KVDetectorSignalExpression.h

 
#ifndef __KVDETECTORSIGNALEXPRESSION_H
#define __KVDETECTORSIGNALEXPRESSION_H
 
#include "KVDetectorSignal.h"
#include "TFormula.h"
 
class KVDetectorSignalExpression : public KVDetectorSignal {
 
   friend class KVDetector;
 
   std::unique_ptr<TFormula> fFormula;
   std::vector<KVDetectorSignal*> fSignals;
   Bool_t fValid;
   Bool_t fRaw;
   KVDetectorSignalExpression(const Char_t* type, const KVString& _expr, KVDetector* det);
public:
   KVDetectorSignalExpression(const Char_t* type, const KVString& _expr, const KVSeqCollection* dets);
   Double_t GetValue(const KVNameValueList& params = "") const override;
   Bool_t IsValid() const override
   {
      return fValid;
   }
   Bool_t IsRaw() const override
   {
      return kFALSE;
   }
   Bool_t IsExpression() const override
   {
      return kTRUE;
   }
   void SetValue(Double_t) override
   {
      KVError::Warning(this, "SetValue", "[%s] : Calling SetValue for a signal expression has no effect", GetName());
   }
   KVString GetExpression() const
   {
      return GetLabel();
   }
   Bool_t IsFired() const override
   {
      for(auto s : fSignals)
         if(s->IsFired()) return true;
      return false;
   }
   KVDetectorSignal* GetParentSignal() override
   {
      return fSignals.size()>1 ? nullptr : fSignals[0];
   }
 
   ClassDefOverride(KVDetectorSignalExpression, 1) //Mathematical expression involving one or more detector signals
};
 
#endif