vectorFromTree< T > Class Template Reference

#include <treeReader.h>

Public Member Functions
	vectorFromTree (TTree *whichTree, string varname, Long64_t *iEntry_in)
	vectorFromTree ()
vector< T > &	getDataVector ()
T	operator() (int i)
T	getData (int i)
int	size ()
vector< int >	findIndices (T searchval)

Private Attributes
TTree *	thisTree
string	thisVarname
Long64_t *	iEntry_local
vector< T > *	vData
TBranch *	bData
Long64_t	lastEntry

Detailed Description

template<typename T>
class vectorFromTree< T >

Definition at line 111 of file treeReader.h.

Constructor & Destructor Documentation

template<typename T>

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

inline

Definition at line 117 of file treeReader.h.

                                                                              :
                thisTree(whichTree),thisVarname(varname),iEntry_local(iEntry_in),
                vData(NULL),bData(NULL) {
                // EQUIVALENCE was a bad idea in FORTRAN IV, never mind C++14.
                try {
                        thisTree->SetBranchAddress(thisVarname.c_str(),&vData,&bData);          
                } catch (...) {
                        throw std::runtime_error("SetBranchAddress fails in vectorFromTree constructor");
                }
                lastEntry = -1;
        }

template<typename T>

vectorFromTree< T >::vectorFromTree ( )

inline

Definition at line 130 of file treeReader.h.

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

Member Function Documentation

template<typename T>

vector<int> vectorFromTree< T >::findIndices ( T  searchval )

inline

Definition at line 175 of file treeReader.h.

                                             {
                vector<int> retval;
                int nData = getDataVector().size();
                for (int iDatum=0; iDatum<nData; ++iDatum) {
                        if ( getDataVector().at(iDatum)==searchval ) retval.push_back(iDatum);
                }
                return retval;
        }

template<typename T>

T vectorFromTree< T >::getData ( int  i )

inline

Definition at line 161 of file treeReader.h.

                         {
                return getDataVector().at(i);
        }

template<typename T>

vector<T>& vectorFromTree< T >::getDataVector ( )

inline

Definition at line 140 of file treeReader.h.

                                   {
                if (*iEntry_local != lastEntry) {
                        lastEntry = *iEntry_local;
                        try {
                                Long64_t tEntry = thisTree->LoadTree(*iEntry_local);
                                bData->GetEntry(tEntry);
                        } catch (...) {
                                throw std::runtime_error("Can not GetEntry in vectorFromTree.getData()");
                        }
                }
                return (*vData);
        }

template<typename T>

T vectorFromTree< T >::operator() ( int  i )

inline

Definition at line 157 of file treeReader.h.

                            {
                return getDataVector().at(i);
        }

template<typename T>

int vectorFromTree< T >::size ( )

inline

Definition at line 168 of file treeReader.h.

                   {
                return getDataVector().size();
        }

Member Data Documentation

template<typename T>

TBranch* vectorFromTree< T >::bData

private

Definition at line 191 of file treeReader.h.

template<typename T>

Long64_t* vectorFromTree< T >::iEntry_local

private

Definition at line 189 of file treeReader.h.

template<typename T>

Long64_t vectorFromTree< T >::lastEntry

private

Definition at line 192 of file treeReader.h.

template<typename T>

TTree* vectorFromTree< T >::thisTree

private

Definition at line 187 of file treeReader.h.

template<typename T>

string vectorFromTree< T >::thisVarname

private

Definition at line 188 of file treeReader.h.

template<typename T>

vector<T>* vectorFromTree< T >::vData

private

Definition at line 190 of file treeReader.h.

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

• garsoft/Ana/DSTproduction/treeReader.h