Hit histos redefined

[u/mrichter/AliRoot.git] / TRD / AliTRDQAChecker.h

diff --git a/TRD/AliTRDQAChecker.h b/TRD/AliTRDQAChecker.h
index 392ba9853ce9a865a793507cd7e528550065f790..ee7cc8c8dc18d6fa49a84b15abfed3b8dfa2772c 100644 (file)
--- a/TRD/AliTRDQAChecker.h
+++ b/TRD/AliTRDQAChecker.h
@@ -3,17 +3,21 @@
 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
  * See cxx source for full Copyright notice                               */
 
-/*
-  Checks the quality assurance. 
-  By comparing with reference data
-  S. Radomski Uni-Heidelberg October 2007
-*/
+//////////////////////////////////////////////////////
+//
+//  Checks the quality assurance. 
+//  By comparing with reference data
+//  S. Radomski Uni-Heidelberg October 2007
+//
+///////////////////////////////////////////////////////
 
 
 // --- ROOT system ---
 class TFile ; 
 class TH1F ; 
 class TH1I ; 
+class TList ;
+class TObjArray;
 
 // --- Standard library ---
 
@@ -29,6 +33,10 @@ public:
   AliTRDQAChecker& operator = (const AliTRDQAChecker& qac) ;
   virtual ~AliTRDQAChecker() {;} // dtor
 
+  virtual const Double_t Check() {return 1.0;}
+  virtual const Double_t Check(TList * /*list*/) {return 1.0;}
+  virtual const Double_t Check(TObjArray * /*list*/) {return 1.0;}
+
 private:
   
   ClassDef(AliTRDQAChecker,1)  // description