TestNamedWindowSubqCorrelJoin.java

/*
 * *************************************************************************************
 *  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.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;
import com.espertech.esper.support.bean.SupportBean_S0;
import com.espertech.esper.support.bean.SupportBean_S1;
import com.espertech.esper.support.client.SupportConfigFactory;
import junit.framework.TestCase;

public class TestNamedWindowSubqCorrelJoin extends TestCase
{
    private EPServiceProvider epService;
    private SupportUpdateListener listener;

    public void setUp()
    {
        Configuration config = SupportConfigFactory.getConfiguration();
        epService = EPServiceProviderManager.getDefaultProvider(config);
        epService.initialize();
        epService.getEPAdministrator().getConfiguration().addEventType("SupportBean", SupportBean.class);
        epService.getEPAdministrator().getConfiguration().addEventType("S0Bean", SupportBean_S0.class);
        epService.getEPAdministrator().getConfiguration().addEventType("S1Bean", SupportBean_S1.class);
        listener = new SupportUpdateListener();
    }

    protected void tearDown() throws Exception {
        listener = null;
    }

    public void testNoShare() {
        runAssertion(false);
    }

    public void testShare() {
        runAssertion(true);
    }

    private void runAssertion(boolean enableIndexShareCreate) {
        String createEpl = "create window MyWindow.std:unique(theString) as select * from SupportBean";
        if (enableIndexShareCreate) {
            createEpl = "@Hint('enable_window_subquery_indexshare') " + createEpl;
        }
        epService.getEPAdministrator().createEPL(createEpl);
        epService.getEPAdministrator().createEPL("insert into MyWindow select * from SupportBean");

        String consumeEpl = "select (select intPrimitive from MyWindow where theString = s1.p10) as val from S0Bean.std:lastevent() as s0, S1Bean.std:lastevent() as s1";
        EPStatement consumeStmt = epService.getEPAdministrator().createEPL(consumeEpl);
        consumeStmt.addListener(listener);

        String[] fields = "val".split(",");

        epService.getEPRuntime().sendEvent(new SupportBean("E1", 10));
        epService.getEPRuntime().sendEvent(new SupportBean("E2", 20));
        epService.getEPRuntime().sendEvent(new SupportBean("E3", 30));

        epService.getEPRuntime().sendEvent(new SupportBean_S0(1, "E1"));
        assertFalse(listener.isInvoked());

        epService.getEPRuntime().sendEvent(new SupportBean_S1(1, "E2"));
        EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fields, new Object[]{20});

        epService.getEPRuntime().sendEvent(new SupportBean_S0(1, "E3"));
        EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fields, new Object[]{20});

        epService.getEPRuntime().sendEvent(new SupportBean_S1(1, "E1"));
        EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fields, new Object[]{10});

        epService.getEPRuntime().sendEvent(new SupportBean_S1(1, "E3"));
        EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fields, new Object[]{30});
        
        consumeStmt.stop();
        consumeStmt.destroy();
    }
}