TTree::TClusterIterator Class Reference

Helper class to iterate over cluster of baskets.

Definition at line 256 of file TTree.h.

Public Member Functions
Long64_t	GetNextEntry ()
Long64_t	GetStartEntry ()
Long64_t	Next ()
	Move on to the next cluster and return the starting entry of this next cluster. More...
Long64_t	operator() ()

Protected Member Functions
	TClusterIterator (TTree *tree, Long64_t firstEntry)
	Regular constructor. More...

Private Member Functions
Long64_t	GetEstimatedClusterSize ()
	In the case where the cluster size was not fixed (old files and case where autoflush was explicitly set to zero, we need estimate a cluster size in relation to the size of the cache. More...

Private Attributes
Int_t	fClusterRange
Long64_t	fNextEntry
Long64_t	fStartEntry
TTree *	fTree

Friends
class	TTree

#include <TTree.h>

Constructor & Destructor Documentation

TClusterIterator()

TTree::TClusterIterator::TClusterIterator ( TTree *  tree, Long64_t  firstEntry  )

protected

Regular constructor.

TTree is not set as const, since we might modify if it is a TChain.

Definition at line 525 of file TTree.cxx.

Member Function Documentation

GetEstimatedClusterSize()

Long64_t TTree::TClusterIterator::GetEstimatedClusterSize ( )

private

In the case where the cluster size was not fixed (old files and case where autoflush was explicitly set to zero, we need estimate a cluster size in relation to the size of the cache.

Definition at line 568 of file TTree.cxx.

GetNextEntry()

Long64_t TTree::TClusterIterator::GetNextEntry ( )

inline

Definition at line 289 of file TTree.h.

GetStartEntry()

Long64_t TTree::TClusterIterator::GetStartEntry ( )

inline

Definition at line 284 of file TTree.h.

Next()

Long64_t TTree::TClusterIterator::Next

(

)

Move on to the next cluster and return the starting entry of this next cluster.

Definition at line 599 of file TTree.cxx.

operator()()

Long64_t TTree::TClusterIterator::operator() ( )

inline

Definition at line 293 of file TTree.h.

Friends And Related Function Documentation

TTree

friend class TTree

friend

Definition at line 267 of file TTree.h.

Member Data Documentation

fClusterRange

Int_t TTree::TClusterIterator::fClusterRange

private

Definition at line 260 of file TTree.h.

fNextEntry

Long64_t TTree::TClusterIterator::fNextEntry

private

Definition at line 262 of file TTree.h.

fStartEntry

Long64_t TTree::TClusterIterator::fStartEntry

private

Definition at line 261 of file TTree.h.

fTree

TTree* TTree::TClusterIterator::fTree

private

Definition at line 259 of file TTree.h.

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

• tree/tree/inc/TTree.h
• tree/tree/src/TTree.cxx