Adding calibration library and updating the loadlib*.C macros (Laurent)

[u/mrichter/AliRoot.git] / MUON / AliMUONGMSSubprocessor.cxx

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// $Id$
//
// Class AliMUONGMSSubprocessor
// -----------------------------
// The shuttle subprocessor for GMS data
// Author: Ivana Hrivnacova, IPN Orsay
// 16/09/2006

#include "AliMUONGMSSubprocessor.h"
#include "AliMUONPreprocessor.h"

#include "AliCDBMetaData.h"

#include <TTimeStamp.h>
#include <TFile.h>
#include <TClonesArray.h>
#include <TObjString.h>
#include <Riostream.h>

/// \cond CLASSIMP
ClassImp(AliMUONGMSSubprocessor)
/// \endcond

const Int_t    AliMUONGMSSubprocessor::fgkSystem = AliPreprocessor::kDAQ;
const TString  AliMUONGMSSubprocessor::fgkDataId = "GMS";
const TString  AliMUONGMSSubprocessor::fgkMatrixArrayName = "GMSarray";

//______________________________________________________________________________
AliMUONGMSSubprocessor::AliMUONGMSSubprocessor(AliMUONPreprocessor* master) 
  : AliMUONVSubprocessor(master, "GMS", "Upload GMS matrices to OCDB"),
    fTransformer(true)
{
/// Constructor
  fTransformer.ReadGeometryData("volpath.dat", "transform.dat");
}

//______________________________________________________________________________
AliMUONGMSSubprocessor::~AliMUONGMSSubprocessor()
{
/// Destructor
}


//
// private methods
//


//______________________________________________________________________________
UInt_t AliMUONGMSSubprocessor::ProcessFile(const TString& fileName)
{
/// Convert TGeoHMatrix to AliAlignObjMatrix and fill them into AliTestDataDCS object

  Master()->Log(Form("Processing GMS file %s", fileName.Data()));

  // Open root file
  TFile f(fileName.Data());
  if ( ! f.IsOpen() ) {
    Master()->Log(Form("Cannot open file %s",fileName.Data()));
    return 0;
  }  
  
  // Get array with matrices
  TClonesArray* array = (TClonesArray*)f.Get(fgkMatrixArrayName);
  if ( ! array ) {
    Master()->Log(Form("TClonesArray not found in file %s",fileName.Data()));
    return 0;
  }  
  
  // Convert matrices into Alice alignment objects
  for (Int_t i=0; i<array->GetEntriesFast(); i++ ) {
    TGeoHMatrix* matrix = (TGeoHMatrix*)array->At(i);
    fTransformer.AddMisAlignModule(matrix->GetUniqueID(), *matrix);
  }  
  TObject* data = const_cast< TClonesArray*>(fTransformer.GetMisAlignmentData());
  
  //Now we have to store the final CDB file
  Master()->Log("Storing GMS");
  AliCDBMetaData metaData;
  metaData.SetBeamPeriod(0);
  metaData.SetResponsible("");
  metaData.SetComment("This preprocessor fills GMS alignment objects.");

  UInt_t result = Master()->Store("SHUTTLE", "GMS", data, &metaData, 0, 0);

  // Clear MisAlignArray in transformer
  fTransformer.ClearMisAlignmentData();

  return result;
}  

//
// public methods
//


//______________________________________________________________________________
UInt_t AliMUONGMSSubprocessor::Process(TMap* /*dcsAliasMap*/)
{
/// Process GMS alignment files.
/// Return failure (0) in case procession of some file has failed

  UInt_t result = 1;
  TList* sources = Master()->GetFileSources(fgkSystem, fgkDataId);
  TIter next(sources);
  TObjString* o(0x0);
  while ( ( o = static_cast<TObjString*>(next()) ) ) {
    TString fileName(Master()->GetFile(fgkSystem, fgkDataId, o->GetName()));
    result *= ProcessFile(fileName);
  }
  delete sources;

  return result;
}