[u/mrichter/AliRoot.git] / ANALYSIS / AliAnalysisDataContainer.cxx

/**************************************************************************
 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

/* $Id$ */
// Author: Andrei Gheata, 31/05/2006

//==============================================================================
//   AliAnalysysDataContainer - Container of data of arbitrary type deriving
//      from TObject used for analysis. A container must be connected to the 
//      output data slot of a single analysis task (producer) , but also as 
//      input slot for possibly several other tasks (consumers). The connected 
//      slots must enforce the same data type as the container (or a derived type).
//      A container becomes the owner of the contained data once this was produced.
//
// Containers should be defined by the analysis module using:
//
//   AliAnalysisModule::AddContainer(const char *name, TClass *type);
//
// A container should be connected to a producer:

//   AliAnalysisModule::ConnectOutput(AliAnalysisTask *task,
//                                    AliAnalysisDataContainer *cont)
// and to its consumers:
//
//   AliAnalysisModule::ConnectInput(AliAnalysisTask *task, Int_t islot,
//                                   AliAnalysisDataContainer *cont)
//
// The container will create an implicit connection between the producer task 
// and all consumers, which will become sub-tasks of the producer.
//
//==============================================================================

#include <Riostream.h>
#include <TMethodCall.h>

#include <TClass.h>
#include <TTree.h>
#include <TH1.h>
#include <TROOT.h>

#include "AliAnalysisDataContainer.h"
#include "AliAnalysisDataSlot.h"
#include "AliAnalysisTask.h"

ClassImp(AliAnalysisDataContainer)

//______________________________________________________________________________
AliAnalysisDataContainer::AliAnalysisDataContainer() : TNamed(),
                          fDataReady(kFALSE),
                          fOwnedData(kFALSE),
                          fFileName(),
                          fData(NULL),
                          fType(NULL),
                          fProducer(NULL),
                          fConsumers(NULL)
{
// Dummy ctor.
}

//______________________________________________________________________________
AliAnalysisDataContainer::AliAnalysisDataContainer(const char *name, TClass *type)
                         :TNamed(name,""),
                          fDataReady(kFALSE),
                          fOwnedData(kTRUE),
                          fFileName(),
                          fData(NULL),
                          fType(type),
                          fProducer(NULL),
                          fConsumers(NULL)
{
// Default constructor.
   SetTitle(fType->GetName());
}

//______________________________________________________________________________
AliAnalysisDataContainer::AliAnalysisDataContainer(const AliAnalysisDataContainer &cont)
                         :TNamed(cont),
                          fDataReady(cont.fDataReady),
                          fOwnedData(kFALSE),
                          fFileName(cont.fFileName),
                          fData(cont.fData),
                          fType(NULL),
                          fProducer(cont.fProducer),
                          fConsumers(NULL)
{
// Copy ctor.
   GetType();
   if (cont.fConsumers) {
      fConsumers = new TObjArray(2);
      Int_t ncons = cont.fConsumers->GetEntriesFast();
      for (Int_t i=0; i<ncons; i++) fConsumers->Add(cont.fConsumers->At(i));
   }   
}

//______________________________________________________________________________
AliAnalysisDataContainer::~AliAnalysisDataContainer()
{
// Destructor. Deletes data ! (What happens if data is a container ???)
   if (fData && fOwnedData) delete fData;
   if (fConsumers) delete fConsumers;
}

//______________________________________________________________________________
AliAnalysisDataContainer &AliAnalysisDataContainer::operator=(const AliAnalysisDataContainer &cont)
{
// Assignment.
   if (&cont != this) {
      TNamed::operator=(cont);
      fDataReady = cont.fDataReady;
      fOwnedData = kFALSE;  // !!! Data owned by cont.
      fFileName = cont.fFileName;
      fData = cont.fData;
      GetType();
      fProducer = cont.fProducer;
      if (cont.fConsumers) {
         fConsumers = new TObjArray(2);
         Int_t ncons = cont.fConsumers->GetEntriesFast();
         for (Int_t i=0; i<ncons; i++) fConsumers->Add(cont.fConsumers->At(i));
      }   
   }   
   return *this;
}      

//______________________________________________________________________________
void AliAnalysisDataContainer::AddConsumer(AliAnalysisTask *consumer, Int_t islot)
{
// Add a consumer for contained data;
   AliAnalysisDataSlot *slot = consumer->GetInputSlot(islot);
   if (!slot || !slot->GetType()) {
     cout<<"Consumer task "<< consumer->GetName()<<" does not have an input/type #"<<islot<<endl;
     //AliError(Form("Consumer task %s does not have an input #%i", consumer->GetName(),islot));
      return;
   }
   if (!slot->GetType()->InheritsFrom(GetType())) {
     cout<<"Data type "<<slot->GetTitle()<<" for input slot "<<islot<<" of task "<<consumer->GetName()<<" does not match container type "<<GetTitle()<<endl;  
     //AliError(Form("Data type %s for input slot %i of task %s does not match container type %s", slot->GetType()->GetName(),islot,consumer->GetName(),fType->GetName()));
      return;
   }   

   if (!fConsumers) fConsumers = new TObjArray(2);   
   fConsumers->Add(consumer);
   // Add the consumer task to the list of task of the producer
   if (fProducer && !fProducer->GetListOfTasks()->FindObject(consumer)) 
      fProducer->Add(consumer);
}      

//______________________________________________________________________________
Bool_t AliAnalysisDataContainer::ClientsExecuted() const
{
// Check if all client tasks have executed.
   TIter next(fConsumers);
   AliAnalysisTask *task;
   while ((task=(AliAnalysisTask*)next())) {
      if (!task->HasExecuted()) return kFALSE;
   }
   return kTRUE;
}   

//______________________________________________________________________________
void AliAnalysisDataContainer::DeleteData()
{
// Delete data if not needed anymore.
   if (!fDataReady || !ClientsExecuted()) {
     cout<<"Data not ready or not all clients of container "<<GetName()<<" executed. Data not deleted."<<endl;
     //AliWarning(Form("Data not ready or not all clients of container %s executed. Data not deleted.", GetName()));
      return;
   }
   if (!fOwnedData) {
     cout<<"Data not owned by container "<<GetName()<<". Not deleted."<<endl;
     //AliWarning(Form("Data not owned by container %s. Not deleted.", GetName()));
      return;
   }
   delete fData;
   fData = 0;
   fDataReady = kFALSE;
}   

//______________________________________________________________________________
TClass *AliAnalysisDataContainer::GetType() const
{
// Get class type for this slot.
   AliAnalysisDataContainer *cont = (AliAnalysisDataContainer*)this;
   if (!fType) cont->SetType(gROOT->GetClass(fTitle.Data()));
   if (!fType) printf("AliAnalysisDataContainer: Unknown class: %s\n", GetTitle());
   return fType;
}

//______________________________________________________________________________
void AliAnalysisDataContainer::GetEntry(Long64_t ientry)
{
// If data is ready and derives from TTree or from TBranch, this will get the
// requested entry in memory if not already loaded.
   if (!fDataReady || !GetType()) return;
   Bool_t istree = fType->InheritsFrom(TTree::Class());
   if (istree) {
      TTree *tree = (TTree*)fData;
      if (tree->GetReadEntry() != ientry) tree->GetEntry(ientry);
      return;
   }   
   Bool_t isbranch = fType->InheritsFrom(TBranch::Class());
   if (isbranch) {
      TBranch *branch = (TBranch*)fData;
      if (branch->GetReadEntry() != ientry) branch->GetEntry(ientry);
      return;
   }   
}   

//______________________________________________________________________________
Long64_t AliAnalysisDataContainer::Merge(TCollection *list)
{
// Merge a list of containers with this one. Containers in the list must have
// data of the same type.
   if (!list || !fData) return 0;
   printf("Merging %d containers %s\n", list->GetSize()+1, GetName());
   TMethodCall callEnv;
   if (fData->IsA())
      callEnv.InitWithPrototype(fData->IsA(), "Merge", "TCollection*");
   if (!callEnv.IsValid() && !list->IsEmpty()) {
      cout << "No merge interface for data stored by " << GetName() << ". Merging not possible !" << endl;
      return 1;
   }

   if (list->IsEmpty()) return 1;

   TIter next(list);
   AliAnalysisDataContainer *cont;
   // Make a list where to temporary store the data to be merged.
   TList *collectionData = new TList();
   Int_t count = 0; // object counter
   while ((cont=(AliAnalysisDataContainer*)next())) {
      TObject *data = cont->GetData();
      if (!data) continue;
      if (strcmp(cont->GetName(), GetName())) {
         cout << "Not merging containers with different names !" << endl;
         continue;
      }
      printf(" ... merging object %s\n", data->GetName());
      collectionData->Add(data);
      count++;
   }
   callEnv.SetParam((Long_t) collectionData);
   callEnv.Execute(fData);
   delete collectionData;

   return count+1;
}

//______________________________________________________________________________
void AliAnalysisDataContainer::PrintContainer(Option_t *option, Int_t indent) const
{
// Print info about this container.
   TString ind;
   for (Int_t i=0; i<indent; i++) ind += " ";
   TString opt(option);
   opt.ToLower();
   Bool_t dep = (opt.Contains("dep"))?kTRUE:kFALSE;
   if (!dep) {
      printf("%sContainer: %s  type: %s POST_LOOP=%i", ind.Data(), GetName(), GetTitle(), IsPostEventLoop());
      if (fProducer) 
         printf("%s = Data producer: task %s",ind.Data(),fProducer->GetName());
      else
         printf("%s= No data producer",ind.Data());
      printf("%s = Consumer tasks: ", ind.Data());
      if (!fConsumers || !fConsumers->GetEntriesFast()) printf("-none-\n");
      else printf("\n");
   }
   printf("Filename: %s\n", fFileName.Data());
   TIter next(fConsumers);
   AliAnalysisTask *task;
   while ((task=(AliAnalysisTask*)next())) task->PrintTask(option, indent+3);
}   

//______________________________________________________________________________
Bool_t AliAnalysisDataContainer::SetData(TObject *data, Option_t *)
{
// Set the data as READY only if it was published by the producer.
   // If there is no producer declared, this is a top level container.
   AliAnalysisTask *task;
   Bool_t init = kFALSE;
   Int_t i, nc;
   if (!fProducer) {
      if (data != fData) init = kTRUE;
      fData = data;
      fDataReady = kTRUE;
      if (fConsumers) {
         nc = fConsumers->GetEntriesFast();
         for (i=0; i<nc; i++) {
            task = (AliAnalysisTask*)fConsumers->At(i);
            task->CheckNotify(init);
         }
      }      
      return kTRUE;
   }
   // Check if it is the producer who published the data     
   if (fProducer->GetPublishedData()==data) {
      fData = data;
      fDataReady = kTRUE;
      if (fConsumers) {
         nc = fConsumers->GetEntriesFast();
         for (i=0; i<nc; i++) {
            task = (AliAnalysisTask*)fConsumers->At(i);
            task->CheckNotify();
         }
      }      
      return kTRUE;   
   } else {
     cout<<"Data for container "<<GetName()<<" can be published only by producer task "<<fProducer->GetName()<<endl;
     //AliWarning(Form("Data for container %s can be published only by producer task %s", GetName(), fProducer->GetName()));   
     return kFALSE;           
   }              
}

//______________________________________________________________________________
void AliAnalysisDataContainer::SetProducer(AliAnalysisTask *prod, Int_t islot)
{
// Set the producer of data. The slot number is required for data type checking.
   if (fProducer) {
     cout<<"Data container "<<GetName()<<" already has a producer: "<<fProducer->GetName()<<endl;
     //AliWarning(Form("Data container %s already has a producer: %s",GetName(),fProducer->GetName()));
   } 
   if (fDataReady) {
     cout<<GetName()<<" container contains data - cannot change producer!"<<endl;
     //AliError(Form("%s container contains data - cannot change producer!", GetName()));
      return;
   }   
   AliAnalysisDataSlot *slot = prod->GetOutputSlot(islot);
   if (!slot) {
     cout<<"Producer task "<<prod->GetName()<<" does not have an output #"<<islot<<endl;
     //AliError(Form("Producer task %s does not have an output #%i", prod->GetName(),islot));
      return;
   }   
   if (!slot->GetType()->InheritsFrom(GetType())) {
     cout<<"Data type "<<slot->GetTitle()<<"for output slot "<<islot<<" of task "<<prod->GetName()<<" does not match container type "<<GetTitle()<<endl;
     //AliError(Form("Data type %s for output slot %i of task %s does not match container type %s", slot->GetType()->GetName(),islot,prod->GetName(),fType->GetName()));
      return;
   }   
   
   fProducer = prod;
   // Add all consumers as daughter tasks
   TIter next(fConsumers);
   AliAnalysisTask *cons;
   while ((cons=(AliAnalysisTask*)next())) {
      if (!prod->GetListOfTasks()->FindObject(cons)) prod->Add(cons);
   }   
}   

//______________________________________________________________________________
AliAnalysisDataWrapper *AliAnalysisDataContainer::ExportData() const
{
// Wraps data for sending it through the net.
   AliAnalysisDataWrapper *pack = 0;
   if (!fData) return pack;
   pack = new AliAnalysisDataWrapper(fData);
   pack->SetName(fName.Data());
   return pack;
}

//______________________________________________________________________________
void AliAnalysisDataContainer::ImportData(AliAnalysisDataWrapper *pack)
{
// Unwraps data from a data wrapper.
   if (pack) {
      fData = pack->Data();
      fDataReady = kTRUE;
      // Imported wrappers do not own data anymore (AG 13-11-07)
      pack->SetDeleteData(kFALSE);
   }   
}      
      
ClassImp (AliAnalysisDataWrapper)

//______________________________________________________________________________
AliAnalysisDataWrapper::AliAnalysisDataWrapper(TObject *data)
                       :TNamed(),
                        fData(data)
{
// Ctor.
   if (data) SetName(data->GetName());
}

//______________________________________________________________________________
AliAnalysisDataWrapper::~AliAnalysisDataWrapper()
{
// Dtor.
   if (fData && TObject::TestBit(kDeleteData)) delete fData;
}   

//______________________________________________________________________________
AliAnalysisDataWrapper &AliAnalysisDataWrapper::operator=(const AliAnalysisDataWrapper &other)
{
// Assignment.
   if (&other != this) {
      TNamed::operator=(other);
      fData = other.fData;
   }   
   return *this;
}

//______________________________________________________________________________
Long64_t AliAnalysisDataWrapper::Merge(TCollection *list)
{
// Merge a list of containers with this one. Containers in the list must have
// data of the same type.
   if (TH1::AddDirectoryStatus()) TH1::AddDirectory(kFALSE);
   if (!fData) return 0;
   if (!list || list->IsEmpty()) return 1;

   TMethodCall callEnv;
   if (fData->IsA())
      callEnv.InitWithPrototype(fData->IsA(), "Merge", "TCollection*");
   if (!callEnv.IsValid()) {
      cout << "No merge interface for data stored by " << GetName() << ". Merging not possible !" << endl;
      return 1;
   }

   TIter next1(list);
   AliAnalysisDataWrapper *cont;
   // Make a list where to temporary store the data to be merged.
   TList *collectionData = new TList();
   Int_t count = 0; // object counter
   // printf("Wrapper %s 0x%lx (data=%s) merged with:\n", GetName(), (ULong_t)this, fData->ClassName());
   while ((cont=(AliAnalysisDataWrapper*)next1())) {
      TObject *data = cont->Data();
      if (!data) continue;
      // printf("   - %s 0x%lx (data=%s)\n", cont->GetName(), (ULong_t)cont, data->ClassName());
      collectionData->Add(data);
      count++;
   }
   callEnv.SetParam((Long_t) collectionData);
   callEnv.Execute(fData);
   delete collectionData;

   return count+1;
}
Commit	Line	Data
d3106602	1	/**************************************************************************
	2	* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	3	* *
	4	* Author: The ALICE Off-line Project. *
	5	* Contributors are mentioned in the code where appropriate. *
	6	* *
	7	* Permission to use, copy, modify and distribute this software and its *
	8	* documentation strictly for non-commercial purposes is hereby granted *
	9	* without fee, provided that the above copyright notice appears in all *
	10	* copies and that both the copyright notice and this permission notice *
	11	* appear in the supporting documentation. The authors make no claims *
	12	* about the suitability of this software for any purpose. It is *
	13	* provided "as is" without express or implied warranty. *
	14	**************************************************************************/
	15
	16	/* $Id$ */
	17	// Author: Andrei Gheata, 31/05/2006
	18
	19	//==============================================================================
	20	// AliAnalysysDataContainer - Container of data of arbitrary type deriving
	21	// from TObject used for analysis. A container must be connected to the
	22	// output data slot of a single analysis task (producer) , but also as
	23	// input slot for possibly several other tasks (consumers). The connected
	24	// slots must enforce the same data type as the container (or a derived type).
	25	// A container becomes the owner of the contained data once this was produced.
	26	//
	27	// Containers should be defined by the analysis module using:
	28	//
	29	// AliAnalysisModule::AddContainer(const char name, TClass type);
	30	//
	31	// A container should be connected to a producer:
	32
	33	// AliAnalysisModule::ConnectOutput(AliAnalysisTask *task,
	34	// AliAnalysisDataContainer *cont)
	35	// and to its consumers:
	36	//
	37	// AliAnalysisModule::ConnectInput(AliAnalysisTask *task, Int_t islot,
	38	// AliAnalysisDataContainer *cont)
	39	//
	40	// The container will create an implicit connection between the producer task
	41	// and all consumers, which will become sub-tasks of the producer.
	42	//
	43	//==============================================================================
	44
c52c2132	45	#include <Riostream.h>
c52c2132	46	#include <TMethodCall.h>
11026a80	47
c52c2132	48	#include <TClass.h>
c52c2132	49	#include <TTree.h>
ca78991b	50	#include <TH1.h>
c52c2132	51	#include <TROOT.h>
d3106602	52
	53	#include "AliAnalysisDataContainer.h"
	54	#include "AliAnalysisDataSlot.h"
	55	#include "AliAnalysisTask.h"
	56
	57	ClassImp(AliAnalysisDataContainer)
	58
	59	//______________________________________________________________________________
37a26056	60	AliAnalysisDataContainer::AliAnalysisDataContainer() : TNamed(),
	61	fDataReady(kFALSE),
	62	fOwnedData(kFALSE),
c52c2132	63	fFileName(),
37a26056	64	fData(NULL),
	65	fType(NULL),
	66	fProducer(NULL),
	67	fConsumers(NULL)
d3106602	68	{
c52c2132	69	// Dummy ctor.
d3106602	70	}
37a26056	71
d3106602	72	//______________________________________________________________________________
d3106602	73	AliAnalysisDataContainer::AliAnalysisDataContainer(const char name, TClass type)
37a26056	74	:TNamed(name,""),
	75	fDataReady(kFALSE),
	76	fOwnedData(kTRUE),
c52c2132	77	fFileName(),
37a26056	78	fData(NULL),
	79	fType(type),
	80	fProducer(NULL),
	81	fConsumers(NULL)
d3106602	82	{
c52c2132	83	// Default constructor.
c52c2132	84	SetTitle(fType->GetName());
37a26056	85	}
	86
	87	//______________________________________________________________________________
	88	AliAnalysisDataContainer::AliAnalysisDataContainer(const AliAnalysisDataContainer &cont)
	89	:TNamed(cont),
	90	fDataReady(cont.fDataReady),
	91	fOwnedData(kFALSE),
c52c2132	92	fFileName(cont.fFileName),
37a26056	93	fData(cont.fData),
c52c2132	94	fType(NULL),
37a26056	95	fProducer(cont.fProducer),
	96	fConsumers(NULL)
	97	{
	98	// Copy ctor.
c52c2132	99	GetType();
37a26056	100	if (cont.fConsumers) {
	101	fConsumers = new TObjArray(2);
	102	Int_t ncons = cont.fConsumers->GetEntriesFast();
	103	for (Int_t i=0; i<ncons; i++) fConsumers->Add(cont.fConsumers->At(i));
	104	}
d3106602	105	}
	106
	107	//______________________________________________________________________________
	108	AliAnalysisDataContainer::~AliAnalysisDataContainer()
	109	{
	110	// Destructor. Deletes data ! (What happens if data is a container ???)
	111	if (fData && fOwnedData) delete fData;
	112	if (fConsumers) delete fConsumers;
	113	}
	114
37a26056	115	//______________________________________________________________________________
	116	AliAnalysisDataContainer &AliAnalysisDataContainer::operator=(const AliAnalysisDataContainer &cont)
	117	{
	118	// Assignment.
	119	if (&cont != this) {
	120	TNamed::operator=(cont);
	121	fDataReady = cont.fDataReady;
	122	fOwnedData = kFALSE; // !!! Data owned by cont.
c52c2132	123	fFileName = cont.fFileName;
37a26056	124	fData = cont.fData;
c52c2132	125	GetType();
37a26056	126	fProducer = cont.fProducer;
	127	if (cont.fConsumers) {
	128	fConsumers = new TObjArray(2);
	129	Int_t ncons = cont.fConsumers->GetEntriesFast();
	130	for (Int_t i=0; i<ncons; i++) fConsumers->Add(cont.fConsumers->At(i));
	131	}
	132	}
	133	return *this;
	134	}
	135
c52c2132	136	//______________________________________________________________________________
	137	void AliAnalysisDataContainer::AddConsumer(AliAnalysisTask *consumer, Int_t islot)
	138	{
	139	// Add a consumer for contained data;
	140	AliAnalysisDataSlot *slot = consumer->GetInputSlot(islot);
	141	if (!slot \|\| !slot->GetType()) {
	142	cout<<"Consumer task "<< consumer->GetName()<<" does not have an input/type #"<<islot<<endl;
	143	//AliError(Form("Consumer task %s does not have an input #%i", consumer->GetName(),islot));
	144	return;
	145	}
	146	if (!slot->GetType()->InheritsFrom(GetType())) {
	147	cout<<"Data type "<<slot->GetTitle()<<" for input slot "<<islot<<" of task "<<consumer->GetName()<<" does not match container type "<<GetTitle()<<endl;
	148	//AliError(Form("Data type %s for input slot %i of task %s does not match container type %s", slot->GetType()->GetName(),islot,consumer->GetName(),fType->GetName()));
	149	return;
	150	}
	151
	152	if (!fConsumers) fConsumers = new TObjArray(2);
	153	fConsumers->Add(consumer);
	154	// Add the consumer task to the list of task of the producer
	155	if (fProducer && !fProducer->GetListOfTasks()->FindObject(consumer))
	156	fProducer->Add(consumer);
	157	}
	158
	159	//______________________________________________________________________________
	160	Bool_t AliAnalysisDataContainer::ClientsExecuted() const
	161	{
	162	// Check if all client tasks have executed.
	163	TIter next(fConsumers);
	164	AliAnalysisTask *task;
	165	while ((task=(AliAnalysisTask*)next())) {
	166	if (!task->HasExecuted()) return kFALSE;
	167	}
	168	return kTRUE;
	169	}
	170
	171	//______________________________________________________________________________
	172	void AliAnalysisDataContainer::DeleteData()
	173	{
	174	// Delete data if not needed anymore.
	175	if (!fDataReady \|\| !ClientsExecuted()) {
	176	cout<<"Data not ready or not all clients of container "<<GetName()<<" executed. Data not deleted."<<endl;
	177	//AliWarning(Form("Data not ready or not all clients of container %s executed. Data not deleted.", GetName()));
	178	return;
	179	}
	180	if (!fOwnedData) {
	181	cout<<"Data not owned by container "<<GetName()<<". Not deleted."<<endl;
	182	//AliWarning(Form("Data not owned by container %s. Not deleted.", GetName()));
	183	return;
	184	}
	185	delete fData;
	186	fData = 0;
	187	fDataReady = kFALSE;
	188	}
	189
	190	//______________________________________________________________________________
	191	TClass *AliAnalysisDataContainer::GetType() const
	192	{
	193	// Get class type for this slot.
	194	AliAnalysisDataContainer cont = (AliAnalysisDataContainer)this;
	195	if (!fType) cont->SetType(gROOT->GetClass(fTitle.Data()));
	196	if (!fType) printf("AliAnalysisDataContainer: Unknown class: %s\n", GetTitle());
	197	return fType;
	198	}
	199
200	//______________________________________________________________________________
201	void AliAnalysisDataContainer::GetEntry(Long64_t ientry)
202	{
203	// If data is ready and derives from TTree or from TBranch, this will get the
204	// requested entry in memory if not already loaded.
205	if (!fDataReady \|\| !GetType()) return;
206	Bool_t istree = fType->InheritsFrom(TTree::Class());
207	if (istree) {
208	TTree tree = (TTree)fData;
209	if (tree->GetReadEntry() != ientry) tree->GetEntry(ientry);
210	return;
211	}
212	Bool_t isbranch = fType->InheritsFrom(TBranch::Class());
213	if (isbranch) {
214	TBranch branch = (TBranch)fData;
215	if (branch->GetReadEntry() != ientry) branch->GetEntry(ientry);
216	return;
217	}
218	}
219
220	//______________________________________________________________________________
221	Long64_t AliAnalysisDataContainer::Merge(TCollection *list)
222	{
223	// Merge a list of containers with this one. Containers in the list must have
224	// data of the same type.
225	if (!list \|\| !fData) return 0;
226	printf("Merging %d containers %s\n", list->GetSize()+1, GetName());
227	TMethodCall callEnv;
228	if (fData->IsA())
229	callEnv.InitWithPrototype(fData->IsA(), "Merge", "TCollection*");
230	if (!callEnv.IsValid() && !list->IsEmpty()) {
231	cout << "No merge interface for data stored by " << GetName() << ". Merging not possible !" << endl;
232	return 1;
37153431	233	}
37153431	234
c52c2132	235	if (list->IsEmpty()) return 1;
	236
	237	TIter next(list);
37153431	238	AliAnalysisDataContainer *cont;
c52c2132	239	// Make a list where to temporary store the data to be merged.
	240	TList *collectionData = new TList();
	241	Int_t count = 0; // object counter
	242	while ((cont=(AliAnalysisDataContainer*)next())) {
	243	TObject *data = cont->GetData();
	244	if (!data) continue;
	245	if (strcmp(cont->GetName(), GetName())) {
	246	cout << "Not merging containers with different names !" << endl;
	247	continue;
	248	}
	249	printf(" ... merging object %s\n", data->GetName());
	250	collectionData->Add(data);
	251	count++;
37153431	252	}
c52c2132	253	callEnv.SetParam((Long_t) collectionData);
	254	callEnv.Execute(fData);
	255	delete collectionData;
37153431	256
37153431	257	return count+1;
c52c2132	258	}
	259
	260	//______________________________________________________________________________
	261	void AliAnalysisDataContainer::PrintContainer(Option_t *option, Int_t indent) const
	262	{
	263	// Print info about this container.
	264	TString ind;
	265	for (Int_t i=0; i<indent; i++) ind += " ";
	266	TString opt(option);
	267	opt.ToLower();
	268	Bool_t dep = (opt.Contains("dep"))?kTRUE:kFALSE;
	269	if (!dep) {
b1310ef5	270	printf("%sContainer: %s type: %s POST_LOOP=%i", ind.Data(), GetName(), GetTitle(), IsPostEventLoop());
c52c2132	271	if (fProducer)
12856ea6	272	printf("%s = Data producer: task %s",ind.Data(),fProducer->GetName());
c52c2132	273	else
12856ea6	274	printf("%s= No data producer",ind.Data());
12856ea6	275	printf("%s = Consumer tasks: ", ind.Data());
c52c2132	276	if (!fConsumers \|\| !fConsumers->GetEntriesFast()) printf("-none-\n");
c52c2132	277	else printf("\n");
37153431	278	}
37153431	279	printf("Filename: %s\n", fFileName.Data());
c52c2132	280	TIter next(fConsumers);
	281	AliAnalysisTask *task;
	282	while ((task=(AliAnalysisTask*)next())) task->PrintTask(option, indent+3);
	283	}
	284
d3106602	285	//______________________________________________________________________________
327eaf46	286	Bool_t AliAnalysisDataContainer::SetData(TObject data, Option_t )
d3106602	287	{
d3106602	288	// Set the data as READY only if it was published by the producer.
d3106602	289	// If there is no producer declared, this is a top level container.
d3106602	290	AliAnalysisTask *task;
327eaf46	291	Bool_t init = kFALSE;
d3106602	292	Int_t i, nc;
d3106602	293	if (!fProducer) {
327eaf46	294	if (data != fData) init = kTRUE;
d3106602	295	fData = data;
	296	fDataReady = kTRUE;
	297	if (fConsumers) {
	298	nc = fConsumers->GetEntriesFast();
	299	for (i=0; i<nc; i++) {
	300	task = (AliAnalysisTask*)fConsumers->At(i);
327eaf46	301	task->CheckNotify(init);
d3106602	302	}
	303	}
	304	return kTRUE;
37153431	305	}
d3106602	306	// Check if it is the producer who published the data
	307	if (fProducer->GetPublishedData()==data) {
	308	fData = data;
	309	fDataReady = kTRUE;
d3106602	310	if (fConsumers) {
	311	nc = fConsumers->GetEntriesFast();
	312	for (i=0; i<nc; i++) {
	313	task = (AliAnalysisTask*)fConsumers->At(i);
	314	task->CheckNotify();
	315	}
	316	}
	317	return kTRUE;
	318	} else {
11026a80	319	cout<<"Data for container "<<GetName()<<" can be published only by producer task "<<fProducer->GetName()<<endl;
	320	//AliWarning(Form("Data for container %s can be published only by producer task %s", GetName(), fProducer->GetName()));
	321	return kFALSE;
d3106602	322	}
	323	}
	324
d3106602	325	//______________________________________________________________________________
	326	void AliAnalysisDataContainer::SetProducer(AliAnalysisTask *prod, Int_t islot)
	327	{
	328	// Set the producer of data. The slot number is required for data type checking.
	329	if (fProducer) {
11026a80	330	cout<<"Data container "<<GetName()<<" already has a producer: "<<fProducer->GetName()<<endl;
11026a80	331	//AliWarning(Form("Data container %s already has a producer: %s",GetName(),fProducer->GetName()));
d3106602	332	}
d3106602	333	if (fDataReady) {
11026a80	334	cout<<GetName()<<" container contains data - cannot change producer!"<<endl;
11026a80	335	//AliError(Form("%s container contains data - cannot change producer!", GetName()));
d3106602	336	return;
	337	}
	338	AliAnalysisDataSlot *slot = prod->GetOutputSlot(islot);
	339	if (!slot) {
11026a80	340	cout<<"Producer task "<<prod->GetName()<<" does not have an output #"<<islot<<endl;
11026a80	341	//AliError(Form("Producer task %s does not have an output #%i", prod->GetName(),islot));
d3106602	342	return;
d3106602	343	}
c52c2132	344	if (!slot->GetType()->InheritsFrom(GetType())) {
c52c2132	345	cout<<"Data type "<<slot->GetTitle()<<"for output slot "<<islot<<" of task "<<prod->GetName()<<" does not match container type "<<GetTitle()<<endl;
11026a80	346	//AliError(Form("Data type %s for output slot %i of task %s does not match container type %s", slot->GetType()->GetName(),islot,prod->GetName(),fType->GetName()));
d3106602	347	return;
	348	}
	349
	350	fProducer = prod;
	351	// Add all consumers as daughter tasks
	352	TIter next(fConsumers);
	353	AliAnalysisTask *cons;
	354	while ((cons=(AliAnalysisTask*)next())) {
	355	if (!prod->GetListOfTasks()->FindObject(cons)) prod->Add(cons);
	356	}
	357	}
981f2614	358
	359	//______________________________________________________________________________
	360	AliAnalysisDataWrapper *AliAnalysisDataContainer::ExportData() const
	361	{
	362	// Wraps data for sending it through the net.
	363	AliAnalysisDataWrapper *pack = 0;
	364	if (!fData) return pack;
	365	pack = new AliAnalysisDataWrapper(fData);
	366	pack->SetName(fName.Data());
	367	return pack;
	368	}
	369
	370	//______________________________________________________________________________
	371	void AliAnalysisDataContainer::ImportData(AliAnalysisDataWrapper *pack)
	372	{
	373	// Unwraps data from a data wrapper.
	374	if (pack) {
	375	fData = pack->Data();
	376	fDataReady = kTRUE;
8167b1d0	377	// Imported wrappers do not own data anymore (AG 13-11-07)
8167b1d0	378	pack->SetDeleteData(kFALSE);
981f2614	379	}
981f2614	380	}
d3106602	381
981f2614	382	ClassImp (AliAnalysisDataWrapper)
981f2614	383
8167b1d0	384	//______________________________________________________________________________
	385	AliAnalysisDataWrapper::AliAnalysisDataWrapper(TObject *data)
	386	:TNamed(),
	387	fData(data)
	388	{
	389	// Ctor.
	390	if (data) SetName(data->GetName());
	391	}
	392
	393	//______________________________________________________________________________
	394	AliAnalysisDataWrapper::~AliAnalysisDataWrapper()
	395	{
	396	// Dtor.
	397	if (fData && TObject::TestBit(kDeleteData)) delete fData;
	398	}
	399
981f2614	400	//______________________________________________________________________________
	401	AliAnalysisDataWrapper &AliAnalysisDataWrapper::operator=(const AliAnalysisDataWrapper &other)
	402	{
	403	// Assignment.
	404	if (&other != this) {
	405	TNamed::operator=(other);
	406	fData = other.fData;
	407	}
	408	return *this;
	409	}
	410
	411	//______________________________________________________________________________
	412	Long64_t AliAnalysisDataWrapper::Merge(TCollection *list)
	413	{
	414	// Merge a list of containers with this one. Containers in the list must have
	415	// data of the same type.
ca78991b	416	if (TH1::AddDirectoryStatus()) TH1::AddDirectory(kFALSE);
981f2614	417	if (!fData) return 0;
	418	if (!list \|\| list->IsEmpty()) return 1;
	419
981f2614	420	TMethodCall callEnv;
981f2614	421	if (fData->IsA())
	422	callEnv.InitWithPrototype(fData->IsA(), "Merge", "TCollection*");
	423	if (!callEnv.IsValid()) {
	424	cout << "No merge interface for data stored by " << GetName() << ". Merging not possible !" << endl;
	425	return 1;
	426	}
	427
8eedd442	428	TIter next1(list);
981f2614	429	AliAnalysisDataWrapper *cont;
	430	// Make a list where to temporary store the data to be merged.
	431	TList *collectionData = new TList();
	432	Int_t count = 0; // object counter
ca78991b	433	// printf("Wrapper %s 0x%lx (data=%s) merged with:\n", GetName(), (ULong_t)this, fData->ClassName());
8eedd442	434	while ((cont=(AliAnalysisDataWrapper*)next1())) {
981f2614	435	TObject *data = cont->Data();
981f2614	436	if (!data) continue;
ca78991b	437	// printf(" - %s 0x%lx (data=%s)\n", cont->GetName(), (ULong_t)cont, data->ClassName());
981f2614	438	collectionData->Add(data);
	439	count++;
	440	}
	441	callEnv.SetParam((Long_t) collectionData);
	442	callEnv.Execute(fData);
	443	delete collectionData;
	444
	445	return count+1;
	446	}