Package org.jbpm.command

Source Code of org.jbpm.command.TaskInstanceEndCommand

/*
* 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 (bernd.ruecker@camunda.com)
*/
public class TaskInstanceEndCommand extends AbstractBaseCommand
{

  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;
  }

  @Override
  public String getAdditionalToStringInformation()
  {
    return "taskInstanceId=" + taskInstanceId
      + ";transitionName=" + transitionName
      + ";variables=" + variables;
  }   

  // methods for fluent programming

  public TaskInstanceEndCommand taskInstanceId(long taskInstanceId)
  {
    setTaskInstanceId(taskInstanceId);
    return this;
  }

  public TaskInstanceEndCommand transitionName(String transitionName)
  {
    setTransitionName(transitionName);
    return this;
  }

  public TaskInstanceEndCommand variables(Map variables)
  {
    setVariables(variables);
    return this;
  }
}
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