COMProxy< T > Class Template Reference

Non-copyable CRTP base class for COM dispatch proxy objects. More...

#include <COMProxy.hpp>

Inheritance diagram for COMProxy< T >:

Protected Member Functions
	COMProxy (pacemaker::inca::detail::unique_com_ptr< T > subject) noexcept
	Constructs the proxy, taking ownership of subject.
	COMProxy (COMProxy &&)=default
	Move constructor transfers ownership of the underlying COM pointer.
COMProxy &	operator= (COMProxy &&)=default
	Move assignment transfers ownership of the underlying COM pointer.

Protected Attributes
pacemaker::inca::detail::unique_com_ptr< T >	p_subject {nullptr}
	Owning pointer to the underlying COM dispatch object.

Detailed Description

template<class T>
class pacemaker::inca::detail::COMProxy< T >

Non-copyable CRTP base class for COM dispatch proxy objects.

COMProxy<T> stores a unique_com_ptr<T> and enforces move-only ownership semantics so that concrete proxy classes do not need to repeat this boilerplate.

Concrete proxy classes inherit privately from this base and gain access to the protected member p_subject through which they invoke the underlying COM methods.

Typical usage

class MyProxy : private pacemaker::inca::detail::COMProxy<MyDispatch_Dispatch>
{
public:
  explicit MyProxy(pacemaker::inca::detail::unique_com_ptr<IDispatch> idispatch);
  void DoSomething() { this->p_subject->DoSomething(); }
};

Template Parameters

T	the concrete COM dispatch type managed by this proxy.

See also

pacemaker::inca::detail::unique_com_ptr

Definition at line 34 of file COMProxy.hpp.

Constructor & Destructor Documentation

COMProxy() [1/2]

template<class T >

COMProxy ( pacemaker::inca::detail::unique_com_ptr< T > subject )

inlineexplicitprotectednoexcept

Constructs the proxy, taking ownership of subject.

Parameters

subject

Owning pointer to the COM object. Moved into the internal p_subject member; the callers' pointer is left null after construction.

Definition at line 44 of file COMProxy.hpp.

COMProxy() [2/2]

template<class T >

COMProxy ( COMProxy< T > && )

protecteddefault

Move constructor transfers ownership of the underlying COM pointer.

Member Function Documentation

operator=()

template<class T >

COMProxy & operator= ( COMProxy< T > && )

protecteddefault

Move assignment transfers ownership of the underlying COM pointer.

Member Data Documentation

p_subject

template<class T >

pacemaker::inca::detail::unique_com_ptr<T> p_subject {nullptr}

protected

Owning pointer to the underlying COM dispatch object.

Derived classes use this member to invoke methods on the wrapped COM interface. Its lifetime is tied to the proxy: the COM object is released when p_subject is destroyed.

Definition at line 60 of file COMProxy.hpp.

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

• pacemaker/inca/detail/COMProxy.hpp