1 #ifndef ALIINPUTEVENTHANDLER_H
2 #define ALIINPUTEVENTHANDLER_H
3 /* Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 //-------------------------------------------------------------------------
9 // Input Handler realisation of the AliVEventHandler interface
10 // Author: Andreas Morsch, CERN
11 //-------------------------------------------------------------------------
13 #include "AliVEventHandler.h"
23 class AliInputEventHandler : public AliVEventHandler {
26 enum EInputHandlerFlags {
27 kUserCallSelectionMask = BIT(14) // Watch out for defining base class bits
29 AliInputEventHandler();
30 AliInputEventHandler(const char* name, const char* title);
31 virtual ~AliInputEventHandler();
32 virtual void SetOutputFileName(const char* /*fname*/) {;}
33 virtual const char *GetOutputFileName() {return 0;}
34 virtual Bool_t Init(Option_t* opt) {if(fMixingHandler) fMixingHandler->Init(opt);return kTRUE;}
35 virtual Bool_t Init(TTree* tree, Option_t* opt) {if(fMixingHandler) fMixingHandler->Init(tree,opt);return kTRUE;}
36 virtual Bool_t GetEntry() {if(fMixingHandler) fMixingHandler->GetEntry(); return kTRUE;}
37 virtual Bool_t BeginEvent(Long64_t entry) {if(fMixingHandler) fMixingHandler->BeginEvent(entry);return kTRUE;}
39 virtual Bool_t Notify() { return AliVEventHandler::Notify();}
40 virtual Bool_t Notify(const char *path) {if(fMixingHandler) fMixingHandler->Notify(path);return kTRUE;}
41 virtual Bool_t FinishEvent() {if(fMixingHandler) fMixingHandler->FinishEvent();return kTRUE;}
42 virtual Bool_t Terminate() {if(fMixingHandler) fMixingHandler->Terminate();return kTRUE;}
43 virtual Bool_t TerminateIO() {if(fMixingHandler) fMixingHandler->TerminateIO();return kTRUE;}
46 virtual void SetInputTree(TTree* tree) {fTree = tree;}
47 virtual void SetEventSelection(AliVCuts* cuts) {fEventCuts = cuts;}
48 virtual void SetUserCallSelectionMask(Bool_t flag=kTRUE) {TObject::SetBit(kUserCallSelectionMask,flag);}
50 void SetInactiveBranches(const char* branches) {fBranches = branches;}
51 void SetActiveBranches (const char* branches) {fBranchesOn = branches;}
53 virtual AliVEvent *GetEvent() const {return 0;}
54 virtual const AliEventTag *GetEventTag() const {return 0;}
55 virtual AliRunTag *GetRunTag() const {return 0;}
56 // Get the statistics object (currently TH2). Option can be BIN0.
57 virtual TObject *GetStatistics(Option_t *option="") const;
58 virtual Option_t *GetAnalysisType() const {return 0;}
59 virtual TTree *GetTree( ) const {return fTree;}
60 virtual AliVCuts *GetEventSelection() const {return fEventCuts;}
61 virtual Long64_t GetReadEntry() const;
62 virtual Bool_t IsUserCallSelectionMask() const {return TObject::TestBit(kUserCallSelectionMask);}
63 virtual Bool_t NewEvent()
64 {Bool_t ne = fNewEvent; fNewEvent = kFALSE; return ne;}
65 virtual UInt_t IsEventSelected()
66 {return fIsSelectedResult;}
68 void SetMixingHandler(AliInputEventHandler* mixing)
69 {fMixingHandler = mixing;}
70 AliInputEventHandler* MixingHandler()
71 {return fMixingHandler;}
73 void SetParentHandler(AliInputEventHandler* parent) {fParentHandler = parent;}
74 AliInputEventHandler* ParentHandler() {return fParentHandler;}
77 void SwitchOffBranches() const;
78 void SwitchOnBranches() const;
80 AliInputEventHandler(const AliInputEventHandler& handler);
81 AliInputEventHandler& operator=(const AliInputEventHandler& handler);
83 TTree *fTree; //! Pointer to the tree
84 TString fBranches; // List of branches to be switched off (separated by space)
85 TString fBranchesOn; // List of branches to be switched on (separated by space)
86 Bool_t fNewEvent; // New event flag
87 AliVCuts* fEventCuts; // Cuts on the event level
88 UInt_t fIsSelectedResult; // Selection result
89 AliInputEventHandler* fMixingHandler; // Optionla plugin for mixing
90 AliInputEventHandler* fParentHandler; // optional pointer to parent handlers (used in AliMultiInputEventHandler)
91 ClassDef(AliInputEventHandler, 6);