Line data    Source code

       1             : #ifndef ALITRIGDEVICE_H
       2             : #define ALITRIGDEVICE_H
       3             : /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
       4             :  * See cxx source for full Copyright notice                               */
       5             : 
       6             : /* $Id$ */
       7             : // Author: Andrei Gheata, 27/07/2009
       8             : 
       9             : //==============================================================================
      10             : //   AliTrigDevice - Base class for a generic device.
      11             : //==============================================================================
      12             : 
      13             : #ifndef ROOT_TNamed
      14             : #include "TNamed.h"
      15             : #endif
      16             : 
      17             : class AliTrigEvent;
      18             : class AliTrigScheduler;
      19             : class AliTrigScheduledResponse;
      20             : 
      21             : class AliTrigDevice : public TNamed {
      22             : 
      23             : private:
      24             :   AliTrigDevice(const AliTrigDevice &other);
      25             :   AliTrigDevice &operator=(const AliTrigDevice &other);
      26             : 
      27             : public:
      28             :   AliTrigDevice();
      29             :   AliTrigDevice(const char *name, Int_t ninputs, Int_t noutputs);
      30             :   virtual ~AliTrigDevice();
      31             : 
      32             :   virtual void              AddDevice(AliTrigDevice *other);
      33             :   Int_t                     GetNcomponents() const;
      34             :   AliTrigDevice            *GetComponent(Int_t n);
      35             :   AliTrigScheduledResponse *GetResponseFunction(const char *name);
      36           0 :   AliTrigScheduler         *GetScheduler() const {return fScheduler;}
      37             :   
      38             :   //____________________________________________________________________________
      39             :   // Device creation method to be implemented by derived classes. The response
      40             :   // functions are registered here. Connections between component devices should
      41             :   // also be handled in this method.
      42           0 :   virtual Bool_t            CreateDevice() {return kTRUE;}
      43             :   //____________________________________________________________________________
      44             :   // Connectivity to other devices. The method will create a connector between
      45             :   // an output of this device to one input of the other.
      46           0 :   virtual Bool_t            Connect(Int_t /*output*/, AliTrigDevice */*other*/, Int_t /*at_input*/) {return kTRUE;}
      47             : 
      48             :   //____________________________________________________________________________
      49             :   // Response functions to be implemented by specific devices. Has to propagate
      50             :   // the response to all connected devices. Representing the output #n of the device.
      51             :   virtual Bool_t            Response(Int_t output = 0) = 0;
      52             : 
      53             :   //____________________________________________________________________________
      54             :   // Create the response functions of the device.
      55             :   // The delay argument is in arbitrary time units with respect to the startup
      56             :   // reference. Note that the created scheduled entry must be registered to the
      57             :   // device scheduler via: fDevice->AddScheduledEntry() method
      58             :   AliTrigScheduledResponse *RegisterResponseFunction(const char *name, Int_t output, Int_t delay);
      59             : 
      60             :   //____________________________________________________________________________
      61             :   // Setting the value for a given input for digital devices of general ones
      62             :   // that are handling generic signals.
      63           0 :   virtual const char       *GetOutputType(Int_t /*output*/) {return 0;}
      64             :   virtual Bool_t            SetInputType(Int_t input, const char *classname) = 0;
      65             :   virtual Bool_t            SetInputValue(Int_t input, Bool_t value) = 0;
      66             :   virtual Bool_t            SetInputValue(Int_t input, AliTrigEvent *event) = 0;
      67             : 
      68             :   //____________________________________________________________________________
      69             :   // Device-dependent inputs reset method
      70             :   virtual void              ResetInputs() = 0;
      71             : 
      72           0 :   void                      SetNinputs(Int_t ninputs)   {fNinputs = ninputs;}
      73           0 :   void                      SetNoutputs(Int_t noutputs) {fNoutputs = noutputs;}
      74           0 :   Int_t                     GetNinputs() const {return fNinputs;}
      75           0 :   Int_t                     GetNoutputs() const {return fNoutputs;}
      76             :    
      77             : protected:
      78             :   Int_t                     fNinputs;            // Number of inputs
      79             :   Int_t                     fNoutputs;           // Number of outputs
      80             :   AliTrigScheduler         *fScheduler;         // Device scheduler
      81             :   TObjArray                *fComponents;        // Component devices
      82             :   TObjArray                *fResponseFunctions; // List of response functions
      83             :    
      84          12 :   ClassDef(AliTrigDevice,1)  // Base class for trigger devices
      85             : };
      86             : #endif