/*
***************************************************************************************
* Copyright (C) 2006 EsperTech, Inc. All rights reserved. *
* http://www.espertech.com/esper *
* 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.metrics.instrumentation.InstrumentationHelper;
import com.espertech.esper.supportregression.bean.SupportBean;
import com.espertech.esper.supportregression.bean.SupportBean_Container;
import com.espertech.esper.supportregression.bean.SupportCollection;
import com.espertech.esper.supportregression.bean.lambda.LambdaAssertionUtil;
import com.espertech.esper.supportregression.client.SupportConfigFactory;
import junit.framework.TestCase;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class TestEnumSumOf extends TestCase {
private EPServiceProvider epService;
private SupportUpdateListener listener;
public void setUp() {
Configuration config = SupportConfigFactory.getConfiguration();
config.addEventType("Bean", SupportBean_Container.class);
config.addEventType("SupportCollection", SupportCollection.class);
epService = EPServiceProviderManager.getDefaultProvider(config);
epService.initialize();
if (InstrumentationHelper.ENABLED) { InstrumentationHelper.startTest(epService, this.getClass(), getName());}
listener = new SupportUpdateListener();
}
protected void tearDown() throws Exception {
if (InstrumentationHelper.ENABLED) { InstrumentationHelper.endTest();}
listener = null;
}
public void testSumEvents() {
String[] fields = "val0,val1,val2,val3".split(",");
String eplFragment = "select " +
"beans.sumOf(x => intBoxed) as val0," +
"beans.sumOf(x => doubleBoxed) as val1," +
"beans.sumOf(x => longBoxed) as val2," +
"beans.sumOf(x => bigDecimal) as val3 " +
"from Bean";
EPStatement stmtFragment = epService.getEPAdministrator().createEPL(eplFragment);
stmtFragment.addListener(listener);
LambdaAssertionUtil.assertTypes(stmtFragment.getEventType(), fields, new Class[]{Integer.class, Double.class, Long.class, BigDecimal.class});
epService.getEPRuntime().sendEvent(new SupportBean_Container(null));
EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fields, new Object[]{null, null, null, null});
epService.getEPRuntime().sendEvent(new SupportBean_Container(Collections.<SupportBean>emptyList()));
EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fields, new Object[]{null, null, null, null});
List<SupportBean> list = new ArrayList<SupportBean>();
list.add(make(2,3d,4l,5));
epService.getEPRuntime().sendEvent(new SupportBean_Container(list));
EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fields, new Object[]{2, 3d, 4L, new BigDecimal(5)});
list.add(make(4,6d,8l,10));
epService.getEPRuntime().sendEvent(new SupportBean_Container(list));
EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fields, new Object[]{2 + 4, 3d + 6d, 4L + 8L, new BigDecimal(5 + 10)});
}
public void testSumOfScalar() {
String[] fields = "val0,val1".split(",");
String eplFragment = "select " +
"intvals.sumOf() as val0, " +
"bdvals.sumOf() as val1 " +
"from SupportCollection";
EPStatement stmtFragment = epService.getEPAdministrator().createEPL(eplFragment);
stmtFragment.addListener(listener);
LambdaAssertionUtil.assertTypes(stmtFragment.getEventType(), fields, new Class[]{Integer.class, BigDecimal.class});
epService.getEPRuntime().sendEvent(SupportCollection.makeNumeric("1,4,5"));
EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fields, new Object[]{1 + 4 + 5, new BigDecimal(1 + 4 + 5)});
epService.getEPRuntime().sendEvent(SupportCollection.makeNumeric("3,4"));
EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fields, new Object[]{3 + 4, new BigDecimal(3 + 4)});
epService.getEPRuntime().sendEvent(SupportCollection.makeNumeric("3"));
EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fields, new Object[]{3, new BigDecimal(3)});
epService.getEPRuntime().sendEvent(SupportCollection.makeNumeric(""));
EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fields, new Object[]{null, null});
epService.getEPRuntime().sendEvent(SupportCollection.makeNumeric(null));
EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fields, new Object[]{null, null});
stmtFragment.destroy();
// test average with lambda
epService.getEPAdministrator().getConfiguration().addPlugInSingleRowFunction("extractNum", TestEnumMinMax.MyService.class.getName(), "extractNum");
epService.getEPAdministrator().getConfiguration().addPlugInSingleRowFunction("extractBigDecimal", TestEnumMinMax.MyService.class.getName(), "extractBigDecimal");
// lambda with string-array input
String[] fieldsLambda = "val0,val1".split(",");
String eplLambda = "select " +
"strvals.sumOf(v => extractNum(v)) as val0, " +
"strvals.sumOf(v => extractBigDecimal(v)) as val1 " +
"from SupportCollection";
EPStatement stmtLambda = epService.getEPAdministrator().createEPL(eplLambda);
stmtLambda.addListener(listener);
LambdaAssertionUtil.assertTypes(stmtLambda.getEventType(), fieldsLambda, new Class[]{Integer.class, BigDecimal.class});
epService.getEPRuntime().sendEvent(SupportCollection.makeString("E2,E1,E5,E4"));
EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fieldsLambda, new Object[]{2+1+5+4, new BigDecimal(2+1+5+4)});
epService.getEPRuntime().sendEvent(SupportCollection.makeString("E1"));
EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fieldsLambda, new Object[]{1, new BigDecimal(1)});
epService.getEPRuntime().sendEvent(SupportCollection.makeString(null));
EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fieldsLambda, new Object[]{null, null});
epService.getEPRuntime().sendEvent(SupportCollection.makeString(""));
EPAssertionUtil.assertProps(listener.assertOneGetNewAndReset(), fieldsLambda, new Object[]{null, null});
}
private SupportBean make(Integer intBoxed, Double doubleBoxed, Long longBoxed, int bigDecimal) {
SupportBean bean = new SupportBean();
bean.setIntBoxed(intBoxed);
bean.setDoubleBoxed(doubleBoxed);
bean.setLongBoxed(longBoxed);
bean.setBigDecimal(new BigDecimal(bigDecimal));
return bean;
}
public void testInvalid() {
String epl;
epl = "select beans.sumof() from Bean";
tryInvalid(epl, "Error starting statement: Failed to validate select-clause expression 'beans.sumof()': Invalid input for built-in enumeration method 'sumof' and 0-parameter footprint, expecting collection of values (typically scalar values) as input, received collection of events of type '" + SupportBean.class.getName() + "' [select beans.sumof() from Bean]");
}
private void tryInvalid(String epl, String message) {
try
{
epService.getEPAdministrator().createEPL(epl);
fail();
}
catch (EPStatementException ex) {
assertEquals(message, ex.getMessage());
}
}
}