Package org.jbpm.pvm.internal.cmd

Source Code of org.jbpm.pvm.internal.cmd.SaveTaskCmd

/*
* 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.pvm.internal.cmd;

import org.jbpm.pvm.internal.env.Environment;
import org.jbpm.pvm.internal.history.HistoryEvent;
import org.jbpm.pvm.internal.history.HistorySession;
import org.jbpm.pvm.internal.history.events.TaskCreated;
import org.jbpm.pvm.internal.history.events.TaskUpdated;
import org.jbpm.pvm.internal.session.DbSession;
import org.jbpm.pvm.internal.task.TaskImpl;

/**
* @author Tom Baeyens
* @author Alejandro Guizar
*/
public class SaveTaskCmd extends AbstractCommand<String> {

  private static final long serialVersionUID = 1L;
 
  protected TaskImpl task;

  public SaveTaskCmd(TaskImpl task) {
    this.task = task;
  }

  public String execute(Environment environment) throws Exception {
    DbSession dbSession = environment.get(DbSession.class);

    if (task.isNew()) {
      if (task.getSuperTaskDbid()!=null) {
        TaskImpl parentTask = (TaskImpl) dbSession.get(TaskImpl.class, task.getSuperTaskDbid());
        parentTask.addSubTask(task);
        task.setSuperTaskDbid(null);
      }
     
      dbSession.save(task);
     
      HistoryEvent.fire(new TaskCreated(task));

    } else {
      dbSession.update(task);

      HistoryEvent.fire(new TaskUpdated(task));
    }

    return task.getId();
  }
}
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