fixes in copy constructor and assignment operator, added protection

diff --git a/STEER/AliAODJet.cxx b/STEER/AliAODJet.cxx
index 55d13a0e3fa559d79da1c8fa6dd49a620b67c35f..264a7127aeffaa3272ef5bb36007a334ddb2655c 100644 (file)
--- a/STEER/AliAODJet.cxx
+++ b/STEER/AliAODJet.cxx
@@ -103,8 +103,8 @@ AliAODJet::AliAODJet(const AliAODJet& jet) :
     fEffectiveArea[1] = jet.fEffectiveArea[1];
     fEffectiveAreaError[0] = jet.fEffectiveAreaError[0];
     fEffectiveAreaError[1] = jet.fEffectiveAreaError[1];
     fEffectiveArea[1] = jet.fEffectiveArea[1];
     fEffectiveAreaError[0] = jet.fEffectiveAreaError[0];
     fEffectiveAreaError[1] = jet.fEffectiveAreaError[1];

-    fMomentum  = new TLorentzVector(*jet.fMomentum);
-    fVectorAreaCharged = new TLorentzVector(*jet.fVectorAreaCharged);
+    if(jet.fMomentum)fMomentum  = new TLorentzVector(*jet.fMomentum);
+    if(jet.fVectorAreaCharged)fVectorAreaCharged = new TLorentzVector(*jet.fVectorAreaCharged);

     fRefTracks = new TRefArray(*jet.fRefTracks);
 }
 
     fRefTracks = new TRefArray(*jet.fRefTracks);
 }
 


@@ -122,8 +122,17 @@ AliAODJet& AliAODJet::operator=(const AliAODJet& jet)
     fEffectiveAreaError[1] = jet.fEffectiveAreaError[1];
     fNeutralFraction = jet.fNeutralFraction;
     fTrigger = jet.fTrigger;
     fEffectiveAreaError[1] = jet.fEffectiveAreaError[1];
     fNeutralFraction = jet.fNeutralFraction;
     fTrigger = jet.fTrigger;

-    *fMomentum  = *jet.fMomentum;
-    *fVectorAreaCharged = *jet.fVectorAreaCharged;
+    
+    
+    if(jet.fMomentum){
+      if(fMomentum)*fMomentum  = *jet.fMomentum;
+      else fMomentum  = new TLorentzVector(*jet.fMomentum);
+    }
+
+    if(jet.fVectorAreaCharged){
+       if(fVectorAreaCharged)*fVectorAreaCharged = *jet.fVectorAreaCharged;
+       else fVectorAreaCharged = new TLorentzVector(*jet.fVectorAreaCharged);
+      }

     delete fRefTracks;
     fRefTracks = new TRefArray(*jet.fRefTracks);    
   }
     delete fRefTracks;
     fRefTracks = new TRefArray(*jet.fRefTracks);    
   }