executenodecommand.java

来自「jbpm demo 是一款非常不错的开源工作流,简单易用,适合扩张开发!」· Java 代码 · 共 65 行

/*
 * JBoss, Home of Professional Open Source
 * Copyright 2005, JBoss Inc., and individual contributors as indicated
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.jbpm.command;

import org.jbpm.JbpmContext;
import org.jbpm.JbpmException;
import org.jbpm.graph.def.Node;
import org.jbpm.graph.exe.ExecutionContext;
import org.jbpm.graph.exe.Token;
import org.jbpm.msg.Message;

public class ExecuteNodeCommand extends Message implements Command {

  private static final long serialVersionUID = 1L;
  
  Node node = null;

  public ExecuteNodeCommand() {
  }

  public ExecuteNodeCommand(Node node, Token token) {
    this.node = node;
    this.token = token;
    this.destination = Command.DEFAULT_CMD_DESTINATION;
  }

  public ExecuteNodeCommand(ExecuteNodeCommand other) {
    this.node = other.node;
    this.token = other.token;
    this.destination = other.destination; 
  }

  public void execute() {
    if (! node.equals(token.getNode())) {
      throw new JbpmException("couldn't continue execution for '"+token+"', token moved");
    }
    ExecutionContext executionContext = new ExecutionContext(token);
    node.execute(executionContext);
    
    JbpmContext jbpmContext = JbpmContext.getCurrentJbpmContext();
    if (jbpmContext!=null) {
      jbpmContext.save(token);
    }
  }
}