AliHMPIDTaskQA *AddTaskHmpidQA(Bool_t useMC=kTRUE)

{

// Creates a HMPID task, configures it and adds it to the analysis manager.

// Get the pointer to the existing analysis manager via the static access method.

//==============================================================================

AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();

if (!mgr) {

::Error("AddTaskHmpidQA", "No analysis manager to connect to.");

return NULL;

}

// Check the analysis type using the event handlers connected to the analysis manager.

//==============================================================================

if (!mgr->GetInputEventHandler()) {

::Error("AddTaskHmpidQA", "This task requires an input event handler");

return NULL;

}

// Create the task and configure it.

//===========================================================================

AliHMPIDTaskQA *hmpTask = new AliHMPIDTaskQA("HMPIDTaskQA");

hmpTask->SetDebugLevel(0);

hmpTask->SelectCollisionCandidates();

hmpTask->SetUseMC(useMC);

mgr->AddTask(hmpTask);

AliAnalysisDataContainer *cout_hmpid= mgr->CreateContainer("HmpidQA", TList::Class(),AliAnalysisManager::kOutputContainer,

Form("%s:HmpidQA",AliAnalysisManager::GetCommonFileName()));

AliAnalysisDataContainer *cout_tree = mgr->CreateContainer("HmpidTree", TTree::Class(),AliAnalysisManager::kOutputContainer,

Form("%s:HmpidQA",AliAnalysisManager::GetCommonFileName()));

// Create ONLY the output containers for the data produced by the task.

// Get and connect other common input/output containers via the manager as below

//==============================================================================

mgr->ConnectInput (hmpTask, 0, mgr->GetCommonInputContainer());

mgr->ConnectOutput (hmpTask, 0, mgr->GetCommonOutputContainer());

mgr->ConnectOutput (hmpTask, 1, cout_hmpid);

mgr->ConnectOutput (hmpTask, 2, cout_tree);

return hmpTask;

}