package org.drools.reteoo;
/*
* $Id: SchedulerTest.java,v 1.5 2005/02/04 02:13:37 mproctor Exp $
*
* Copyright 2001-2003 (C) The Werken Company. All Rights Reserved.
*
* Redistribution and use of this software and associated documentation
* ("Software"), with or without modification, are permitted provided that the
* following conditions are met:
*
* 1. Redistributions of source code must retain copyright statements and
* notices. Redistributions must also contain a copy of this document.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
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* 3. The name "drools" must not be used to endorse or promote products derived
* from this Software without prior written permission of The Werken Company.
* For written permission, please contact bob@werken.com.
*
* 4. Products derived from this Software may not be called "drools" nor may
* "drools" appear in their names without prior written permission of The Werken
* Company. "drools" is a trademark of The Werken Company.
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* 5. Due credit should be given to The Werken Company. (http://werken.com/)
*
* THIS SOFTWARE IS PROVIDED BY THE WERKEN COMPANY AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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import java.util.HashMap;
import java.util.Map;
import org.drools.DroolsTestCase;
import org.drools.RuleBase;
import org.drools.WorkingMemory;
import org.drools.rule.FixedDuration;
import org.drools.rule.Rule;
import org.drools.spi.AsyncExceptionHandler;
import org.drools.spi.ConsequenceException;
import org.drools.spi.MockObjectType;
/**
* @author mproctor
*/
public class SchedulerTest extends DroolsTestCase
{
public void testScheduledActivation() throws Exception
{
RuleBase ruleBase = new RuleBaseImpl( new Rete( ) );
WorkingMemoryImpl workingMemory = (WorkingMemoryImpl) ruleBase.newWorkingMemory( );
final Scheduler scheduler = Scheduler.getInstance( );
final Rule rule = new Rule( "test-rule" );
final Map data = new HashMap( );
rule.addParameterDeclaration( "paramVar",
new MockObjectType( true ) );
// add consequence
rule.setConsequence( new org.drools.spi.Consequence( )
{
public void invoke(org.drools.spi.Tuple tuple)
{
data.put( "tested",
"yes" );
}
} );
// add condition
rule.addCondition( new org.drools.spi.InstrumentedCondition( ) );
rule.setDuration( new FixedDuration( 1 ) );
ReteTuple tuple = new ReteTuple( workingMemory );
AgendaItem item = new AgendaItem( tuple,
rule );
assertNull( data.get( "tested" ) );
// Schedule is for 1 second
scheduler.scheduleAgendaItem( item,
workingMemory );
// sleep for 2 seconds
Thread.sleep( 2000 );
// now check for update
assertEquals( "yes",
data.get( "tested" ) );
}
public void testExceptionHandler() throws Exception
{
RuleBase ruleBase = new RuleBaseImpl( new Rete( ) );
WorkingMemoryImpl workingMemory = (WorkingMemoryImpl) ruleBase.newWorkingMemory( );
final Scheduler scheduler = Scheduler.getInstance( );
final Rule rule = new Rule( "test-rule" );
rule.addParameterDeclaration( "paramVar",
new MockObjectType( true ) );
// add consequence
rule.setConsequence( new org.drools.spi.Consequence( )
{
public void invoke(org.drools.spi.Tuple tuple) throws ConsequenceException
{
throw new ConsequenceException( "not enough cheese",
rule );
}
} );
// add condition
rule.addCondition( new org.drools.spi.InstrumentedCondition( ) );
rule.setDuration( new FixedDuration( 1 ) );
ReteTuple tuple = new ReteTuple( workingMemory );
AgendaItem item = new AgendaItem( tuple,
rule );
final Map data = new HashMap( );
AsyncExceptionHandler handler = new AsyncExceptionHandler( )
{
public void handleException(WorkingMemory workingMemory,
ConsequenceException exception)
{
data.put( "tested",
"yes" );
}
};
workingMemory.setAsyncExceptionHandler( handler );
assertNull( data.get( "tested" ) );
// Schedule is for 1 second
scheduler.scheduleAgendaItem( item,
workingMemory );
// sleep for 2 seconds
Thread.sleep( 2000 );
// now check for update
assertEquals( "yes",
data.get( "tested" ) );
}
}