TIDAHistogram.h

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#ifndef   TIDA_HISTOGRAM_H
#define   TIDA_HISTOGRAM_H
 
#include "GaudiKernel/ToolHandle.h"
#include "AthenaMonitoringKernel/GenericMonitoringTool.h"
 
#include "AthenaMonitoringKernel/Monitored.h"
 
#include <string>
 
namespace TIDA {
 
template<typename T> 
class Histogram { 
 
public:
 
  Histogram() : m_monTool(0), m_name("") { } 
  
  Histogram( ToolHandle<GenericMonitoringTool>* m, const std::string& name ) : m_monTool(m), m_name(name)  { 
    //    std::cout << "book: " << m_name << "  " << m_monTool->name() << std::endl;
  } 
 
  void Fill( T d ) const { 
    if ( m_monTool ) { 
        //  std::cout << "Histogram::Fill() monTool " << m_monTool << "\tname: " << m_name << "\td: " << d << "\t" << monTool()->name() << std::endl;
        auto s = Monitored::Scalar<T>( m_name, d ); 
        Monitored::Group( *m_monTool, s );
    }
    else std::cerr << "Histogram " << m_name << "\tmonTool not defined" << std::endl;
  }
 
  void Fill( T d, T w ) const { 
    if ( m_monTool ) { 
        // std::cout << "Histogram::Fill() monTool " << m_monTool << "\tname: " << m_name << "\td: " << d << "\tw:" << w << std::endl;
    auto s  = Monitored::Scalar<T>( m_name, d );
    auto sw = Monitored::Scalar<T>( m_name+"_weight", w ); 
    Monitored::Group( *m_monTool, s, sw );
    }
    else std::cerr << "Histogram " << m_name << "\tmonTool not defined" << std::endl;
  }
 
  const std::string& name() const { return m_name; }
 
  ToolHandle<GenericMonitoringTool>* monTool() const { return m_monTool; };
 
  const Histogram* operator->() const { return this; }
  
private:
 
  ToolHandle<GenericMonitoringTool>* m_monTool;
 
  std::string m_name;
 
};
 
 
 
}
 
 
#endif  /* TIDA_HISTOGRAM_H */