Helper class to iterate over cluster of baskets.

Definition at line 249 of file TTree.h.

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

Long64_t	GetStartEntry ()

Long64_t	GetNextEntry ()

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
TTree *	fTree

Int_t	fClusterRange

Long64_t	fStartEntry

Long64_t	fNextEntry

Friends
class	TTree

#include <TTree.h>

Constructor & Destructor Documentation

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 500 of file TTree.cxx.

Member Function Documentation

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 543 of file TTree.cxx.

Referenced by TClusterIterator().

Long64_t TTree::TClusterIterator::GetNextEntry ( )

inline

Definition at line 282 of file TTree.h.

Referenced by TTreeCache::FillBuffer(), and TTreeCacheUnzip::FillBuffer().

Long64_t TTree::TClusterIterator::GetStartEntry ( )

inline

Definition at line 277 of file TTree.h.

Long64_t TTree::TClusterIterator::Next ( )

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

Definition at line 574 of file TTree.cxx.