transitionimpl.java

一个java工作流引擎

package org.jbpm.model.definition.impl;

import org.jbpm.*;
import org.jbpm.model.definition.*;
import org.jbpm.model.execution.impl.*;

public class TransitionImpl extends ElementImpl implements Transition {

	public TransitionImpl() {}

  public TransitionImpl(String name) {
		super( name );
	}

  private NodeImpl from = null;
  private NodeImpl to = null;
  
  public Node getFrom() { return this.from; }
  public void setFrom(NodeImpl from) { this.from = from; }

  public Node getTo() { return this.to; }
  public void setTo(NodeImpl to) { this.to = to; }

  public EventType getDefaultEventType() {
    return EventType.TRANSITION;
  }

  public void acceptToken( ExecutionContextImpl executionContext ) throws ExecutionException {
    executeActions( EventType.TRANSITION, executionContext );
    executionContext.setNode( to );
    to.acceptToken( executionContext );
  }
  
  public String toString() {
    return "transition["+(from!=null?from.getName():"null")+"|"+(to!=null?to.getName():"null")+"]"; 
  }

  public void toXml(org.dom4j.Element element) {
    toXmlNameAndDescription( element );
    element.addAttribute( "to", to.getName() );
    toXmlActions( element );
  }
}