consequence.java

rule engine drools-2.0-beta-18

package org.drools.spi;

/*
 * $Id: Consequence.java,v 1.8 2004/11/19 02:14:48 mproctor Exp $
 * 
 * Copyright 2001-2003 (C) The Werken Company. All Rights Reserved.
 * 
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 * ("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].
 * 
 * 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.
 * 
 * 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
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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import org.drools.WorkingMemory;

/**
 * Consequence to be fired upon successful match of a <code>Rule</code>.
 * 
 * @see org.drools.rule.Rule
 * 
 * @author <a href="mailto:[e-mail]">bob mcwhirter </a>
 */
public interface Consequence
    extends
    SemanticComponent
{
    /**
     * Execute the consequence for the supplied matching <code>Tuple</code>.
     * 
     * @param tuple
     *            The matching tuple.
     * @param workingMemory
     *            The working memory session.
     * 
     * @throws ConsequenceException
     *             If an error occurs while attempting to invoke the
     *             consequence.
     */
    void invoke(Tuple tuple,
                WorkingMemory workingMemory) throws ConsequenceException;
}