Added AddTrackParams() method for convenience + some comments

[u/mrichter/AliRoot.git] / STEER / AliVEventHandler.h

diff --git a/STEER/AliVEventHandler.h b/STEER/AliVEventHandler.h
index 790ac0c74af8fe7b30f461bf23c52cc3daf02573..1e4cab6309f67a9f1f104957017f959d9bdafbc1 100644 (file)
--- a/STEER/AliVEventHandler.h
+++ b/STEER/AliVEventHandler.h
@@ -20,20 +20,26 @@ class AliVEventHandler : public TNamed {
     AliVEventHandler();
     AliVEventHandler(const char* name, const char* title);
     virtual ~AliVEventHandler();
+    // Handled tree
+    virtual TTree       *GetTree() const { return NULL; }
+    virtual Option_t    *GetDataType() const { return NULL; }
     // Output
-    virtual void         SetOutputFileName(char* fname)  = 0;
-    virtual char*        GetOutputFileName()             = 0;
+    virtual void         SetOutputFileName(const char* fname)   = 0;
+    virtual const char*  GetOutputFileName()              = 0;
     // Input
-    virtual void         SetInputTree(TTree* tree)       = 0;
+    virtual void         SetInputTree(TTree* tree)        = 0;
     // Steering 
-    virtual Bool_t       InitIO(Option_t* opt)           = 0;
-    virtual Bool_t       BeginEvent()                    = 0;
-    virtual Bool_t       Notify(const char *path)        = 0;    
-    virtual Bool_t       FinishEvent()                   = 0;
-    virtual Bool_t       Terminate()                     = 0;
-    virtual Bool_t       TerminateIO()                   = 0;
+    virtual Bool_t       Init(Option_t* opt)              = 0;
+    virtual Bool_t       Init(TTree* tree, Option_t* opt) = 0;
+    virtual Bool_t       BeginEvent(Long64_t entry)       = 0;
+    virtual Bool_t       Notify(const char *path)         = 0;
+    virtual Bool_t       FinishEvent()                    = 0;
+    virtual Bool_t       Terminate()                      = 0;
+    virtual Bool_t       TerminateIO()                    = 0;
+    //
+    virtual Bool_t       Notify() { return TNamed::Notify(); };
  private :
-  ClassDef(AliVEventHandler, 0);
+  ClassDef(AliVEventHandler, 1);
 };
 
 #endif