allowing other root versions for acr reco

[u/mrichter/AliRoot.git] / prod / LHC08d9 / tag.C

void tag() {\r
  const char* turl = gSystem->Getenv("ALIEN_JDL_OUTPUTDIR");\r
  TString fESDFileName = "alien://";\r
  fESDFileName += turl;\r
  fESDFileName += "/AliESDs.root";  \r
\r
  TString fGUID = 0;\r
  GetGUID(fGUID);\r
\r
  TString fAliroot, fRoot, fGeant;\r
  GetVersions(fAliroot,fRoot,fGeant);\r
\r
  UpdateTag(fAliroot,fRoot,fGeant,fESDFileName,fGUID);\r
}\r
  \r
//_____________________________________//\r
GetVersions(TString &fAliroot, TString &froot, TString &fgeant) {\r
  const char* fver = gSystem->Getenv("ALIEN_JDL_PACKAGES");\r
  TString fS = fver;\r
  Int_t fFirst = fS.First("#");\r
\r
  while(fFirst != -1) {\r
    Int_t fTotalLength = fS.Length();\r
    TString tmp = fS;\r
    TString fS1 = fS(0,fFirst);\r
    tmp = fS(fFirst+2,fTotalLength);\r
    fS = tmp;\r
\r
    if(fS1.Contains("Root")) fAliroot = fS1;\r
    if(fS1.Contains("ROOT")) froot = fS1;\r
    if(fS1.Contains("GEANT")) fgeant = fS1;\r
\r
    if(tmp.Contains("Root")) fAliroot = tmp;\r
    if(tmp.Contains("ROOT")) froot = tmp;\r
    if(tmp.Contains("GEANT")) fgeant = tmp;\r
    \r
    fFirst = tmp.First("#");\r
  }\r
}\r
\r
//_____________________________________//\r
GetGUID(TString &guid) {\r
  ofstream myfile ("guid.txt");\r
  if (myfile.is_open()) {\r
    TFile *f = TFile::Open("AliESDs.root","read");\r
    if(f->IsOpen()) {\r
      guid = f->GetUUID().AsString();\r
      myfile << "AliESDs.root \t"<<f->GetUUID().AsString();\r
      cout<<guid.Data()<<endl;\r
      myfile.close();\r
    }\r
    else cout<<"Input file not found"<<endl;\r
  }\r
  else cout<<"Output file can't be created..."<<endl;\r
}\r
\r
\r
//_____________________________________//\r
Bool_t UpdateTag(TString faliroot, TString froot, TString fgeant, TString turl, TString guid) {\r
  cout<<"Updating tags....."<<endl;\r
\r
  const char * tagPattern = "tag.root";\r
  // Open the working directory\r
  void * dirp = gSystem->OpenDirectory(gSystem->pwd());\r
  const char * name = 0x0;\r
  // Add all files matching *pattern* to the chain\r
  while((name = gSystem->GetDirEntry(dirp))) {\r
    if (strstr(name,tagPattern)) {\r
      TFile *f = TFile::Open(name,"read") ;\r
 \r
      AliRunTag *tag = new AliRunTag;\r
      AliEventTag *evTag = new AliEventTag;\r
      TTree *fTree = (TTree *)f->Get("T");\r
      fTree->SetBranchAddress("AliTAG",&tag);\r
   \r
      //Defining new tag objects\r
      AliRunTag *newTag = new AliRunTag();\r
      TTree ttag("T","A Tree with event tags");\r
      TBranch * btag = ttag.Branch("AliTAG", &newTag);\r
      btag->SetCompressionLevel(9);\r
      for(Int_t iTagFiles = 0; iTagFiles < fTree->GetEntries(); iTagFiles++) {\r
	fTree->GetEntry(iTagFiles);\r
	newTag->SetRunId(tag->GetRunId());\r
	newTag->SetAlirootVersion(faliroot);\r
	newTag->SetRootVersion(froot);\r
	newTag->SetGeant3Version(fgeant);\r
	const TClonesArray *tagList = tag->GetEventTags();\r
	for(Int_t j = 0; j < tagList->GetEntries(); j++) {\r
	  evTag = (AliEventTag *) tagList->At(j);\r
	  evTag->SetTURL(turl);\r
	  evTag->SetGUID(guid);\r
	  newTag->AddEventTag(*evTag);\r
	}\r
	ttag.Fill();\r
	newTag->Clear();\r
      }//tag file loop \r
  \r
      TFile* ftag = TFile::Open(name, "recreate");\r
      ftag->cd();\r
      ttag.Write();\r
      ftag->Close();\r
      \r
      delete tag;\r
      delete newTag;\r
    }//pattern check\r
  }//directory loop\r
  return kTRUE;\r
}\r
\r
\r