Class PublisherConnection (2.15.0)

A connection to the Cloud Pub/Sub service to publish events.

This interface defines pure-virtual methods for each of the user-facing overload sets in Publisher. That is, all of Publisher's overloads will forward to the one pure-virtual method declared in this interface. This allows users to inject custom behavior (e.g., with a Google Mock object) in a Publisher object for use in their own tests.

To create a concrete instance that connects you to the real Cloud Pub/Sub service, see MakePublisherConnection().

The *Params nested classes

Applications may define classes derived from PublisherConnection, for example, because they want to mock the class. To avoid breaking all such derived classes when we change the number or type of the arguments to the member functions we define lightweight structures to pass the arguments.

Functions

virtual Publish(PublishParams)

Defines the interface for Publisher::Publish()

Parameter
NameDescription
p PublishParams
Returns
TypeDescription
future< StatusOr< std::string > >

virtual Flush(FlushParams)

Defines the interface for Publisher::Flush()

Parameter
NameDescription
FlushParams
Returns
TypeDescription
void

virtual ResumePublish(ResumePublishParams)

Defines the interface for Publisher::ResumePublish()

Parameter
NameDescription
p ResumePublishParams
Returns
TypeDescription
void