ESClient.h

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#ifndef ESClient_H
#define ESClient_H

#include <string>

#include "DQMServices/Core/interface/MonitorElement.h"
#include "DQMServices/Core/interface/DQMStore.h"

namespace edm {
  class ParameterSet;
}

class ESClient {

 public:

  ESClient(edm::ParameterSet const&);
  virtual ~ESClient() {}

  virtual void endLumiAnalyze(DQMStore::IGetter&) {}
  virtual void endJobAnalyze(DQMStore::IGetter&) {}

  void setup(DQMStore::IBooker&);

  template<typename T> T* getHisto(MonitorElement*, bool = false, T* = 0) const;

 protected:
  virtual void book(DQMStore::IBooker&) {}

  bool initialized_;
  std::string prefixME_;
  bool cloneME_;
  bool verbose_;
  bool debug_;

};

template<typename T>
T*
ESClient::getHisto(MonitorElement* _me, bool _clone/* = false*/, T* _current/* = 0*/) const
{
  if(!_me){
    if(_clone) return _current;
    else return nullptr;
  }

  TObject* obj(_me->getRootObject());

  if(!obj) return nullptr;

  if(_clone){
    delete _current;
    _current = dynamic_cast<T*>(obj->Clone(("ME " + _me->getName()).c_str()));
    if(_current) _current->SetDirectory(nullptr);
    return _current;
  }
  else
    return dynamic_cast<T*>(obj);
}

#endif // ESClient_H