mi::base::Interface_implement_2< I1, I2> Template Class Reference
[Interface Framework Technology]
template< class I1, class I2>class mi::base::Interface_implement_2< I1, I2>
Description
Mixin class template for deriving interface implementations from two interfaces. mi::base::Interface_implement_2 is a mixin class template that allows you to derive interface class implementations easily. It provides you with the full implementation of reference counting and the mi::base::IInterface::get_interface( const Uuid&) method. It requires that you used interfaces derived from the corresponding mixin class template mi::base::Interface_declare.
mi::base::Interface_implement is derived from the interface I1 and I2. In case of ambiguities, interface I1 is preferred.
Include File:
#include <mi/base/interface_implement.h>
Public Constructors
- Interface_implement_2( Uint32 initial = 1)
- Constructor. More...
- Interface_implement_2( const Interface_implement_2 < I1 , I2 >& other)
- Copy constructor. More...
Public Member Functions
- Uuid get_iid() const
- Returns the interface ID of the most derived interface.
- virtual const IInterface* get_interface( const Uuid& interface_id) const
- Acquires a const interface. More...
- virtual IInterface* get_interface( const Uuid& interface_id)
- Acquires a mutable interface. More...
- Interface_implement_2 < I1 , I2 >& operator=( const Interface_implement_2 < I1 , I2 >& other)
- Assignment operator. More...
- virtual Uint32 release() const
- Decrements the reference count. More...
- virtual Uint32 retain() const
- Increments the reference count. More...
Constructors
- mi::base::Interface_implement_2< I1, I2>::Interface_implement_2( Uint32 initial = 1) [inline]
-
Constructor.
Parameters
- initial
- The initial reference count (defaults to 1).
- mi::base::Interface_implement_2< I1, I2>::Interface_implement_2( const Interface_implement_2 < I1 , I2 >& other) [inline]
-
Copy constructor. Initializes the reference count to 1.
Member Functions
- Uuid mi::base::Interface_implement_2< I1, I2>::get_iid() const [inline]
-
Returns the interface ID of the most derived interface.
- virtual const IInterface* mi::base::Interface_implement_2< I1, I2>::get_interface( const Uuid& interface_id) const [inline, virtual]
-
Acquires a const interface. If this interface is derived from or is the interface with the passed interface_id, then return a non-NULL const mi::base::IInterface* that can be casted via static_cast to an interface pointer of the interface type corresponding to the passed interface_id. Otherwise return NULL.
In the case of a non-NULL return value, the caller receives ownership of the new interface pointer, whose reference count has been retained once. The caller must release the returned interface pointer at the end to prevent a memory leak.
- virtual IInterface* mi::base::Interface_implement_2< I1, I2>::get_interface( const Uuid& interface_id) [inline, virtual]
-
Acquires a mutable interface. If this interface is derived from or is the interface with the passed interface_id, then return a non-NULL mi::base::IInterface* that can be casted via static_cast to an interface pointer of the interface type corresponding to the passed interface_id. Otherwise return NULL.
In the case of a non-NULL return value, the caller receives ownership of the new interface pointer, whose reference count has been retained once. The caller must release the returned interface pointer at the end to prevent a memory leak.
- Interface_implement_2 < I1 , I2 >& mi::base::Interface_implement_2< I1, I2>::operator=( const Interface_implement_2 < I1 , I2 >& other) [inline]
-
Assignment operator. The reference count of *this and other remain unchanged.
- virtual Uint32 mi::base::Interface_implement_2< I1, I2>::release() const [inline, virtual]
-
Decrements the reference count. Decrements the reference count of the object referenced through this interface and returns the new reference count. If the reference count dropped to zero, the object will be deleted. The operation is thread-safe.
- virtual Uint32 mi::base::Interface_implement_2< I1, I2>::retain() const [inline, virtual]
-
Increments the reference count. Increments the reference count of the object referenced through this interface and returns the new reference count. The operation is thread-safe.