/*
***************************************************************************************
* 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.SupportUpdateListener;
import com.espertech.esper.metrics.instrumentation.InstrumentationHelper;
import com.espertech.esper.supportregression.bean.SupportBean_ST0;
import com.espertech.esper.supportregression.bean.SupportBean_ST0_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.util.Collection;
public class TestEnumOrderBy 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();
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 testOrderByEvents() {
String[] fields = "val0,val1,val2,val3,val4,val5".split(",");
String eplFragment = "select " +
"contained.orderBy(x => p00) as val0," +
"contained.orderBy(x => 10 - p00) as val1," +
"contained.orderBy(x => 0) as val2," +
"contained.orderByDesc(x => p00) as val3," +
"contained.orderByDesc(x => 10 - p00) as val4," +
"contained.orderByDesc(x => 0) as val5" +
" from Bean";
EPStatement stmtFragment = epService.getEPAdministrator().createEPL(eplFragment);
stmtFragment.addListener(listener);
LambdaAssertionUtil.assertTypes(stmtFragment.getEventType(), fields, new Class[]{Collection.class, Collection.class, Collection.class, Collection.class, Collection.class, Collection.class});
epService.getEPRuntime().sendEvent(SupportBean_ST0_Container.make2Value("E1,1", "E2,2"));
LambdaAssertionUtil.assertST0Id(listener, "val0", "E1,E2");
LambdaAssertionUtil.assertST0Id(listener, "val1", "E2,E1");
LambdaAssertionUtil.assertST0Id(listener, "val2", "E1,E2");
LambdaAssertionUtil.assertST0Id(listener, "val3", "E2,E1");
LambdaAssertionUtil.assertST0Id(listener, "val4", "E1,E2");
LambdaAssertionUtil.assertST0Id(listener, "val5", "E1,E2");
listener.reset();
epService.getEPRuntime().sendEvent(SupportBean_ST0_Container.make2Value("E3,1", "E2,2", "E4,1", "E1,2"));
LambdaAssertionUtil.assertST0Id(listener, "val0", "E3,E4,E2,E1");
LambdaAssertionUtil.assertST0Id(listener, "val1", "E2,E1,E3,E4");
LambdaAssertionUtil.assertST0Id(listener, "val2", "E3,E2,E4,E1");
LambdaAssertionUtil.assertST0Id(listener, "val3", "E2,E1,E3,E4");
LambdaAssertionUtil.assertST0Id(listener, "val4", "E3,E4,E2,E1");
LambdaAssertionUtil.assertST0Id(listener, "val5", "E3,E2,E4,E1");
listener.reset();
epService.getEPRuntime().sendEvent(SupportBean_ST0_Container.make2Value(null));
for (String field : fields) {
LambdaAssertionUtil.assertST0Id(listener, field, null);
}
listener.reset();
epService.getEPRuntime().sendEvent(SupportBean_ST0_Container.make2Value());
for (String field : fields) {
LambdaAssertionUtil.assertST0Id(listener, field, "");
}
listener.reset();
}
public void testOrderByScalar() {
String[] fields = "val0,val1".split(",");
String eplFragment = "select " +
"strvals.orderBy() as val0, " +
"strvals.orderByDesc() as val1 " +
"from SupportCollection";
EPStatement stmtFragment = epService.getEPAdministrator().createEPL(eplFragment);
stmtFragment.addListener(listener);
LambdaAssertionUtil.assertTypes(stmtFragment.getEventType(), fields, new Class[]{Collection.class, Collection.class});
epService.getEPRuntime().sendEvent(SupportCollection.makeString("E2,E1,E5,E4"));
LambdaAssertionUtil.assertValuesArrayScalar(listener, "val0", "E1", "E2", "E4", "E5");
LambdaAssertionUtil.assertValuesArrayScalar(listener, "val1", "E5", "E4", "E2", "E1");
listener.reset();
LambdaAssertionUtil.assertSingleAndEmptySupportColl(epService, listener, fields);
stmtFragment.destroy();
// test scalar-coll with lambda
epService.getEPAdministrator().getConfiguration().addPlugInSingleRowFunction("extractNum", TestEnumMinMax.MyService.class.getName(), "extractNum");
String eplLambda = "select " +
"strvals.orderBy(v => extractNum(v)) as val0, " +
"strvals.orderByDesc(v => extractNum(v)) as val1 " +
"from SupportCollection";
EPStatement stmtLambda = epService.getEPAdministrator().createEPL(eplLambda);
stmtLambda.addListener(listener);
LambdaAssertionUtil.assertTypes(stmtLambda.getEventType(), fields, new Class[]{Collection.class, Collection.class});
epService.getEPRuntime().sendEvent(SupportCollection.makeString("E2,E1,E5,E4"));
LambdaAssertionUtil.assertValuesArrayScalar(listener, "val0", "E1", "E2", "E4", "E5");
LambdaAssertionUtil.assertValuesArrayScalar(listener, "val1", "E5", "E4", "E2", "E1");
listener.reset();
LambdaAssertionUtil.assertSingleAndEmptySupportColl(epService, listener, fields);
}
public void testInvalid() {
String epl;
epl = "select contained.orderBy() from Bean";
tryInvalid(epl, "Error starting statement: Failed to validate select-clause expression 'contained.orderBy()': Invalid input for built-in enumeration method 'orderBy' and 0-parameter footprint, expecting collection of values (typically scalar values) as input, received collection of events of type '" + SupportBean_ST0.class.getName() + "' [select contained.orderBy() from Bean]");
}
private void tryInvalid(String epl, String message) {
try
{
epService.getEPAdministrator().createEPL(epl);
fail();
}
catch (EPStatementException ex) {
assertEquals(message, ex.getMessage());
}
}
}