New class wrapping the access of files in the AliEn catalogue

diff --git a/PHOS/AliPHOSAliEnFile.cxx b/PHOS/AliPHOSAliEnFile.cxx
new file mode 100644 (file)
index 0000000..734a0b2
--- /dev/null
+++ b/PHOS/AliPHOSAliEnFile.cxx
@@ -0,0 +1,268 @@
+/**************************************************************************
+ * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ *                                                                        *
+ * Author: The ALICE Off-line Project.                                    *
+ * Contributors are mentioned in the code where appropriate.              *
+ *                                                                        *
+ * Permission to use, copy, modify and distribute this software and its   *
+ * documentation strictly for non-commercial purposes is hereby granted   *
+ * without fee, provided that the above copyright notice appears in all   *
+ * copies and that both the copyright notice and this permission notice   *
+ * appear in the supporting documentation. The authors make no claims     *
+ * about the suitability of this software for any purpose. It is          *
+ * provided "as is" without express or implied warranty.                  *
+ **************************************************************************/
+/* $Id$ */
+
+//_________________________________________________________________________
+// To navigate in the AliEn catalogue (very elementary)
+// check here : /afs/cern.ch/user/p/peters/public/README.ALIEN                   
+//-- Author: Yves Schutz (CERN)
+
+// --- ROOT system ---
+#include "TObjString.h"   
+#include "TAlienResult.h"
+
+// --- Standard library ---
+
+// --- AliRoot header files ---
+
+#include "AliPHOSAliEnFile.h" 
+
+ClassImp(AliPHOSAliEnFile) ;
+
+//____________________________________________________________________________
+AliPHOSAliEnFile::AliPHOSAliEnFile()
+{
+  // default ctor; Doing initialisation ; 
+  
+  fGrid = TGrid::Connect("alien://aliendb1.cern.ch:15000/?direct") ; 
+  if ( !fGrid ) 
+    Fatal("ctor", "Cannot connect to alien://aliendb1.cern.ch:15000/?direct") ; 
+    
+  fRoot = "/alice/production/aliprod" ; 
+  if ( !fGrid->OpenDir(fRoot) ) 
+    Fatal("ctor", "Cannot find directory %s ", fRoot.Data() ) ; 
+  
+  fYear = "" ; 
+  fProd = "" ; 
+  fVers = "" ; 
+  fType = "" ; 
+  fRun  = "" ; 
+  fEvt  = "" ; 
+  
+  fPath += fRoot ; 
+
+}
+
+//____________________________________________________________________________
+AliPHOSAliEnFile::~AliPHOSAliEnFile()
+{
+}
+
+//____________________________________________________________________________
+TString AliPHOSAliEnFile::GetLFN() const
+{
+  TString fileName(Pwd()) ;
+  fileName += "galice.root" ; 
+  if ( !fGrid->GetAccessPath(fileName) ) { 
+    Warning("GetLFN", "file %s does not exist", fileName.Data()) ; 
+    fileName = "" ; 
+  }
+  else 
+    fileName.Prepend("alien://") ; 
+  return fileName ; 
+}
+
+//____________________________________________________________________________
+void AliPHOSAliEnFile::Copy(AliPHOSAliEnFile & lfn) 
+{
+  //Copy method used by the Copy ctor 
+  fRoot = lfn.fRoot ; 
+  fYear = lfn.fYear ; 
+  fProd = lfn.fProd ; 
+  fVers = lfn.fVers ; 
+  fType = lfn.fType ; 
+  fRun  = lfn.fRun ; 
+  fEvt  = lfn.fEvt ; 
+  TObject::Copy(lfn) ; 
+}
+
+//____________________________________________________________________________
+void AliPHOSAliEnFile::Help()
+{
+  // Prints information on available lfn's
+  
+  Info("Info", "  ") ; 
+
+}
+
+//____________________________________________________________________________
+void AliPHOSAliEnFile::ListEvents() const
+{
+  // list the available events for the current path and run selected
+
+  char path[80] ; 
+  sprintf(path, "%s/%s-%s/%s/%s/%s", fRoot.Data(), fYear.Data(), fProd.Data(), fVers.Data(), fType.Data(), fRun.Data()) ; 
+  Info("ListEvents", "Searching %s", path) ; 
+  Grid_ResultHandle_t gr = fGrid->Find(path, "galice.root") ; 
+  TAlienResult ar(gr) ;
+  ar.Print() ; 
+}
+
+//____________________________________________________________________________
+void AliPHOSAliEnFile::ListRuns() const
+{
+  // list the available runs for the current path selected
+
+  char path[80] ; 
+  sprintf(path, "%s/%s-%s/%s/%s", fRoot.Data(), fYear.Data(), fProd.Data(), fVers.Data(), fType.Data()) ; 
+  Info("ListEvents", "Searching %s", path) ; 
+  Grid_ResultHandle_t gr = fGrid->OpenDir(path) ; 
+  TAlienResult ar(gr) ;
+  ar.Print() ; 
+}
+
+//____________________________________________________________________________
+Bool_t AliPHOSAliEnFile::SetYearProd(TString year, TString prod)
+{
+  // set the year and verifies if the directory exists
+  Bool_t rv = kFALSE ;
+  char tempo[80] ; 
+  sprintf(tempo, "/%s-%s", year.Data(), prod.Data()) ; 
+
+  TString path(fRoot) ; 
+  path += tempo ; 
+  if ( !fGrid->OpenDir(path) )  
+    Error("ctor", "Cannot find directory %s ", path.Data() ) ; 
+  else {
+    rv = kTRUE ; 
+    fYear = year ;  
+    fProd = prod ; 
+    fPath = path ; 
+  }
+  return rv ; 
+}
+
+//____________________________________________________________________________
+Bool_t AliPHOSAliEnFile::SetVers(TString vers) 
+{
+  // set the year and verifies if the directory exists
+  Bool_t rv = kFALSE ;
+  char tempo[80] ; 
+  sprintf(tempo, "/%s-%s/%s", fYear.Data(), fProd.Data(), vers.Data()) ; 
+  fVers = tempo ;  
+
+  TString path(fRoot) ; 
+  path += tempo ; 
+ if ( !fGrid->OpenDir(path) )  
+    Error("ctor", "Cannot find directory %s ", path.Data() ) ; 
+  else {
+    rv = kTRUE ; 
+    fVers = vers ; 
+    fPath = path ;
+  }
+  return rv ; 
+}
+
+//____________________________________________________________________________
+Bool_t AliPHOSAliEnFile::SetType(TString type) 
+{
+  // set the year and verifies if the directory exists
+  Bool_t rv = kFALSE ;
+  char tempo[80] ; 
+  sprintf(tempo, "/%s-%s/%s/%s", fYear.Data(), fProd.Data(), fVers.Data(), type.Data()) ; 
+ 
+  TString path(fRoot) ;
+  path += tempo ; 
+  if ( !fGrid->OpenDir(path) )  
+    Error("ctor", "Cannot find directory %s ", path.Data() ) ; 
+  else {
+    rv = kTRUE ; 
+    fType = type ;  
+    fPath = path ; 
+  }
+  return rv ; 
+}
+
+//____________________________________________________________________________
+Bool_t AliPHOSAliEnFile::SetPath(TString year, TString prod, TString vers, TString type) 
+{
+  // set the year and verifies if the directory exists
+  Bool_t rv = kFALSE ; 
+  char tempo[80] ; 
+  sprintf(tempo, "/%s-%s/%s/%s", year.Data(), prod.Data(), vers.Data(), type.Data()) ; 
+    
+  TString path(fRoot) ; 
+  path += tempo ; 
+  if ( !fGrid->OpenDir(path) )  
+    Error("ctor", "Cannot find directory %s ", path.Data() ) ; 
+  else {
+    rv = kTRUE ; 
+    fPath = path ; 
+    fYear += year ; 
+    fProd += prod ; 
+    fVers += vers ; 
+    fType += type ;
+  }
+  return rv ; 
+}
+
+//____________________________________________________________________________
+Bool_t AliPHOSAliEnFile::SetRun(Int_t run) 
+{
+  // set the year and verifies if the directory exists
+  Bool_t rv = kFALSE ;
+
+  TString zero("00000") ; 
+  TString srun ; 
+  srun += run ; 
+  Int_t nzero = zero.Length() - srun.Length() ; 
+  Int_t index ;
+  for (index = 0 ; index < nzero ; index++) 
+    srun.Prepend("0") ; 
+
+  char tempo[80] ; 
+  sprintf(tempo, "/%s-%s/%s/%s/%s", fYear.Data(), fProd.Data(), fVers.Data(), fType.Data(), srun.Data()) ; 
+
+  TString path(fRoot) ; 
+  path += tempo ;
+  if ( !fGrid->OpenDir(path) )  
+    Error("ctor", "Cannot find directory %s ", path.Data() ) ; 
+  else {
+    rv = kTRUE ; 
+    fRun = srun ; 
+    fPath = path ; 
+  }
+  return rv ; 
+}
+
+//____________________________________________________________________________
+Bool_t AliPHOSAliEnFile::SetEvt(Int_t evt) 
+{
+  // set the year and verifies if the directory exists
+  Bool_t rv = kFALSE ; 
+
+  TString zero("00000") ; 
+  TString sevt ; 
+  sevt += evt ; 
+  Int_t nzero = zero.Length() - sevt.Length() ; 
+  Int_t index ;
+  for (index = 0 ; index < nzero ; index++) 
+    sevt.Prepend("0") ;
+ 
+  char tempo[80] ; 
+  sprintf(tempo, "/%s-%s/%s/%s/%s/%s/", fYear.Data(), fProd.Data(), fVers.Data(), fType.Data(), fRun.Data(), sevt.Data()) ; 
+  TString path(fRoot) ; 
+  path += tempo ;
+  if ( !fGrid->OpenDir(path) )  
+    Error("ctor", "Cannot find directory %s ", path.Data() ) ; 
+  else {
+    rv = kTRUE ; 
+    fEvt = sevt ; 
+    fPath = path ; 
+  }
+  return rv ; 
+}
+
+

diff --git a/PHOS/AliPHOSAliEnFile.h b/PHOS/AliPHOSAliEnFile.h
new file mode 100644 (file)
index 0000000..0db77a8
--- /dev/null
+++ b/PHOS/AliPHOSAliEnFile.h
@@ -0,0 +1,71 @@
+#ifndef ALIPHOSALIENFILE_H
+#define ALIPHOSALIENFILE_H
+/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * See cxx source for full Copyright notice                               */
+
+//_________________________________________________________________________
+// Description of logical filename in AliEn catalogue
+// check here : /afs/cern.ch/user/p/peters/public/README.ALIEN 
+//*--                  
+//*-- Author: Yves Schutz (CERN)
+
+// --- ROOT system ---
+#include "TObject.h" 
+#include "TString.h" 
+#include "TGrid.h" 
+
+// --- AliRoot header files ---
+
+class AliPHOSAliEnFile : public TObject {
+
+ public:
+  
+  AliPHOSAliEnFile() ; 
+  AliPHOSAliEnFile(AliPHOSAliEnFile & lfn) : TObject(lfn) {
+    lfn.Copy(*this) ; 
+  } 
+  virtual ~AliPHOSAliEnFile(void) ; 
+  virtual void Copy(AliPHOSAliEnFile & lfn) ;
+  
+  void ListEvents() const ; 
+  void ListRuns() const ; 
+  TString GetRootDir() const { return fRoot ; }
+  TString GetLFN() const ; 
+  void Help() ; 
+  
+  Bool_t SetYearProd(TString year, TString prod) ; 
+  Bool_t SetVers(TString vers) ; 
+  Bool_t SetType(TString type) ; 
+
+  Bool_t SetPath(TString year, TString prod, TString vers, TString type) ; 
+
+  Bool_t SetRun(Int_t run) ; 
+  Bool_t SetEvt(Int_t evt) ; 
+
+  TString Pwd() const { return fPath ; }
+
+  AliPHOSAliEnFile & operator = (const AliPHOSAliEnFile & /*rvalue*/)  {
+    // assignement operator requested by coding convention but not needed
+    Fatal("operator =", "not implemented") ;
+    return *this ; 
+  }
+  
+private:
+  
+  TGrid * fGrid ; //! connection to alien data catalogue 
+  TString fRoot ; //! root directory
+  TString fYear ; //! year of the DC 
+  TString fProd ; //! production id 
+  TString fVers ; //! aliroot tag version
+  TString fType ; //! event type
+  TString fRun  ; //! run number
+  TString fEvt  ; //! event number
+  TString fPath ; //! the lfn is fRoot/fYear/fProd/fVers/fType/fRun/fEvt
+ 
+
+  ClassDef(AliPHOSAliEnFile,1)  
+    
+    };
+
+#endif // AliPHOSALIENFILE_H
+ 

diff --git a/PHOS/PHOSLinkDef.h b/PHOS/PHOSLinkDef.h
index 79b9a9bb51e172adfc14d097b78b915df655cc74..b2e2e7c3930a1810c453737dd28768a263538938 100644 (file)
--- a/PHOS/PHOSLinkDef.h
+++ b/PHOS/PHOSLinkDef.h
@@ -64,5 +64,6 @@
 #pragma link C++ class AliPHOSJet+;
 #pragma link C++ class AliPHOSJetFinder+;
 #pragma link C++ class AliPHOSGammaJet+;
+#pragma link C++ class AliPHOSAliEnFile+;
 
 #endif

diff --git a/PHOS/libPHOS.pkg b/PHOS/libPHOS.pkg
index f7f3e80c3f9aadeb54322522083d037c0d368ffb..f9a8ec5fa52b9f302e49a43724a452c1f8be8100 100644 (file)
--- a/PHOS/libPHOS.pkg
+++ b/PHOS/libPHOS.pkg
@@ -22,9 +22,12 @@ SRCS          =    AliPHOS.cxx AliPHOSv0.cxx AliPHOSv1.cxx AliPHOSv2.cxx \
                  AliPHOSIhepAnalyze.cxx AliPHOSEvalRecPoint.cxx \
                  AliPHOSRecManager.cxx AliPHOSRecCpvManager.cxx AliPHOSRecEmcManager.cxx \
                  AliPHOSClusterizerv2.cxx AliPHOSPIDv1.cxx AliPHOSJet.cxx AliPHOSJetFinder.cxx\
-                 AliPHOSLoader.cxx AliPHOSRaw2Digits.cxx AliPHOSBeamTestEvent.cxx AliPHOSCalibrationDB.cxx AliPHOSCalibrationData.cxx\
-                 AliPHOSCalibrator.cxx AliPHOSCalibrManager.cxx AliPHOSConTableDB.cxx AliPHOSFastGlobalReconstruction.cxx AliPHOSGetter.cxx \
-                AliPHOSGammaJet.cxx    
+                 AliPHOSLoader.cxx AliPHOSRaw2Digits.cxx AliPHOSBeamTestEvent.cxx \
+                AliPHOSCalibrationDB.cxx AliPHOSCalibrationData.cxx\
+                 AliPHOSCalibrator.cxx AliPHOSCalibrManager.cxx AliPHOSConTableDB.cxx \
+                AliPHOSFastGlobalReconstruction.cxx AliPHOSGetter.cxx \
+                AliPHOSGammaJet.cxx \
+                AliPHOSAliEnFile.cxx   
 
 HDRS:= $(SRCS:.cxx=.h)