protect against wrong instantiation of trending manager

[u/mrichter/AliRoot.git] / ITS / AliITSPlaneEffSSD.cxx

diff --git a/ITS/AliITSPlaneEffSSD.cxx b/ITS/AliITSPlaneEffSSD.cxx
index 394089370fd1db61f9f8f952c1649e8dbd08c68b..4ce410a9571eacae06fa59cbdd0cb7e0c368e2b4 100644 (file)
--- a/ITS/AliITSPlaneEffSSD.cxx
+++ b/ITS/AliITSPlaneEffSSD.cxx
@@ -50,10 +50,10 @@ AliITSPlaneEffSSD::AliITSPlaneEffSSD():
   fHisClusErrX(0),
   fHisClusErrZ(0){
   for (UInt_t i=0; i<kNModule; i++){
+  // default constructor
     fFound[i]=0;
     fTried[i]=0;
   }
-  // default constructor
   AliDebug(1,Form("Calling default constructor"));
 }
 //______________________________________________________________________
@@ -143,6 +143,8 @@ AliITSPlaneEffSSD&  AliITSPlaneEffSSD::operator=(const
     // Return:
  
     if(this==&s) return *this;
+    this->~AliITSPlaneEffSSD();
+    new(this) AliITSPlaneEffSSD();
     s.Copy(*this);
     return *this;
 }
@@ -366,6 +368,7 @@ return kTRUE;
 }
 //_____________________________________________________________________________
 Bool_t AliITSPlaneEffSSD::AddFromCDB(AliCDBId *cdbId) {
+// Read (actually add the statistics) plane eff. from Data Base
 AliCDBEntry *cdbEntry=0;
 if (!cdbId) {
   if(!fInitCDBCalled)
@@ -483,6 +486,7 @@ return;
 }
 //__________________________________________________________
 void AliITSPlaneEffSSD::DeleteHistos() {
+// Delete histograms and remove them from memory 
   if(fHisResX) {
     for (Int_t i=0; i<kNHisto; i++ ) delete fHisResX[i];
     delete [] fHisResX; fHisResX=0;