Represents a pub/sub event subscription. More...

#include <cppwamp/subscription.hpp>

Inheritance diagram for wamp::Subscription:

Public Member Functions
	Subscription ()
	Constructs an empty subscription. More...

	Subscription (const Subscription &other)
	Copy constructor.

	Subscription (Subscription &&other) noexcept
	Move constructor. More...

	operator bool () const
	Returns false if the subscription is empty.

SubscriptionId	id () const
	Obtains the ID number of this subscription.

Subscription &	operator= (const Subscription &other)
	Copy assignment.

Subscription &	operator= (Subscription &&other) noexcept
	Move assignment. More...

void	unsubscribe () const
	Unsubscribes from the topic.

Detailed Description

Represents a pub/sub event subscription.

A Subscription is a lightweight object returned by the subscribe member functions of the Session family of classes. This objects allows users to unsubscribe the subscription.

It is always safe to unsubscribe via a Subscription object. If the Session or the subscription no longer exists, an unsubscribe operation effectively does nothing.

See also: ScopedSubscription, Session::subscribe

Constructor & Destructor Documentation

◆ Subscription() [1/2]

wamp::Subscription::Subscription ( )

Constructs an empty subscription.

Postcondition: !!(*this) == false

◆ Subscription() [2/2]

wamp::Subscription::Subscription ( Subscription && other )

noexcept

Move constructor.

Postcondition: !other == true

Member Function Documentation

◆ operator=()

Subscription & wamp::Subscription::operator= ( Subscription && other )