TTree::TClusterIterator Class Reference

Helper class to iterate over cluster of baskets.

Definition at line 234 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() ()
Long64_t	Previous ()
	Move on to the previous cluster and return the starting entry of this previous cluster. More...

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 528 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 571 of file TTree.cxx.

GetNextEntry()

Long64_t TTree::TClusterIterator::GetNextEntry ( )

inline

Definition at line 271 of file TTree.h.

GetStartEntry()

Long64_t TTree::TClusterIterator::GetStartEntry ( )

inline

Definition at line 266 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 602 of file TTree.cxx.

operator()()

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

inline

Definition at line 275 of file TTree.h.

Previous()

Long64_t TTree::TClusterIterator::Previous

(

)

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

Definition at line 647 of file TTree.cxx.

Friends And Related Function Documentation

TTree

friend class TTree

friend

Definition at line 245 of file TTree.h.

Member Data Documentation

fClusterRange

Int_t TTree::TClusterIterator::fClusterRange

private

Definition at line 238 of file TTree.h.

fNextEntry

Long64_t TTree::TClusterIterator::fNextEntry

private

Definition at line 240 of file TTree.h.

fStartEntry

Long64_t TTree::TClusterIterator::fStartEntry

private

Definition at line 239 of file TTree.h.

fTree

TTree* TTree::TClusterIterator::fTree

private

Definition at line 237 of file TTree.h.

Libraries for TTree::TClusterIterator:

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