TaskSchedulerPolicy.hpp

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/*
Copyright 2007, 2008, 2009, 2010, 2011 Instituto de Sistemas e Robotica, Instituto Superior Tecnico

This file is part of MeRMaID.

MeRMaID 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 3 of the License, or
(at your option) any later version.

MeRMaID 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 MeRMaID.  If not, see <http://www.gnu.org/licenses/>.
*/



/**
 * @Filename TaskSchedulerPolicy.hpp
 * @Description This file contains Task comparison function declarations that will decide the Task scheduling policy
 * @Status Work in Progress
 * @Version $Id: TaskSchedulerPolicy.hpp 1 2011-03-04 18:13:18Z jreis $
 * @Maintainer nmsra (nmsra@mega.ist.utl.pt)
 */


#ifndef __ACTIVEOBJECT_TASKSCHEDULERPOLICY_H
#define __ACTIVEOBJECT_TASKSCHEDULERPOLICY_H

#include "Task.hpp"



namespace mermaid
{
  namespace support
  {
    namespace activeobject
    {
    
      using boost::shared_ptr;
      
      /**
      * @Typedef typedef bool(*TaskSchedulerPolicy)(Task*,Task*);
      * @Description Policy function.
      * @Description This function should return true if the first argument should be executed after the Task passed in the second argument.
      * @Author Marco Barbosa + Nelson Ramos
      */
      typedef bool (*TaskSchedulerPolicy) (shared_ptr<Task>, shared_ptr<Task>);
      
      bool earliestFirst (shared_ptr<Task> t1, shared_ptr<Task> t2);
      
    } // namespace activeobject
  } // namespace support
} // namespace mermaid

#endif // __ACTIVEOBJECT_TASKSCHEDULERPOLICIES_H