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 #ifndef ROOT_THashTable
  20 #include <THashTable.h>
  21 #endif
  22 #ifndef ROOT_Riostream
  23 #include <Riostream.h>
  24 #endif
  25
  26 class TClass;
  27 class TTree;
  28 class TFile;
  29 class TStopwatch;
  30 class TMap;
  31 class AliAnalysisSelector;
  32 class AliAnalysisDataContainer;
  33 class AliAnalysisFileDescriptor;
  34 class AliAnalysisTask;
  35 class AliVEventHandler;
  36 class AliVEventPool;
  37 class AliAnalysisGrid;
  38 class AliAnalysisStatistics;
  39
  40
  41 class AliAnalysisManager : public TNamed {
  42
  43 public:
  44
  45 enum EAliAnalysisContType {
  46    kExchangeContainer  = 0,   // use to exchange data between tasks
  47    kInputContainer     = 1,   // use for the task private input data
  48    kOutputContainer    = 2,   // use for the task private output data
  49    kParamContainer     = 3    // use for storing task private parameters/cuts per analysis session
  50 };
  51
  52 enum EAliAnalysisExecMode {
  53    kLocalAnalysis    = 0,
  54    kProofAnalysis    = 1,
  55    kGridAnalysis     = 2,
  56    kMixingAnalysis   = 3
  57 };
  58
  59 enum EAliAnalysisFlags {
  60    kEventLoop        = BIT(14),
  61    kDisableBranches  = BIT(15),
  62    kUseDataSet       = BIT(16),
  63    kSaveCanvases     = BIT(17),
  64    kExternalLoop     = BIT(18),
  65    kSkipTerminate    = BIT(19),
  66    kUseProgressBar   = BIT(20),
  67    kTrueNotify       = BIT(21),
  68    kTasksInitialized = BIT(22),
  69    kCollectThroughput= BIT(23)
  70 };
  71
  72    AliAnalysisManager(const char *name = "mgr", const char *title="");
  73    virtual            ~AliAnalysisManager();
  74
  75    AliAnalysisManager(const AliAnalysisManager& other);
  76    AliAnalysisManager& operator=(const AliAnalysisManager& other);
  77
  78    // Event loop control
  79    Bool_t              EventLoop(Long64_t nevents);
  80    virtual Int_t       GetEntry(Long64_t entry, Int_t getall = 0);
  81    virtual Bool_t      Init(TTree *tree);
  82    virtual Bool_t      Notify();
  83    virtual Bool_t      ProcessCut(Long64_t entry) {return Process(entry);}
  84    virtual Bool_t      Process(Long64_t entry);
  85    TFile              *OpenProofFile(AliAnalysisDataContainer *cont, const char *option, const char *extaod="");
  86    static TFile       *OpenFile(AliAnalysisDataContainer *cont, const char *option, Bool_t ignoreProof=kFALSE);
  87    void                PackOutput(TList *target);
  88    void                RegisterExtraFile(const char *fname);
  89    Long64_t            StartAnalysis(const char *type, TTree * const tree, Long64_t nentries=1234567890, Long64_t firstentry=0);
  90    Long64_t            StartAnalysis(const char *type, const char *dataset, Long64_t nentries=1234567890, Long64_t firstentry=0);
  91    Long64_t            StartAnalysis(const char *type, Long64_t nentries=1234567890, Long64_t firstentry=0);
  92    virtual void        SlaveBegin(TTree *tree);
  93    virtual void        Terminate();
  94    void                UnpackOutput(TList *source);
  95
  96    // Getters/Setters
  97    static AliAnalysisManager *GetAnalysisManager() {return fgAnalysisManager;}
  98    static Int_t        LoadMacro(const char *filename, Int_t *error = 0, Bool_t check = kFALSE);
  99    EAliAnalysisExecMode
 100                        GetAnalysisType() const    {return fMode;}
 101    void                GetAnalysisTypeString(TString &type) const;
 102    Bool_t              GetAutoBranchLoading() const {return fAutoBranchHandling;}
 103    Long64_t            GetCacheSize() const       {return fCacheSize;}
 104    static const char  *GetCommonFileName()        {return fgCommonFileName.Data();}
 105    AliAnalysisDataContainer *
 106                        GetCommonInputContainer() const  {return fCommonInput;}
 107    AliAnalysisDataContainer *
 108                        GetCommonOutputContainer() const {return fCommonOutput;}
 109    TObjArray          *GetContainers() const      {return fContainers;}
 110    Long64_t            GetCurrentEntry() const    {return fCurrentEntry;}
 111    UInt_t              GetDebugLevel() const      {return fDebug;}
 112    Bool_t              GetAsyncReading() const {return fAsyncReading;}
 113    TString             GetExtraFiles() const      {return fExtraFiles;}
 114    AliVEventPool*      GetEventPool()  const      {return fEventPool;}
 115    Bool_t              GetFileFromWrapper(const char *filename, const TList *source);
 116    const char         *GetFileInfoLog() const     {return fFileInfoLog.Data();}
 117    static Int_t        GetRunFromAlienPath(const char *path);
 118    AliAnalysisGrid*    GetGridHandler()           {return fGridHandler;}
 119    TObjArray          *GetInputs() const          {return fInputs;}
 120    AliVEventHandler*   GetInputEventHandler() const   {return fInputEventHandler;}
 121    AliVEventHandler*   GetMCtruthEventHandler() const {return fMCtruthEventHandler;}
 122    Int_t               GetNsysInfo() const        {return fNSysInfo;}
 123    AliVEventHandler*   GetOutputEventHandler() const  {return fOutputEventHandler;}
 124    TObjArray          *GetOutputs() const         {return fOutputs;}
 125    TObjArray          *GetParamOutputs() const    {return fParamCont;}
 126    TObjArray          *GetExchangeContainers() const {return fExchangeCont;}
 127    Int_t               GetRunFromPath() const     {return fRunFromPath;}
 128    const char         *GetRequestedBranches() const {return fRequestedBranches.Data();}
 129    TObjArray          *GetTasks() const           {return fTasks;}
 130    TObjArray          *GetTopTasks() const        {return fTopTasks;}
 131    TTree              *GetTree() const            {return fTree;}
 132    TObjArray          *GetZombieTasks() const     {return fZombies;}
 133    static const char  *GetGlobalStr(const char *key, Bool_t &valid);
 134    static Int_t        GetGlobalInt(const char *key, Bool_t &valid);
 135    static Double_t     GetGlobalDbl(const char *key, Bool_t &valid);
 136    TMap               *GetGlobals()               {return fGlobals;}
 137    static Bool_t       IsMacroLoaded(const char * filename);
 138    Bool_t              IsMCLoop() const           {return fMCLoop;}
 139    static Bool_t       IsPipe(std::ostream &out);
 140    Bool_t              IsProofMode() const        {return (fMode==kProofAnalysis)?kTRUE:kFALSE;}
 141    Bool_t              IsRemote() const           {return fIsRemote;}
 142    Bool_t              IsCollectThroughput()      {return TObject::TestBit(kCollectThroughput);}
 143    Bool_t              IsUsingDataSet() const     {return TObject::TestBit(kUseDataSet);}
 144    void                LoadBranch(const char *n)  { if(fAutoBranchHandling) return; DoLoadBranch(n); }
 145    void                RunLocalInit();
 146    void                SetAnalysisType(EAliAnalysisExecMode mode) {fMode = mode;}
 147    void                SetAutoBranchLoading(Bool_t b) { fAutoBranchHandling = b; }
 148    void                SetCurrentEntry(Long64_t entry)            {fCurrentEntry = entry;}
 149    void                SetCacheSize(Long64_t size)                {fCacheSize = size;}
 150    void                SetCollectSysInfoEach(Int_t nevents=0)     {fNSysInfo = nevents;}
 151    void                SetCollectThroughput(Bool_t flag)          {Changed(); TObject::SetBit(kCollectThroughput,flag);}
 152    static void         SetCommonFileName(const char *name)        {fgCommonFileName = name;}
 153    void                SetDebugLevel(UInt_t level);
 154    void                SetDisableBranches(Bool_t disable=kTRUE)   {Changed(); TObject::SetBit(kDisableBranches,disable);}
 155    void                SetAsyncReading(Bool_t flag=kTRUE)    {fAsyncReading = flag;}
 156    void                SetExternalLoop(Bool_t flag)               {Changed(); TObject::SetBit(kExternalLoop,flag);}
 157    void                SetMCLoop(Bool_t flag=kTRUE)               {fMCLoop = flag;}
 158    void                SetEventPool(AliVEventPool* const epool)   {Changed(); fEventPool = epool;}
 159    void                SetFileInfoLog(const char *name) {TObject::SetBit(kCollectThroughput,kTRUE); fFileInfoLog = name;}
 160    void                SetGridHandler(AliAnalysisGrid * const handler) {Changed(); fGridHandler = handler;}
 161    void                SetInputEventHandler(AliVEventHandler* const handler);
 162    void                SetMCtruthEventHandler(AliVEventHandler* const handler) {Changed(); fMCtruthEventHandler = handler;}
 163    void                SetNSysInfo(Long64_t nevents)              {fNSysInfo = nevents;}
 164    void                SetOutputEventHandler(AliVEventHandler* const handler);
 165    void                SetRunFromPath(Int_t run)                  {fRunFromPath = run;}
 166    void                SetSelector(AliAnalysisSelector * const sel)      {fSelector = sel;}
 167    void                SetSaveCanvases(Bool_t flag=kTRUE)         {TObject::SetBit(kSaveCanvases,flag);}
 168    void                SetSkipTerminate(Bool_t flag)              {TObject::SetBit(kSkipTerminate,flag);}
 169    void                SetUseProgressBar(Bool_t flag, Int_t freq=1);
 170    void                SetSpecialOutputLocation(const char *loc)  {fSpecialOutputLocation = loc;}
 171    static void         SetGlobalStr(const char *key, const char *value);
 172    static void         SetGlobalInt(const char *key, Int_t value);
 173    static void         SetGlobalDbl(const char *key, Double_t value);
 174
 175
 176    // Container handling
 177    AliAnalysisDataContainer *CreateContainer(const char *name, TClass *datatype,
 178                        EAliAnalysisContType type     = kExchangeContainer,
 179                        const char          *filename = NULL);
 180
 181    // Including tasks and getting them
 182    void                 AddTask(AliAnalysisTask *task);
 183    AliAnalysisTask     *GetTask(const char *name) const;
 184    Int_t                GetTaskIndex(const AliAnalysisTask *task) const;
 185
 186    // Connecting data containers to task inputs/outputs
 187    Bool_t               ConnectInput(AliAnalysisTask *task, Int_t islot,
 188                                      AliAnalysisDataContainer *cont);
 189    Bool_t               ConnectOutput(AliAnalysisTask *task, Int_t islot,
 190                                      AliAnalysisDataContainer *cont);
 191    // Garbage collection
 192    void                 CleanContainers();
 193
 194    // Analysis initialization and execution, status
 195    void                 AddBranches(const char *branches);
 196    void                 AddStatisticsTask(UInt_t offlineMask=0);
 197    void                 CheckBranches(Bool_t load=kFALSE);
 198    Bool_t               CheckTasks() const;
 199    void                 CountEvent(Int_t ninput, Int_t nprocessed, Int_t nfailed, Int_t naccepted);
 200    Bool_t               InitAnalysis();
 201    Bool_t               IsInitialized() const {return fInitOK;}
 202    Bool_t               IsTrainInitialized() const {return TObject::TestBit(kTasksInitialized);}
 203    Bool_t               IsExternalLoop() const {return TObject::TestBit(kExternalLoop);}
 204    Bool_t               IsEventLoop() const {return TObject::TestBit(kEventLoop);}
 205    Bool_t               IsSkipTerminate() const {return TObject::TestBit(kSkipTerminate);}
 206    Bool_t               MustClean() const {return fMustClean;}
 207    void                 SetMustClean(Bool_t flag=kTRUE) {fMustClean = flag;}
 208    void                 ResetAnalysis();
 209    void                 ExecAnalysis(Option_t *option="");
 210    void                 PrintStatus(Option_t *option="all") const;
 211    void                 ProfileTask(const char *name, const char *option="VM") const;
 212    void                 ProfileTask(Int_t itop, const char *option="VM") const;
 213    static void          ProgressBar(const char *opname, Long64_t current, Long64_t size, TStopwatch * const watch=0, Bool_t last=kFALSE, Bool_t refresh=kFALSE);
 214    void                 AddStatisticsMsg(const char *line);
 215    const char          *GetStatisticsMsg() const {return fStatisticsMsg.Data();}
 216    const AliAnalysisStatistics *GetStatistics() const {return fStatistics;}
 217    void                 SetStatistics(AliAnalysisStatistics *stat) {fStatistics = stat;}
 218    void                 WriteStatisticsMsg(Int_t nevents);
 219    Int_t                GetNcalls() const {return fNcalls;}
 220    Bool_t               ValidateOutputFiles() const;
 221
 222    static const char*   GetOADBPath();
 223
 224    void                 ApplyDebugOptions();
 225    void                 AddClassDebug(const char *className, Int_t debugLevel);
 226
 227    // Security
 228    Bool_t               IsLocked() const {return fLocked;}
 229    void                 Lock();
 230    void                 UnLock();
 231    void                 Changed();
 232 protected:
 233    void                 CreateReadCache();
 234    void                 ImportWrappers(TList *source);
 235    void                 InputFileFromTree(TTree * const tree, TString &fname);
 236    void                 SetEventLoop(Bool_t flag=kTRUE) {TObject::SetBit(kEventLoop,flag);}
 237    void                 DoLoadBranch(const char *name);
 238
 239 private:
 240    TTree                  *fTree;                //! Input tree in case of TSelector model
 241    AliVEventHandler       *fInputEventHandler;   //  Optional common input  event handler
 242    AliVEventHandler       *fOutputEventHandler;  //  Optional common output event handler
 243    AliVEventHandler       *fMCtruthEventHandler; //  Optional common MC Truth event handler
 244    AliVEventPool          *fEventPool;           //  Event pool for mixing analysis
 245    Long64_t                fCurrentEntry;        //! Current processed entry in the tree
 246    Long64_t                fNSysInfo;            // Event frequency for collecting system information
 247    EAliAnalysisExecMode    fMode;                // Execution mode
 248    Bool_t                  fInitOK;              // Initialisation done
 249    Bool_t                  fMustClean;           // Flag to let ROOT do cleanup
 250    Bool_t                  fIsRemote;            //! Flag is set for remote analysis
 251    Bool_t                  fLocked;              //! Lock for the manager and handlers
 252    Bool_t                  fMCLoop;              // External MC generator loop
 253    UInt_t                  fDebug;               // Debug level
 254    TString                 fSpecialOutputLocation; // URL/path where the special outputs will be copied
 255    TObjArray              *fTasks;               // List of analysis tasks
 256    TObjArray              *fTopTasks;            // List of top tasks
 257    TObjArray              *fZombies;             // List of zombie tasks
 258    TObjArray              *fContainers;          // List of all containers
 259    TObjArray              *fInputs;              // List of containers with input data
 260    TObjArray              *fOutputs;             // List of containers with results
 261    TObjArray              *fParamCont;           // List of containers with parameters
 262    TObjArray              *fExchangeCont;        // List of exchange containers
 263    TObjArray              *fDebugOptions;        // List of debug options
 264    TObjArray              *fFileDescriptors;     //! List of file descriptors
 265    AliAnalysisFileDescriptor *fCurrentDescriptor; //! Current file descriptor
 266    AliAnalysisDataContainer *fCommonInput;       // Common input container
 267    AliAnalysisDataContainer *fCommonOutput;      // Common output container
 268    AliAnalysisSelector    *fSelector;            //! Current selector
 269    AliAnalysisGrid        *fGridHandler;         //! Grid handler plugin
 270    TString                 fExtraFiles;          // List of extra files to be merged
 271    TString                 fFileInfoLog;         // File name for fileinfo logs
 272    Bool_t                  fAutoBranchHandling;  // def=kTRUE, turn off if you use LoadBranch
 273    Bool_t                  fAsyncReading;        // Enable async reading
 274    THashTable              fTable;               // keep branch ptrs in case of manual branch loading
 275    Int_t                   fRunFromPath;         // Run number retrieved from path to input data
 276    Int_t                   fNcalls;              // Total number of calls (events) of ExecAnalysis
 277    Long64_t                fMaxEntries;          // Maximum number of entries
 278    Long64_t                fCacheSize;           // Cache size in bytes
 279    static Int_t            fPBUpdateFreq;        // Progress bar update freq.
 280    TString                 fStatisticsMsg;       // Statistics user message
 281    TString                 fRequestedBranches;   // Requested branch names
 282    AliAnalysisStatistics  *fStatistics;          // Statistics info about input events
 283    TMap                   *fGlobals;             // Map with global variables
 284    TStopwatch             *fIOTimer;             //! Timer for I/O + deserialization
 285    TStopwatch             *fCPUTimer;            //! Timer for useful processing
 286    TStopwatch             *fInitTimer;           //! Timer for initialization
 287    Double_t                fIOTime;              //! Cumulated time in IO
 288    Double_t                fCPUTime;             //! Cumulated time in Exec
 289    Double_t                fInitTime;            //! Cumulated time in initialization
 290    static TString          fgCommonFileName;     //! Common output file name (not streamed)
 291    static TString          fgMacroNames;         //! Loaded macro names
 292    static AliAnalysisManager *fgAnalysisManager; //! static pointer to object instance
 293    ClassDef(AliAnalysisManager,20)  // Analysis manager class
 294 };
 295 #endif