Package org.jbpm.pvm.internal.history.events

Source Code of org.jbpm.pvm.internal.history.events.TaskDelete

/*
* 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.history.events;

import org.jbpm.api.JbpmException;
import org.jbpm.pvm.internal.env.Environment;
import org.jbpm.pvm.internal.history.model.HistoryActivityInstanceImpl;
import org.jbpm.pvm.internal.history.model.HistoryTaskImpl;
import org.jbpm.pvm.internal.history.model.HistoryTaskInstanceImpl;
import org.jbpm.pvm.internal.session.DbSession;
import org.jbpm.pvm.internal.task.TaskImpl;
import org.jbpm.pvm.internal.util.Clock;


/**
* @author Tom Baeyens
*/
public class TaskDelete extends ActivityEnd {

  private static final long serialVersionUID = 1L;

  protected TaskImpl task;
  protected String reason;
 
  public TaskDelete(TaskImpl task, String reason) {
    if (task.getExecution()!=null) {
      throw new JbpmException("tasks related to an execution must be completed. they cannot just be deleted");
    }
     
    this.task = task;
    this.reason = reason;
  }

  protected void updateHistoryActivityInstance(HistoryActivityInstanceImpl historyActivityInstance) {
    super.updateHistoryActivityInstance(historyActivityInstance);

    DbSession dbSession = Environment.getFromCurrent(DbSession.class);
    HistoryTaskImpl historyTask = (HistoryTaskImpl) dbSession.get(HistoryTaskImpl.class, task.getDbid());
    historyTask.setState(reason);
    historyTask.setEndTime(Clock.getCurrentTime());
  }

  protected Class<? extends HistoryActivityInstanceImpl> getHistoryActivityInstanceClass() {
    return HistoryTaskInstanceImpl.class;
  }
}
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