knowledgebaseplusattachment.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

package org.mandarax.zkb;
/*
 * 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
 */

import org.mandarax.kernel.KnowledgeBase;
 
/**
 * Simple data structure consisting of a knowledge base plus an additional object, the "attachment". 
 * ZKB allows to save additional objects with the knowledge base. In case there are indeed many attachments,
 * use a container (e.g. a map) to wrap them as one object.
 * @author <A href="http://www-ist.massey.ac.nz/JBDietrich" target="_top">Jens Dietrich</A>
 * @version 3.4 <7 March 05>
 * @since 2.2
 */
public class KnowledgeBasePlusAttachment {
	private Object attachment = null;
	private KnowledgeBase kb = null;
	/**
	 * Constructor.
	 * @param kb the knowledge base
	 * @param attachment the attachment
	 */
	public KnowledgeBasePlusAttachment(KnowledgeBase kb,Object attachment) {
		super();
		this.kb = kb;
		this.attachment = attachment;
	}

	/**
	 * Returns the attachment.
	 * @return an object
	 */
	public Object getAttachment() {
		return attachment;
	}

	/**
	 * Returns the kb.
	 * @return a knowledge base
	 */
	public KnowledgeBase getKB() {
		return kb;
	}

}