xAOD::BranchStats Class Reference

Class describing the access statistics of one (sub-)branch. More...

#include <ReadStats.h>

Inheritance diagram for xAOD::BranchStats:

Collaboration diagram for xAOD::BranchStats:

Public Member Functions
	BranchStats (const char *name="xAODBranch", const char *type="Int_t", ::Int_t nTreesAccessed=0, ::Long64_t nReadEntries=0, ::Long64_t nUnzippedBytes=0, ::Long64_t nZippedBytes=0)
	Constructor specifying all parameters. More...
	BranchStats (const BranchStats &parent)
	Copy constructor. More...
BranchStats &	operator= (const BranchStats &parent)
	Assignment operator. More...
BranchStats &	add (const BranchStats &rh)
	Function merging two objects. More...
BranchStats &	operator+= (const BranchStats &rh)
	Operator merging two objects. More...
Accessor/setter functions for the kept information
::Int_t	treesAccessed () const
	Get how many trees/files were accessed to read this branch. More...
void	setTreesAccessed (::Int_t nTreesAccessed)
	Set how many trees were accessed to read this branch. More...
::Long64_t	readEntries () const
	Get how many entries were read from this branch. More...
void	setReadEntries (::Long64_t nReadEntries)
	Set how many entries were read from this branch. More...
::Long64_t	unzippedBytesRead () const
	Get how many unzipped bytes were read from this branch in total. More...
void	setUnzippedBytesRead (::Long64_t nUnzippedBytes)
	Set how many unzipped bytes were read from this branch in total. More...
::Long64_t	zippedBytesRead () const
	Get how many zipped bytes were read from this branch in total. More...
void	setZippedBytesRead (::Long64_t nZippedBytes)
	Set how many zipped bytes were read from this branch in total. More...
"ROOT-specific" functions
::Int_t	Merge (::TCollection *coll)
	Function merging the information from multiple objects. More...
void	Print (::Option_t *option="") const
	Print information about the collected statistics. More...

Private Attributes
::Int_t	m_treesAccessed
	Number of trees/files accessed for this branch. More...
::Long64_t	m_readEntries
	Number of entries read from this branch. More...
::Long64_t	m_unzippedBytes
	Number of unzipped bytes read from this branch. More...
::Long64_t	m_zippedBytes
	Number of zipped bytes read from this branch. More...

Detailed Description

Class describing the access statistics of one (sub-)branch.

Objects of this class are used to describe a single xAOD branch's access pattern.

Author

Attila Krasznahorkay Attil.nosp@m.a.Kr.nosp@m.aszna.nosp@m.hork.nosp@m.ay@ce.nosp@m.rn.c.nosp@m.h

Revision

642099

Date

2015-01-27 17:43:18 +0100 (Tue, 27 Jan 2015)

Definition at line 43 of file ReadStats.h.

Constructor & Destructor Documentation

BranchStats() [1/2]

xAOD::BranchStats::BranchStats	(	const char *	name = "xAODBranch",
		const char *	type = "Int_t",
		::Int_t	nTreesAccessed = 0,
		::Long64_t	nReadEntries = 0,
		::Long64_t	nUnzippedBytes = 0,
		::Long64_t	nZippedBytes = 0
	)

Constructor specifying all parameters.

BranchStats() [2/2]

xAOD::BranchStats::BranchStats

(

const BranchStats &

parent

)

Copy constructor.

Member Function Documentation

add()

BranchStats& xAOD::BranchStats::add

(

const BranchStats &

rh

)

Function merging two objects.

Merge()

::Int_t xAOD::BranchStats::Merge

(

::TCollection *

coll

)

Function merging the information from multiple objects.

operator+=()

BranchStats& xAOD::BranchStats::operator+=

(

const BranchStats &

rh

)

Operator merging two objects.

operator=()

BranchStats& xAOD::BranchStats::operator=

(

const BranchStats &

parent

)

Assignment operator.

Print()

void xAOD::BranchStats::Print

(

::Option_t *

option = ""

)

const

Print information about the collected statistics.

readEntries()

::Long64_t xAOD::BranchStats::readEntries

(

)

const

Get how many entries were read from this branch.

setReadEntries()

void xAOD::BranchStats::setReadEntries

(

::Long64_t

nReadEntries

)

Set how many entries were read from this branch.

setTreesAccessed()

void xAOD::BranchStats::setTreesAccessed

(

::Int_t

nTreesAccessed

)

Set how many trees were accessed to read this branch.

setUnzippedBytesRead()

void xAOD::BranchStats::setUnzippedBytesRead

(

::Long64_t

nUnzippedBytes

)

Set how many unzipped bytes were read from this branch in total.

setZippedBytesRead()

void xAOD::BranchStats::setZippedBytesRead

(

::Long64_t

nZippedBytes

)

Set how many zipped bytes were read from this branch in total.

treesAccessed()

::Int_t xAOD::BranchStats::treesAccessed

(

)

const

Get how many trees/files were accessed to read this branch.

unzippedBytesRead()

::Long64_t xAOD::BranchStats::unzippedBytesRead

(

)

const

Get how many unzipped bytes were read from this branch in total.

zippedBytesRead()

::Long64_t xAOD::BranchStats::zippedBytesRead

(

)

const

Get how many zipped bytes were read from this branch in total.

Member Data Documentation

m_readEntries

::Long64_t xAOD::BranchStats::m_readEntries

private

Number of entries read from this branch.

Definition at line 102 of file ReadStats.h.

m_treesAccessed

::Int_t xAOD::BranchStats::m_treesAccessed

private

Number of trees/files accessed for this branch.

Definition at line 100 of file ReadStats.h.

m_unzippedBytes

::Long64_t xAOD::BranchStats::m_unzippedBytes

private

Number of unzipped bytes read from this branch.

Definition at line 104 of file ReadStats.h.

m_zippedBytes

::Long64_t xAOD::BranchStats::m_zippedBytes

private

Number of zipped bytes read from this branch.

Definition at line 106 of file ReadStats.h.

---

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

• ReadStats.h