Refactoring for dN/deta tasks, more diagnostics histograms in event selector

[u/mrichter/AliRoot.git] / PWG2 / FORWARD / analysis2 / AliForwarddNdetaTask.h

//
// Task to analyse the AOD for for dN/deta in the forward regions 
//
#ifndef ALIFORWARDDNDETATASK_H
#define ALIFORWARDDNDETATASK_H
#include <AliBasedNdetaTask.h>
class TList;
class TH2D;
class TH1D;

/**
 * Task to determine the 
 */
class AliForwarddNdetaTask : public AliBasedNdetaTask
{
public:
  /** 
   * Constructor 
   * 
   */
  AliForwarddNdetaTask();
  /** 
   * Constructor
   * 
   * @param name    Name of task 
   * @param maxVtx  Set @f$v_z@f$ range
   */
  AliForwarddNdetaTask(const char* name);
  /**
   * Destructor
   * 
   */
  virtual ~AliForwarddNdetaTask() {}
  /** 
   * Called at end of event processing.. 
   *
   * This is called once in the master 
   * 
   * @param option Not used 
   */
  virtual void Terminate(Option_t* option);
protected:
  /** 
   * Copy constructor 
   */
  AliForwarddNdetaTask(const AliForwarddNdetaTask& o);
  /** 
   * Assigmement operator
   * 
   * @return Reference to this
   */
  AliForwarddNdetaTask& operator=(const AliForwarddNdetaTask&) { return *this; }

  /** 
   * Retrieve the histogram 
   * 
   * @param aod AOD event 
   * @param mc  Whether to get the MC histogram or not
   * 
   * @return Retrieved histogram or null
   */
  TH2D* GetHistogram(AliAODEvent* aod, Bool_t mc);
  TH2D*           fSumPrimary;    //  Sum of primary histograms
  TNamed*         fSNNString;     // 
  TNamed*         fSysString;     // 

  ClassDef(AliForwarddNdetaTask,1); // Determine multiplicity in forward region
};

#endif
//
// Local Variables:
//  mode: C++
// End:
//