MUON/AliMUONClusterStoreV2Iterator.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 *                                                                        *
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   8 * documentation strictly for non-commercial purposes is hereby granted   *
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  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 /// \class AliMUONClusterStoreV2Iterator
  20 ///
  21 /// Implementation of TIterator for AliMUONClusterStoreV2
  22 ///
  23 /// \author Philippe Pillot, Subatech
  24 ///
  25 //-----------------------------------------------------------------------------
  26
  27 #include "AliMUONClusterStoreV2Iterator.h"
  28 #include "AliMUONClusterStoreV2.h"
  29
  30 #include "AliMpExMapIterator.h"
  31 #include "AliMpExMap.h"
  32
  33 #include "AliLog.h"
  34
  35 /// \cond CLASSIMP
  36 ClassImp(AliMUONClusterStoreV2Iterator)
  37 /// \endcond
  38
  39 //_____________________________________________________________________________
  40 AliMUONClusterStoreV2Iterator::AliMUONClusterStoreV2Iterator(const AliMUONClusterStoreV2* store,
  41                                                              Int_t firstChamberId, Int_t lastChamberId)
  42 : TIterator(),
  43   fStore(store),
  44   fFirstChamberId(firstChamberId),
  45   fLastChamberId(lastChamberId),
  46   fCurrentChamberId(-1),
  47   fChamberIterator(0x0)
  48 {
  49   /// Constructor for partial iteration
  50   if (fFirstChamberId > fLastChamberId) {
  51     fLastChamberId = fFirstChamberId;
  52     fFirstChamberId = lastChamberId;
  53   }
  54   Reset();
  55 }
  56
  57 //_____________________________________________________________________________
  58 TIterator& AliMUONClusterStoreV2Iterator::operator=(const TIterator& /*iter*/)
  59 {
  60   /// Overriden operator= (imposed by Root's definition of TIterator::operator= ?)
  61 /*
  62   if ( this != &iter && iter.IsA() == AliMUONClusterStoreV2Iterator::Class() ) {
  63     (*this) = static_cast<const AliMUONClusterStoreV2Iterator&>(iter);
  64   }
  65 */
  66   AliFatalGeneral("AliMUONClusterStoreV2Iterator::operator=","reimplement me");
  67   return *this;
  68 }
  69
  70 //_____________________________________________________________________________
  71 AliMUONClusterStoreV2Iterator::~AliMUONClusterStoreV2Iterator()
  72 {
  73   /// Destructor
  74   delete fChamberIterator;
  75 }
  76
  77 //_____________________________________________________________________________
  78 TObject* AliMUONClusterStoreV2Iterator::NextInCurrentChamber() const
  79 {
  80   /// Return the value corresponding to theKey in iterator iter
  81
  82   return fChamberIterator->Next();
  83 }
  84
  85 //_____________________________________________________________________________
  86 TObject* AliMUONClusterStoreV2Iterator::Next()
  87 {
  88   /// Return next cluster in store
  89   TObject* o = NextInCurrentChamber();
  90
  91   while (!o) {
  92     // fChamberIterator exhausted, try to get the next ones
  93     if (fCurrentChamberId == fLastChamberId) return 0x0; // we reached the end
  94
  95     fCurrentChamberId++;
  96     delete fChamberIterator;
  97     fChamberIterator = static_cast<AliMpExMap*>(fStore->fMap->UncheckedAt(fCurrentChamberId))->CreateIterator();
  98
  99     o = NextInCurrentChamber();
 100   }
 101
 102   return o;
 103 }
 104
 105 //_____________________________________________________________________________
 106 void AliMUONClusterStoreV2Iterator::Reset()
 107 {
 108   /// Reset the iterator
 109   fCurrentChamberId = fFirstChamberId;
 110   delete fChamberIterator;
 111   fChamberIterator = static_cast<AliMpExMap*>(fStore->fMap->UncheckedAt(fCurrentChamberId))->CreateIterator();
 112 }