instrumentedagenda.java

drools 一个开放源码的规则引擎

package org.drools.reteoo;

/*
 * $Id: InstrumentedAgenda.java,v 1.7 2005/05/08 04:05:13 dbarnett Exp $
 *
 * Copyright 2003-2005 (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.
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 * from this Software without prior written permission of The Werken Company.
 * For written permission, please contact [e-mail].
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 * "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
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import java.util.ArrayList;
import java.util.List;

import org.drools.rule.Rule;
import org.drools.spi.ConflictResolver;

public class InstrumentedAgenda extends Agenda
{
    private List added;

    private List removed;

    private List modified;

    public InstrumentedAgenda(WorkingMemoryImpl workingMemory,
                              ConflictResolver conflictResolver)
    {
        super( workingMemory, conflictResolver );

        this.added = new ArrayList( );
        this.removed = new ArrayList( );
        this.modified = new ArrayList( );
    }

    public List getAdded()
    {
        return this.added;
    }

    public List getRemoved()
    {
        return this.removed;
    }

    public List getModified()
    {
        return this.modified;
    }

    public void addToAgenda(ReteTuple tuple, Rule rule)
    {
        this.added.add( tuple );
        super.addToAgenda( tuple, rule );
    }

    public void removeFromAgenda(TupleKey key, Rule rule)
    {
        this.removed.add( key );
        super.removeFromAgenda( key, rule );
    }
}