STEER/AliTriggerBCMask.cxx

   1 /**************************************************************************
   2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   3  *                                                                        *
   4  * Author: The ALICE Off-line Project.                                    *
   5  * Contributors are mentioned in the code where appropriate.              *
   6  *                                                                        *
   7  * Permission to use, copy, modify and distribute this software and its   *
   8  * documentation strictly for non-commercial purposes is hereby granted   *
   9  * without fee, provided that the above copyright notice appears in all   *
  10  * copies and that both the copyright notice and this permission notice   *
  11  * appear in the supporting documentation. The authors make no claims     *
  12  * about the suitability of this software for any purpose. It is          *
  13  * provided "as is" without express or implied warranty.                  *
  14  **************************************************************************/
  15
  16 ///////////////////////////////////////////////////////////////////////////////
  17 //
  18 // This class which defines the trigger bunch-crossing mask
  19 //
  20 //
  21 ///////////////////////////////////////////////////////////////////////////////
  22
  23 #include "AliTriggerBCMask.h"
  24
  25 ClassImp(AliTriggerBCMask)
  26
  27 //_____________________________________________________________________________
  28 AliTriggerBCMask::AliTriggerBCMask():
  29   TNamed()
  30 {
  31   // Default constructor
  32   for (Int_t i = 0; i < kNBytesPerBCMask; i++) fBCMask[i] = 0;
  33 }
  34
  35 //_____________________________________________________________________________
  36 AliTriggerBCMask::AliTriggerMask( TString & name, UChar_t *mask ):
  37   TNamed( name, name )
  38 {
  39   // Constructor
  40   for (Int_t i = 0; i < kNBytesPerBCMask; i++) fBCMask[i] = mask[i];
  41 }
  42 //_____________________________________________________________________________
  43 AliTriggerBCMask::~AliTriggerBCMask()
  44 {
  45   // Destructor
  46 }
  47 //_____________________________________________________________________________
  48 AliTriggerBCMask::AliTriggerBCMask( const AliTriggerBCMask& mask ):
  49   TNamed( mask ),
  50 {
  51    // Copy constructor
  52   for (Int_t i = 0; i < kNBytesPerBCMask; i++) fBCMask[i] = mask.fBCMask[i];
  53 }
  54
  55 //______________________________________________________________________________
  56 AliTriggerBCMask& AliTriggerBCMask::operator=(const AliTriggerBCMask& mask)
  57 {
  58    // AliTriggerBCMask assignment operator.
  59
  60    if (this != &mask) {
  61       TNamed::operator=(mask);
  62       for (Int_t i = 0; i < kNBytesPerBCMask; i++) fBCMask[i] = mask.fBCMask[i];
  63    }
  64    return *this;
  65 }
  66
  67 //_____________________________________________________________________________
  68 Bool_t AliTriggerBCMask::GetMask( UShort_t index)
  69 {
  70   // Return true or false whenever the mask is active
  71   // for the bunch-crossing # = index
  72   UShort_t position = index/8;
  73   if (position >= kNBytesPerBCMask) return kFALSE;
  74   UChar_t offset = index%8;
  75   return (fBCMask[position] & (0x1 << offset));
  76 }