JROOT::JTreeWriter< T, flat > Class Template Reference

Auxiliary class for default template TTree writing. More...

#include <JTreeWriter.hh>

Inheritance diagram for JROOT::JTreeWriter< T, flat >:

Public Member Functions
	JTreeWriter (const JTreeParameters &parameters=JROOT::getTreeParameters< T >())
	Constructor.
const TBranch *	GetBranch () const
	Get the pointer to the unique TBranch belonging this TTree.
Int_t	Write (const T &object)
	Data object output equivalent of TTree::Fill().
const JTreeParameters &	getTreeParameters () const
	Get TTree parameters.
const TString &	getTreeName () const
	Get TTree name.
const TString &	getTreeTitle () const
	Get TTree title.
const TString &	getBranchName () const
	Get TBranch name.
int	getCompressionLevel () const
	Get compression level.
void	setCompressionLevel (const int value)
	Set compression level.
int	getBasketSize () const
	Get basket size.
void	setBasketSize (int value)
	Set basket size.
int	getSplitLevel () const
	Get split level.
void	setSplitLevel (int value)
	Set split level.
Long64_t	getAutoFlush () const
	Get auto flush.
void	setAutoFlush (Long64_t value)
	Set auto flush.

Protected Attributes
TString	treeName
	TTree name.
TString	treeTitle
	TTree title.
TString	branchName
	TBranch name.
int	compressionLevel
	TBranch compression level.
int	basketSize
	TBranch basket size.
int	splitLevel
	TBranch split level.
Long64_t	autoFlush
	TTree auto flush.

Private Attributes
TBranch *	branch
	Pointer to unique branch belonging to this TTree.
const T *	address
	Pointer to unique object belonging to this TTree.

Detailed Description

template<class T, bool flat = false>
class JROOT::JTreeWriter< T, flat >

Auxiliary class for default template TTree writing.

Definition at line 35 of file JTreeWriter.hh.

Constructor & Destructor Documentation

JTreeWriter()

template<class T , bool flat = false>

JROOT::JTreeWriter< T, flat >::JTreeWriter ( const JTreeParameters & parameters = JROOT::getTreeParameters<T>() )

inline

Constructor.

Note that the default TTree parameters are obtained using method JROOT::getTreeParameters.

Parameters

parameters

parameters of TTree

Definition at line 47 of file JTreeWriter.hh.

                                                                                 :
      JTreeParameters(parameters),
      address(NULL)
    {
      SetNameTitle(this->getTreeName(), this->getTreeTitle());
 
      SetAutoFlush(this->getAutoFlush());
      SetCacheSize();
 
      branch = Branch(this->getBranchName(),
                      T::Class_Name(),
                      &address,
                      this->getBasketSize(),
                      this->getSplitLevel());
 
      branch->SetCompressionLevel(this->getCompressionLevel());
    }

Member Function Documentation

GetBranch()

template<class T , bool flat = false>

const TBranch * JROOT::JTreeWriter< T, flat >::GetBranch ( ) const

inline

Get the pointer to the unique TBranch belonging this TTree.

Returns

pointer to TBranch

Definition at line 71 of file JTreeWriter.hh.

    {
      return branch;
    }

Write()

template<class T , bool flat = false>

Int_t JROOT::JTreeWriter< T, flat >::Write ( const T & object )

inline

Data object output equivalent of TTree::Fill().

Parameters

object

data object

Returns

as TTree::Fill

Definition at line 83 of file JTreeWriter.hh.

    {
      address = &object;
 
      return this->Fill();
    }

getTreeParameters()

const JTreeParameters & JROOT::JTreeParameters::getTreeParameters ( ) const

inlineinherited

Get TTree parameters.

Returns

TTree parameters

Definition at line 67 of file JTreeParameters.hh.

    {
      return static_cast<const JTreeParameters&>(*this);
    }

getTreeName()

const TString & JROOT::JTreeParameters::getTreeName ( ) const

inlineinherited

Get TTree name.

Returns

TTree name

Definition at line 78 of file JTreeParameters.hh.

    {
      return treeName;
    }

getTreeTitle()

const TString & JROOT::JTreeParameters::getTreeTitle ( ) const

inlineinherited

Get TTree title.

Returns

TTree title

Definition at line 89 of file JTreeParameters.hh.

    {
      return treeTitle;
    }

getBranchName()

const TString & JROOT::JTreeParameters::getBranchName ( ) const

inlineinherited

Get TBranch name.

Returns

TBranch name

Definition at line 100 of file JTreeParameters.hh.

    {
      return (branchName != "" ? branchName : treeName);
    }

getCompressionLevel()

int JROOT::JTreeParameters::getCompressionLevel ( ) const

inlineinherited

Get compression level.

Returns

compression level

Definition at line 111 of file JTreeParameters.hh.

    {
      return compressionLevel;
    }

setCompressionLevel()

void JROOT::JTreeParameters::setCompressionLevel ( const int value )

inlineinherited

Set compression level.

Parameters

value

compression level

Definition at line 122 of file JTreeParameters.hh.

    {
      compressionLevel = value;
    }

getBasketSize()

int JROOT::JTreeParameters::getBasketSize ( ) const

inlineinherited

Get basket size.

Returns

basket size

Definition at line 133 of file JTreeParameters.hh.

    {
      return basketSize;
    }

setBasketSize()

void JROOT::JTreeParameters::setBasketSize ( int value )

inlineinherited

Set basket size.

Parameters

value

basket size

Definition at line 144 of file JTreeParameters.hh.

    {
      basketSize = value;
    }

getSplitLevel()

int JROOT::JTreeParameters::getSplitLevel ( ) const

inlineinherited

Get split level.

Returns

split level

Definition at line 155 of file JTreeParameters.hh.

    {
      return splitLevel;
    }

setSplitLevel()

void JROOT::JTreeParameters::setSplitLevel ( int value )

inlineinherited

Set split level.

Parameters

value

split level

Definition at line 166 of file JTreeParameters.hh.

    {
      splitLevel = value;
    }

getAutoFlush()

Long64_t JROOT::JTreeParameters::getAutoFlush ( ) const

inlineinherited

Get auto flush.

Returns

auto flush

Definition at line 177 of file JTreeParameters.hh.

    {
      return autoFlush;
    }

setAutoFlush()

void JROOT::JTreeParameters::setAutoFlush ( Long64_t value )

inlineinherited

Set auto flush.

Parameters

value

auto flush

Definition at line 188 of file JTreeParameters.hh.

    {
      autoFlush = value;
    }

Member Data Documentation

branch

template<class T , bool flat = false>

TBranch* JROOT::JTreeWriter< T, flat >::branch

private

Pointer to unique branch belonging to this TTree.

Definition at line 95 of file JTreeWriter.hh.

address

template<class T , bool flat = false>

const T* JROOT::JTreeWriter< T, flat >::address

private

Pointer to unique object belonging to this TTree.

Definition at line 96 of file JTreeWriter.hh.

treeName

TString JROOT::JTreeParameters::treeName

protectedinherited

TTree name.

Definition at line 215 of file JTreeParameters.hh.

treeTitle

TString JROOT::JTreeParameters::treeTitle

protectedinherited

TTree title.

Definition at line 216 of file JTreeParameters.hh.

branchName

TString JROOT::JTreeParameters::branchName

protectedinherited

TBranch name.

Definition at line 217 of file JTreeParameters.hh.

compressionLevel

int JROOT::JTreeParameters::compressionLevel

protectedinherited

TBranch compression level.

Definition at line 218 of file JTreeParameters.hh.

basketSize

int JROOT::JTreeParameters::basketSize

protectedinherited

TBranch basket size.

Definition at line 219 of file JTreeParameters.hh.

splitLevel

int JROOT::JTreeParameters::splitLevel

protectedinherited

TBranch split level.

Definition at line 220 of file JTreeParameters.hh.

autoFlush

Long64_t JROOT::JTreeParameters::autoFlush

protectedinherited

TTree auto flush.

Definition at line 221 of file JTreeParameters.hh.

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

• JTreeWriter.hh