MUON/mapping/AliMpMotifPositionPadIterator.cxx

   1 // $Id$
   2 // Category: motif
   3 //
   4 // Class AliMpMotifPositionPadIterator
   5 // -----------------------------------
   6 // Class, which defines an iterator over the pads of a given motif type
   7 // Included in AliRoot: 2003/05/02
   8 // Authors: David Guez, Ivana Hrivnacova; IPN Orsay
   9
  10 #include "AliMpMotifPositionPadIterator.h"
  11 #include "AliMpMotifPosition.h"
  12 #include "AliMpMotifType.h"
  13 #include "AliMpConnection.h"
  14
  15 ClassImp(AliMpMotifPositionPadIterator)
  16
  17 //______________________________________________________________________________
  18 AliMpMotifPositionPadIterator::AliMpMotifPositionPadIterator():
  19     AliMpVPadIterator(),
  20     fMotifPos(0),
  21     fIterator()
  22 {
  23 // default constructor, set the current position to "invalid"
  24 }
  25
  26 //______________________________________________________________________________
  27
  28 AliMpMotifPositionPadIterator::AliMpMotifPositionPadIterator(
  29                                     const AliMpMotifPosition* motifPos)
  30   : AliMpVPadIterator(),
  31     fMotifPos(motifPos),
  32     fIterator(motifPos->GetMotif()->GetMotifType())
  33 {
  34 // normal constructor, let *this to invalid position
  35 }
  36
  37 //______________________________________________________________________________
  38 AliMpMotifPositionPadIterator::AliMpMotifPositionPadIterator(
  39                                     const AliMpMotifPositionPadIterator& right)
  40   : AliMpVPadIterator(right),
  41     fMotifPos(right.fMotifPos),
  42     fIterator(right.fIterator)
  43
  44 {
  45 // copy constructor
  46 }
  47
  48 //______________________________________________________________________________
  49 AliMpMotifPositionPadIterator::~AliMpMotifPositionPadIterator()
  50 {
  51 // destructor
  52 }
  53
  54 // operators
  55
  56 //______________________________________________________________________________
  57 AliMpMotifPositionPadIterator&
  58 AliMpMotifPositionPadIterator::operator = (const AliMpMotifPositionPadIterator& right)
  59 {
  60 // assignement operator
  61 // if the right hand iterator isn't of good type
  62 // the current operator is invalidated
  63
  64   // check assignement to self
  65   if (this == &right) return *this;
  66
  67   // base class assignement
  68   AliMpVPadIterator::operator=(right);
  69
  70   fMotifPos = right.fMotifPos;
  71   fIterator = right.fIterator;
  72
  73   return *this;
  74 }
  75
  76 //private methods
  77
  78
  79 //______________________________________________________________________________
  80 Bool_t AliMpMotifPositionPadIterator::IsValid() const
  81 {
  82 // Is the iterator in a valid position?
  83
  84     return (fMotifPos!=0) && (!fIterator.IsDone());
  85 }
  86
  87 //public methods
  88
  89 //______________________________________________________________________________
  90 void AliMpMotifPositionPadIterator::First()
  91 {
  92 // Reset the iterator, so that it points to the first available
  93 // pad in the motif type
  94
  95     if (!fMotifPos) {
  96         Invalidate();
  97         return ;
  98     }
  99
 100     fIterator.First();
 101     return;
 102 }
 103
 104 //______________________________________________________________________________
 105 void AliMpMotifPositionPadIterator::Next()
 106 {
 107 // Move the iterator to the next valid pad.
 108   fIterator.Next();
 109 }
 110
 111 //______________________________________________________________________________
 112 Bool_t AliMpMotifPositionPadIterator::IsDone() const
 113 {
 114 //
 115   return !IsValid();
 116 }
 117
 118 //______________________________________________________________________________
 119 AliMpPad AliMpMotifPositionPadIterator::CurrentItem() const
 120 {
 121 // Returns current pad.
 122
 123     if (!fMotifPos)
 124         return AliMpPad::Invalid();
 125     else {
 126       AliMpIntPair ind = fIterator.CurrentItem().GetIndices();
 127       AliMpMotifType* mt = fMotifPos->GetMotif()->GetMotifType();
 128       AliMpConnection* connect =
 129         mt->FindConnectionByLocalIndices(ind);
 130       return AliMpPad(AliMpIntPair(fMotifPos->GetID(),connect->GetGassiNum()),
 131                   fMotifPos->GlobalIndices(ind),
 132                   fMotifPos->Position()+fMotifPos->GetMotif()->PadPositionLocal(ind),
 133                   fMotifPos->GetMotif()->GetPadDimensions(ind));
 134     }
 135 }
 136
 137 //______________________________________________________________________________
 138 void AliMpMotifPositionPadIterator::Invalidate()
 139 {
 140 // Let the iterator points to the invalid position
 141   fIterator.Invalidate();
 142 }
 143