#include <LauMergeDataFiles.hh>

Public Member Functions
	LauMergeDataFiles (const TString &fileName1, const TString &fileName2, const TString &treeName)
	Constructor. More...

virtual	~LauMergeDataFiles ()
	Destructor. More...

void	process (const TString &fileName)
	Do the merge. More...

Protected Types
typedef std::map< TString, Double_t >	LeafDoubleMap
	Type to relate leaf names with their double-precision value. More...

typedef std::map< TString, Int_t >	LeafIntegerMap
	Type to relate leaf names with their integer value. More...

typedef std::map< Int_t, std::pair< Int_t, Int_t > >	ExptsMap
	Type to hold for each experiment the first and last entry numbers in a tree. More...

Protected Member Functions
void	openInputFiles ()
	Open the specified input files and check that the trees can be read. More...

void	setupInputTrees ()
	Read the structure of the input trees, create appropriate storage and set the branch addresses. More...

void	setupOutputTree ()
	Create the structure of the output tree. More...

void	findExperiments (TTree *tree, ExptsMap &exptsMap)
	Determine the experiments stored a given tree. More...

Bool_t	checkExperimentMaps () const
	Check that the experiments in each tree match. More...

void	readExperiment (TTree *tree, const ExptsMap::const_iterator &exptsMap, Int_t offset)
	Read the entries for a given experiment from the given tree and store in the output tree. More...

void	writeFile ()
	Write the output file. More...

Private Attributes
TString	fileName1_
	Name of file 1. More...

TString	fileName2_
	Name of file 2. More...

TString	treeName_
	Name of the tree. More...

TFile *	inputFile1_
	Input file 1. More...

TFile *	inputFile2_
	Input file 2. More...

TTree *	inputTree1_
	Input tree 1. More...

TTree *	inputTree2_
	Input tree 2. More...

TFile *	outputFile_
	Output file. More...

TTree *	outputTree_
	Output tree. More...

Int_t	iExpt_
	Storage for the experiment index variable. More...

Int_t	iEvtWithinExpt_
	Storage for the event-within-experiment index variable. More...

LeafDoubleMap	doubleVars_
	Storage for double-precision leaves. More...

LeafIntegerMap	integerVars_
	Storage for integer leaves. More...

ExptsMap	tree1Expts_
	Experiment -> first and last tree entry for tree 1. More...

ExptsMap	tree2Expts_
	Experiment -> first and last tree entry for tree 2. More...

Detailed Description

Definition at line 43 of file LauMergeDataFiles.hh.

Member Typedef Documentation

typedef std::map< Int_t,std::pair<Int_t,Int_t> > LauMergeDataFiles::ExptsMap

protected

Type to hold for each experiment the first and last entry numbers in a tree.

Definition at line 69 of file LauMergeDataFiles.hh.

typedef std::map<TString,Double_t> LauMergeDataFiles::LeafDoubleMap

protected

Type to relate leaf names with their double-precision value.

Definition at line 65 of file LauMergeDataFiles.hh.

typedef std::map<TString,Int_t> LauMergeDataFiles::LeafIntegerMap

protected

Type to relate leaf names with their integer value.

Definition at line 67 of file LauMergeDataFiles.hh.

Constructor & Destructor Documentation

LauMergeDataFiles::LauMergeDataFiles	(	const TString &	fileName1,
		const TString &	fileName2,
		const TString &	treeName
	)

Constructor.

Parameters

[in]	fileName1	name of first file to be merged
[in]	fileName2	name of second file to be merged
[in]	treeName	name of the tree to read from the input files

Definition at line 37 of file LauMergeDataFiles.cc.

LauMergeDataFiles::~LauMergeDataFiles ( )

virtual

Destructor.

Definition at line 50 of file LauMergeDataFiles.cc.

Member Function Documentation

Bool_t LauMergeDataFiles::checkExperimentMaps ( ) const

protected

Check that the experiments in each tree match.

Definition at line 241 of file LauMergeDataFiles.cc.

void LauMergeDataFiles::findExperiments	(	TTree *	tree,
		ExptsMap &	exptsMap
	)

protected

Determine the experiments stored a given tree.

Definition at line 211 of file LauMergeDataFiles.cc.

void LauMergeDataFiles::openInputFiles ( )

protected

Open the specified input files and check that the trees can be read.

Definition at line 68 of file LauMergeDataFiles.cc.

void LauMergeDataFiles::process ( const TString & fileName )

Do the merge.

Parameters

[in] fileName name of file to which to write the merged tree

Definition at line 170 of file LauMergeDataFiles.cc.

void LauMergeDataFiles::readExperiment	(	TTree *	tree,
		const ExptsMap::const_iterator &	exptsMap,
		Int_t	offset
	)

protected

Read the entries for a given experiment from the given tree and store in the output tree.

Definition at line 265 of file LauMergeDataFiles.cc.

void LauMergeDataFiles::setupInputTrees ( )

protected

Read the structure of the input trees, create appropriate storage and set the branch addresses.

Definition at line 94 of file LauMergeDataFiles.cc.

void LauMergeDataFiles::setupOutputTree ( )

protected

Create the structure of the output tree.

Definition at line 144 of file LauMergeDataFiles.cc.

void LauMergeDataFiles::writeFile ( )

protected

Write the output file.

Definition at line 282 of file LauMergeDataFiles.cc.

Member Data Documentation

LeafDoubleMap LauMergeDataFiles::doubleVars_

private

Storage for double-precision leaves.

Definition at line 116 of file LauMergeDataFiles.hh.

TString LauMergeDataFiles::fileName1_

private

Name of file 1.

Definition at line 88 of file LauMergeDataFiles.hh.

TString LauMergeDataFiles::fileName2_

private

Name of file 2.

Definition at line 90 of file LauMergeDataFiles.hh.

Int_t LauMergeDataFiles::iEvtWithinExpt_

private

Storage for the event-within-experiment index variable.

Definition at line 113 of file LauMergeDataFiles.hh.

Int_t LauMergeDataFiles::iExpt_

private

Storage for the experiment index variable.

Definition at line 111 of file LauMergeDataFiles.hh.

TFile* LauMergeDataFiles::inputFile1_

private

Input file 1.

Definition at line 95 of file LauMergeDataFiles.hh.

TFile* LauMergeDataFiles::inputFile2_

private

Input file 2.

Definition at line 97 of file LauMergeDataFiles.hh.

TTree* LauMergeDataFiles::inputTree1_

private

Input tree 1.

Definition at line 100 of file LauMergeDataFiles.hh.

TTree* LauMergeDataFiles::inputTree2_

private

Input tree 2.

Definition at line 102 of file LauMergeDataFiles.hh.

LeafIntegerMap LauMergeDataFiles::integerVars_

private

Storage for integer leaves.

Definition at line 118 of file LauMergeDataFiles.hh.

TFile* LauMergeDataFiles::outputFile_

private

Output file.

Definition at line 105 of file LauMergeDataFiles.hh.

TTree* LauMergeDataFiles::outputTree_

private

Output tree.

Definition at line 107 of file LauMergeDataFiles.hh.

ExptsMap LauMergeDataFiles::tree1Expts_

private

Experiment -> first and last tree entry for tree 1.

Definition at line 121 of file LauMergeDataFiles.hh.

ExptsMap LauMergeDataFiles::tree2Expts_

private

Experiment -> first and last tree entry for tree 2.

Definition at line 123 of file LauMergeDataFiles.hh.

TString LauMergeDataFiles::treeName_

private

Name of the tree.

Definition at line 92 of file LauMergeDataFiles.hh.

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

inc/LauMergeDataFiles.hh
src/LauMergeDataFiles.cc

Public Member Functions

Protected Types

Protected Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation