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Reference Guide
RooAbsDataStore.h
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1 /*****************************************************************************
2  * Project: RooFit *
3  * Package: RooFitCore *
4  * File: $Id$
5  * Authors: *
6  * WV, Wouter Verkerke, UC Santa Barbara, verkerke@slac.stanford.edu *
7  * DK, David Kirkby, UC Irvine, dkirkby@uci.edu *
8  * *
9  * Copyright (c) 2000-2005, Regents of the University of California *
10  * and Stanford University. All rights reserved. *
11  * *
12  * Redistribution and use in source and binary forms, *
13  * with or without modification, are permitted according to the terms *
14  * listed in LICENSE (http://roofit.sourceforge.net/license.txt) *
15  *****************************************************************************/
16 #ifndef ROO_ABS_DATA_STORE
17 #define ROO_ABS_DATA_STORE
18 
19 #include "Rtypes.h"
20 #include "RooArgSet.h"
21 #include "RooAbsData.h"
22 #include "TNamed.h"
23 #include <list>
24 
25 
26 class RooAbsArg ;
27 class RooArgList ;
28 class TIterator ;
29 class TTree ;
30 
31 class RooAbsDataStore : public TNamed, public RooPrintable {
32 public:
33 
34  RooAbsDataStore() ;
35  RooAbsDataStore(const char* name, const char* title, const RooArgSet& vars) ;
36  RooAbsDataStore(const RooAbsDataStore& other, const char* newname=0) ;
37  RooAbsDataStore(const RooAbsDataStore& other, const RooArgSet& vars, const char* newname=0) ;
38  virtual RooAbsDataStore* clone(const char* newname=0) const = 0 ;
39  virtual RooAbsDataStore* clone(const RooArgSet& vars, const char* newname=0) const = 0 ;
40  virtual ~RooAbsDataStore() ;
41 
42  // Write current row
43  virtual Int_t fill() = 0 ;
44 
45  // Retrieve a row
46  virtual const RooArgSet* get(Int_t index) const = 0 ;
47  virtual const RooArgSet* get() const { return &_vars ; }
48  virtual Double_t weight() const = 0 ;
49 
51  virtual void weightError(Double_t& lo, Double_t& hi, RooAbsData::ErrorType etype=RooAbsData::Poisson) const = 0 ;
52 
53  virtual Double_t weight(Int_t index) const = 0 ;
54  virtual Bool_t isWeighted() const = 0 ;
55 
56  virtual std::vector<RooSpan<const double>> getBatch(std::size_t first, std::size_t len) const = 0;
57  virtual RooSpan<const double> getWeightBatch(std::size_t first, std::size_t len) const;
58 
59  // Change observable name
60  virtual Bool_t changeObservableName(const char* from, const char* to) =0 ;
61 
62  // Add one or more columns
63  virtual RooAbsArg* addColumn(RooAbsArg& var, Bool_t adjustRange=kTRUE) = 0 ;
64  virtual RooArgSet* addColumns(const RooArgList& varList) = 0 ;
65 
66  // Merge column-wise
67  virtual RooAbsDataStore* merge(const RooArgSet& allvars, std::list<RooAbsDataStore*> dstoreList) = 0 ;
68 
69  // Add rows
70  virtual void append(RooAbsDataStore& other)= 0 ;
71 
72  // General & bookkeeping methods
73  virtual Bool_t valid() const = 0 ;
74  virtual Int_t numEntries() const = 0 ;
75  virtual Double_t sumEntries() const { return 0 ; } ;
76  virtual void reset() = 0 ;
77 
78  // Buffer redirection routines used in inside RooAbsOptTestStatistics
79  virtual void attachBuffers(const RooArgSet& extObs) = 0 ;
80  virtual void resetBuffers() = 0 ;
81 
82  virtual void setExternalWeightArray(const Double_t* /*arrayWgt*/, const Double_t* /*arrayWgtErrLo*/, const Double_t* /*arrayWgtErrHi*/, const Double_t* /*arraySumW2*/) {} ;
83 
84  // Printing interface (human readable)
85  inline virtual void Print(Option_t *options= 0) const {
86  // Print contents on stdout
88  }
89 
90  virtual void printName(std::ostream& os) const ;
91  virtual void printTitle(std::ostream& os) const ;
92  virtual void printClassName(std::ostream& os) const ;
93  virtual void printArgs(std::ostream& os) const ;
94  virtual void printValue(std::ostream& os) const ;
95  void printMultiline(std::ostream& os, Int_t content, Bool_t verbose, TString indent) const ;
96 
97  virtual Int_t defaultPrintContents(Option_t* opt) const ;
98 
99 
100  // Constant term optimizer interface
101  virtual void cacheArgs(const RooAbsArg* cacheOwner, RooArgSet& varSet, const RooArgSet* nset=0, Bool_t skipZeroWeights=kFALSE) = 0 ;
102  virtual const RooAbsArg* cacheOwner() = 0 ;
103  virtual void attachCache(const RooAbsArg* newOwner, const RooArgSet& cachedVars) = 0 ;
104  virtual void setArgStatus(const RooArgSet& set, Bool_t active) = 0 ;
105  const RooArgSet& cachedVars() const { return _cachedVars ; }
106  virtual void resetCache() = 0 ;
107  virtual void recalculateCache(const RooArgSet* /*proj*/, Int_t /*firstEvent*/, Int_t /*lastEvent*/, Int_t /*stepSize*/, Bool_t /* skipZeroWeights*/) {} ;
108 
109  virtual void setDirtyProp(Bool_t flag) { _doDirtyProp = flag ; }
110  Bool_t dirtyProp() const { return _doDirtyProp ; }
111 
112  virtual void checkInit() const {} ;
113 
114  virtual Bool_t hasFilledCache() const { return kFALSE ; }
115 
116  virtual const TTree* tree() const { return 0 ; }
117  virtual void dump() {}
118 
119  virtual void loadValues(const RooAbsDataStore *tds, const RooFormulaVar* select=0, const char* rangeName=0,
120  std::size_t nStart=0, std::size_t nStop = std::numeric_limits<std::size_t>::max()) = 0 ;
121 
122  virtual void forceCacheUpdate() {} ;
123 
124  protected:
125 
128 
129  Bool_t _doDirtyProp ; // Switch do (de)activate dirty state propagation when loading a data point
130 
131  ClassDef(RooAbsDataStore,1) // Abstract Data Storage class
132 };
133 
134 
135 #endif
virtual void printTitle(std::ostream &os) const
Print title of dataset.
virtual void dump()
virtual void printStream(std::ostream &os, Int_t contents, StyleOption style, TString indent="") const
Print description of object on ostream, printing contents set by contents integer, which is interpreted as an OR of &#39;enum ContentsOptions&#39; values and in the style given by &#39;enum StyleOption&#39;.
A simple container to hold a batch of data values.
Definition: RooSpan.h:32
RooAbsDataStore is the abstract base class for data collection that use a TTree as internal storage m...
virtual ~RooAbsDataStore()
Destructor.
virtual void printClassName(std::ostream &os) const
Print class name of dataset.
virtual Double_t weight() const =0
const char Option_t
Definition: RtypesCore.h:64
RooArgSet is a container object that can hold multiple RooAbsArg objects.
Definition: RooArgSet.h:28
virtual RooSpan< const double > getWeightBatch(std::size_t first, std::size_t len) const
Get the weights of the events in the range [first, first+size).
virtual Bool_t hasFilledCache() const
virtual RooArgSet * addColumns(const RooArgList &varList)=0
void printMultiline(std::ostream &os, Int_t content, Bool_t verbose, TString indent) const
Detailed printing interface.
virtual Bool_t changeObservableName(const char *from, const char *to)=0
virtual Double_t sumEntries() const
virtual void printValue(std::ostream &os) const
Print value of the dataset, i.e. the sum of weights contained in the dataset.
Basic string class.
Definition: TString.h:131
virtual void attachBuffers(const RooArgSet &extObs)=0
Iterator abstract base class.
Definition: TIterator.h:30
virtual const RooAbsArg * cacheOwner()=0
virtual Int_t numEntries() const =0
const RooArgSet & cachedVars() const
#define ClassDef(name, id)
Definition: Rtypes.h:322
RooPlotable is a &#39;mix-in&#39; base class that define the standard RooFit plotting and printing methods...
Definition: RooPrintable.h:25
The TNamed class is the base class for all named ROOT classes.
Definition: TNamed.h:29
virtual Bool_t valid() const =0
Return true if currently loaded coordinate is considered valid within the current range definitions o...
virtual void forceCacheUpdate()
virtual void printName(std::ostream &os) const
Print name of dataset.
virtual void append(RooAbsDataStore &other)=0
virtual Bool_t isWeighted() const =0
virtual Int_t defaultPrintContents(Option_t *opt) const
Define default print options, for a given print style.
RooArgSet _cachedVars
virtual RooAbsDataStore * merge(const RooArgSet &allvars, std::list< RooAbsDataStore *> dstoreList)=0
virtual void resetCache()=0
virtual void setDirtyProp(Bool_t flag)
virtual void checkInit() const
virtual void attachCache(const RooAbsArg *newOwner, const RooArgSet &cachedVars)=0
virtual void Print(Option_t *options=0) const
Print TNamed name and title.
virtual RooAbsDataStore * clone(const char *newname=0) const =0
virtual void setExternalWeightArray(const Double_t *, const Double_t *, const Double_t *, const Double_t *)
static void indent(ostringstream &buf, int indent_level)
virtual void loadValues(const RooAbsDataStore *tds, const RooFormulaVar *select=0, const char *rangeName=0, std::size_t nStart=0, std::size_t nStop=std::numeric_limits< std::size_t >::max())=0
const Bool_t kFALSE
Definition: RtypesCore.h:90
static std::ostream & defaultPrintStream(std::ostream *os=0)
Return a reference to the current default stream to use in Print().
virtual std::vector< RooSpan< const double > > getBatch(std::size_t first, std::size_t len) const =0
RooAbsDataStore()
Default constructor.
A RooFormulaVar is a generic implementation of a real-valued object, which takes a RooArgList of serv...
Definition: RooFormulaVar.h:29
virtual StyleOption defaultPrintStyle(Option_t *opt) const
virtual void setArgStatus(const RooArgSet &set, Bool_t active)=0
virtual Double_t weightError(RooAbsData::ErrorType etype=RooAbsData::Poisson) const =0
virtual void printArgs(std::ostream &os) const
Print argument of dataset, i.e. the observable names.
RooArgList is a container object that can hold multiple RooAbsArg objects.
Definition: RooArgList.h:21
A TTree represents a columnar dataset.
Definition: TTree.h:78
float type_of_call hi(const int &, const int &)
virtual void resetBuffers()=0
Definition: first.py:1
RooAbsArg is the common abstract base class for objects that represent a value (of arbitrary type) an...
Definition: RooAbsArg.h:73
virtual void recalculateCache(const RooArgSet *, Int_t, Int_t, Int_t, Bool_t)
virtual void reset()=0
virtual RooAbsArg * addColumn(RooAbsArg &var, Bool_t adjustRange=kTRUE)=0
virtual void cacheArgs(const RooAbsArg *cacheOwner, RooArgSet &varSet, const RooArgSet *nset=0, Bool_t skipZeroWeights=kFALSE)=0
const Bool_t kTRUE
Definition: RtypesCore.h:89
virtual Int_t fill()=0
char name[80]
Definition: TGX11.cxx:109
Bool_t dirtyProp() const
virtual const TTree * tree() const