package org.drools.examples.benchmarks.manners;
/*
* $Id: MannersWMEL.java,v 1.1 2004/12/15 03:31:26 dbarnett Exp $
*
* Copyright 2004 (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,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 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 registered trademark of The Werken Company.
*
* 5. Due credit should be given to The Werken Company.
* (http://drools.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
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE WERKEN COMPANY OR ITS CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
import java.util.HashSet;
import java.util.Set;
import org.drools.event.DefaultWorkingMemoryEventListener;
import org.drools.event.ObjectAssertedEvent;
import org.drools.examples.benchmarks.manners.model.Chosen;
import org.drools.examples.benchmarks.manners.model.Path;
/**
* A <code>WorkingMemoryEventListener</code> used to simulate "not"
* functionality not currently supported by Drools.
*/
public class MannersWMEL extends DefaultWorkingMemoryEventListener
{
/**
* The <code>Set</code> of <code>Path</code> objects
* asserted into the <code>WorkingMemory</code>.
*/
private static Set pathSet = new HashSet( 512 );
/**
* The <code>Set</code> of <code>Chosen</code> objects
* asserted into the <code>WorkingMemory</code>.
*/
private static Set chosenSet = new HashSet( 512 );
/**
* Keeps track of asserted <code>Path</code>
* and <code>Chosen</code> objects.
*/
public void objectAsserted( ObjectAssertedEvent event )
{
Object object = event.getObject( );
if ( object instanceof Path )
{
Path path = ( Path ) object;
pathSet.add( path.getId( ) + ':' + path.getName( ) );
}
else if ( object instanceof Chosen )
{
Chosen chosen = ( Chosen ) object;
chosenSet.add( chosen.getId( ) + ':' + chosen.getName( ) + ':' + chosen.getHobby( ) );
}
}
/**
* Returns <code>true</code> if a <code>Path</code>
* with the given id and name has already been asserted.
*/
public static boolean pathExists( int id, String name )
{
return pathSet.contains( id + ':' + name );
}
/**
* Returns <code>true</code> if a <code>Chosen</code>
* with the given id, name, and hobby has already been asserted.
*/
public static boolean chosenExists( int id, String name, String hobby )
{
return chosenSet.contains( id + ':' + name + ':' + hobby );
}
}