taskinstanceendcommand.java

workflow first jbpm

/*
 * 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 java.util.Map;

import org.jbpm.JbpmContext;
import org.jbpm.taskmgmt.exe.TaskInstance;

/**
 * end the task with the given id if variables are given as a map, they are
 * added/changed bevore ending the task
 * 
 * @author ??, Bernd Ruecker ([e-mail])
 */
public class TaskInstanceEndCommand implements Command {

	private static final long serialVersionUID = 5721341060757950369L;

	private long taskInstanceId = 0;

	private String transitionName = null;

	private Map variables;

	private TaskInstance previoustaskInstance = null;

	public TaskInstanceEndCommand() {
	}
	
	public TaskInstanceEndCommand(long taskInstanceId, String transitionName) {
		this.taskInstanceId = taskInstanceId;
		this.transitionName = transitionName;
	}

	public TaskInstanceEndCommand(long taskInstanceId, String transitionName,
			Map variables) {
		this.taskInstanceId = taskInstanceId;
		this.transitionName = transitionName;
		this.variables = variables;
	}

	public Object execute(JbpmContext jbpmContext) {
		TaskInstance taskInstance = getTaskInstance(jbpmContext);

		if (variables != null && variables.size() > 0) {
			taskInstance.getContextInstance().addVariables(variables);
		}

		if (transitionName == null) {
			taskInstance.end();
		} else {
			taskInstance.end(transitionName);
		}
		return taskInstance;
	}

	protected TaskInstance getTaskInstance(JbpmContext jbpmContext) {
		if (previoustaskInstance != null) {
			return previoustaskInstance;
		}
		return jbpmContext.getTaskInstance(taskInstanceId);
	}

	public long getTaskInstanceId() {
		return taskInstanceId;
	}

	public void setTaskInstanceId(long taskInstanceId) {
		this.taskInstanceId = taskInstanceId;
	}

	public String getTransitionName() {
		return transitionName;
	}

	public void setTransitionName(String transitionName) {
		this.transitionName = transitionName;
	}

	public Map getVariables() {
		return variables;
	}

	public void setVariables(Map variables) {
		this.variables = variables;
	}

}