---

model/SPrecBroker.h

Go to the documentation of this file.

/* #start# ***********************************************************

           Scheduling Simulator
        Lehrstuhl f"ur Effiziente Algorithmen
           Technische Universit"at M"unchen

 File    : $Id: SPrecBroker.h,v 1.4 2003/01/08 18:57:12 meierb Exp $

 Purpose : precedence relations must be retrieved via this class.
           the broker knows how the prec.rel. is represented and
           generates a filter if a different representation is
           requested

 RCS-Log:
 $Log: SPrecBroker.h,v $
 Revision 1.4  2003/01/08 18:57:12  meierb
 added randomized release times

 Revision 1.1.1.1  2002/12/02 22:26:19  meierb
 my_schedule

 Revision 1.2  2002/11/11 16:52:52  taeubig
 header include changes

 Revision 1.1  2002/08/29 12:59:58  taeubig
 Added the sources

 Revision 1.16  2001/05/16 13:19:57  taeubig
 QT headers are included last because of "slots" conflict

 Revision 1.15  2000/01/17 13:17:35  zoidl
 added javadoc comments

 Revision 1.14  1999/10/13 14:42:53  zoidl
 added getTypeOfMaster() to enable check whether there is a prec
 relation or not

 Revision 1.13  1999/10/07 15:57:21  hall
 TaskSystem in PrecBroker isn't const anymore

 Revision 1.12  1999/08/05 08:48:08  schickin
 purpose of important classes noted in the header-files

 Revision 1.11  1999/06/17 16:34:40  hall
 STopology changed, tuned STSysSchedEvent-stuff and lost more!

 Revision 1.10  1999/04/27 13:39:30  schickin
 well folks, that's the first demo version that really runs 8-)

 Revision 1.9  1999/03/29 12:48:57  schickin
 design of modifiers changed (SFooMod is now a member of SFoo). the stuff
 compiles and a simple test program runs fine.

 Revision 1.8  1999/03/25 14:12:49  schickin
 several changes in /model (no real executable yet)

 Revision 1.7  1999/03/23 14:26:48  schickin
 a lot of new code in /model: things compile but have no functionality

 Revision 1.6  1999/02/12 11:55:47  hall
 impl. SEnvironment slice

 Revision 1.5  1999/02/10 10:50:46  schickin
 main loop for simulation added

 Revision 1.4  1999/02/09 11:45:17  hall
 nc

 Revision 1.3  1999/01/29 10:03:45  schickin
 Project-Headers added.


 * #end# ************************************************************* */

#ifndef SPRECBROKER_H
#define SPRECBROKER_H

// system header files

// project header files
#include "SPrecDAGInt.h"
#include "SPrecRelation.h"
#include "SPrecIntervalInt.h"
#include "../general/SObservable.h"
#include "../general/SObserver.h"

// we use only a forward declaration of SPrecBrokerMod here (against the
// usual convention) because in SPrecBrokerMod.h SPrecBroker.h has to be
// included. 
class SPrecBrokerMod;

class SPrecBroker {
  friend class SPrecBrokerMod;
  NOCOPY(SPrecBroker);
public:
  SPrecBroker(STaskSystem &ts);
  virtual ~SPrecBroker();

  //used as index for _isConstructed and _pPrecRelations !
  enum PrecType {NONE = -1, PRECDAG = 0, PRECINTERVAL = 1};  
  
  SPrecRelation& getMaster();
  const SPrecRelation& getMaster() const;
  
  const PrecType getTypeOfMaster() const;
  
  SPrecIntervalInt& getInterval()
    { return (SPrecIntervalInt&) getPrec(PRECINTERVAL); };

  SPrecDAGInt& getDAG()
    { return (SPrecDAGInt&) getPrec(PRECDAG); };

  virtual SPrecBrokerMod& getModifier()
    { return *_pMod; };

private:
  enum { NUMOFRELATIONS = 2 };
  
  int _typeOfMaster;
  bool _isConstructed[NUMOFRELATIONS];
  SPrecRelation *_pPrecRelations[NUMOFRELATIONS];
  SPrecBrokerMod *_pMod;
  
  STaskSystem* _pTaskSys; // can't be const because of precDag.getJob(..)

  // internal member functions

  SPrecRelation& getPrec(PrecType type);
};
  

#endif //SPRECBROKER_H

---