caf::flow::op::from_resource_sub< Buffer > Class Template Reference

Reads from an observable buffer and emits the consumed items. More...

#include <from_resource.hpp>

Inheritance diagram for caf::flow::op::from_resource_sub< Buffer >:

Public Types
using	value_type = typename Buffer::value_type
using	buffer_ptr = intrusive_ptr< Buffer >

Public Member Functions
	from_resource_sub (coordinator *ctx, buffer_ptr buf, observer< value_type > out)
bool	disposed () const noexcept override
void	dispose () override
void	request (size_t n) override
	Signals demand for n more items.
void	on_producer_ready () override
	Called to signal that the producer started emitting items.
void	on_producer_wakeup () override
	Called to signal to the consumer that the producer added an item to a previously empty source or completed the flow of events.
void	ref_consumer () const noexcept final
	Increases the reference count of the consumer.
void	deref_consumer () const noexcept final
	Decreases the reference count of the consumer and destroys the object if necessary.
void	ref_disposable () const noexcept final
void	deref_disposable () const noexcept final
Public Member Functions inherited from caf::detail::atomic_ref_counted
	atomic_ref_counted (const atomic_ref_counted &)
atomic_ref_counted &	operator= (const atomic_ref_counted &)
void	ref () const noexcept
	Increases reference count by one.
void	deref () const noexcept
	Decreases reference count by one and calls request_deletion when it drops to zero.
bool	unique () const noexcept
	Queries whether there is exactly one reference.
size_t	get_reference_count () const noexcept
	Queries the current reference count for this object.
virtual void	request (size_t n)=0
	Signals demand for n more items.
Public Member Functions inherited from caf::disposable::impl
virtual void	dispose ()=0
virtual bool	disposed () const noexcept=0
disposable	as_disposable () noexcept
virtual void	ref_disposable () const noexcept=0
virtual void	deref_disposable () const noexcept=0
virtual void	on_producer_ready ()=0
	Called to signal that the producer started emitting items.
virtual void	on_producer_wakeup ()=0
	Called to signal to the consumer that the producer added an item to a previously empty source or completed the flow of events.
virtual void	ref_consumer () const noexcept=0
	Increases the reference count of the consumer.
virtual void	deref_consumer () const noexcept=0
	Decreases the reference count of the consumer and destroys the object if necessary.

Friends
void	intrusive_ptr_add_ref (const from_resource_sub *ptr) noexcept
void	intrusive_ptr_release (const from_resource_sub *ptr) noexcept

Additional Inherited Members
Protected Attributes inherited from caf::detail::atomic_ref_counted
std::atomic< size_t >	rc_
Related Symbols inherited from caf::async::consumer
using	consumer_ptr = intrusive_ptr< consumer >
void	intrusive_ptr_add_ref (const consumer *p) noexcept
void	intrusive_ptr_release (const consumer *p) noexcept

Detailed Description

template<class Buffer>
class caf::flow::op::from_resource_sub< Buffer >

Reads from an observable buffer and emits the consumed items.

Member Function Documentation

deref_consumer()

template<class Buffer >

void caf::flow::op::from_resource_sub< Buffer >::deref_consumer ( ) const

finalvirtualnoexcept

Decreases the reference count of the consumer and destroys the object if necessary.

Implements caf::async::consumer.

deref_disposable()

template<class Buffer >

void caf::flow::op::from_resource_sub< Buffer >::deref_disposable ( ) const

finalvirtualnoexcept

Implements caf::disposable::impl.

dispose()

template<class Buffer >

void caf::flow::op::from_resource_sub< Buffer >::dispose ( )

overridevirtual

Implements caf::disposable::impl.

disposed()

template<class Buffer >

bool caf::flow::op::from_resource_sub< Buffer >::disposed ( ) const

overridevirtualnoexcept

Implements caf::disposable::impl.

on_producer_ready()

template<class Buffer >

void caf::flow::op::from_resource_sub< Buffer >::on_producer_ready ( )

overridevirtual

Called to signal that the producer started emitting items.

Implements caf::async::consumer.

on_producer_wakeup()

template<class Buffer >

void caf::flow::op::from_resource_sub< Buffer >::on_producer_wakeup ( )

overridevirtual

Called to signal to the consumer that the producer added an item to a previously empty source or completed the flow of events.

Implements caf::async::consumer.

ref_consumer()

template<class Buffer >

void caf::flow::op::from_resource_sub< Buffer >::ref_consumer ( ) const

finalvirtualnoexcept

Increases the reference count of the consumer.

Implements caf::async::consumer.

ref_disposable()

template<class Buffer >

void caf::flow::op::from_resource_sub< Buffer >::ref_disposable ( ) const

finalvirtualnoexcept

Implements caf::disposable::impl.

request()

template<class Buffer >

void caf::flow::op::from_resource_sub< Buffer >::request ( size_t  n )

overridevirtual

Signals demand for n more items.

Implements caf::flow::subscription::impl.

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

• libcaf_core/caf/flow/op/from_resource.hpp