/usr/include/root/TTreeCloner.h is in libroot-tree-dev 5.34.14-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Author: Philippe Canal 07/11/2005
/*************************************************************************
* Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
* All rights reserved. *
* *
* For the licensing terms see $ROOTSYS/LICENSE. *
* For the list of contributors see $ROOTSYS/README/CREDITS. *
*************************************************************************/
#ifndef ROOT_TTreeCloner
#define ROOT_TTreeCloner
//////////////////////////////////////////////////////////////////////////
// //
// TTreeCloner //
// //
// Class implementing or helping the various TTree cloning method //
// //
//////////////////////////////////////////////////////////////////////////
#ifndef ROOT_TObjArray
#include "TObjArray.h"
#endif
#include <vector>
#ifdef R__OLDHPACC
namespace std {
using ::string;
using ::vector;
}
#endif
class TBranch;
class TTree;
class TTreeCloner {
TString fWarningMsg; //Text of the error message lead to an 'invalid' state
Bool_t fIsValid;
Bool_t fNeedConversion; //True if the fast merge is not possible but a slow merge might possible.
UInt_t fOptions;
TTree *fFromTree;
TTree *fToTree;
Option_t *fMethod;
TObjArray fFromBranches;
TObjArray fToBranches;
UInt_t fMaxBaskets;
UInt_t *fBasketBranchNum; //[fMaxBaskets] Index of the branch(es) of the basket.
UInt_t *fBasketNum; //[fMaxBaskets] index of the basket within the branch.
Long64_t *fBasketSeek; //[fMaxBaskets] list of basket position to be read.
Long64_t *fBasketEntry; //[fMaxBaskets] list of basket start entries.
UInt_t *fBasketIndex; //[fMaxBaskets] ordered list of basket indices to be written.
UShort_t fPidOffset; //Offset to be added to the copied key/basket.
UInt_t fCloneMethod; //Indicates which cloning method was selected.
Long64_t fToStartEntries; //Number of entries in the target tree before any addition.
enum ECloneMethod {
kDefault = 0,
kSortBasketsByBranch = 1,
kSortBasketsByOffset = 2,
kSortBasketsByEntry = 3
};
class CompareSeek {
TTreeCloner *fObject;
public:
CompareSeek(TTreeCloner *obj) : fObject(obj) {}
Bool_t operator()(UInt_t i1, UInt_t i2);
};
class CompareEntry {
TTreeCloner *fObject;
public:
CompareEntry(TTreeCloner *obj) : fObject(obj) {}
Bool_t operator()(UInt_t i1, UInt_t i2);
};
friend class CompareSeek;
friend class CompareEntry;
void ImportClusterRanges();
private:
TTreeCloner(const TTreeCloner&); // Not implemented.
TTreeCloner &operator=(const TTreeCloner&); // Not implemented.
public:
enum EClonerOptions {
kNone = 0,
kNoWarnings = BIT(1),
kIgnoreMissingTopLevel = BIT(2)
};
TTreeCloner(TTree *from, TTree *to, Option_t *method, UInt_t options = kNone);
virtual ~TTreeCloner();
void CloseOutWriteBaskets();
UInt_t CollectBranches(TBranch *from, TBranch *to);
UInt_t CollectBranches(TObjArray *from, TObjArray *to);
UInt_t CollectBranches();
void CollectBaskets();
void CopyMemoryBaskets();
void CopyStreamerInfos();
void CopyProcessIds();
const char *GetWarning() const { return fWarningMsg; }
Bool_t Exec();
Bool_t IsValid() { return fIsValid; }
Bool_t NeedConversion() { return fNeedConversion; }
void SortBaskets();
void WriteBaskets();
ClassDef(TTreeCloner,0); // helper used for the fast cloning of TTrees.
};
#endif
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