interfaceMatch< THIS > Struct Template Reference

Helper class for the cast used in the MPL for_each algorithm in the implementation of queryInterface. More...

#include <implements.h>

Collaboration diagram for interfaceMatch< THIS >:

List of all members.

Public Member Functions
	interfaceMatch (THIS *_instance, const InterfaceID &_tid, void *&_ptr)
template<typename IID >
void	operator() (IID)
Public Attributes
const InterfaceID &	target
	InterfaceID for the requested interface.
void *&	ptr
	Pointer to be filled.
THIS *	instance
	Value of this.

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Detailed Description

template<typename THIS>
struct interfaceMatch< THIS >

Helper class for the cast used in the MPL for_each algorithm in the implementation of queryInterface.

Author:

Marco Clemencic

Definition at line 34 of file implements.h.

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Constructor & Destructor Documentation

template<typename THIS>

interfaceMatch< THIS >::interfaceMatch	(	THIS *	_instance,
		const InterfaceID &	_tid,
		void *&	_ptr
	)		[inline]

Definition at line 41 of file implements.h.

                                                                        :
    target(_tid),
    ptr(_ptr),
    instance(_instance){}

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Member Function Documentation

template<typename THIS>

template<typename IID >

void interfaceMatch< THIS >::operator()

(

IID

)

[inline]

Definition at line 47 of file implements.h.

                               {
    if ((!ptr) && target.versionMatch(IID::interfaceID())) {
      ptr = reinterpret_cast<void*>(static_cast<typename IID::iface_type*>(instance));
    }
  }

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Member Data Documentation

template<typename THIS>

THIS* interfaceMatch< THIS >::instance

Value of this.

Definition at line 40 of file implements.h.

template<typename THIS>

void*& interfaceMatch< THIS >::ptr

Pointer to be filled.

Definition at line 38 of file implements.h.

template<typename THIS>

const InterfaceID& interfaceMatch< THIS >::target

InterfaceID for the requested interface.

Definition at line 36 of file implements.h.

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The documentation for this struct was generated from the following file:

• /afs/.cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v22r2/GaudiKernel/GaudiKernel/implements.h