Increasing the class version number.

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

diff --git a/STEER/AliInputEventHandler.h b/STEER/AliInputEventHandler.h
index 53d15f53afbc3cb0fc4c38735d16454c31bf4341..10c8ae631b7b872c90326996cf67a9c3d2603d13 100644 (file)
--- a/STEER/AliInputEventHandler.h
+++ b/STEER/AliInputEventHandler.h
@@ -17,41 +17,62 @@
 class AliVEvent;
 class AliVCuts;
 class AliRunTag;
+class AliEventTag;
 
 
 class AliInputEventHandler : public AliVEventHandler {
 
  public:
+ enum EInputHandlerFlags {
+    kUserCallSelectionMask = BIT(14) // Watch out for defining base class bits
+ };
     AliInputEventHandler();
     AliInputEventHandler(const char* name, const char* title);
     virtual ~AliInputEventHandler();
     virtual void         SetOutputFileName(const char* /*fname*/) {;}
     virtual const char  *GetOutputFileName()                          {return 0;}
-    virtual Bool_t       Init(Option_t* /*opt*/)                      {return kTRUE;}
-    virtual Bool_t       Init(TTree* /*tree*/, Option_t* /*opt*/)     {return kTRUE;}
-    virtual Bool_t       BeginEvent(Long64_t /*entry*/)               {return kTRUE;}
-    virtual Bool_t       Notify() { return AliVEventHandler::Notify();}
-    virtual Bool_t       Notify(const char */*path*/)                 {return kTRUE;}
-    virtual Bool_t       FinishEvent()                                {return kTRUE;}        
-    virtual Bool_t       Terminate()                                  {return kTRUE;}
-    virtual Bool_t       TerminateIO()                                {return kTRUE;}
+    virtual Bool_t       Init(Option_t* opt) {if(fMixingHandler) fMixingHandler->Init(opt);return kTRUE;}
+    virtual Bool_t       Init(TTree* tree, Option_t* opt) {if(fMixingHandler) fMixingHandler->Init(tree,opt);return kTRUE;}
+    virtual Bool_t       GetEntry() {if(fMixingHandler) fMixingHandler->GetEntry(); return kTRUE;}
+    virtual Bool_t       BeginEvent(Long64_t entry) {if(fMixingHandler) fMixingHandler->BeginEvent(entry);return kTRUE;}
+
+    virtual Bool_t       Notify()      { return AliVEventHandler::Notify();}
+    virtual Bool_t       Notify(const char *path) {if(fMixingHandler) fMixingHandler->Notify(path);return kTRUE;}
+    virtual Bool_t       FinishEvent() {if(fMixingHandler) fMixingHandler->FinishEvent();return kTRUE;}        
+    virtual Bool_t       Terminate()   {if(fMixingHandler) fMixingHandler->Terminate();return kTRUE;}
+    virtual Bool_t       TerminateIO() {if(fMixingHandler) fMixingHandler->TerminateIO();return kTRUE;}
+
     // Setters
     virtual void         SetInputTree(TTree* tree)                    {fTree = tree;}
     virtual void         SetEventSelection(AliVCuts* cuts)            {fEventCuts = cuts;}
+    virtual void         SetUserCallSelectionMask(Bool_t flag=kTRUE)  {TObject::SetBit(kUserCallSelectionMask,flag);}
     //
     void SetInactiveBranches(const char* branches) {fBranches   = branches;}
     void SetActiveBranches  (const char* branches) {fBranchesOn = branches;}
      // Getters
     virtual AliVEvent   *GetEvent()        const                      {return 0;}
+    virtual const AliEventTag   *GetEventTag() const                  {return 0;}
     virtual AliRunTag   *GetRunTag()       const                      {return 0;}
+    // Get the statistics object (currently TH2). Option can be BIN0.
+    virtual TObject     *GetStatistics(Option_t *option="") const;
     virtual Option_t    *GetAnalysisType() const                      {return 0;}
     virtual TTree       *GetTree( )        const                      {return fTree;}
     virtual AliVCuts    *GetEventSelection() const                    {return fEventCuts;}
     virtual Long64_t     GetReadEntry()    const;
+    virtual Bool_t       IsUserCallSelectionMask() const              {return TObject::TestBit(kUserCallSelectionMask);}
     virtual Bool_t       NewEvent()
        {Bool_t ne = fNewEvent; fNewEvent = kFALSE; return ne;}
     virtual UInt_t       IsEventSelected() 
         {return fIsSelectedResult;}
+    // Mixing
+    void SetMixingHandler(AliInputEventHandler* mixing) 
+    {fMixingHandler = mixing;}
+    AliInputEventHandler* MixingHandler()
+    {return fMixingHandler;}
+    // Parent Handler
+    void SetParentHandler(AliInputEventHandler* parent) {fParentHandler = parent;}
+    AliInputEventHandler* ParentHandler() {return fParentHandler;}
+
  protected:
     void SwitchOffBranches() const;
     void SwitchOnBranches()  const;
@@ -65,7 +86,9 @@ class AliInputEventHandler : public AliVEventHandler {
     Bool_t          fNewEvent;     //  New event flag 
     AliVCuts*       fEventCuts;    //  Cuts on the event level
     UInt_t          fIsSelectedResult; //  Selection result
-    ClassDef(AliInputEventHandler, 4);
+    AliInputEventHandler* fMixingHandler; // Optionla plugin for mixing
+    AliInputEventHandler* fParentHandler; // optional pointer to parent handlers (used in AliMultiInputEventHandler)
+    ClassDef(AliInputEventHandler, 6);
 };
 
 #endif