73 :
TTree(), fTreeOffsetLen(100), fNtrees(0), fTreeNumber(-1), fTreeOffset(nullptr), fCanDeleteRefs(false), fTree(nullptr),
74 fFile(nullptr), fFiles(nullptr), fStatus(nullptr), fProofChain(nullptr), fGlobalRegistration(
mode == kWithGlobalRegistration)
81 gROOT->GetListOfSpecials()->Add(
this);
92 gROOT->GetListOfDataSets()->Add(
this);
96 gROOT->GetListOfCleanups()->Add(
this);
141 :
TTree(
name, title, 99, nullptr), fTreeOffsetLen(100), fNtrees(0), fTreeNumber(-1), fTreeOffset(nullptr),
142 fCanDeleteRefs(false), fTree(nullptr), fFile(nullptr), fFiles(nullptr), fStatus(nullptr), fProofChain(nullptr),
143 fGlobalRegistration(
mode == kWithGlobalRegistration)
162 gROOT->GetListOfSpecials()->Add(
this);
163 gROOT->GetListOfDataSets()->Add(
this);
166 gROOT->GetListOfCleanups()->Add(
this);
179 gROOT->GetListOfCleanups()->Remove(
this);
207 gROOT->GetListOfSpecials()->Remove(
this);
208 gROOT->GetListOfDataSets()->Remove(
this);
221 if (!chain)
return 0;
367 TString basename, treename, query, suffix;
377 std::vector<std::string> expanded_glob;
380 }
catch (
const std::runtime_error &) {
386 const TString hashMarkTreeName{
"#" + treename};
387 for (
const auto &path : expanded_glob) {
388 if (suffix == hashMarkTreeName) {
474 if(
name==
nullptr ||
name[0]==
'\0') {
475 Error(
"AddFile",
"No file name; no files connected");
479 const char *treename =
GetName();
480 if (tname && strlen(tname) > 0) treename = tname;
482 TString basename, tn, query, suffix;
486 treename = tn.
Data();
524 Error(
"AddFile",
"cannot find tree with name %s in file %s", treename,
filename);
533 pksize = tree->GetPacketSize();
554 Warning(
"AddFile",
"Adding tree with no entries from file: %s",
filename);
574 TIter next(filelist);
578 while ((o = next())) {
581 const char *url =
nullptr;
582 if (cn ==
"TFileInfo") {
586 Warning(
"AddFileInfoList",
"found TFileInfo with empty Url - ignoring");
589 }
else if (cn ==
"TUrl") {
590 url = ((
TUrl*)o)->GetUrl();
591 }
else if (cn ==
"TObjString") {
595 Warning(
"AddFileInfoList",
"object is of type %s : expecting TFileInfo, TUrl"
596 " or TObjString - ignoring", o->
ClassName());
681 Warning(
"AddFriend",
"Unknown TChain %s", chain);
708 Warning(
"AddFriend",
"Unknown TChain %s",chain);
718 if (!chain)
return nullptr;
829 if (
LoadTree(firstentry) < 0)
return 0;
923 Warning(
"GetBranchStatus",
"PROOF proxy not up-to-date:"
924 " run TChain::SetProof(true, true) first");
937 Fatal(
"GetClusterIterator",
"TChain objects are not supported");
961 Warning(
"GetEntries",
"PROOF proxy not up-to-date:"
962 " run TChain::SetProof(true, true) first");
983 if (treeReadEntry < 0) {
1007 if (localentry<0)
return -1;
1010 for (
Int_t i=0; i<=treenum; i++){
1035 if (serial < 0)
return -1;
1154 if (curmax > theMax) {
1171 if (curmin < theMin) {
1203 Warning(
"GetBranchStatus",
"PROOF proxy not up-to-date:"
1204 " run TChain::SetProof(true, true) first");
1239 Error(
"InPlaceClone",
"not implemented");
1276 Error(
"LoadBaskets",
"Function not yet implemented for TChain.");
1330 for (treenum = 0; treenum <
fNtrees; treenum++) {
1362 bool needUpdate =
false;
1365 if (fetree->IsUpdated()) {
1367 fetree->ResetUpdated();
1422 return treeReadEntry;
1427 external_fe->MarkUpdated();
1485 if (treeReadEntry) {
1506 Int_t returnCode = 0;
1523 Error(
"LoadTree",
"Cannot find tree with name %s in file %s", element->
GetName(), element->
GetTitle());
1627 if (loadResult == treeReadEntry) {
1653 if (treeReadEntry == -2) {
1730 return treeReadEntry;
1744 printf(
"TChain::Lookup - Looking up %d files .... \n", nelements);
1762 if (!stg || !stg->
Matches(eurl)) {
1769 Error(
"Lookup",
"TFileStager instance cannot be instantiated");
1773 Int_t n1 = (nelements > 100) ? (
Int_t) nelements / 100 : 1;
1775 if (nlook > 0 && !(nlook % n1)) {
1776 printf(
"Lookup | %3d %% finished\r", 100 * nlook / nelements);
1792 Error(
"Lookup",
"file %s does not exist\n", eurl.
Data());
1794 Error(
"Lookup",
"file %s cannot be read\n", eurl.
Data());
1798 printf(
"Lookup | %3d %% finished\n", 100 * nlook / nelements);
1810 Error(
"Loop",
"Function not yet implemented");
1815 if (
LoadTree(firstentry) < 0)
return;
1817 if (firstentry < 0) firstentry = 0;
1825 fSelector->Start(
option);
1829 for (tree=0;tree<
fNtrees;tree++) {
1832 if (en > lastentry) en = lastentry;
1833 if (entry > en)
continue;
1836 fSelector->BeginFile();
1838 while (entry <= en) {
1839 fSelector->Execute(
fTree, entry - e0);
1842 fSelector->EndFile();
1845 fSelector->Finish(
option);
1896 Error(
"Merge",
"not implemented");
1905 Error(
"Merge",
"not implemented");
2021 bool fastClone =
false;
2072 while ((branch = (
TBranch*) nextb())) {
2078 if (basketsize > 1000) {
2081 while ((branch = (
TBranch*) nextb())) {
2090 Error(
"Merge",
"TTree has not been cloned\n");
2169 if (anchor && anchor[0] !=
'\0') {
2175 if (strstr(anchor,
"=")) {
2194 static const char *dotr =
".root";
2195 static Ssiz_t dotrl = strlen(dotr);
2198 while (js !=
kNPOS) {
2202 if (pIdx !=
kNPOS) {
2203 static const char *
slash =
"/";
2207 if (ppIdx !=
kNPOS) {
2210 filename.Remove(ppIdx + slashl - 1);
2225 Printf(
"******************************************************************************");
2227 Printf(
"******************************************************************************");
2231 if (tree) tree->Print(
option);
2366 static Int_t chCounter = 0;
2372 chName += chCounter;
2377 out <<
" TChain *" << chName.
Data() <<
" = new TChain(\"" <<
GetName() <<
"\");" << std::endl;
2383 if (
dynamic_cast<TChain *
>(frtree)) {
2387 out <<
" " << chName.
Data() <<
"->AddFriend(\"" << frtree->
GetName() <<
"\");" << std::endl;
2390 if (file &&
dynamic_cast<TFile *
>(file))
2391 out <<
" " << chName.
Data() <<
"->AddFriend(\"" << frtree->
GetName() <<
"\", \"" << file->
GetName()
2392 <<
"\");" << std::endl;
2403 out <<
" " << chName.
Data() <<
"->AddFile(\"" << chel->
GetTitle() <<
"\");" << std::endl;
2545 if (cloneBr && (cloneBr->
GetAddress() == oldAdd)) {
2557 Error(
"SetBranchAddress",
"unknown branch -> %s", bname);
2704 if (elist->
GetN() == 0){
2722 const auto *subentrylists = elist->
GetLists();
2723 if(strcmp(opt,
"sync") == 0){
2725 std::string msg{
"In 'TChain::SetEntryList': "};
2726 msg +=
"the input TEntryList doesn't have sub entry lists. Please make sure too add them through ";
2727 msg +=
"TEntryList::AddSubList";
2728 throw std::runtime_error(msg);
2730 const auto nsubelists = subentrylists->GetEntries();
2731 if(nsubelists != ne){
2732 std::string msg{
"In 'TChain::SetEntryList': "};
2733 msg +=
"the number of sub entry lists in the input TEntryList (";
2734 msg += std::to_string(nsubelists);
2735 msg +=
") is not equal to the number of files in the chain (";
2736 msg += std::to_string(ne);
2738 throw std::runtime_error(msg);
2742 for (
Int_t ie = 0; ie<ne; ie++){
2744 treename = chainElement->GetName();
2745 filename = chainElement->GetTitle();
2747 if(strcmp(opt,
"sync") == 0){
2752 templist =
static_cast<TEntryList*
>(subentrylists->At(ie));
2756 if (strcmp(treename, elisttreename) != 0 || strcmp(
filename, elistfilename) != 0){
2757 std::string msg{
"In 'TChain::SetEntryList': "};
2758 msg +=
"the sub entry list at index ";
2759 msg += std::to_string(ie);
2760 msg +=
" doesn't correspond to treename '";
2762 msg +=
"' and filename '";
2764 msg +=
"': it has treename '";
2765 msg += elisttreename;
2766 msg +=
"' and filename '";
2767 msg += elistfilename;
2769 throw std::runtime_error(msg);
2782 if (listfound == 0){
2783 Error(
"SetEntryList",
"No list found for the trees in this chain");
2846 Int_t dotslashpos = basename.
Index(
".root/");
2848 if (dotslashpos>=0) {
2850 behind_dot_root = basename(dotslashpos+6,basename.
Length()-dotslashpos+6);
2852 basename.
Remove(dotslashpos+5);
2908 char enlistname[100];
2915 const char *treename;
2921 printf(
"loading trees\n");
2924 for (
Int_t i=0; i<nsel; i++){
2937 enlist->
Enter(localentry);
2952 gROOT->GetListOfCleanups()->Remove(
this);
2953 gROOT->GetListOfSpecials()->Remove(
this);
2954 gROOT->GetListOfDataSets()->Remove(
this);
2960 gROOT->GetListOfCleanups()->Add(
this);
2961 gROOT->GetListOfSpecials()->Add(
this);
2962 gROOT->GetListOfDataSets()->Add(
this);
3007 if ((
h =
gROOT->GetPluginManager()->FindHandler(
"TChain",
"proof"))) {
3008 if (
h->LoadPlugin() == -1)
3010 if (!(
fProofChain =
reinterpret_cast<TChain *
>(
h->ExecPlugin(2,
this, gettreeheader))))
3011 Error(
"SetProof",
"creation of TProofChain failed");
3053 if (
b.IsReading()) {
3057 gROOT->GetListOfCleanups()->Remove(
this);
3061 Version_t R__v =
b.ReadVersion(&R__s, &R__c);
3081 gROOT->GetListOfCleanups()->Add(
this);
TObject * clone(const char *newname) const override
size_t size(const MatrixT &matrix)
retrieve the size of a square matrix
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t Int_t Int_t UInt_t UInt_t Rectangle_t Int_t Int_t Window_t TString Int_t GCValues_t GetPrimarySelectionOwner GetDisplay GetScreen GetColormap GetNativeEvent const char const char dpyName wid window const char font_name cursor keysym reg const char only_if_exist regb h Point_t winding char text const char depth char const char Int_t count const char ColorStruct_t color const char filename
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void on
Option_t Option_t TPoint TPoint const char mode
R__EXTERN TVirtualMutex * gROOTMutex
void Printf(const char *fmt,...)
Formats a string in a circular formatting buffer and prints the string.
R__EXTERN TSystem * gSystem
#define R__LOCKGUARD(mutex)
#define R__WRITE_LOCKGUARD(mutex)
virtual void SaveMarkerAttributes(std::ostream &out, const char *name, Int_t coldef=1, Int_t stydef=1, Int_t sizdef=1)
Save line attributes as C++ statement(s) on output stream out.
A TTree is a list of TBranches.
virtual bool GetMakeClass() const
Return whether this branch is in a mode where the object are decomposed or not (Also known as MakeCla...
virtual char * GetAddress() const
void SetCompressionSettings(Int_t settings=ROOT::RCompressionSetting::EDefaults::kUseCompiledDefault)
Set compression settings.
virtual void SetAddress(void *add)
Set address of this branch.
virtual void SetAutoDelete(bool autodel=true)
Set the automatic delete bit.
virtual void SetBasketSize(Int_t buffsize)
Set the basket size The function makes sure that the basket size is greater than fEntryOffsetlen.
virtual bool SetMakeClass(bool decomposeObj=true)
Set the branch in a mode where the object are decomposed (Also known as MakeClass mode).
Using a TBrowser one can browse all ROOT objects.
Buffer base class used for serializing objects.
A TChainElement describes a component of a TChain.
void SetLoadResult(Int_t result)
virtual void SetBaddressClassName(const char *clname)
virtual Long64_t GetEntries() const
void SetCheckedType(bool m)
virtual void SetPacketSize(Int_t size=100)
Set number of entries per packet for parallel root.
void SetDecomposedObj(bool m)
virtual bool HasBeenLookedUp()
virtual void SetStatus(Int_t status)
virtual void SetLookedUp(bool y=true)
Set/Reset the looked-up bit.
virtual UInt_t GetBaddressType() const
virtual bool GetBaddressIsPtr() const
virtual void SetNumberEntries(Long64_t n)
virtual TBranch ** GetBranchPtr() const
virtual Int_t GetPacketSize() const
virtual void SetBaddress(void *add)
virtual void CreatePackets()
Initialize the packet descriptor string.
virtual void SetBranchPtr(TBranch **ptr)
Int_t GetLoadResult() const
void ls(Option_t *option="") const override
List files in the chain.
virtual Int_t GetStatus() const
virtual void * GetBaddress() const
virtual void SetBaddressType(UInt_t type)
bool GetCheckedType() const
virtual const char * GetBaddressClassName() const
virtual void SetBaddressIsPtr(bool isptr)
A chain is a collection of files containing TTree objects.
TLeaf * FindLeaf(const char *name) override
See TTree::GetReadEntry().
Int_t SetCacheSize(Long64_t cacheSize=-1) override
Set maximum size of the file cache .
virtual void CanDeleteRefs(bool flag=true)
When closing a file during the chain processing, the file may be closed with option "R" if flag is se...
TObjArray * GetListOfBranches() override
Return a pointer to the list of branches of the current tree.
void Streamer(TBuffer &) override
Stream a class object.
Long64_t GetEntryNumber(Long64_t entry) const override
Return entry number corresponding to entry.
Double_t GetWeight() const override
Return the chain weight.
virtual void SetAutoDelete(bool autodel=true)
Set the global branch kAutoDelete bit.
bool fCanDeleteRefs
! If true, TProcessIDs are deleted when closing a file
void SetEntryList(TEntryList *elist, Option_t *opt="") override
Set the input entry list (processing the entries of the chain will then be limited to the entries in ...
Int_t fNtrees
Number of trees.
TFriendElement * AddFriend(const char *chainname, const char *dummy="") override
Add a TFriendElement to the list of friends of this chain.
void DirectoryAutoAdd(TDirectory *) override
Override the TTree::DirectoryAutoAdd behavior: we never auto add.
TObjArray * GetListOfFiles() const
~TChain() override
Destructor.
Int_t LoadBaskets(Long64_t maxmemory) override
Dummy function.
TTree * GetTree() const override
void Print(Option_t *option="") const override
Print the header information of each tree in the chain.
void RecursiveRemove(TObject *obj) override
Make sure that obj (which is being deleted or will soon be) is no longer referenced by this TTree.
const char * GetAlias(const char *aliasName) const override
Returns the expanded value of the alias. Search in the friends if any.
TClass * IsA() const override
virtual void SetProof(bool on=true, bool refresh=false, bool gettreeheader=false)
Enable/Disable PROOF processing on the current default Proof (gProof).
virtual Int_t AddFile(const char *name, Long64_t nentries=TTree::kMaxEntries, const char *tname="")
Add a new file to this chain.
void Reset(Option_t *option="") override
Resets the state of this chain.
void ResetAfterMerge(TFileMergeInfo *) override
Resets the state of this chain after a merge (keep the customization but forget the data).
Long64_t * fTreeOffset
[fTreeOffsetLen] Array of variables
TBranch * FindBranch(const char *name) override
See TTree::GetReadEntry().
void ResetBranchAddresses() override
Reset the addresses of the branches.
void SavePrimitive(std::ostream &out, Option_t *option="") override
Save TChain as a C++ statements on output stream out.
void SetEventList(TEventList *evlist) override
This function transfroms the given TEventList into a TEntryList.
TObjArray * GetListOfLeaves() override
Return a pointer to the list of leaves of the current tree.
bool GetBranchStatus(const char *branchname) const override
See TTree::GetReadEntry().
TBranch * GetBranch(const char *name) override
Return pointer to the branch name in the current tree.
Int_t GetEntryWithIndex(Int_t major, Int_t minor=0) override
Return entry corresponding to major and minor number.
Long64_t Scan(const char *varexp="", const char *selection="", Option_t *option="", Long64_t nentries=kMaxEntries, Long64_t firstentry=0) override
Loop on tree and print entries passing selection.
Double_t GetMaximum(const char *columname) override
Return maximum of column with name columname.
void SetWeight(Double_t w=1, Option_t *option="") override
Set chain weight.
virtual void Loop(Option_t *option="", Long64_t nentries=kMaxEntries, Long64_t firstentry=0)
Loop on nentries of this chain starting at firstentry. (NOT IMPLEMENTED)
TChain * fProofChain
! chain proxy when going to be processed by PROOF
Int_t SetBranchAddress(const char *bname, void *add, TBranch **ptr=nullptr) override
Set branch address.
Long64_t Process(const char *filename, Option_t *option="", Long64_t nentries=kMaxEntries, Long64_t firstentry=0) override
Process all entries in this chain, calling functions in filename.
void RemoveFriend(TTree *) override
Remove a friend from the list of friends.
virtual Int_t AddFileInfoList(TCollection *list, Long64_t nfiles=TTree::kMaxEntries)
Add all files referenced in the list to the chain.
virtual void CreatePackets()
Initialize the packet descriptor string.
void ResetBranchAddress(TBranch *) override
Reset the addresses of the branch.
TList * fStatus
-> List of active/inactive branches (TChainElement, owned)
void SetDirectory(TDirectory *dir) override
Remove reference to this chain from current directory and add reference to new directory dir.
Double_t GetMinimum(const char *columname) override
Return minimum of column with name columname.
virtual Long64_t Merge(const char *name, Option_t *option="")
Merge all the entries in the chain into a new tree in a new file.
TTree * fTree
! Pointer to current tree (Note: We do not own this tree.)
virtual Int_t Add(TChain *chain)
Add all files referenced by the passed chain to this chain.
void ParseTreeFilename(const char *name, TString &filename, TString &treename, TString &query, TString &suffix) const
Get the tree url or filename and other information from the name.
bool InPlaceClone(TDirectory *newdirectory, const char *options="") override
Move content to a new file. (NOT IMPLEMENTED for TChain)
Int_t GetNbranches() override
Return the number of branches of the current tree.
Long64_t Draw(const char *varexp, const TCut &selection, Option_t *option="", Long64_t nentries=kMaxEntries, Long64_t firstentry=0) override
Draw expression varexp for selected entries.
bool fGlobalRegistration
! if true, bypass use of global lists
virtual void SetEntryListFile(const char *filename="", Option_t *opt="")
Set the input entry list (processing the entries of the chain will then be limited to the entries in ...
Long64_t GetChainEntryNumber(Long64_t entry) const override
Return absolute entry number in the chain.
Int_t fTreeOffsetLen
Current size of fTreeOffset array.
void SetName(const char *name) override
Change the name of this TChain.
void ls(Option_t *option="") const override
List the chain.
void SetBranchStatus(const char *bname, bool status=true, UInt_t *found=nullptr) override
Set branch status to Process or DoNotProcess.
Long64_t LoadTree(Long64_t entry) override
Find the tree which contains entry, and set it as the current tree.
TClusterIterator GetClusterIterator(Long64_t firstentry) override
Return an iterator over the cluster of baskets starting at firstentry.
void Browse(TBrowser *) override
Browse the contents of the chain.
TObjArray * fFiles
-> List of file names containing the trees (TChainElement, owned)
Long64_t GetReadEntry() const override
See TTree::GetReadEntry().
TFile * fFile
! Pointer to current file (We own the file).
virtual void UseCache(Int_t maxCacheSize=10, Int_t pageSize=0)
Dummy function kept for back compatibility.
void InvalidateCurrentTree()
Set the TTree to be reloaded as soon as possible.
Long64_t GetEntries() const override
Return the total number of entries in the chain.
TFile * GetFile() const
Return a pointer to the current file.
Int_t GetEntry(Long64_t entry=0, Int_t getall=0) override
Get entry from the file to memory.
virtual void SetPacketSize(Int_t size=100)
Set number of entries per packet for parallel root.
Int_t fTreeNumber
! Current Tree number in fTreeOffset table
void Lookup(bool force=false)
Check / locate the files in the chain.
TLeaf * GetLeaf(const char *branchname, const char *leafname) override
Return a pointer to the leaf name in the current tree.
TClass instances represent classes, structs and namespaces in the ROOT type system.
static TClass * GetClass(const char *name, Bool_t load=kTRUE, Bool_t silent=kFALSE)
Static method returning pointer to TClass of the specified class name.
Collection abstract base class.
A specialized string object used for TTree selections.
TObject * Get(const char *namecycle) override
Return pointer to object identified by namecycle.
TDirectory::TContext keeps track and restore the current directory.
Describe directory structure in memory.
virtual TList * GetList() const
virtual void Append(TObject *obj, Bool_t replace=kFALSE)
Append object to this directory.
virtual TFile * GetFile() const
virtual TObject * Remove(TObject *)
Remove an object from the in-memory list.
Manages entry lists from different files, when they are not loaded in memory at the same time.
A List of entry numbers in a TTree or TChain.
virtual bool Enter(Long64_t entry, TTree *tree=nullptr)
Add entry #entry to the list.
virtual TEntryList * GetEntryList(const char *treename, const char *filename, Option_t *opt="")
Return the entry list, corresponding to treename and filename By default, the filename is first tried...
virtual Int_t GetTreeNumber() const
virtual TList * GetLists() const
virtual void SetTree(const TTree *tree)
If a list for a tree with such name and filename exists, sets it as the current sublist If not,...
virtual void SetShift(bool shift)
virtual Long64_t GetEntryAndTree(Long64_t index, Int_t &treenum)
Return the index of "index"-th non-zero entry in the TTree or TChain and the # of the corresponding t...
virtual void SetReapplyCut(bool apply=false)
virtual void SetTreeNumber(Int_t index)
virtual void SetDirectory(TDirectory *dir)
Add reference to directory dir. dir can be 0.
virtual const char * GetTreeName() const
void GetFileName(const char *filename, TString &fn, bool *=nullptr)
To be able to re-localize the entry-list we identify the file by just the name and the anchor,...
virtual Long64_t GetN() const
A TEventList object is a list of selected events (entries) in a TTree.
virtual Long64_t GetEntry(Int_t index) const
Return value of entry at index in the list.
virtual bool GetReapplyCut() const
virtual Int_t GetN() const
Class describing a generic file including meta information.
TUrl * GetCurrentUrl() const
Return the current url.
virtual Bool_t Matches(const char *s)
static TFileStager * Open(const char *stager)
Open a stager, after having loaded the relevant plug-in.
virtual Int_t Locate(const char *u, TString &f)
Just check if the file exists locally.
A ROOT file is an on-disk file, usually with extension .root, that stores objects in a file-system-li...
virtual void SetCacheRead(TFileCacheRead *cache, TObject *tree=nullptr, ECacheAction action=kDisconnect)
Set a pointer to the read cache.
Int_t GetCompressionSettings() const
static TFile * Open(const char *name, Option_t *option="", const char *ftitle="", Int_t compress=ROOT::RCompressionSetting::EDefaults::kUseCompiledDefault, Int_t netopt=0)
Create / open a file.
void Close(Option_t *option="") override
Close a file.
A TFriendElement TF describes a TTree object TF in a file.
virtual TTree * GetTree()
Return pointer to friend TTree.
A TLeaf describes individual elements of a TBranch See TBranch structure in TTree.
void Streamer(TBuffer &) override
Stream all objects in the collection to or from the I/O buffer.
TObject * FindObject(const char *name) const override
Find an object in this list using its name.
void Add(TObject *obj) override
TObject * Remove(TObject *obj) override
Remove object from the list.
virtual TObjLink * FirstLink() const
void Delete(Option_t *option="") override
Remove all objects from the list AND delete all heap based objects.
The TNamed class is the base class for all named ROOT classes.
virtual void SetTitle(const char *title="")
Set the title of the TNamed.
const char * GetName() const override
Returns name of object.
const char * GetTitle() const override
Returns title of object.
void Streamer(TBuffer &) override
Stream all objects in the array to or from the I/O buffer.
Int_t GetEntries() const override
Return the number of objects in array (i.e.
void Delete(Option_t *option="") override
Remove all objects from the array AND delete all heap based objects.
TObject * At(Int_t idx) const override
TObject * UncheckedAt(Int_t i) const
TObject * Remove(TObject *obj) override
Remove object from array.
void Add(TObject *obj) override
Wrapper around a TObject so it can be stored in a TList.
Collectable string class.
Mother of all ROOT objects.
virtual Bool_t Notify()
This method must be overridden to handle object notification (the base implementation is no-op).
R__ALWAYS_INLINE Bool_t TestBit(UInt_t f) const
virtual const char * ClassName() const
Returns name of class to which the object belongs.
virtual void Warning(const char *method, const char *msgfmt,...) const
Issue warning message.
virtual void SavePrimitive(std::ostream &out, Option_t *option="")
Save a primitive as a C++ statement(s) on output stream "out".
R__ALWAYS_INLINE Bool_t IsZombie() const
void SetBit(UInt_t f, Bool_t set)
Set or unset the user status bits as specified in f.
virtual Bool_t InheritsFrom(const char *classname) const
Returns kTRUE if object inherits from class "classname".
virtual void Error(const char *method, const char *msgfmt,...) const
Issue error message.
virtual void Fatal(const char *method, const char *msgfmt,...) const
Issue fatal error message.
virtual void ls(Option_t *option="") const
The ls function lists the contents of a class on stdout.
@ kCanDelete
if object in a list can be deleted
@ kInvalidObject
if object ctor succeeded but object should not be used
@ kMustCleanup
if object destructor must call RecursiveRemove()
static Int_t IncreaseDirLevel()
Increase the indentation level for ls().
static Int_t DecreaseDirLevel()
Decrease the indentation level for ls().
A TSelector object is used by the TTree::Draw, TTree::Scan, TTree::Process to navigate in a TTree and...
void ToLower()
Change string to lower-case.
TString & Insert(Ssiz_t pos, const char *s)
void Clear()
Clear string without changing its capacity.
TString & Replace(Ssiz_t pos, Ssiz_t n, const char *s)
const char * Data() const
TString & ReplaceAll(const TString &s1, const TString &s2)
TString & Remove(Ssiz_t pos)
TString & Append(const char *cs)
Bool_t MaybeWildcard() const
Returns true if string contains one of the wildcard characters "[]*?".
static TString Format(const char *fmt,...)
Static method which formats a string using a printf style format descriptor and return a TString.
void Form(const char *fmt,...)
Formats a string using a printf style format descriptor.
Bool_t Contains(const char *pat, ECaseCompare cmp=kExact) const
Ssiz_t Index(const char *pat, Ssiz_t i=0, ECaseCompare cmp=kExact) const
virtual Bool_t AccessPathName(const char *path, EAccessMode mode=kFileExists)
Returns FALSE if one can access a file using the specified access mode.
virtual const char * BaseName(const char *pathname)
Base name of a file name. Base name of /user/root is root.
A cache to speed-up the reading of ROOT datasets.
virtual void UpdateBranches(TTree *tree)
Update pointer to current Tree and recompute pointers to the branches in the cache.
virtual void ResetCache()
This will simply clear the cache.
Helper class to iterate over cluster of baskets.
Helper class to prevent infinite recursion in the usage of TTree Friends.
A TTree represents a columnar dataset.
virtual TFriendElement * AddFriend(const char *treename, const char *filename="")
Add a TFriendElement to the list of friends.
virtual TBranch * FindBranch(const char *name)
Return the branch that correspond to the path 'branchname', which can include the name of the tree or...
virtual void SetBranchStatus(const char *bname, bool status=true, UInt_t *found=nullptr)
Set branch status to Process or DoNotProcess.
virtual TBranch * GetBranch(const char *name)
Return pointer to the branch with the given name in this tree or its friends.
TList * fFriends
pointer to list of friend elements
bool fIMTEnabled
! true if implicit multi-threading is enabled for this tree
virtual bool GetBranchStatus(const char *branchname) const
Return status of branch with name branchname.
UInt_t fFriendLockStatus
! Record which method is locking the friend recursion
TEventList * fEventList
! Pointer to event selection list (if one)
virtual Int_t GetEntry(Long64_t entry, Int_t getall=0)
Read all branches of entry and return total number of bytes read.
virtual void SetCircular(Long64_t maxEntries)
Enable/Disable circularity for this tree.
virtual TClusterIterator GetClusterIterator(Long64_t firstentry)
Return an iterator over the cluster of baskets starting at firstentry.
virtual void ResetBranchAddress(TBranch *)
Tell all of our branches to set their addresses to zero.
bool fCacheUserSet
! true if the cache setting was explicitly given by user
virtual Long64_t GetEntryNumberWithIndex(Long64_t major, Long64_t minor=0) const
Return entry number corresponding to major and minor number.
virtual TObjArray * GetListOfLeaves()
TFile * GetCurrentFile() const
Return pointer to the current file.
void Streamer(TBuffer &) override
Stream a class object.
TVirtualTreePlayer * GetPlayer()
Load the TTreePlayer (if not already done).
virtual Double_t GetWeight() const
void Draw(Option_t *opt) override
Default Draw method for all objects.
virtual Double_t GetMaximum(const char *columname)
Return maximum of column with name columname.
TVirtualTreePlayer * fPlayer
! Pointer to current Tree player
virtual void SetMakeClass(Int_t make)
Set all the branches in this TTree to be in decomposed object mode (also known as MakeClass mode).
TDirectory * GetDirectory() const
TTreeCache * GetReadCache(TFile *file) const
Find and return the TTreeCache registered with the file and which may contain branches for us.
Long64_t fEntries
Number of entries.
TEntryList * fEntryList
! Pointer to event selection list (if one)
virtual TVirtualIndex * GetTreeIndex() const
TList * fExternalFriends
! List of TFriendsElement pointing to us and need to be notified of LoadTree. Content not owned.
virtual void SetMaxVirtualSize(Long64_t size=0)
virtual void SetAutoSave(Long64_t autos=-300000000)
In case of a program crash, it will be possible to recover the data in the tree up to the last AutoSa...
virtual Long64_t Process(const char *filename, Option_t *option="", Long64_t nentries=kMaxEntries, Long64_t firstentry=0)
Process this tree executing the TSelector code in the specified filename.
virtual void ResetAfterMerge(TFileMergeInfo *)
Resets the state of this TTree after a merge (keep the customization but forget the data).
virtual Long64_t GetEntries() const
virtual TTree * CloneTree(Long64_t nentries=-1, Option_t *option="")
Create a clone of this tree and copy nentries.
virtual TLeaf * GetLeaf(const char *branchname, const char *leafname)
Return pointer to the 1st Leaf named name in any Branch of this Tree or any branch in the list of fri...
virtual void Reset(Option_t *option="")
Reset baskets, buffers and entries count in all branches and leaves.
virtual void SetImplicitMT(bool enabled)
Long64_t fMaxVirtualSize
Maximum total size of buffers kept in memory.
TVirtualPerfStats * fPerfStats
! pointer to the current perf stats object
Double_t fWeight
Tree weight (see TTree::SetWeight)
virtual Long64_t GetReadEntry() const
virtual TObjArray * GetListOfBranches()
virtual TTree * GetTree() const
virtual Long64_t LoadTree(Long64_t entry)
Set current entry.
virtual const char * GetAlias(const char *aliasName) const
Returns the expanded value of the alias. Search in the friends if any.
virtual Double_t GetMinimum(const char *columname)
Return minimum of column with name columname.
virtual void RemoveFriend(TTree *)
Remove a friend from the list of friends.
void Browse(TBrowser *) override
Browse content of the TTree.
virtual Long64_t LoadTreeFriend(Long64_t entry, TTree *T)
Load entry on behalf of our master tree, we may use an index.
Int_t Write(const char *name=nullptr, Int_t option=0, Int_t bufsize=0) override
Write this object to the current directory.
TObject * fNotify
Object to be notified when loading a Tree.
virtual TList * GetListOfClones()
Long64_t fCacheSize
! Maximum size of file buffers
TList * fClones
! List of cloned trees which share our addresses
virtual void CopyAddresses(TTree *, bool undo=false)
Set branch addresses of passed tree equal to ours.
virtual TList * GetListOfFriends() const
Long64_t fReadEntry
! Number of the entry being processed
virtual Int_t GetNbranches()
virtual TLeaf * FindLeaf(const char *name)
Find leaf..
TDirectory * fDirectory
! Pointer to directory holding this tree
@ kNeedEnableDecomposedObj
virtual void ResetBranchAddresses()
Tell all of our branches to drop their current objects and allocate new ones.
void SetName(const char *name) override
Change the name of this tree.
virtual Int_t SetCacheSize(Long64_t cachesize=-1)
Set maximum size of the file cache .
void AddClone(TTree *)
Add a cloned tree to our list of trees to be notified whenever we change our branch addresses or when...
virtual Int_t CheckBranchAddressType(TBranch *branch, TClass *ptrClass, EDataType datatype, bool ptr)
Check whether or not the address described by the last 3 parameters matches the content of the branch...
virtual Int_t GetFileNumber() const
virtual void SetChainOffset(Long64_t offset=0)
Int_t fPacketSize
! Number of entries in one packet for parallel root
virtual Long64_t GetChainOffset() const
virtual Long64_t Scan(const char *varexp="", const char *selection="", Option_t *option="", Long64_t nentries=kMaxEntries, Long64_t firstentry=0)
Loop over tree entries and print entries passing selection.
virtual Long64_t CopyEntries(TTree *tree, Long64_t nentries=-1, Option_t *option="", bool needCopyAddresses=false)
Copy nentries from given tree to this tree.
Int_t fMakeClass
! not zero when processing code generated by MakeClass
static constexpr Long64_t kMaxEntries
This class represents a WWW compatible URL.
const char * GetAnchor() const
const char * GetUrl(Bool_t withDeflt=kFALSE) const
Return full URL.
void SetAnchor(const char *anchor)
const char * GetFileAndOptions() const
Return the file and its options (the string specified behind the ?).
const char * GetFile() const
void SetUrl(const char *url, Bool_t defaultIsFile=kFALSE)
Parse url character string and split in its different subcomponents.
void SetOptions(const char *opt)
const char * GetOptions() const
const char * GetProtocol() const
virtual void UpdateFormulaLeaves(const TTree *parent)=0
virtual void SetFile(TFile *)=0
virtual void UpdateFormulaLeaves()=0
std::vector< std::string > ExpandGlob(const std::string &glob)
Expands input glob into a collection of full paths to files.
R__EXTERN TVirtualRWMutex * gCoreMutex