extends< BASE, Interfaces > Class Template Reference

Base class used to extend a class implementing other interfaces. More...

#include </builds/gaudi/Gaudi/GaudiKernel/include/GaudiKernel/extends.h>

Inheritance diagram for extends< BASE, Interfaces >:

Collaboration diagram for extends< BASE, Interfaces >:

Public Types
using	base_class = extends
	Typedef to this class. More...
using	extend_interfaces_base = extend_interfaces< Interfaces... >
	Typedef to the base of this class. More...
Public Types inherited from extend_interfaces< Interfaces... >
using	ext_iids = typename Gaudi::interface_list_cat< typename Interfaces::ext_iids... >::type
	take union of the ext_iids of all Interfaces... More...

Public Member Functions
void *	i_cast (const InterfaceID &tid) const override
	Implementation of IInterface::i_cast. More...
StatusCode	queryInterface (const InterfaceID &ti, void **pp) override
	Implementation of IInterface::queryInterface. More...
std::vector< std::string >	getInterfaceNames () const override
	Implementation of IInterface::getInterfaceNames. More...

Detailed Description

template<typename BASE, typename... Interfaces>
class extends< BASE, Interfaces >

Base class used to extend a class implementing other interfaces.

Version for one interface.

Author

Marco Clemencic

Definition at line 20 of file extends.h.

Member Typedef Documentation

base_class

template<typename BASE , typename... Interfaces>

using extends< BASE, Interfaces >::base_class = extends

Typedef to this class.

Definition at line 24 of file extends.h.

extend_interfaces_base

template<typename BASE , typename... Interfaces>

using extends< BASE, Interfaces >::extend_interfaces_base = extend_interfaces<Interfaces...>

Typedef to the base of this class.

Definition at line 26 of file extends.h.

Member Function Documentation

getInterfaceNames()

template<typename BASE , typename... Interfaces>

std::vector<std::string> extends< BASE, Interfaces >::getInterfaceNames ( ) const

inlineoverride

Implementation of IInterface::getInterfaceNames.

Definition at line 49 of file extends.h.

                                                          {
    using iids = typename extend_interfaces_base::ext_iids;
    auto vb    = BASE::getInterfaceNames();
    auto vi    = Gaudi::getInterfaceNames( iids{} );
    // start with base, and move the rest...
    vb.insert( vb.end(), std::make_move_iterator( vi.begin() ), std::make_move_iterator( vi.end() ) );
    return vb;
  }

i_cast()

template<typename BASE , typename... Interfaces>

void* extends< BASE, Interfaces >::i_cast ( const InterfaceID &  tid ) const

inlineoverride

Implementation of IInterface::i_cast.

Definition at line 31 of file extends.h.

                                                        {
    using iids = typename extend_interfaces_base::ext_iids;
    void* ptr  = Gaudi::iid_cast( tid, iids{}, this );
    return ptr ? ptr : BASE::i_cast( tid );
  }

queryInterface()

template<typename BASE , typename... Interfaces>

StatusCode extends< BASE, Interfaces >::queryInterface ( const InterfaceID &  ti, void **  pp  )

inlineoverride

Implementation of IInterface::queryInterface.

Definition at line 38 of file extends.h.

                                                                         {
    if ( !pp ) return StatusCode::FAILURE;
    using iids = typename extend_interfaces_base::ext_iids;
    *pp        = Gaudi::iid_cast( ti, iids{}, this );
    // if cast failed, try the base class
    if ( !*pp ) return BASE::queryInterface( ti, pp );
    this->addRef();
    return StatusCode::SUCCESS;
  }

---

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

• GaudiKernel/include/GaudiKernel/extends.h