[u/mrichter/AliRoot.git] / STEER / TTreeStream.cxx

#include "TObjArray.h"
#include "TFile.h"
#include "TTree.h"
#include "TBrowser.h"
#include "TTreeStream.h"


ClassImp(TTreeDataElement)
ClassImp(TTreeStream)
ClassImp(TTreeSRedirector)

/*
  marian.ivanov@cern.ch
  //
  ------------------------------------------------------------------------------------------------
  TTreeStream
  Standard stream (cout) like input for the tree
  Run and see TTreeStreamer::Test() - to see TTreeStreamer functionality
  ------------------------------------------------------------------------------------------------  
  //
  -------------------------------------------------------------------------------------------------
  TTreeSRedirector
  Redirect file to  different TTreeStreams  
  Run and see   TTreeSRedirector::Test() as an example of TTreeSRedirectorer functionality 
  // 
*/


void TTreeStream::Test()
{
  //
  // 
  TFile *ftest = new TFile("teststreamer.root","recreate");
  if (!ftest) ftest = new TFile("teststreamer.root","new");
  //
  //create to streems Tree1 and Tree2
  TTreeStream stream1("Tree1");
  TTreeStream stream2("Tree2");
  //
  Char_t ch='s';
  Float_t f=3.;
  Float_t f2=1;
  TObject *po  = new TObject;
  TObject *po2 = new TObject;
  for (Int_t i=0;i<100000;i++) {
    f=i*100;
    po->SetUniqueID(i);
    po2->SetUniqueID(i*100);
    ch=i%120;
    //
    //    Stream the data
    //    The data layout of stream is defined during first invocation of streamer.
    //    Endl is the trigger which define the end of structure.
    // 
    //    The name of branch can be specified using strings with = at the the end
    //    if string is not specified automatic convention is u (sed B0, B1, ...Bn)
    stream1<<"i="<<i<<"ch="<<ch<<"f="<<f<<"po="<<po<<"\n";
    f  = 1./(100.1+i);
    f2 = -f;     
    //3.) just another example - we can fill the same tree with different objects
    //
    stream2<<f<<po<<"\n";
    stream2<<f2<<po2<<"\n";
  }
  //
  //4.) Close the streeamers (Write the streamed tree's to the file) and close the corresponding file.
  //
  stream1.Close();
  stream2.Close();
  ftest->Close();
  delete ftest;
  //
  //5.) and now see results  in file tteststreamer.root
}


void TTreeSRedirector::Test()
{
  //
  //Example test function to show functionality of TTreeSRedirector
  //
  //
  //1.)create the  redirector associated with file (testredirector.root)
  //
  //
  TTreeSRedirector *pmistream= new TTreeSRedirector("testredirector.root");
  TTreeSRedirector &mistream = *pmistream;
  Char_t ch='s';
  Float_t f=3.;
  Float_t f2=1;
  TObject *po  = new TObject;
  TObject *po2 = new TObject;
  for (Int_t i=0;i<100000;i++) {
    f=i*100;
    po->SetUniqueID(i);
    po2->SetUniqueID(i*100);
    ch=i%120;
    //
    //2.) create the tree with identifier specified by first argument
    //                                layout specified by sequence of arguments
    //                                Tree identifier has to be specified as first argument !!! 
    //    if the tree and layout was already defined the consistency if layout is checked
    //                                if the data are consisten fill given tree 
    //    the name of branch can be specified using strings with = at the the end
    //    if string is not specified use automatic convention  B0, B1, ...Bn
    mistream<<"TreeIdentifier"<<"i="<<i<<"ch="<<ch<<"f="<<f<<"po="<<po<<"\n";
    f  = 1./(100.1+i);
    f2 = -f; 
    
    //3.) just another example - we can fill the same tree with different objects
    //
    mistream<<"TreeK"<<f<<po<<"\n";
    mistream<<"TreeK"<<f2<<po2<<"\n";
  }
  //
  //4.) write the streamed tree's to the file and close the corresponding file in destructor
  //
  delete pmistream;
  //
  //5.) and now see results in file testredirector.root 
}


TTreeSRedirector::TTreeSRedirector(const char *fname){
  //
  //
  fFile = new TFile(fname,"recreate");
  if (!fFile){
    fFile = new TFile(fname,"new");
  }
  fDataLayouts =0;
}

TTreeSRedirector::~TTreeSRedirector(){
  //
  //
  Close();       //write the tree to the selected file
  fFile->Close();
  delete fFile;
}

TTreeStream  & TTreeSRedirector::operator<<(Int_t id)
{
  //
  // return reference to the data layout with given identifier
  // if not existing - creates new
  if (!fDataLayouts) fDataLayouts = new TObjArray(10000);
  TTreeStream *clayout=0;
  Int_t entries = fDataLayouts->GetEntriesFast();
  for (Int_t i=0;i<entries;i++){
    TTreeStream * layout = (TTreeStream*)fDataLayouts->At(i);
    if (!layout) continue;
    if (layout->fId==id) {
      clayout = layout;
      break;
    }
  }
  if (!clayout){
    fFile->cd();
    char chname[100];
    sprintf(chname,"Tree%d",id);
    clayout = new TTreeStream(chname);
    clayout->fId=id;
    fDataLayouts->AddAt(clayout,entries);
  }
  return *clayout;
}


TTreeStream  & TTreeSRedirector::operator<<(const char* name)
{
  //
  // return reference to the data layout with given identifier
  // if not existing - creates new
  if (!fDataLayouts) fDataLayouts = new TObjArray(10000);
  TTreeStream *clayout=(TTreeStream*)fDataLayouts->FindObject(name);
  Int_t entries = fDataLayouts->GetEntriesFast();

  if (!clayout){
    fFile->cd();
    clayout = new TTreeStream(name);
    clayout->fId=-1;
    clayout->SetName(name);
    fDataLayouts->AddAt(clayout,entries);    
  }
  return *clayout;
}


void TTreeSRedirector::Close(){
  //
  //
  TFile * backup = gFile;
  fFile->cd();
  if (fDataLayouts){
    Int_t entries = fDataLayouts->GetEntriesFast();
    for (Int_t i=0;i<entries;i++){
      TTreeStream * layout = (TTreeStream*)fDataLayouts->At(i);
      if (layout){
	if (layout->fTree) layout->fTree->Write(layout->GetName());
      }
    }
    delete fDataLayouts;
    fDataLayouts=0;
  }
  backup->cd();
}


//-------------------------------------------------------------
TTreeDataElement:: TTreeDataElement(Char_t type){
  //
  //
  fType   = type;
  fDType  = 0;
  fClass  = 0;
  fPointer= 0;
}
TTreeDataElement:: TTreeDataElement(TDataType* type){
  //
  //
  fType   = 0;
  fDType  = type;
  fClass  = 0;
  fPointer= 0;
}
TTreeDataElement:: TTreeDataElement(TClass* cl){
  //
  //
  fType   = 0;
  fDType  = 0;
  fClass  = cl;
  fPointer= 0;
}

//-------------------------------------------------------------------
TTreeStream::TTreeStream(const char *treename):TNamed(treename,treename){
  fElements =0;
  fTree =0;
  fCurrentIndex =0;
  fNextName="";
  fNextNameCounter=0;
  fTree = new TTree(treename, treename);
}

TTreeStream::~TTreeStream()
{
  fElements->Delete();
  fBranches->Clear();
  delete fElements;
  delete fBranches;
}

void TTreeStream::Close()
{
  //
  fTree->Write();
}

Int_t TTreeStream::CheckIn(Char_t type, void *pointer)
{
  if (!fElements) fElements = new TObjArray(1000);
  TTreeDataElement* element = (TTreeDataElement*)fElements->At(fCurrentIndex);
  if (!element) {
    element = new TTreeDataElement(type);
    //
    char name[1000];
    if (fNextName.Length()>0){
      if (fNextNameCounter==0){
	sprintf(name,"%s",(const char*)fNextName);
      }
      if (fNextNameCounter>0){
	sprintf(name,"%s%d",(const char*)fNextName,fNextNameCounter);
      }      
    }
    else{
      sprintf(name,"B%d.",fCurrentIndex);
    }
    element->SetName(name);
    //
    element->SetPointer(pointer);
    fElements->AddAt(element,fCurrentIndex);
    fCurrentIndex++;
    return 0; //new element added
  }
  if (element->GetType()!=type){
    fStatus++;
    return 1; //mismatched data element
  }
  element->SetPointer(pointer);
  fCurrentIndex++;
  return 0;
}

Int_t TTreeStream::CheckIn(TObject *o){
  //
  //
  if (!o) return 0;
  if (!fElements) fElements = new TObjArray(1000);
  TTreeDataElement* element = (TTreeDataElement*)fElements->At(fCurrentIndex);
  if (!element) {
    element = new TTreeDataElement(o->IsA());
    //
    char name[1000];
    if (fNextName.Length()>0){
      if (fNextNameCounter==0){
	sprintf(name,"%s",(const char*)fNextName);
      }
      if (fNextNameCounter>0){
	sprintf(name,"%s%d",(const char*)fNextName,fNextNameCounter);
      }      
    }
    else{
      sprintf(name,"B%d",fCurrentIndex);
    }
    element->SetName(name);

    element->SetPointer(o);
    fElements->AddAt(element,fCurrentIndex);
    fCurrentIndex++;
    return 0; //new element added
  }
  if (element->fClass!=o->IsA()){
    fStatus++;
    return 1; //mismatched data element
  }
  element->SetPointer(o);
  fCurrentIndex++;
  return 0;  
}

void TTreeStream::BuildTree(){
  //
  //
  if (fTree->GetEntries()>0) return;
  fTree = new TTree(GetName(),GetName());
  Int_t entries = fElements->GetEntriesFast();  
  fBranches = new TObjArray(entries);
  
  for (Int_t i=0;i<entries;i++){
    //
    TTreeDataElement* element = (TTreeDataElement*)fElements->At(i);
    char bname1[1000];
    if (element->GetName()[0]==0){
      sprintf(bname1,"B%d",i);
    }
    else{
      sprintf(bname1,element->GetName());
    }
    if (element->fClass){
      if (element->fClass->GetBaseClass("TClonesArray")){
	TBranch * br = fTree->Branch(bname1,&(element->fPointer));
	fBranches->AddAt(br,i);
      }else
	{
	  TBranch * br = fTree->Branch(bname1,element->fClass->GetName(),&(element->fPointer));
	  fBranches->AddAt(br,i);
	}
    }
    if (element->GetType()>0){
      char bname2[1000];
      sprintf(bname2,"B%d/%c",i,element->GetType());
      TBranch * br = fTree->Branch(bname1,element->fPointer,bname2);
      fBranches->AddAt(br,i);
    }
  }
}

void TTreeStream::Fill(){
  //
  //
  if (fTree) { 
    Int_t entries=fElements->GetEntriesFast();
    if (entries>fTree->GetNbranches()) BuildTree();
    for (Int_t i=0;i<entries;i++){    
      TTreeDataElement* el  = (TTreeDataElement*)fElements->At(i);
      if (!el) continue;
      if (!el->GetType()) continue;
      TBranch      * br  = (TBranch*)fBranches->At(i);
      if (br &&el){
	if (el->GetType())  br->SetAddress(el->fPointer);
      }
    }
    if (fStatus==0) fTree->Fill(); //fill only in case of non conflicts
    fStatus=0;
  }
}

TTreeStream & TTreeStream::Endl(){
  if (fTree->GetNbranches()==0) BuildTree();
  Fill();
  fStatus =0;
  fCurrentIndex=0;
  return *this;
}


TTreeStream  &TTreeStream::operator<<(Char_t *name)
{
  //
  //
  //
  //Endl 
  if (name[0]=='\n'){
    return Endl();
  }
  //
  //if tree was already defined ignore
  if (fTree->GetEntries()>0) return *this;
  //check branch name if tree was not 
  //
  Int_t last=0;
  for (last=0;;last++){
    if (name[last]==0) break;    
  }
  
  if (last>0&&name[last-1]=='='){
    fNextName = name;
    fNextName[last-1]=0;
    fNextNameCounter=0;
  }
  return *this;
}
Commit	Line	Data
cd246117	1	#include "TObjArray.h"
	2	#include "TFile.h"
	3	#include "TTree.h"
	4	#include "TBrowser.h"
	5	#include "TTreeStream.h"
	6
	7
	8	ClassImp(TTreeDataElement)
	9	ClassImp(TTreeStream)
	10	ClassImp(TTreeSRedirector)
	11
	12	/*
	13	marian.ivanov@cern.ch
	14	//
	15	------------------------------------------------------------------------------------------------
	16	TTreeStream
	17	Standard stream (cout) like input for the tree
	18	Run and see TTreeStreamer::Test() - to see TTreeStreamer functionality
	19	------------------------------------------------------------------------------------------------
	20	//
	21	-------------------------------------------------------------------------------------------------
	22	TTreeSRedirector
	23	Redirect file to different TTreeStreams
	24	Run and see TTreeSRedirector::Test() as an example of TTreeSRedirectorer functionality
	25	//
	26	*/
	27
	28
	29	void TTreeStream::Test()
	30	{
	31	//
	32	//
	33	TFile *ftest = new TFile("teststreamer.root","recreate");
	34	if (!ftest) ftest = new TFile("teststreamer.root","new");
	35	//
	36	//create to streems Tree1 and Tree2
	37	TTreeStream stream1("Tree1");
	38	TTreeStream stream2("Tree2");
	39	//
	40	Char_t ch='s';
	41	Float_t f=3.;
	42	Float_t f2=1;
	43	TObject *po = new TObject;
	44	TObject *po2 = new TObject;
	45	for (Int_t i=0;i<100000;i++) {
	46	f=i*100;
	47	po->SetUniqueID(i);
	48	po2->SetUniqueID(i*100);
	49	ch=i%120;
	50	//
	51	// Stream the data
	52	// The data layout of stream is defined during first invocation of streamer.
	53	// Endl is the trigger which define the end of structure.
	54	//
	55	// The name of branch can be specified using strings with = at the the end
	56	// if string is not specified automatic convention is u (sed B0, B1, ...Bn)
	57	stream1<<"i="<<i<<"ch="<<ch<<"f="<<f<<"po="<<po<<"\n";
	58	f = 1./(100.1+i);
	59	f2 = -f;
	60	//3.) just another example - we can fill the same tree with different objects
	61	//
	62	stream2<<f<<po<<"\n";
	63	stream2<<f2<<po2<<"\n";
	64	}
65	//
66	//4.) Close the streeamers (Write the streamed tree's to the file) and close the corresponding file.
67	//
68	stream1.Close();
69	stream2.Close();
70	ftest->Close();
71	delete ftest;
72	//
73	//5.) and now see results in file tteststreamer.root
74	}
75
76
77
78	void TTreeSRedirector::Test()
79	{
80	//
81	//Example test function to show functionality of TTreeSRedirector
82	//
83	//
84	//1.)create the redirector associated with file (testredirector.root)
85	//
86	//
87	TTreeSRedirector *pmistream= new TTreeSRedirector("testredirector.root");
88	TTreeSRedirector &mistream = *pmistream;
89	Char_t ch='s';
90	Float_t f=3.;
91	Float_t f2=1;
92	TObject *po = new TObject;
93	TObject *po2 = new TObject;
94	for (Int_t i=0;i<100000;i++) {
95	f=i*100;
96	po->SetUniqueID(i);
97	po2->SetUniqueID(i*100);
98	ch=i%120;
99	//
100	//2.) create the tree with identifier specified by first argument
101	// layout specified by sequence of arguments
102	// Tree identifier has to be specified as first argument !!!
103	// if the tree and layout was already defined the consistency if layout is checked
104	// if the data are consisten fill given tree
105	// the name of branch can be specified using strings with = at the the end
106	// if string is not specified use automatic convention B0, B1, ...Bn
107	mistream<<"TreeIdentifier"<<"i="<<i<<"ch="<<ch<<"f="<<f<<"po="<<po<<"\n";
108	f = 1./(100.1+i);
109	f2 = -f;
110
111	//3.) just another example - we can fill the same tree with different objects
112	//
113	mistream<<"TreeK"<<f<<po<<"\n";
114	mistream<<"TreeK"<<f2<<po2<<"\n";
115	}
116	//
117	//4.) write the streamed tree's to the file and close the corresponding file in destructor
118	//
119	delete pmistream;
120	//
121	//5.) and now see results in file testredirector.root
122	}
123
124
125
126
127
128
129	TTreeSRedirector::TTreeSRedirector(const char *fname){
130	//
131	//
132	fFile = new TFile(fname,"recreate");
133	if (!fFile){
134	fFile = new TFile(fname,"new");
135	}
136	fDataLayouts =0;
cd246117	137	}
	138
	139	TTreeSRedirector::~TTreeSRedirector(){
	140	//
	141	//
	142	Close(); //write the tree to the selected file
	143	fFile->Close();
	144	delete fFile;
	145	}
	146
	147	TTreeStream & TTreeSRedirector::operator<<(Int_t id)
	148	{
	149	//
	150	// return reference to the data layout with given identifier
	151	// if not existing - creates new
	152	if (!fDataLayouts) fDataLayouts = new TObjArray(10000);
	153	TTreeStream *clayout=0;
	154	Int_t entries = fDataLayouts->GetEntriesFast();
	155	for (Int_t i=0;i<entries;i++){
	156	TTreeStream * layout = (TTreeStream*)fDataLayouts->At(i);
	157	if (!layout) continue;
	158	if (layout->fId==id) {
	159	clayout = layout;
	160	break;
	161	}
	162	}
	163	if (!clayout){
2fca8fe0	164	fFile->cd();
cd246117	165	char chname[100];
	166	sprintf(chname,"Tree%d",id);
	167	clayout = new TTreeStream(chname);
	168	clayout->fId=id;
	169	fDataLayouts->AddAt(clayout,entries);
	170	}
	171	return *clayout;
	172	}
	173
	174
	175	TTreeStream & TTreeSRedirector::operator<<(const char* name)
	176	{
	177	//
	178	// return reference to the data layout with given identifier
	179	// if not existing - creates new
	180	if (!fDataLayouts) fDataLayouts = new TObjArray(10000);
2fca8fe0	181	TTreeStream clayout=(TTreeStream)fDataLayouts->FindObject(name);
cd246117	182	Int_t entries = fDataLayouts->GetEntriesFast();
2fca8fe0	183
cd246117	184	if (!clayout){
2fca8fe0	185	fFile->cd();
cd246117	186	clayout = new TTreeStream(name);
	187	clayout->fId=-1;
	188	clayout->SetName(name);
cd246117	189	fDataLayouts->AddAt(clayout,entries);
	190	}
	191	return *clayout;
	192	}
	193
	194
	195
	196
	197	void TTreeSRedirector::Close(){
	198	//
	199	//
2fca8fe0	200	TFile * backup = gFile;
	201	fFile->cd();
	202	if (fDataLayouts){
	203	Int_t entries = fDataLayouts->GetEntriesFast();
	204	for (Int_t i=0;i<entries;i++){
	205	TTreeStream * layout = (TTreeStream*)fDataLayouts->At(i);
	206	if (layout){
	207	if (layout->fTree) layout->fTree->Write(layout->GetName());
	208	}
	209	}
	210	delete fDataLayouts;
	211	fDataLayouts=0;
cd246117	212	}
2fca8fe0	213	backup->cd();
cd246117	214	}
	215
	216
	217
	218	//-------------------------------------------------------------
	219	TTreeDataElement:: TTreeDataElement(Char_t type){
	220	//
	221	//
	222	fType = type;
	223	fDType = 0;
	224	fClass = 0;
	225	fPointer= 0;
	226	}
	227	TTreeDataElement:: TTreeDataElement(TDataType* type){
	228	//
	229	//
	230	fType = 0;
	231	fDType = type;
	232	fClass = 0;
	233	fPointer= 0;
	234	}
	235	TTreeDataElement:: TTreeDataElement(TClass* cl){
	236	//
	237	//
	238	fType = 0;
	239	fDType = 0;
	240	fClass = cl;
	241	fPointer= 0;
	242	}
	243
	244	//-------------------------------------------------------------------
	245	TTreeStream::TTreeStream(const char *treename):TNamed(treename,treename){
	246	fElements =0;
	247	fTree =0;
	248	fCurrentIndex =0;
	249	fNextName="";
	250	fNextNameCounter=0;
	251	fTree = new TTree(treename, treename);
	252	}
	253
	254	TTreeStream::~TTreeStream()
	255	{
	256	fElements->Delete();
	257	fBranches->Clear();
	258	delete fElements;
	259	delete fBranches;
	260	}
	261
	262	void TTreeStream::Close()
	263	{
	264	//
	265	fTree->Write();
	266	}
	267
	268	Int_t TTreeStream::CheckIn(Char_t type, void *pointer)
	269	{
	270	if (!fElements) fElements = new TObjArray(1000);
	271	TTreeDataElement* element = (TTreeDataElement*)fElements->At(fCurrentIndex);
	272	if (!element) {
	273	element = new TTreeDataElement(type);
	274	//
	275	char name[1000];
	276	if (fNextName.Length()>0){
	277	if (fNextNameCounter==0){
278	sprintf(name,"%s",(const char*)fNextName);
279	}
280	if (fNextNameCounter>0){
281	sprintf(name,"%s%d",(const char*)fNextName,fNextNameCounter);
282	}
283	}
284	else{
285	sprintf(name,"B%d.",fCurrentIndex);
286	}
287	element->SetName(name);
288	//
289	element->SetPointer(pointer);
290	fElements->AddAt(element,fCurrentIndex);
291	fCurrentIndex++;
292	return 0; //new element added
293	}
294	if (element->GetType()!=type){
295	fStatus++;
296	return 1; //mismatched data element
297	}
298	element->SetPointer(pointer);
299	fCurrentIndex++;
300	return 0;
301	}
302
303	Int_t TTreeStream::CheckIn(TObject *o){
304	//
305	//
306	if (!o) return 0;
307	if (!fElements) fElements = new TObjArray(1000);
308	TTreeDataElement* element = (TTreeDataElement*)fElements->At(fCurrentIndex);
309	if (!element) {
310	element = new TTreeDataElement(o->IsA());
311	//
312	char name[1000];
313	if (fNextName.Length()>0){
314	if (fNextNameCounter==0){
315	sprintf(name,"%s",(const char*)fNextName);
316	}
317	if (fNextNameCounter>0){
318	sprintf(name,"%s%d",(const char*)fNextName,fNextNameCounter);
319	}
320	}
321	else{
322	sprintf(name,"B%d",fCurrentIndex);
323	}
324	element->SetName(name);
325
326	element->SetPointer(o);
327	fElements->AddAt(element,fCurrentIndex);
328	fCurrentIndex++;
329	return 0; //new element added
330	}
331	if (element->fClass!=o->IsA()){
332	fStatus++;
333	return 1; //mismatched data element
334	}
335	element->SetPointer(o);
336	fCurrentIndex++;
337	return 0;
338	}
339
340	void TTreeStream::BuildTree(){
341	//
342	//
343	if (fTree->GetEntries()>0) return;
344	fTree = new TTree(GetName(),GetName());
345	Int_t entries = fElements->GetEntriesFast();
346	fBranches = new TObjArray(entries);
347
348	for (Int_t i=0;i<entries;i++){
349	//
350	TTreeDataElement* element = (TTreeDataElement*)fElements->At(i);
351	char bname1[1000];
352	if (element->GetName()[0]==0){
353	sprintf(bname1,"B%d",i);
354	}
355	else{
356	sprintf(bname1,element->GetName());
357	}
358	if (element->fClass){
2fca8fe0	359	if (element->fClass->GetBaseClass("TClonesArray")){
	360	TBranch * br = fTree->Branch(bname1,&(element->fPointer));
	361	fBranches->AddAt(br,i);
	362	}else
	363	{
	364	TBranch * br = fTree->Branch(bname1,element->fClass->GetName(),&(element->fPointer));
	365	fBranches->AddAt(br,i);
	366	}
cd246117	367	}
	368	if (element->GetType()>0){
	369	char bname2[1000];
	370	sprintf(bname2,"B%d/%c",i,element->GetType());
	371	TBranch * br = fTree->Branch(bname1,element->fPointer,bname2);
	372	fBranches->AddAt(br,i);
	373	}
	374	}
	375	}
	376
	377	void TTreeStream::Fill(){
	378	//
	379	//
	380	if (fTree) {
	381	Int_t entries=fElements->GetEntriesFast();
	382	if (entries>fTree->GetNbranches()) BuildTree();
	383	for (Int_t i=0;i<entries;i++){
	384	TTreeDataElement* el = (TTreeDataElement*)fElements->At(i);
	385	if (!el) continue;
	386	if (!el->GetType()) continue;
	387	TBranch * br = (TBranch*)fBranches->At(i);
	388	if (br &&el){
	389	if (el->GetType()) br->SetAddress(el->fPointer);
	390	}
	391	}
	392	if (fStatus==0) fTree->Fill(); //fill only in case of non conflicts
	393	fStatus=0;
	394	}
	395	}
	396
	397	TTreeStream & TTreeStream::Endl(){
	398	if (fTree->GetNbranches()==0) BuildTree();
	399	Fill();
	400	fStatus =0;
	401	fCurrentIndex=0;
	402	return *this;
	403	}
	404
	405
	406	TTreeStream &TTreeStream::operator<<(Char_t *name)
	407	{
	408	//
	409	//
	410	//
	411	//Endl
	412	if (name[0]=='\n'){
	413	return Endl();
	414	}
	415	//
	416	//if tree was already defined ignore
	417	if (fTree->GetEntries()>0) return *this;
	418	//check branch name if tree was not
	419	//
	420	Int_t last=0;
	421	for (last=0;;last++){
	422	if (name[last]==0) break;
	423	}
	424
	425	if (last>0&&name[last-1]=='='){
	426	fNextName = name;
	427	fNextName[last-1]=0;
	428	fNextNameCounter=0;
	429	}
	430	return *this;
431	}
432