TRD/AliTRDCommonParam.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 /* $Id$ */
  17
  18 ///////////////////////////////////////////////////////////////////////////////
  19 //                                                                           //
  20 // Class containing constant common parameters                               //
  21 //                                                                           //
  22 // Request an instance with AliTRDCommonParam::Instance()                    //
  23 // Then request the needed values                                            //
  24 //                                                                           //
  25 ///////////////////////////////////////////////////////////////////////////////
  26
  27 #include <TObjArray.h>
  28
  29 #include "AliTracker.h"
  30 #include "AliRun.h"
  31
  32 #include "AliTRDCommonParam.h"
  33
  34 ClassImp(AliTRDCommonParam)
  35
  36 AliTRDCommonParam *AliTRDCommonParam::fgInstance = 0;
  37 Bool_t AliTRDCommonParam::fgTerminated = kFALSE;
  38
  39 //_ singleton implementation __________________________________________________
  40 AliTRDCommonParam* AliTRDCommonParam::Instance()
  41 {
  42   //
  43   // Singleton implementation
  44   // Returns an instance of this class, it is created if neccessary
  45   //
  46
  47   if (fgTerminated != kFALSE) {
  48     return 0;
  49   }
  50
  51   if (fgInstance == 0) {
  52     fgInstance = new AliTRDCommonParam();
  53   }
  54
  55   return fgInstance;
  56
  57 }
  58
  59 //_____________________________________________________________________________
  60 void AliTRDCommonParam::Terminate()
  61 {
  62   //
  63   // Singleton implementation
  64   // Deletes the instance of this class and sets the terminated flag,
  65   // instances cannot be requested anymore
  66   // This function can be called several times.
  67   //
  68
  69   fgTerminated = kTRUE;
  70
  71   if (fgInstance != 0) {
  72     delete fgInstance;
  73     fgInstance = 0;
  74   }
  75
  76 }
  77
  78 //_____________________________________________________________________________
  79 AliTRDCommonParam::AliTRDCommonParam()
  80   :TObject()
  81   ,fExBOn(kFALSE)
  82   ,fSamplingFrequency(0.0)
  83 {
  84   //
  85   // Default constructor
  86   //
  87
  88   Init();
  89
  90 }
  91
  92 //_____________________________________________________________________________
  93 AliTRDCommonParam::AliTRDCommonParam(TRootIoCtor *)
  94   :TObject()
  95   ,fExBOn(0)
  96   ,fSamplingFrequency(0.0)
  97 {
  98   //
  99   // IO constructor
 100   //
 101
 102 }
 103
 104 //_____________________________________________________________________________
 105 void AliTRDCommonParam::Init()
 106 {
 107   //
 108   // Initialization
 109   //
 110
 111   // E x B effects
 112   fExBOn             = kTRUE;
 113
 114   // Sampling Frequency in MHz
 115   fSamplingFrequency = 10.0;
 116
 117 }
 118
 119 //_____________________________________________________________________________
 120 AliTRDCommonParam::~AliTRDCommonParam()
 121 {
 122   //
 123   // Destructor
 124   //
 125
 126 }
 127
 128 //_____________________________________________________________________________
 129 AliTRDCommonParam::AliTRDCommonParam(const AliTRDCommonParam &p)
 130   :TObject(p)
 131   ,fExBOn(p.fExBOn)
 132   ,fSamplingFrequency(p.fSamplingFrequency)
 133 {
 134   //
 135   // Copy constructor
 136   //
 137
 138 }
 139
 140 //_____________________________________________________________________________
 141 AliTRDCommonParam &AliTRDCommonParam::operator=(const AliTRDCommonParam &p)
 142 {
 143   //
 144   // Assignment operator
 145   //
 146
 147   if (this != &p) {
 148     ((AliTRDCommonParam &) p).Copy(*this);
 149   }
 150
 151   return *this;
 152
 153 }
 154
 155 //_____________________________________________________________________________
 156 void AliTRDCommonParam::Copy(TObject &p) const
 157 {
 158   //
 159   // Copy function
 160   //
 161
 162   AliTRDCommonParam *target = dynamic_cast<AliTRDCommonParam*> (&p);
 163   if (!target) {
 164     return;
 165   }
 166
 167   target->fExBOn             = fExBOn;
 168   target->fSamplingFrequency = fSamplingFrequency;
 169
 170 }