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[u/mrichter/AliRoot.git] / MUON / AliMUONDataIterator.cxx
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70b4a8d6 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#include "AliMUONDataIterator.h"
19
20#include "AliMUONConstants.h"
21#include "AliMUONData.h"
22#include "AliMUONDataDigitIterator.h"
23#include "TString.h"
24
25//
26// A wrapper to various iterators used to loop over
27// objects handled by AliMUONData, like sdigits, digits, rawclusters,
28// and so on.
29//
30// Currently only implemented for digits, as a proof-of-principle.
31//
32
5398f946 33/// \cond CLASSIMP
34ClassImp(AliMUONDataIterator)
35/// \endcond
36
70b4a8d6 37namespace
38{
39 void GetChamberNumbers(AliMUONDataIterator::EIterationStyle type,
40 Int_t& firstChamber, Int_t& lastChamber)
41{
42 switch ( type )
43 {
44 case AliMUONDataIterator::kAllChambers:
45 firstChamber=0;
46 lastChamber=AliMUONConstants::NCh()-1;
47 break;
48 case AliMUONDataIterator::kTrackingChambers:
49 firstChamber=0;
50 lastChamber=AliMUONConstants::NCh()-1;
51 break;
52 case AliMUONDataIterator::kTriggerChambers:
53 firstChamber=AliMUONConstants::NTrackingCh();
54 lastChamber=AliMUONConstants::NCh()-1;
55 break;
56 default:
57 firstChamber=lastChamber=-1;
58 break;
59 }
60}
61}
62
70b4a8d6 63//_____________________________________________________________________________
64AliMUONDataIterator::AliMUONDataIterator()
65:
66TObject(),
67fIterator(0x0)
68{
69}
70
71//_____________________________________________________________________________
72AliMUONDataIterator::AliMUONDataIterator(AliMUONData* data,
73 const char* onWhatToIterate,
74 EIterationStyle howToIterate)
75:
76TObject(),
77fIterator(0x0)
78{
79 TString opt(onWhatToIterate);
80 opt.ToLower();
81 if ( opt.Contains("digit") || opt.Contains("d") )
82 {
83 Int_t firstChamber;
84 Int_t lastChamber;
85 GetChamberNumbers(howToIterate,firstChamber,lastChamber);
86 if ( firstChamber >= 0 && lastChamber >= 0 )
87 {
88 data->GetLoader()->LoadDigits("READ");
89 data->SetTreeAddress("D,GLT");
90 fIterator = new AliMUONDataDigitIterator(data,firstChamber,lastChamber);
91 }
92 }
93}
94
95//_____________________________________________________________________________
96AliMUONDataIterator::~AliMUONDataIterator()
97{
98 delete fIterator;
99}
100
101//_____________________________________________________________________________
102TObject*
103AliMUONDataIterator::Next()
104{
a0dc51a6 105 if (fIterator) return fIterator->Next();
70b4a8d6 106 return 0x0;
107}
108
109//_____________________________________________________________________________
110Bool_t
111AliMUONDataIterator::Remove()
112{
a0dc51a6 113 if (fIterator) return fIterator->Remove();
70b4a8d6 114 return kFALSE;
115}
116
117//_____________________________________________________________________________
118void
119AliMUONDataIterator::Reset()
120{
a0dc51a6 121 if (fIterator) fIterator->Reset();
70b4a8d6 122}