itransitioninstance.java

Fire-Workflow-Engine-All-In-One-20090208 包含全部文档

/**
 * Copyright 2004-2008 陈乜云（非也,Chen Nieyun）
 * All rights reserved. 
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation。
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see http://www.gnu.org/licenses. *
 */
package org.fireflow.kenel;

import org.fireflow.model.net.Transition;

/**
 * @author chennieyun
 *
 */
public interface ITransitionInstance {
	public String getId();
	/**
	 * 弧的权
	 * @return
	 */
	public int getWeight();
//	public void setWeight(int i);
	
	
	public INodeInstance getLeavingNodeInstance();
	
	public void setLeavingNodeInstance(INodeInstance nodeInst);
	
	public INodeInstance getEnteringNodeInstance();
	
	public void setEnteringNodeInstance(INodeInstance nodeInst);
	

        /**
         * 接受一个token，并移交给下一个节点
         * @param token
         * @return 返回值是该transition计算出的token的alive值
         * @throws org.fireflow.kenel.KenelException
         */
	public boolean take(IToken token)throws KenelException;
	
	public Transition getTransition();
}