| The Gaudi Framework v32r1 (f65d50dc)

extends.h
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1 #ifndef GAUDIKERNEL_EXTENDS_H
2 #define GAUDIKERNEL_EXTENDS_H
3
4 #include "GaudiKernel/IInterface.h"
5
9 template <typename BASE, typename... Interfaces>
10 class GAUDI_API extends : public BASE, virtual public extend_interfaces<Interfaces...> {
11
12 public:
14 using base_class = extends;
16 using extend_interfaces_base = extend_interfaces<Interfaces...>;
18 using BASE::BASE;
19
21 void* i_cast( const InterfaceID& tid ) const override {
22 using iids = typename extend_interfaces_base::ext_iids;
23 void* ptr = Gaudi::iid_cast( tid, iids{}, this );
24 return ptr ? ptr : BASE::i_cast( tid );
25 }
26
28 StatusCode queryInterface( const InterfaceID& ti, void** pp ) override {
29 if ( !pp ) return StatusCode::FAILURE;
30 using iids = typename extend_interfaces_base::ext_iids;
31 *pp = Gaudi::iid_cast( ti, iids{}, this );
32 // if cast failed, try the base class
33 if ( !*pp ) return BASE::queryInterface( ti, pp );
34 this->addRef();
35 return StatusCode::SUCCESS;
36 }
37
39 std::vector<std::string> getInterfaceNames() const override {
40 using iids = typename extend_interfaces_base::ext_iids;
41 auto vb = BASE::getInterfaceNames();
42 auto vi = Gaudi::getInterfaceNames( iids{} );
43 // start with base, and move the rest...
44 vb.insert( vb.end(), std::make_move_iterator( vi.begin() ), std::make_move_iterator( vi.end() ) );
45 return vb;
46 }
47 };
48
49 template <typename BASE, typename I1>
50 using extends1 = extends<BASE, I1>;
51 template <typename BASE, typename I1, typename I2>
52 using extends2 = extends<BASE, I1, I2>;
53 template <typename BASE, typename I1, typename I2, typename I3>
54 using extends3 = extends<BASE, I1, I2, I3>;
55 template <typename BASE, typename I1, typename I2, typename I3, typename I4>
56 using extends4 = extends<BASE, I1, I2, I3, I4>;
57
58 #endif /* GAUDIKERNEL_EXTENDS_H */
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:16
StatusCode::SUCCESS
constexpr static const auto SUCCESS
Definition: StatusCode.h:85
std::make_move_iterator
T make_move_iterator(T... args)
extends::i_cast
void * i_cast(const InterfaceID &tid) const override
Implementation of IInterface::i_cast.
Definition: extends.h:21
InterfaceID
Interface ID class.
Definition: IInterface.h:29
extends::queryInterface
StatusCode queryInterface(const InterfaceID &ti, void **pp) override
Implementation of IInterface::queryInterface.
Definition: extends.h:28
StatusCode
This class is used for returning status codes from appropriate routines.
Definition: StatusCode.h:50
extend_interfaces
Base class to be used to extend an interface.
Definition: extend_interfaces.h:5
extends::getInterfaceNames
std::vector< std::string > getInterfaceNames() const override
Implementation of IInterface::getInterfaceNames.
Definition: extends.h:39
std::vector::insert
T insert(T... args)
std::vector< std::string >
extends
Base class used to extend a class implementing other interfaces.
Definition: extends.h:10
compareOutputFiles.pp
pp
Definition: compareOutputFiles.py:495
CommonMessaging
Definition: CommonMessaging.h:56
StatusCode::FAILURE
constexpr static const auto FAILURE
Definition: StatusCode.h:86
Gaudi::getInterfaceNames
std::vector< std::string > getInterfaceNames(Gaudi::interface_list< Is... >)
Definition: IInterface.h:180
Gaudi::iid_cast
void * iid_cast(const InterfaceID &tid, Gaudi::interface_list< Is... >, P *ptr)
Definition: IInterface.h:185
GAUDI_API
#define GAUDI_API
Definition: Kernel.h:71
IInterface.h