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