IInterface.h File Reference

#include <GaudiKernel/Kernel.h>
#include <GaudiKernel/StatusCode.h>
#include <GaudiKernel/System.h>
#include <ostream>
#include <type_traits>
#include <typeinfo>
#include <GaudiKernel/extend_interfaces.h>
#include <GaudiKernel/extends.h>
#include <GaudiKernel/implements.h>

Include dependency graph for IInterface.h:

Go to the source code of this file.

Classes
class	InterfaceID
struct	Gaudi::interface_list< I >
struct	Gaudi::meta::id_< T >
struct	Gaudi::meta::detail::inherit_from< Is >
struct	Gaudi::meta::detail::append1< List, I >
struct	Gaudi::meta::detail::append1< interface_list< Is... >, I >
struct	Gaudi::meta::detail::appendN< typename, typename >
struct	Gaudi::meta::detail::appendN< interface_list<>, State >
struct	Gaudi::meta::detail::appendN< interface_list< I, Is... >, List >
struct	Gaudi::interface_list_cat< I >
struct	Gaudi::interface_list_cat< interface_list< I... > >
struct	Gaudi::interface_list_cat< interface_list< I1... >, interface_list< I2... > >
struct	Gaudi::interface_list_cat< interface_list< I1... >, interface_list< I2... >, Others... >
struct	Gaudi::interface_list_append< I >
struct	Gaudi::interface_list_append< interface_list< Is... >, I >
struct	Gaudi::InterfaceId< INTERFACE, majVers, minVers >
	Class to handle automatically the versioning of the interfaces when they are inheriting from other interfaces. More...
struct	Gaudi::fullMatch_t
struct	Gaudi::majorMatch_t
class	IInterface

Namespaces
	Gaudi
	This file provides a Grammar for the type Gaudi::Accumulators::Axis It allows to use that type from python with a format liks : ( nbins, min, max, title ) where title can be ommited.
	Gaudi::meta
	Gaudi::meta::detail

Macros
#define	DeclareInterfaceID(iface, major, minor)
	Macro to declare the interface ID when using the new mechanism of extending and implementing interfaces. More...

Typedefs
template<typename... Is>
using	Gaudi::meta::unique_interface_list = detail::appendN< interface_list< Is... >, interface_list<> >

Functions
template<typename... Is>
std::vector< std::string >	Gaudi::getInterfaceNames (Gaudi::interface_list< Is... >)
template<typename... Is, typename P >
void *	Gaudi::iid_cast (const InterfaceID &tid, Gaudi::interface_list< Is... >, P *ptr)
template<typename TARGET >
TARGET *	Gaudi::Cast (IInterface *i)
	Cast a IInterface pointer to an IInterface specialization (TARGET). More...
template<typename TARGET >
const TARGET *	Gaudi::Cast (const IInterface *i)
	Cast a IInterface pointer to an IInterface specialization (TARGET). More...
template<class IFace >
bool	isValidInterface (IFace *i)
	Templated function that throws an exception if the version if the interface implemented by the object behind the interface is incompatible. More...
template<class DEST , class SRC >
DEST **	pp_cast (SRC **ptr)
	Small function to be used instead of the construct (void**)&pointer, which produces, on gcc 4.1 optimized, the warning warning: dereferencing type-punned pointer will break strict-aliasing rules The assempler code produced is equivalent to the one with the direct cast. More...

Macro Definition Documentation

DeclareInterfaceID

#define DeclareInterfaceID	(		iface,
			major,
			minor
	)

Value:

  static const InterfaceID& interfaceID() { return iid::interfaceID(); }                                               \
  using iid      = Gaudi::InterfaceId<iface, major, minor>;                                                            \
  using ext_iids = typename iid::iids

Macro to declare the interface ID when using the new mechanism of extending and implementing interfaces.

Definition at line 24 of file IInterface.h.

Function Documentation

isValidInterface()

template<class IFace >

bool isValidInterface

(

IFace *

i

)

Templated function that throws an exception if the version if the interface implemented by the object behind the interface is incompatible.

This is the case if the major version differs or that the minor version of the client is bigger than of the implementer.

Note

A call to this function implies an increment of the reference count in case of success.

Author

Pere Mato

Definition at line 336 of file IInterface.h.

                                  {
  void* ii = nullptr;
  return i->queryInterface( IFace::interfaceID(), &ii ).isSuccess();
}

pp_cast()

template<class DEST , class SRC >

DEST** pp_cast ( SRC **  ptr )

inline

Small function to be used instead of the construct (void**)&pointer, which produces, on gcc 4.1 optimized, the warning warning: dereferencing type-punned pointer will break strict-aliasing rules The assempler code produced is equivalent to the one with the direct cast.

The function can be used als to replace the construct (IInterface *&)m_MySvc. Replacement rules:

(void**)&pointer	pp_cast<void>(&pointer)
(IInterface *&)m_mySvc	*pp_cast<IInterface>(&m_mySvc)

Definition at line 352 of file IInterface.h.

                                   {
  return reinterpret_cast<DEST**>( ptr );
}