AliEmcalTriggerSelection.cxx

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#include <vector>
#include <iostream>
#include <TClonesArray.h>

#include "AliEMCALTriggerPatchInfo.h"
#include "AliEmcalTriggerDecision.h"
#include "AliEmcalTriggerSelection.h"
#include "AliEmcalTriggerSelectionCuts.h"
#include "AliLog.h"

ClassImp(PWG::EMCAL::AliEmcalTriggerSelection)

namespace PWG{
namespace EMCAL{

AliEmcalTriggerSelection::AliEmcalTriggerSelection() :
  TNamed(),
  fSelectionCuts(NULL)
{
}

AliEmcalTriggerSelection::AliEmcalTriggerSelection(const char *name, const AliEmcalTriggerSelectionCuts * const cuts):
  TNamed(name, ""),
  fSelectionCuts(cuts)
{
}

AliEmcalTriggerDecision* AliEmcalTriggerSelection::MakeDecison(const TClonesArray * const inputPatches) const {
  AliDebugStream(1) << "Trigger selection " << GetName() << ": Make decision" << std::endl;
  AliEmcalTriggerDecision *result = new AliEmcalTriggerDecision(GetName());
  TIter patchIter(inputPatches);
  AliEMCALTriggerPatchInfo *patch(NULL);
  std::vector<AliEMCALTriggerPatchInfo *> selectedPatches;
  AliDebugStream(1) << "Number of input patches: " << inputPatches->GetEntries() << std::endl;
  while((patch = dynamic_cast<AliEMCALTriggerPatchInfo *>(patchIter()))){
    if(fSelectionCuts->IsSelected(patch)){
      selectedPatches.push_back(patch);
    }
  }
  AliDebugStream(1) << "Number of patches fulfilling the trigger condition: " << selectedPatches.size() << std::endl;
  // Find the main patch
  AliEMCALTriggerPatchInfo *mainPatch(NULL), *testpatch(NULL);
  for(std::vector<AliEMCALTriggerPatchInfo *>::iterator it = selectedPatches.begin(); it != selectedPatches.end(); ++it){
    testpatch = *it;
    if(!mainPatch) mainPatch = testpatch;
    else if(fSelectionCuts->CompareTriggerPatches(testpatch, mainPatch) > 0) mainPatch = testpatch;
    result->AddAcceptedPatch(testpatch);
  }
  if(mainPatch) result->SetMainPatch(mainPatch);
  result->SetSelectionCuts(fSelectionCuts);
  return result;
}

void AliEmcalTriggerSelection::PrintStream(std::ostream &stream) const {
  stream << "  Name of the trigger class: " << GetName() << std::endl;
  stream << *fSelectionCuts << std::endl;
}

}
}

std::ostream &operator<<(std::ostream &stream, const PWG::EMCAL::AliEmcalTriggerSelection &sel) {
  sel.PrintStream(stream);
  return stream;
}