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
28 kCheckStatistics = BIT(15)
30 AliInputEventHandler();
31 AliInputEventHandler(const char* name, const char* title);
32 virtual ~AliInputEventHandler();
33 virtual void SetInputFileName(const char* fname);
34 virtual const char *GetInputFileName() const {return fInputFileName;}
35 virtual void SetOutputFileName(const char* /*fname*/) {;}
36 virtual const char *GetOutputFileName() const {return 0;}
37 virtual Bool_t Init(Option_t* opt) {if(fMixingHandler) fMixingHandler->Init(opt);return kTRUE;}
38 virtual Bool_t Init(TTree* tree, Option_t* opt) {if(fMixingHandler) fMixingHandler->Init(tree,opt);return kTRUE;}
39 virtual Bool_t GetEntry() {if(fMixingHandler) fMixingHandler->GetEntry(); return kTRUE;}
40 virtual Bool_t BeginEvent(Long64_t entry) {if(fMixingHandler) fMixingHandler->BeginEvent(entry);return kTRUE;}
42 virtual Bool_t Notify() { return AliVEventHandler::Notify();}
43 virtual Bool_t Notify(const char *path) {if(fMixingHandler) fMixingHandler->Notify(path);return kTRUE;}
44 virtual Bool_t FinishEvent() {if(fMixingHandler) fMixingHandler->FinishEvent();return kTRUE;}
45 virtual Bool_t Terminate() {if(fMixingHandler) fMixingHandler->Terminate();return kTRUE;}
46 virtual Bool_t TerminateIO() {if(fMixingHandler) fMixingHandler->TerminateIO();return kTRUE;}
49 virtual void SetInputTree(TTree* tree) {fTree = tree;}
50 virtual void SetEventSelection(AliVCuts* cuts) {if (fEventCuts) Changed(); fEventCuts = cuts;}
51 virtual void SetUserCallSelectionMask(Bool_t flag=kTRUE) {TObject::SetBit(kUserCallSelectionMask,flag);}
52 virtual void SetCheckStatistics(Bool_t flag=kTRUE) {Changed(); TObject::SetBit(kCheckStatistics,flag);}
54 void SetInactiveBranches(const char* branches) {Changed(); fBranches = branches;}
55 void SetActiveBranches (const char* branches) {Changed(); fBranchesOn = branches;}
57 virtual AliVEvent *GetEvent() const {return 0;}
58 virtual const AliEventTag *GetEventTag() const {return 0;}
59 virtual AliRunTag *GetRunTag() const {return 0;}
60 // Get the statistics object (currently TH2). Option can be BIN0.
61 virtual TObject *GetStatistics(Option_t *option="") const;
62 virtual Option_t *GetAnalysisType() const {return 0;}
63 virtual TTree *GetTree( ) const {return fTree;}
64 virtual AliVCuts *GetEventSelection() const {return fEventCuts;}
65 virtual Long64_t GetReadEntry() const;
66 virtual Bool_t IsCheckStatistics() const {return TObject::TestBit(kCheckStatistics);}
67 virtual Bool_t IsUserCallSelectionMask() const {return TObject::TestBit(kUserCallSelectionMask);}
68 virtual Bool_t NewEvent()
69 {Bool_t ne = fNewEvent; fNewEvent = kFALSE; return ne;}
70 virtual UInt_t IsEventSelected()
71 {return fIsSelectedResult;}
72 TList *GetUserInfo() const {return fUserInfo;}
74 void SetMixingHandler(AliInputEventHandler* mixing) {Changed(); fMixingHandler = mixing;}
75 AliInputEventHandler* MixingHandler() {return fMixingHandler;}
77 void SetParentHandler(AliInputEventHandler* parent) {Changed(); fParentHandler = parent;}
78 AliInputEventHandler* ParentHandler() {return fParentHandler;}
81 virtual AliPIDResponse* GetPIDResponse() {return 0x0;}
82 virtual void CreatePIDResponse(Bool_t /*isMC*/=kFALSE) {;}
85 void SwitchOffBranches() const;
86 void SwitchOnBranches() const;
88 AliInputEventHandler(const AliInputEventHandler& handler);
89 AliInputEventHandler& operator=(const AliInputEventHandler& handler);
91 TTree *fTree; //! Pointer to the tree
92 TString fBranches; // List of branches to be switched off (separated by space)
93 TString fBranchesOn; // List of branches to be switched on (separated by space)
94 TString fInputFileName; // Name of the input file
95 Bool_t fNewEvent; // New event flag
96 AliVCuts* fEventCuts; // Cuts on the event level
97 UInt_t fIsSelectedResult; // Selection result
98 AliInputEventHandler* fMixingHandler; // Optionla plugin for mixing
99 AliInputEventHandler* fParentHandler; // optional pointer to parent handlers (used in AliMultiInputEventHandler)
100 TList *fUserInfo; //! transient user info for current tree
101 ClassDef(AliInputEventHandler, 7);