Logo ROOT   6.08/07
Reference Guide
RooAbsCacheElement.cxx
Go to the documentation of this file.
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 
17 /**
18 \file RooAbsCacheElement.cxx
19 \class RooAbsCacheElement
20 \ingroup Roofitcore
21 
22 RooAbsCacheElement is the abstract base class for objects to be stored
23 in RooAbsCache cache manager objects. Each storage element has an
24 interface to pass on calls for server redirection, operation mode
25 change calls and constant term optimization management calls
26 **/
27 
28 
29 #include "RooFit.h"
30 #include "RooAbsCacheElement.h"
31 #include "RooAbsArg.h"
32 #include "RooArgList.h"
33 
34 using namespace std;
35 
37  ;
38 
39 
40 ////////////////////////////////////////////////////////////////////////////////
41 /// Interface for server redirect calls
42 
43 Bool_t RooAbsCacheElement::redirectServersHook(const RooAbsCollection& /*newServerList*/, Bool_t /*mustReplaceAll*/,
44  Bool_t /*nameChange*/, Bool_t /*isRecursive*/)
45 {
46  return kFALSE ;
47 }
48 
49 
50 
51 ////////////////////////////////////////////////////////////////////////////////
52 /// Hook function to print cache guts in tree printing mode of RooAbsArgs
53 
54 void RooAbsCacheElement::printCompactTreeHook(std::ostream&, const char *, Int_t , Int_t )
55 {
56 }
57 
58 
59 
60 ////////////////////////////////////////////////////////////////////////////////
61 /// Interface for operation mode change calls
62 
64 {
65 }
66 
67 
68 
69 ////////////////////////////////////////////////////////////////////////////////
70 /// Interface for cache optimization calls. The default implementation is to forward all these
71 /// calls to all contained RooAbsArg objects as publicized through containedArg()
72 
73 void RooAbsCacheElement::optimizeCacheMode(const RooArgSet& obs, RooArgSet& optNodes, RooLinkedList& processedNodes)
74 {
75  RooArgList list = containedArgs(OptimizeCaching) ;
76  TIterator* iter = list.createIterator() ;
77  RooAbsArg* arg ;
78  while((arg=(RooAbsArg*)iter->Next())) {
79  arg->optimizeCacheMode(obs, optNodes, processedNodes) ;
80  }
81  delete iter ;
82 }
83 
84 
85 
86 ////////////////////////////////////////////////////////////////////////////////
87 /// Interface for constant term optimization calls. The default implementation is to forward all these
88 /// calls to all contained RooAbsArg objects as publicized through containedArg()
89 
90 void RooAbsCacheElement::findConstantNodes(const RooArgSet& obs, RooArgSet& cacheList, RooLinkedList& processedNodes)
91 {
92  RooArgList list = containedArgs(FindConstantNodes) ;
93  TIterator* iter = list.createIterator() ;
94  RooAbsArg* arg ;
95  while((arg=(RooAbsArg*)iter->Next())) {
96  arg->findConstantNodes(obs,cacheList, processedNodes) ;
97  }
98  delete iter ;
99 }
TIterator * createIterator(Bool_t dir=kIterForward) const
virtual void optimizeCacheMode(const RooArgSet &observables)
Activate cache mode optimization with given definition of observables.
Definition: RooAbsArg.cxx:1579
int Int_t
Definition: RtypesCore.h:41
bool Bool_t
Definition: RtypesCore.h:59
const Bool_t kFALSE
Definition: Rtypes.h:92
STL namespace.
Iterator abstract base class.
Definition: TIterator.h:32
virtual void printCompactTreeHook(std::ostream &, const char *, Int_t curElem, Int_t totElem)
Hook function to print cache guts in tree printing mode of RooAbsArgs.
RooAbsCacheElement is the abstract base class for objects to be stored in RooAbsCache cache manager o...
RooLinkedList is an collection class for internal use, storing a collection of RooAbsArg pointers in ...
Definition: RooLinkedList.h:35
virtual void optimizeCacheMode(const RooArgSet &obs, RooArgSet &optNodes, RooLinkedList &processedNodes)
Interface for cache optimization calls.
#define ClassImp(name)
Definition: Rtypes.h:279
Bool_t findConstantNodes(const RooArgSet &observables, RooArgSet &cacheList)
Find branch nodes with all-constant parameters, and add them to the list of nodes that can be cached ...
Definition: RooAbsArg.cxx:1644
RooAbsCollection is an abstract container object that can hold multiple RooAbsArg objects...
virtual void findConstantNodes(const RooArgSet &obs, RooArgSet &cacheList, RooLinkedList &processedNodes)
Interface for constant term optimization calls.
virtual TObject * Next()=0
virtual Bool_t redirectServersHook(const RooAbsCollection &, Bool_t, Bool_t, Bool_t)
Interface for server redirect calls.
RooAbsArg is the common abstract base class for objects that represent a value (of arbitrary type) an...
Definition: RooAbsArg.h:66
virtual void operModeHook(RooAbsArg::OperMode)
Interface for operation mode change calls.