/**
* Copyright 2007-2008 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.kernel.impl;
import java.util.ArrayList;
import java.util.List;
import org.fireflow.kernel.ILoopInstance;
import org.fireflow.kernel.INodeInstance;
import org.fireflow.kernel.ITransitionInstance;
import org.fireflow.kernel.KernelException;
import org.fireflow.kernel.event.INodeInstanceEventListener;
import org.fireflow.kernel.event.NodeInstanceEvent;
import org.fireflow.kernel.plugin.IPlugable;
/**
* @author chennieyun
*
*/
public abstract class AbstractNodeInstance implements INodeInstance,IPlugable {
protected transient List<ITransitionInstance> leavingTransitionInstances = new ArrayList<ITransitionInstance>();
protected transient List<ITransitionInstance> enteringTransitionInstances = new ArrayList<ITransitionInstance>();
protected transient List<INodeInstanceEventListener> eventListeners = new ArrayList<INodeInstanceEventListener>();
protected transient List<ILoopInstance> leavingLoopInstances = new ArrayList<ILoopInstance>();
protected transient List<ILoopInstance> enteringLoopInstances = new ArrayList<ILoopInstance>();
/* (non-Javadoc)
* @see org.fireflow.kenel.INodeInstance#addLeavingTransitionInstance(org.fireflow.kenel.ITransitionInstance)
*/
public void addLeavingTransitionInstance(
ITransitionInstance transitionInstance) {
leavingTransitionInstances.add(transitionInstance);
}
public List<ITransitionInstance> getLeavingTransitionInstances(){
return this.leavingTransitionInstances;
}
public List<ITransitionInstance> getEnteringTransitionInstances(){
return this.enteringTransitionInstances;
}
public void addEnteringTransitionInstance(ITransitionInstance transitionInstance){
this.enteringTransitionInstances.add(transitionInstance);
}
public void addLeavingLoopInstance(
ILoopInstance loopInstance) {
leavingLoopInstances.add(loopInstance);
}
public List<ILoopInstance> getLeavingLoopInstances() {
return this.leavingLoopInstances;
}
public List<ILoopInstance> getEnteringLoopInstances() {
return this.enteringLoopInstances;
}
public void addEnteringLoopInstance(ILoopInstance loopInstance) {
this.enteringLoopInstances.add(loopInstance);
}
//TODO 此处是addAll还是直接替换？
public void setEventListeners(List<INodeInstanceEventListener> listeners){
eventListeners.addAll(listeners);
}
public List<INodeInstanceEventListener> getEventListeners(){
return eventListeners;
}
/**
* wangmj 20090914 增加统一的触发方法，实现类中根据事件的不同而进行触发
* @param event
* @throws KernelException
*/
public void fireNodeEvent(NodeInstanceEvent event) throws KernelException{
for (int i=0;i<this.eventListeners.size();i++){
INodeInstanceEventListener listener = this.eventListeners.get(i);
listener.onNodeInstanceEventFired(event);
}
}
}