JClassDef.hh

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#ifndef __JROOT__JCLASSDEF__
#define __JROOT__JCLASSDEF__
 
#include "TObject.h"
 
/**
 * \author mdejong
 */
 
namespace JROOT {}
namespace JPP { using namespace JROOT; }
 
namespace JROOT {
 
  /**
   * Test ROOT ClassDef.
   */
  template <class T>
  class JClassDef
  {
    typedef char JSmall;
    typedef long JBig;
 
    template<class C, C> struct check_type;
 
    template<class C> static JSmall JTest(check_type<const char* (C::*)(), &C::Class_Name>*);
    template<class C> static JBig   JTest(...);
 
  public:
    enum { value = sizeof(JTest<T>(0)) == sizeof(JSmall) }; //!< true if ROOT compatible class; else false
  };
}
 
#endif