ANALYSIS/AliAnalysisManager.h

   1 #ifndef ALIANALYSISMANAGER_H
   2 #define ALIANALYSISMANAGER_H
   3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   4  * See cxx source for full Copyright notice                               */
   5
   6 /* $Id$ */
   7 // Author: Andrei Gheata, 31/05/2006
   8
   9 //==============================================================================
  10 //   AliAnalysysManager - Manager analysis class. Allows creation of several
  11 // analysis tasks and data containers storing their input/output. Allows
  12 // connecting/chaining tasks via shared data containers. Serializes the current
  13 // event for all tasks depending only on initial input data.
  14 //==============================================================================
  15
  16 #ifndef ROOT_TNamed
  17 #include <TNamed.h>
  18 #endif
  19
  20 class TClass;
  21 class TTree;
  22 class TFile;
  23 class AliAnalysisSelector;
  24 class AliAnalysisDataContainer;
  25 class AliAnalysisTask;
  26 class AliVEventHandler;
  27 class AliVEventPool;
  28 class AliAnalysisGrid;
  29
  30
  31 class AliAnalysisManager : public TNamed {
  32
  33 public:
  34
  35 enum EAliAnalysisContType {
  36    kExchangeContainer  = 0,
  37    kInputContainer   = 1,
  38    kOutputContainer  = 2
  39 };
  40
  41 enum EAliAnalysisExecMode {
  42    kLocalAnalysis    = 0,
  43    kProofAnalysis    = 1,
  44    kGridAnalysis     = 2,
  45    kMixingAnalysis   = 3
  46 };
  47
  48 enum EAliAnalysisFlags {
  49    kEventLoop        = BIT(14),
  50    kDisableBranches  = BIT(15),
  51    kUseDataSet       = BIT(16),
  52    kSaveCanvases     = BIT(17),
  53    kExternalLoop     = BIT(18),
  54    kSkipTerminate    = BIT(19)
  55 };
  56
  57    AliAnalysisManager(const char *name = "mgr", const char *title="");
  58    virtual            ~AliAnalysisManager();
  59
  60    AliAnalysisManager(const AliAnalysisManager& other);
  61    AliAnalysisManager& operator=(const AliAnalysisManager& other);
  62
  63    // Event loop control
  64    virtual Int_t       GetEntry(Long64_t entry, Int_t getall = 0);
  65    virtual Bool_t      Init(TTree *tree);
  66    virtual Bool_t      Notify();
  67    virtual Bool_t      ProcessCut(Long64_t entry) {return Process(entry);}
  68    virtual Bool_t      Process(Long64_t entry);
  69    TFile              *OpenProofFile(AliAnalysisDataContainer *cont, const char *option);
  70    static TFile       *OpenFile(AliAnalysisDataContainer *cont, const char *option, Bool_t ignoreProof=kFALSE);
  71    void                PackOutput(TList *target);
  72    void                RegisterExtraFile(const char *fname);
  73    void                StartAnalysis(const char *type="local", TTree *tree=0, Long64_t nentries=1234567890, Long64_t firstentry=0);
  74    void                StartAnalysis(const char *type, const char *dataset, Long64_t nentries=1234567890, Long64_t firstentry=0);
  75    virtual void        SlaveBegin(TTree *tree);
  76    virtual void        Terminate();
  77    void                UnpackOutput(TList *source);
  78
  79    // Getters/Setters
  80    static AliAnalysisManager *GetAnalysisManager() {return fgAnalysisManager;}
  81    EAliAnalysisExecMode
  82                        GetAnalysisType() const    {return fMode;}
  83    void                GetAnalysisTypeString(TString &type) const;
  84    static const char  *GetCommonFileName()        {return fgCommonFileName.Data();}
  85    AliAnalysisDataContainer *
  86                        GetCommonInputContainer()  {return fCommonInput;}
  87    AliAnalysisDataContainer *
  88                        GetCommonOutputContainer() {return fCommonOutput;}
  89    TObjArray          *GetContainers() const      {return fContainers;}
  90    Long64_t            GetCurrentEntry() const    {return fCurrentEntry;}
  91    UInt_t              GetDebugLevel() const      {return fDebug;}
  92    TString             GetExtraFiles() const      {return fExtraFiles;}
  93    AliVEventPool*      GetEventPool()             {return fEventPool;}
  94    Bool_t              GetFileFromWrapper(const char *filename, TList *source);
  95    AliAnalysisGrid*    GetGridHandler()           {return fGridHandler;}
  96    TObjArray          *GetInputs() const          {return fInputs;}
  97    AliVEventHandler*   GetInputEventHandler()     {return fInputEventHandler;}
  98    AliVEventHandler*   GetMCtruthEventHandler()   {return fMCtruthEventHandler;}
  99    AliVEventHandler*   GetOutputEventHandler()    {return fOutputEventHandler;}
 100    TObjArray          *GetOutputs() const         {return fOutputs;}
 101    TObjArray          *GetTasks() const           {return fTasks;}
 102    TObjArray          *GetTopTasks() const        {return fTopTasks;}
 103    TTree              *GetTree() const            {return fTree;}
 104    TObjArray          *GetZombieTasks() const     {return fZombies;}
 105    Bool_t              IsUsingDataSet() const     {return TObject::TestBit(kUseDataSet);}
 106    void                SetAnalysisType(EAliAnalysisExecMode mode) {fMode = mode;}
 107    void                SetCurrentEntry(Long64_t entry)            {fCurrentEntry = entry;}
 108    void                SetCollectSysInfoEach(Int_t nevents=0)     {fNSysInfo = nevents;}
 109    static void         SetCommonFileName(const char *name)        {fgCommonFileName = name;}
 110    void                SetDebugLevel(UInt_t level)                {fDebug = level;}
 111    void                SetDisableBranches(Bool_t disable=kTRUE)   {TObject::SetBit(kDisableBranches,disable);}
 112    void                SetExternalLoop(Bool_t flag)               {TObject::SetBit(kExternalLoop,flag);}
 113    void                SetEventPool(AliVEventPool* epool)         {fEventPool = epool;}
 114    void                SetGridHandler(AliAnalysisGrid *handler)   {fGridHandler = handler;}
 115    void                SetInputEventHandler(AliVEventHandler*  handler);
 116    void                SetMCtruthEventHandler(AliVEventHandler* handler) {fMCtruthEventHandler = handler;}
 117    void                SetNSysInfo(Long64_t nevents)              {fNSysInfo = nevents;}
 118    void                SetOutputEventHandler(AliVEventHandler*  handler);
 119    void                SetSelector(AliAnalysisSelector *sel)      {fSelector = sel;}
 120    void                SetSaveCanvases(Bool_t flag=kTRUE)         {TObject::SetBit(kSaveCanvases,flag);}
 121    void                SetSkipTerminate(Bool_t flag)              {TObject::SetBit(kSkipTerminate,flag);}
 122    void                SetSpecialOutputLocation(const char *loc)  {fSpecialOutputLocation = loc;}
 123
 124    // Container handling
 125    AliAnalysisDataContainer *CreateContainer(const char *name, TClass *datatype,
 126                        EAliAnalysisContType type     = kExchangeContainer,
 127                        const char          *filename = NULL);
 128
 129    // Including tasks and getting them
 130    void                 AddTask(AliAnalysisTask *task);
 131    AliAnalysisTask     *GetTask(const char *name) const;
 132
 133    // Connecting data containers to task inputs/outputs
 134    Bool_t               ConnectInput(AliAnalysisTask *task, Int_t islot,
 135                                      AliAnalysisDataContainer *cont);
 136    Bool_t               ConnectOutput(AliAnalysisTask *task, Int_t islot,
 137                                      AliAnalysisDataContainer *cont);
 138    // Garbage collection
 139    void                 CleanContainers();
 140
 141    // Analysis initialization and execution, status
 142    Bool_t               InitAnalysis();
 143    Bool_t               IsInitialized() const {return fInitOK;}
 144    Bool_t               IsExternalLoop() const {return TObject::TestBit(kExternalLoop);}
 145    Bool_t               IsEventLoop() const {return TObject::TestBit(kEventLoop);}
 146    Bool_t               IsSkipTerminate() const {return TObject::TestBit(kSkipTerminate);}
 147    void                 ResetAnalysis();
 148    void                 ExecAnalysis(Option_t *option="");
 149    void                 FinishAnalysis();
 150    void                 PrintStatus(Option_t *option="all") const;
 151    Bool_t               ValidateOutputFiles() const;
 152
 153 protected:
 154    void                 ImportWrappers(TList *source);
 155    void                 SetEventLoop(Bool_t flag=kTRUE) {TObject::SetBit(kEventLoop,flag);}
 156
 157 private:
 158    TTree                  *fTree;                //! Input tree in case of TSelector model
 159    AliVEventHandler       *fInputEventHandler;   //  Optional common input  event handler
 160    AliVEventHandler       *fOutputEventHandler;  //  Optional common output event handler
 161    AliVEventHandler       *fMCtruthEventHandler; //  Optional common MC Truth event handler
 162    AliVEventPool          *fEventPool;           //  Event pool for mixing analysis
 163    Long64_t                fCurrentEntry;        //! Current processed entry in the tree
 164    Long64_t                fNSysInfo;            // Event frequency for collecting system information
 165    EAliAnalysisExecMode    fMode;                // Execution mode
 166    Bool_t                  fInitOK;              // Initialisation done
 167    UInt_t                  fDebug;               // Debug level
 168    TString                 fSpecialOutputLocation; // URL/path where the special outputs will be copied
 169    TObjArray              *fTasks;               // List of analysis tasks
 170    TObjArray              *fTopTasks;            // List of top tasks
 171    TObjArray              *fZombies;             // List of zombie tasks
 172    TObjArray              *fContainers;          // List of all containers
 173    TObjArray              *fInputs;              // List of containers with input data
 174    TObjArray              *fOutputs;             // List of containers with results
 175    AliAnalysisDataContainer *fCommonInput;       // Common input container
 176    AliAnalysisDataContainer *fCommonOutput;      // Common output container
 177    AliAnalysisSelector    *fSelector;            //! Current selector
 178    AliAnalysisGrid        *fGridHandler;         //! Grid handler plugin
 179    TString                 fExtraFiles;          // List of extra files to be merged
 180
 181    static TString          fgCommonFileName;     //! Common output file name (not streamed)
 182    static AliAnalysisManager *fgAnalysisManager; //! static pointer to object instance
 183    ClassDef(AliAnalysisManager,5)  // Analysis manager class
 184 };
 185 #endif