JavaObjectHandleState Class Reference

Type-erased ownership state shared by Java object and Java object-list handle wrappers. More...

#include <JavaObjectHandle.hpp>

Public Member Functions
	JavaObjectHandleState (void *handle, Deleter deleter) noexcept
	Creates an ownership state for a native handle.
	~JavaObjectHandleState () noexcept
	Releases the owned handle, if any, and unregisters the state.
void	moveFrom (JavaObjectHandleState &other) noexcept
	Transfers ownership from another state and releases the handle previously owned by this state.
void	reset (void *handle=nullptr) noexcept
	Replaces the owned handle, releasing the previous one.
void *	get () const noexcept
	Returns the currently owned native handle.

Friends
class	JavaObjectHandleRegistry

Detailed Description

Type-erased ownership state shared by Java object and Java object-list handle wrappers.

A non-null state registers itself for isolate shutdown and unregisters itself when reset or destroyed.

Constructor & Destructor Documentation

JavaObjectHandleState()

JavaObjectHandleState::JavaObjectHandleState ( void * handle, Deleter deleter )

noexcept

Creates an ownership state for a native handle.

Parameters

handle	The native handle, or nullptr for an empty state.
deleter	The function used to release a non-null handle.

References JavaObjectHandleState().

Referenced by JavaObjectHandleState().

Member Function Documentation

get()

void * JavaObjectHandleState::get ( ) const

inlinenodiscardnoexcept

Returns the currently owned native handle.

Returns

The native handle, or nullptr when the state is empty.

moveFrom()

void JavaObjectHandleState::moveFrom ( JavaObjectHandleState & other )

noexcept

Transfers ownership from another state and releases the handle previously owned by this state.

Parameters

other

The state from which ownership is transferred.

reset()

void JavaObjectHandleState::reset ( void * handle = nullptr )

noexcept

Replaces the owned handle, releasing the previous one.

Parameters

handle

The new native handle, or nullptr to make the state empty.

Referenced by ~JavaObjectHandleState().