/*
* *************************************************************************************
* 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.*;
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.SupportCollection;
import com.espertech.esper.support.bean.lambda.LambdaAssertionUtil;
import com.espertech.esper.support.client.SupportConfigFactory;
import junit.framework.TestCase;
import java.util.Collection;
public class TestEnumMinMaxBy extends TestCase {
private EPServiceProvider epService;
private SupportUpdateListener listener;
public void setUp() {
Configuration config = SupportConfigFactory.getConfiguration();
config.addEventType("Bean", SupportBean_ST0_Container.class);
config.addEventType("SupportCollection", SupportCollection.class);
epService = EPServiceProviderManager.getDefaultProvider(config);
epService.initialize();
listener = new SupportUpdateListener();
}
protected void tearDown() throws Exception {
listener = null;
}
public void testMinMaxBy() {
String[] fields = "val0,val1,val2,val3".split(",");
String eplFragment = "select " +
"contained.minBy(x => p00) as val0," +
"contained.maxBy(x => p00) as val1," +
"contained.minBy(x => p00).id as val2," +
"contained.maxBy(x => p00).p00 as val3 " +
"from Bean";
EPStatement stmtFragment = epService.getEPAdministrator().createEPL(eplFragment);
stmtFragment.addListener(listener);
LambdaAssertionUtil.assertTypes(stmtFragment.getEventType(), fields, new Class[]{SupportBean_ST0.class, SupportBean_ST0.class, String.class, Integer.class});
SupportBean_ST0_Container bean = SupportBean_ST0_Container.make2Value("E1,12", "E2,11", "E2,2");
epService.getEPRuntime().sendEvent(bean);
EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fields,
new Object[]{bean.getContained().get(2), bean.getContained().get(0), "E2", 12});
bean = SupportBean_ST0_Container.make2Value("E1,12");
epService.getEPRuntime().sendEvent(bean);
EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fields,
new Object[]{bean.getContained().get(0), bean.getContained().get(0), "E1", 12});
epService.getEPRuntime().sendEvent(SupportBean_ST0_Container.make2Value(null));
EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fields,
new Object[]{null, null, null, null});
epService.getEPRuntime().sendEvent(SupportBean_ST0_Container.make2Value());
EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fields,
new Object[]{null, null, null, null});
stmtFragment.destroy();
// test scalar-coll with lambda
String[] fieldsLambda = "val0,val1".split(",");
epService.getEPAdministrator().getConfiguration().addPlugInSingleRowFunction("extractNum", TestEnumMinMax.MyService.class.getName(), "extractNum");
String eplLambda = "select " +
"strvals.minBy(v => extractNum(v)) as val0, " +
"strvals.maxBy(v => extractNum(v)) as val1 " +
"from SupportCollection";
EPStatement stmtLambda = epService.getEPAdministrator().createEPL(eplLambda);
stmtLambda.addListener(listener);
LambdaAssertionUtil.assertTypes(stmtLambda.getEventType(), fieldsLambda, new Class[]{String.class, String.class});
epService.getEPRuntime().sendEvent(SupportCollection.makeString("E2,E1,E5,E4"));
EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fieldsLambda, new Object[] {"E1", "E5"});
epService.getEPRuntime().sendEvent(SupportCollection.makeString("E1"));
EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fieldsLambda, new Object[] {"E1", "E1"});
listener.reset();
epService.getEPRuntime().sendEvent(SupportCollection.makeString(null));
EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fieldsLambda, new Object[] {null, null});
listener.reset();
epService.getEPRuntime().sendEvent(SupportCollection.makeString(""));
EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fieldsLambda, new Object[] {null, null});
}
private void tryInvalid(String epl, String message) {
try
{
epService.getEPAdministrator().createEPL(epl);
fail();
}
catch (EPStatementException ex) {
assertEquals(message, ex.getMessage());
}
}
}