testclausesetevents.java

Mandarax是一个规则引擎的纯Java实现。它支持多类型的事实和基于反映的规则

/*
 * Copyright (C) 1999-2004 <A href="http://www-ist.massey.ac.nz/JBDietrich" target="_top">Jens Dietrich</a>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package test.org.mandarax.reference;


import org.mandarax.kernel.ClauseSetChangeEvent;
import org.mandarax.kernel.ClauseSetChangeListener;

/**
 * An abstract test case class to whether clause sets fire the appropriate events
 * and register / unregister listeners.
 * @author <A href="http://www-ist.massey.ac.nz/JBDietrich" target="_top">Jens Dietrich</A>
 * @version 3.4 <7 March 05>
 * @since 1.1
 */
public abstract class TestClauseSetEvents extends MandaraxTestCase {

    // Event listener
    public class EventHandler implements ClauseSetChangeListener {

        public java.util.Stack handledEvents = new java.util.Stack ();

        /**
         * Handle a clause set change event.
         * @param e org.mandarax.kernel.ClauseSetChangeEvent
         */
        public void clauseSetChanged(ClauseSetChangeEvent e) {
            handledEvents.push (e);
        }
    }
    ;

    /**
     * Constructor.
     */
    public TestClauseSetEvents() {
        super ("testEvent");
    }

    /**
     * Run the test.
     */
    public abstract void testEvent();
    ;
}