertOneGetNewAndReset().get("value")); } long endTime = System.currentTimeMillis(); long delta = endTime - startTime; stmt.destroy(); assertTrue("Failed perf test, delta=" + delta, delta < 1500); } private void sendEvent(String theString, int intBoxed, long longBoxed, double doubleBoxed) { SupportBean bean = new SupportBean(); bean.setTheString(theString); bean.setIntBoxed(intBoxed); bean.setLongBoxed(longBoxed); bean.setDoubleBoxed(doubleBoxed); epService.getEPRuntime().sendEvent(bean); } private static final Log log = LogFactory.getLog(TestPerf3StreamCoercion.class); }