Bug Corrected

diff --git a/HBTAN/AliHBTPositionRandomizer.cxx b/HBTAN/AliHBTPositionRandomizer.cxx
index efb7f1990c27e509feacd8c1aebdc99da9fa8d0c..5b72bc5117eda9d44a9285f4067c7dbf0f0b4e13 100644 (file)
--- a/HBTAN/AliHBTPositionRandomizer.cxx
+++ b/HBTAN/AliHBTPositionRandomizer.cxx
@@ -79,20 +79,28 @@ AliHBTPositionRandomizer& AliHBTPositionRandomizer::operator=(const AliHBTPositi
 }
 /*********************************************************************/
 
-AliAOD* AliHBTPositionRandomizer::GetEventSim() 
+AliAOD* AliHBTPositionRandomizer::GetEventSim() const
 {
  // gets from fReader and randomizes current particle event
- if (fReader == 0x0) return 0x0;
+ if (fReader == 0x0) 
+  {
+    Error("GetEventSim","Reader is null");
+    return 0x0;
+  } 
  AliAOD *e =  fReader->GetEventSim();
  if (e->IsRandomized() == kFALSE) Randomize(e);
  return e;
 }
 /*********************************************************************/
 
-AliAOD* AliHBTPositionRandomizer::GetEventRec() 
+AliAOD* AliHBTPositionRandomizer::GetEventRec() const
 {
  // gets from fReader and randomizes current track event
- if (fReader == 0x0) return 0x0;
+ if (fReader == 0x0) 
+  {
+    Error("GetEventRec","Reader is null");
+    return 0x0;
+  }  
  AliAOD *e =  fReader->GetEventRec();
  if (fRandomizeTracks) if (e->IsRandomized() == kFALSE) Randomize(e);
  return e;

diff --git a/HBTAN/AliHBTPositionRandomizer.h b/HBTAN/AliHBTPositionRandomizer.h
index f0394001292b6e9389cdd0a0b86e341a43f07079..70ef85f1a1a26ed0a05432748b0538f81113be0c 100644 (file)
--- a/HBTAN/AliHBTPositionRandomizer.h
+++ b/HBTAN/AliHBTPositionRandomizer.h
@@ -32,8 +32,8 @@ class AliHBTPositionRandomizer: public AliReader
    Bool_t ReadsRec() const {return (fReader)?fReader->ReadsRec():kFALSE;}
    Bool_t ReadsSim() const {return (fReader)?fReader->ReadsSim():kFALSE;}
    
-   AliAOD* GetEventSim() ;
-   AliAOD* GetEventRec() ;
+   AliAOD* GetEventSim() const ;
+   AliAOD* GetEventRec() const ;
 
    AliAOD* GetEventSim(Int_t n);
    AliAOD* GetEventRec(Int_t n){return (fReader)?fReader->GetEventRec(n):0x0;}