scalarFromTree< T > Class Template Reference

#include <treeReader.h>

Public Member Functions
	scalarFromTree (TTree *whichTree, string varname, Long64_t *iEntry_in)
	scalarFromTree ()
T	operator() ()
T	getData ()

Private Attributes
TTree *	thisTree
string	thisVarname
Long64_t *	iEntry_local
T	sData
Long64_t	lastEntry

Detailed Description

template<typename T>
class scalarFromTree< T >

Definition at line 60 of file treeReader.h.

Constructor & Destructor Documentation

template<typename T>

scalarFromTree< T >::scalarFromTree ( TTree *  whichTree, string  varname, Long64_t *  iEntry_in  )

inline

Definition at line 65 of file treeReader.h.

                                                                              :
                thisTree(whichTree),thisVarname(varname),iEntry_local(iEntry_in) {
                lastEntry = -1;
        }

template<typename T>

scalarFromTree< T >::scalarFromTree ( )

inline

Definition at line 71 of file treeReader.h.

                         {
                thisTree = NULL;                iEntry_local = NULL;    thisVarname = "";
                lastEntry = -2;
        }

Member Function Documentation

template<typename T>

T scalarFromTree< T >::getData ( )

inline

Definition at line 82 of file treeReader.h.

                    {
                if (*iEntry_local != lastEntry) {
                        lastEntry = *iEntry_local;
                        try {
                                thisTree->GetEntry(*iEntry_local);
                                sData = thisTree->GetLeaf(thisVarname.c_str())->GetValue(0);
                        } catch (...) {
                                throw std::runtime_error("Can not GetLeaf in scalarFromTree.getData()");
                        }
                }
                return sData;
        }

template<typename T>

T scalarFromTree< T >::operator() ( )

inline

Definition at line 79 of file treeReader.h.

{return getData();};

Member Data Documentation

template<typename T>

Long64_t* scalarFromTree< T >::iEntry_local

private

Definition at line 100 of file treeReader.h.

template<typename T>

Long64_t scalarFromTree< T >::lastEntry

private

Definition at line 102 of file treeReader.h.

template<typename T>

T scalarFromTree< T >::sData

private

Definition at line 101 of file treeReader.h.

template<typename T>

TTree* scalarFromTree< T >::thisTree

private

Definition at line 98 of file treeReader.h.

template<typename T>

string scalarFromTree< T >::thisVarname

private

Definition at line 99 of file treeReader.h.

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The documentation for this class was generated from the following file:

• garsoft/Ana/DSTproduction/treeReader.h