BrEventManager

class description - source file - inheritance tree

class BrEventManager : public TObject


    protected:

      BrEventManager BrEventManager()

    public:

              BrEventManager BrEventManager(BrEventManager&)
              static TClass* Class()
                       Int_t DebugLevel() const
                        void Event(const BrEvent* event)
                       Int_t EventNumber() const
                       Int_t EventType() const
      static BrEventManager* Instance()
             virtual TClass* IsA() const
                      Bool_t IsEvent() const
                      Bool_t IsSyncEvent() const
                       Int_t RunNumber() const
                        void SetDebugLevel(Int_t level)
                virtual void ShowMembers(TMemberInspector& insp, char* parent)
                virtual void Streamer(TBuffer& b)
                        void StreamerNVirtual(TBuffer& b)
                      Bool_t TriggerOn(Int_t trigno) const
                       Int_t TriggerType() const
                       Int_t TriggerWord1() const
                       Int_t TriggerWord2() const

Data Members

    private:

      static BrEventManager* fInstance      Singleton class
                       Int_t fDebugLevel    Debug Flag
                       Int_t fEventType     Current EventType 
                       Int_t fRunNumber     Current RunNumber  
                       Int_t fEventNumber   Current EventNumber  
                       Int_t fTriggerType   Trigger Type
                       Int_t fTime          Time (UNIX time)
                       Int_t fTriggerWord1  Trigger word 1
                       Int_t fTriggerWord2  Trigger word 2
                       Int_t fState         State of Manager 

    public:

      static const BrEventManager::EvStatus_t INIT    
      static const BrEventManager::EvStatus_t READ    
      static const BrEventManager::EvStatus_t FAILED

Class Description

  BrEventManager

  This manager class will assits user module is retrieving general
  event information regardless if a module has access to the EventHeader.


  Sample code:

  The application can load the Manager and keep a global pointer
  accesible via a Brat common application file. It is in fact
  implemented via a Singleton mechanism. This enables us to use both
  the global mechanism as well as the instantons.

  Main application will have
  ---------------------------
  BrEventManager *gEventMgr =
    BrEventManager::Instance();



  The application that reads the Event from DISK EVB etc
  should call the event method for the EventManager i.e.
	  InputFile->Event(event);
	  if(InputFile->Eof()){
	    cout << "End Of Data" << endl;
	    break;
	  }
	  gEventMgr->Event(event);


  The user module should have (either in the Named Constructor
  or in the Init() method.
  ------------------------------------
  BrCalibrationManager *gParamDb =
    BrCalibrationManager::Instance();


  At the time of Event the user code could access information e.g.
  as such
  BrEventManager *gEventMgr =
    BrEventManager::Instance();

  if(gEventMgr->IsEvent()){
    ....
  }
  int evno = gEventMgr->Event();
  if(gEventMgr->TriggerOn(6)){
   // collisions event
   ...
  }

 See also the TestEventManager.cxx in the brat/test directory
____________________________________________________

 Static instance of
 instanton.

BrEventManager()

BrEventManager* Instance()

void Event(const BrEvent* event) // // Extract Event runnumber from current event // and store in local variable. // This allows multiple modules to ask for // current values. //

Inline Functions

                Bool_t IsSyncEvent() const
                Bool_t IsEvent() const
                 Int_t RunNumber() const
                 Int_t EventNumber() const
                 Int_t EventType() const
                 Int_t TriggerType() const
                 Int_t TriggerWord1() const
                 Int_t TriggerWord2() const
                Bool_t TriggerOn(Int_t trigno) const
                 Int_t DebugLevel() const
                  void SetDebugLevel(Int_t level)
               TClass* Class()
               TClass* IsA() const
                  void ShowMembers(TMemberInspector& insp, char* parent)
                  void Streamer(TBuffer& b)
                  void StreamerNVirtual(TBuffer& b)
        BrEventManager BrEventManager(BrEventManager&)

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