/*
* *************************************************************************************
* 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.client;
import com.espertech.esper.client.scopetest.SupportUpdateListener;
import junit.framework.TestCase;
import com.espertech.esper.client.*;
import com.espertech.esper.support.bean.SupportBean;
import com.espertech.esper.support.client.SupportConfigFactory;
public class TestPatternGuardPlugIn extends TestCase
{
private EPServiceProvider epService;
private SupportUpdateListener listener;
public void setUp()
{
Configuration configuration = SupportConfigFactory.getConfiguration();
configuration.addPlugInPatternGuard("myplugin", "count_to", MyCountToPatternGuardFactory.class.getName());
configuration.addEventType("Bean", SupportBean.class.getName());
epService = EPServiceProviderManager.getDefaultProvider(configuration);
epService.initialize();
listener = new SupportUpdateListener();
}
public void tearDown() {
listener = null;
}
public void testGuard()
{
String stmtText = "select * from pattern [(every Bean) where myplugin:count_to(10)]";
EPStatement statement = epService.getEPAdministrator().createEPL(stmtText);
statement.addListener(listener);
for (int i = 0; i < 10; i++)
{
epService.getEPRuntime().sendEvent(new SupportBean());
assertTrue(listener.isInvoked());
listener.reset();
}
epService.getEPRuntime().sendEvent(new SupportBean());
assertFalse(listener.isInvoked());
}
public void testGuardVariable()
{
epService.getEPAdministrator().createEPL("create variable int COUNT_TO = 3");
String stmtText = "select * from pattern [(every Bean) where myplugin:count_to(COUNT_TO)]";
EPStatement statement = epService.getEPAdministrator().createEPL(stmtText);
statement.addListener(listener);
for (int i = 0; i < 3; i++)
{
epService.getEPRuntime().sendEvent(new SupportBean());
assertTrue(listener.isInvoked());
listener.reset();
}
epService.getEPRuntime().sendEvent(new SupportBean());
assertFalse(listener.isInvoked());
}
public void testInvalid()
{
try
{
Configuration configuration = SupportConfigFactory.getConfiguration();
configuration.addPlugInPatternGuard("namespace", "name", String.class.getName());
epService = EPServiceProviderManager.getDefaultProvider(configuration);
epService.initialize();
String stmtText = "select * from pattern [every " + SupportBean.class.getName() +
" where namespace:name(10)]";
epService.getEPAdministrator().createEPL(stmtText);
fail();
}
catch (EPStatementException ex)
{
assertEquals("Failed to resolve pattern guard: Error casting guard factory instance to com.espertech.esper.pattern.guard.GuardFactory interface for guard 'name' [select * from pattern [every com.espertech.esper.support.bean.SupportBean where namespace:name(10)]]", ex.getMessage());
}
}
}