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extends< BASE, Interfaces > Class Template Reference

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

`#include <GaudiKernel/extends.h>`

Inheritance diagram for extends< BASE, Interfaces >:
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Collaboration diagram for extends< BASE, Interfaces >:
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## 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...
| ~extends () override=default
| Virtual destructor. More...
Public Member Functions inherited from extend_interfaces< Interfaces... >
| ~extend_interfaces () override=default
| Virtual destructor. 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 10 of file extends.h.

## Member Typedef Documentation

template<typename BASE, typename... Interfaces>

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

Typedef to this class.

Definition at line 15 of file extends.h.

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 17 of file extends.h.

## Constructor & Destructor Documentation

template<typename BASE, typename... Interfaces>

extends< BASE, Interfaces >::~extends | ( |  | ) |
| override default

Virtual destructor.

## Member Function Documentation

template<typename BASE, typename... Interfaces>

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

Implementation of IInterface::getInterfaceNames.

Definition at line 42 of file extends.h.

43 {
44 using iids = typename extend_interfaces_base::ext_iids;
45 auto vb = BASE::getInterfaceNames();
46 auto vi = Gaudi::getInterfaceNames( iids{} );
47 // start with base, and move the rest...
48 vb.insert( vb.end(), std::make_move_iterator( vi.begin() ), std::make_move_iterator( vi.end() ) );
49 return vb;
50 }
extend_interfaces< Interfaces... >::ext_iids
typename Gaudi::interface_list_cat< typename Interfaces::ext_iids... >::type ext_iids
take union of the ext_iids of all Interfaces...
Definition: extend_interfaces.h:13
std::make_move_iterator
T make_move_iterator(T...args)
std::vector::insert
T insert(T...args)
Gaudi::getInterfaceNames
std::vector< std::string > getInterfaceNames(Gaudi::interface_list< Is... >)
Definition: IInterface.h:206
template<typename BASE, typename... Interfaces>

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

Implementation of IInterface::i_cast.

Definition at line 22 of file extends.h.

23 {
24 using iids = typename extend_interfaces_base::ext_iids;
25 void* ptr = Gaudi::iid_cast( tid, iids{}, this );
26 return ptr ? ptr : BASE::i_cast( tid );
27 }
extend_interfaces< Interfaces... >::ext_iids
typename Gaudi::interface_list_cat< typename Interfaces::ext_iids... >::type ext_iids
take union of the ext_iids of all Interfaces...
Definition: extend_interfaces.h:13
Gaudi::iid_cast
void * iid_cast(const InterfaceID &tid, Gaudi::interface_list< Is... >, P *ptr)
Definition: IInterface.h:212
template<typename BASE, typename... Interfaces>

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

Implementation of IInterface::queryInterface.

Definition at line 30 of file extends.h.

31 {
32 if ( !pp ) return StatusCode::FAILURE;
33 using iids = typename extend_interfaces_base::ext_iids;
34 *pp = Gaudi::iid_cast( ti, iids{}, this );
35 // if cast failed, try the base class
36 if ( !*pp ) return BASE::queryInterface( ti, pp );
37 this->addRef();
38 return StatusCode::SUCCESS;
39 }
StatusCode::SUCCESS
Definition: StatusCode.h:29
extend_interfaces< Interfaces... >::ext_iids
typename Gaudi::interface_list_cat< typename Interfaces::ext_iids... >::type ext_iids
take union of the ext_iids of all Interfaces...
Definition: extend_interfaces.h:13
compareOutputFiles.pp
pp
Definition: compareOutputFiles.py:467
StatusCode::FAILURE
Definition: StatusCode.h:29
queryInterface
StatusCode queryInterface(const InterfaceID &iid, void **pinterface) override
Gaudi::iid_cast
void * iid_cast(const InterfaceID &tid, Gaudi::interface_list< Is... >, P *ptr)
Definition: IInterface.h:212

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

- GaudiKernel/GaudiKernel/extends.h