/*
 * *************************************************************************************
 *  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.datetime;

import com.espertech.esper.client.*;
import com.espertech.esper.client.scopetest.SupportUpdateListener;
import com.espertech.esper.support.bean.SupportDateTime;
import com.espertech.esper.support.bean.SupportTimeStartEndA;
import com.espertech.esper.support.client.SupportConfigFactory;
import junit.framework.TestCase;

public class TestPerfDTBetween extends TestCase {

    private EPServiceProvider epService;
    private SupportUpdateListener listener;

    public void setUp() {

        Configuration config = SupportConfigFactory.getConfiguration();
        config.getEngineDefaults().getLogging().setEnableQueryPlan(true);
        epService = EPServiceProviderManager.getDefaultProvider(config);
        epService.initialize();
        listener = new SupportUpdateListener();
    }

    public void tearDown() {
        listener = null;
    }

    public void testPerf() {

        epService.getEPAdministrator().getConfiguration().addEventType("A", SupportTimeStartEndA.class.getName());
        epService.getEPAdministrator().getConfiguration().addEventType("SupportDateTime", SupportDateTime.class.getName());

        epService.getEPAdministrator().createEPL("create window AWindow.win:keepall() as A");
        epService.getEPAdministrator().createEPL("insert into AWindow select * from A");

        // preload
        for (int i = 0; i < 10000; i++) {
            epService.getEPRuntime().sendEvent(SupportTimeStartEndA.make("A" + i, "2002-05-30T9:00:00.000", 100));
        }
        epService.getEPRuntime().sendEvent(SupportTimeStartEndA.make("AEarlier", "2002-05-30T8:00:00.000", 100));
        epService.getEPRuntime().sendEvent(SupportTimeStartEndA.make("ALater", "2002-05-30T10:00:00.000", 100));

        String epl = "select a.key as c0 from SupportDateTime unidirectional, AWindow as a where msecdate.between(msecdateStart, msecdateEnd, false, true)";
        EPStatement stmt = epService.getEPAdministrator().createEPL(epl);
        stmt.addListener(listener);

        // query
        long startTime = System.currentTimeMillis();
        for (int i = 0; i < 1000; i++) {
            epService.getEPRuntime().sendEvent(SupportDateTime.make("2002-05-30T8:00:00.050"));
            assertEquals("AEarlier", listener.assertOneGetNewAndReset().get("c0"));
        }
        long endTime = System.currentTimeMillis();
        long delta = endTime - startTime;
        assertTrue("Delta=" + delta/1000d, delta < 500);

        epService.getEPRuntime().sendEvent(SupportDateTime.make("2002-05-30T10:00:00.050"));
        assertEquals("ALater", listener.assertOneGetNewAndReset().get("c0"));

        stmt.destroy();
    }
}