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 BlockingPublisher. That is, all of BlockingPublisher'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 BlockingPublisher object for use in their own tests.
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.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14 UTC."],[[["\u003cp\u003eThis webpage details the \u003ccode\u003eBlockingPublisherConnection\u003c/code\u003e interface for the Google Cloud Pub/Sub service, used for publishing events.\u003c/p\u003e\n"],["\u003cp\u003eThe content provides links to documentation for numerous versions of the \u003ccode\u003eBlockingPublisherConnection\u003c/code\u003e, from version 2.11.0 up to the latest release candidate 2.37.0-rc, as well as a version 2.34.0 that the webpage focuses on.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eBlockingPublisherConnection\u003c/code\u003e interface allows users to inject custom behavior into a \u003ccode\u003eBlockingPublisher\u003c/code\u003e object for testing purposes.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003ePublish\u003c/code\u003e function, part of the \u003ccode\u003eBlockingPublisherConnection\u003c/code\u003e interface, is responsible for defining the interface for \u003ccode\u003eBlockingPublisher::Publish()\u003c/code\u003e and it returns a StatusOr< std::string >.\u003c/p\u003e\n"],["\u003cp\u003eThe webpage also covers the \u003ccode\u003eoptions()\u003c/code\u003e function that returns the options configured at initialization.\u003c/p\u003e\n"]]],[],null,[]]
