xworker.flow.ThingFlowNode Maven / Gradle / Ivy

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/*******************************************************************************
* Copyright 2007-2013 See AUTHORS file.
 * 
* 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.
******************************************************************************/
package xworker.flow;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.xmeta.Thing;

/**
 * 流程节点。
 * 
 * @author zyx
 *
 */
public class ThingFlowNode implements Runnable{
	private static Logger log = LoggerFactory.getLogger(ThingFlowNode.class);
	
	Thing flowThing;
	ThingFlow thingFlow;
	
	public ThingFlowNode(ThingFlow thingFlow, Thing flowThing){
		this.thingFlow = thingFlow;
		this.flowThing = flowThing;
	}
	
	public Thing getFlowThing() {
		return flowThing;
	}

	public ThingFlow getThingFlow() {
		return thingFlow;
	}

	public void run(){				
		synchronized(this){ //同步
			try{
				//log.info("" + thingFlow + " " + thingFlow.threads.size());
				thingFlow.invokeNode(this, flowThing);
			}finally{
				thingFlow.threads.remove(this);
				//log.info("" + thingFlow + " " + thingFlow.threads.size());
				thingFlow.checkClose();
			}
		}
	}
}