/**
 * Copyright 1996-2014 FoxBPM Co.,Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 * @author kenshin
 */
package org.foxbpm.engine.runtime;

import java.util.Date;

/**
 * @author kenshin
 * 
 */
public interface Token {

	/**
	 * 获取令牌号
	 * @return
	 */
	String getId();

	/**
	 * 获取流程实例编号
	 * @return
	 */
	String getProcessInstanceId();

	/**
	 * 获取当前节点号
	 * @return
	 */
	String getNodeId();

	/**
	 * 获取当前节点进入时间
	 * @return
	 */
	Date getNodeEnterTime();

	/**
	 * 获取父令牌节点，如果没有则返回null
	 * @return
	 */
	String getParentId();
	
	/**
	 * 是否被暂停
	 * @return
	 */
	boolean isSuspended();
	
	/**
	 * 是否已结束
	 * @return
	 */
	boolean isEnded();

}