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TChain Class Reference

#include <TChain.h>

Inheritance diagram for TChain:

[legend]Collaboration diagram for TChain:

[legend]List of all members.

Public Types
enum	{ kGlobalWeight = BIT(15), kAutoDelete = BIT(16), kBigNumber = 1234567890 }
Public Methods
	TChain ()
	TChain (const char *name, const char *title="")
virtual	~TChain ()
virtual Int_t	Add (TChain *chain)
virtual Int_t	Add (const char *name, Int_t nentries=kBigNumber)
virtual Int_t	AddFile (const char *name, Int_t nentries)
virtual TFriendElement *	AddFriend (const char *chainname, const char *dummy="")
virtual TFriendElement *	AddFriend (const char *chainname, TFile *dummy)
virtual TFriendElement *	AddFriend (TTree *chain, const char *alias, Bool_t warn=kFALSE)
virtual void	Browse (TBrowser *b)
virtual void	CreatePackets ()
virtual void	Draw (Option_t *opt)
virtual Int_t	Draw (const char *varexp, const TCut &selection, Option_t *option="",Int_t nentries=kBigNumber, Int_t firstentry=0)
virtual Int_t	Draw (const char *varexp, const char *selection, Option_t *option="",Int_t nentries=kBigNumber, Int_t firstentry=0)
virtual Int_t	Fill ()
virtual TBranch *	GetBranch (const char *name)
virtual Int_t	GetChainEntryNumber (Int_t entry) const
Int_t	GetNtrees () const
virtual Double_t	GetEntries () const
virtual Int_t	GetEntry (Int_t entry=0, Int_t getall=0)
TFile *	GetFile () const
TLeaf *	GetLeaf (const char *name)
TObjArray *	GetListOfBranches ()
TObjArray *	GetListOfFiles () const
TObjArray *	GetListOfLeaves ()
const char *	GetAlias (const char *aliasName) const
virtual Double_t	GetMaximum (const char *columname)
virtual Double_t	GetMinimum (const char *columname)
virtual Int_t	GetNbranches ()
TList *	GetStatus () const
TTree *	GetTree () const
Int_t	GetTreeNumber () const
Int_t *	GetTreeOffset () const
Int_t	GetTreeOffsetLen () const
virtual Double_t	GetWeight () const
Int_t	LoadTree (Int_t entry)
virtual void	Loop (Option_t *option="", Int_t nentries=kBigNumber, Int_t firstentry=0)
virtual void	ls (Option_t *option="") const
virtual Int_t	Merge (const char *name)
virtual Int_t	Merge (TFile *file, Int_t basketsize, Option_t *option="")
virtual void	Print (Option_t *option="") const
virtual Int_t	Process (const char *filename, Option_t *option="", Int_t nentries=kBigNumber, Int_t firstentry=0)
virtual Int_t	Process (TSelector *selector, Option_t *option="", Int_t nentries=kBigNumber, Int_t firstentry=0)
virtual void	Reset (Option_t *option="")
virtual void	SetAutoDelete (Bool_t autodel=kTRUE)
virtual void	SetBranchAddress (const char *bname, void *add)
virtual void	SetBranchStatus (const char *bname, Bool_t status=1)
virtual void	SetDirectory (TDirectory *dir)
virtual void	SetMakeClass (Int_t make)
virtual void	SetPacketSize (Int_t size=100)
virtual void	SetWeight (Double_t w=1, Option_t *option="")
virtual void	UseCache (Int_t maxCacheSize=10, Int_t pageSize=TCache::kDfltPageSize)
Protected Attributes
Int_t	fTreeOffsetLen
Int_t	fNtrees
Int_t	fTreeNumber
Int_t *	fTreeOffset
	Current Tree number in fTreeOffset table.
Int_t	fMaxCacheSize
Int_t	fPageSize
	Max cache size passed to TFile's.
TTree *	fTree
	Cache page size passed to TFile's.
TFile *	fFile
	Pointer to current tree.
TObjArray *	fFiles
	Pointer to current file.
TList *	fStatus

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Member Enumeration Documentation

anonymous enum

Enumeration values: kGlobalWeight  kAutoDelete  kBigNumber  Definition at line 52 of file TChain.h.

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Constructor & Destructor Documentation

TChain::TChain (    )

TChain::TChain (  const char *    name, const char *    title = "" )

virtual TChain::~TChain (    )  [virtual]

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Member Function Documentation

virtual Int_t TChain::Add (  TChain *    chain )  [virtual]

virtual Int_t TChain::Add (  const char *    name, Int_t    nentries = kBigNumber )  [virtual]

virtual Int_t TChain::AddFile (  const char *    name, Int_t    nentries )  [virtual]

virtual TFriendElement* TChain::AddFriend (  const char *    chainname, const char *    dummy = "" )  [virtual]

Reimplemented from TTree.

virtual TFriendElement* TChain::AddFriend (  const char *    chainname, TFile *    dummy )  [virtual]

Reimplemented from TTree.

virtual TFriendElement* TChain::AddFriend (  TTree *    chain, const char *    alias, Bool_t    warn = kFALSE )  [virtual]

Reimplemented from TTree.

virtual void TChain::Browse (  TBrowser *    b )  [virtual]

Reimplemented from TTree.

virtual void TChain::CreatePackets (    )  [virtual]

void TChain::Draw (  Option_t *    opt )  [virtual]

Reimplemented from TTree. Definition at line 116 of file TChain.h.

virtual Int_t TChain::Draw (  const char *    varexp, const TCut &    selection, Option_t *    option = "", Int_t    nentries = kBigNumber, Int_t    firstentry = 0 )  [virtual]

Reimplemented from TTree.

virtual Int_t TChain::Draw (  const char *    varexp, const char *    selection, Option_t *    option = "", Int_t    nentries = kBigNumber, Int_t    firstentry = 0 )  [virtual]

Reimplemented from TTree.

virtual Int_t TChain::Fill (    )  [virtual]

Reimplemented from TTree. Definition at line 74 of file TChain.h. References TObject::MayNotUse().

virtual TBranch* TChain::GetBranch (  const char *    name )  [virtual]

Reimplemented from TTree.

virtual Int_t TChain::GetChainEntryNumber (  Int_t    entry )  const [virtual]

Reimplemented from TTree.

Int_t TChain::GetNtrees (    )  const

Definition at line 77 of file TChain.h. References fNtrees.

virtual Double_t TChain::GetEntries (    )  const [virtual]

Reimplemented from TTree.

virtual Int_t TChain::GetEntry (  Int_t    entry = 0, Int_t    getall = 0 )  [virtual]

Reimplemented from TTree.

TFile* TChain::GetFile (    )  const

TLeaf* TChain::GetLeaf (  const char *    name )  [virtual]

Reimplemented from TTree.

TObjArray* TChain::GetListOfBranches (    )  [virtual]

Reimplemented from TTree.

TObjArray* TChain::GetListOfFiles (    )  const

Definition at line 83 of file TChain.h.

TObjArray* TChain::GetListOfLeaves (    )  [virtual]

Reimplemented from TTree.

const char* TChain::GetAlias (  const char *    aliasName )  const [virtual]

Reimplemented from TTree.

virtual Double_t TChain::GetMaximum (  const char *    columname )  [virtual]

Reimplemented from TTree.

virtual Double_t TChain::GetMinimum (  const char *    columname )  [virtual]

Reimplemented from TTree.

virtual Int_t TChain::GetNbranches (    )  [virtual]

Reimplemented from TTree.

TList* TChain::GetStatus (    )  const

Definition at line 89 of file TChain.h.

TTree* TChain::GetTree (    )  const [virtual]

Reimplemented from TTree. Definition at line 90 of file TChain.h.

Int_t TChain::GetTreeNumber (    )  const [virtual]

Reimplemented from TTree. Definition at line 91 of file TChain.h. References fTreeNumber.

Int_t* TChain::GetTreeOffset (    )  const

Definition at line 92 of file TChain.h. References fTreeOffset.

Int_t TChain::GetTreeOffsetLen (    )  const

Definition at line 93 of file TChain.h. References fTreeOffsetLen.

virtual Double_t TChain::GetWeight (    )  const [virtual]

Reimplemented from TTree.

Int_t TChain::LoadTree (  Int_t    entry )  [virtual]

Reimplemented from TTree.

virtual void TChain::Loop (  Option_t *    option = "", Int_t    nentries = kBigNumber, Int_t    firstentry = 0 )  [virtual]

virtual void TChain::ls (  Option_t *    option = "" )  const [virtual]

Reimplemented from TNamed.

virtual Int_t TChain::Merge (  const char *    name )  [virtual]

virtual Int_t TChain::Merge (  TFile *    file, Int_t    basketsize, Option_t *    option = "" )  [virtual]

virtual void TChain::Print (  Option_t *    option = "" )  const [virtual]

Reimplemented from TTree.

virtual Int_t TChain::Process (  const char *    filename, Option_t *    option = "", Int_t    nentries = kBigNumber, Int_t    firstentry = 0 )  [virtual]

Reimplemented from TTree.

virtual Int_t TChain::Process (  TSelector *    selector, Option_t *    option = "", Int_t    nentries = kBigNumber, Int_t    firstentry = 0 )  [virtual]

Reimplemented from TTree.

virtual void TChain::Reset (  Option_t *    option = "" )  [virtual]

Reimplemented from TTree.

virtual void TChain::SetAutoDelete (  Bool_t    autodel = kTRUE )  [virtual]

virtual void TChain::SetBranchAddress (  const char *    bname, void *    add )  [virtual]

Reimplemented from TTree.

virtual void TChain::SetBranchStatus (  const char *    bname, Bool_t    status = 1 )  [virtual]

Reimplemented from TTree.

virtual void TChain::SetDirectory (  TDirectory *    dir )  [virtual]

Reimplemented from TTree.

virtual void TChain::SetMakeClass (  Int_t    make )  [virtual]

Reimplemented from TTree. Definition at line 108 of file TChain.h. References TTree::SetMakeClass().

virtual void TChain::SetPacketSize (  Int_t    size = 100 )  [virtual]

virtual void TChain::SetWeight (  Double_t    w = 1, Option_t *    option = "" )  [virtual]

Reimplemented from TTree.

virtual void TChain::UseCache (  Int_t    maxCacheSize = 10, Int_t    pageSize = TCache::kDfltPageSize )  [virtual]

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Member Data Documentation

Int_t TChain::fTreeOffsetLen [protected]

Definition at line 39 of file TChain.h. Referenced by GetTreeOffsetLen().

Int_t TChain::fNtrees [protected]

Definition at line 40 of file TChain.h. Referenced by GetNtrees().

Int_t TChain::fTreeNumber [protected]

Definition at line 41 of file TChain.h. Referenced by GetTreeNumber().

Int_t* TChain::fTreeOffset [protected]

Current Tree number in fTreeOffset table. Definition at line 42 of file TChain.h. Referenced by GetTreeOffset().

Int_t TChain::fMaxCacheSize [protected]

Definition at line 43 of file TChain.h.

Int_t TChain::fPageSize [protected]

Max cache size passed to TFile's. Definition at line 44 of file TChain.h.

TTree* TChain::fTree [protected]

Cache page size passed to TFile's. Definition at line 45 of file TChain.h.

TFile* TChain::fFile [protected]

Pointer to current tree. Definition at line 46 of file TChain.h.

TObjArray* TChain::fFiles [protected]

Pointer to current file. Definition at line 47 of file TChain.h.

TList* TChain::fStatus [protected]

Definition at line 48 of file TChain.h.

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

• TChain.h

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