MethodVar.h

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#ifndef Podd_MethodVar_h_
#define Podd_MethodVar_h_
 
//
// MethodVar
//
// A "global variable" referencing a class member function call
//
 
#include "Variable.h"
 
class TMethodCall;
 
namespace Podd {
 
  class MethodVar : virtual public Variable {
 
  public:
    MethodVar( THaVar* pvar, const void* addr, VarType type,
               TMethodCall* method );
    virtual ~MethodVar();
 
    virtual const void*  GetDataPointer( Int_t i = 0 ) const;
    virtual Bool_t       IsBasic() const;
 
  protected:
    TMethodCall*         fMethod;   //Member function to access data in object
    // Data cache, filled in GetDataPointer()
    mutable Double_t     fData;     //Function call result (interpretation depends on fType!)
 
    const void*  GetDataPointer( const void* obj ) const;
  };
 
}// namespace Podd
 
#endif