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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14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 document details the \u003ccode\u003eBlockingPublisherConnection\u003c/code\u003e interface for the Google Cloud Pub/Sub service, allowing event publishing.\u003c/p\u003e\n"],["\u003cp\u003eThe interface contains pure-virtual methods that align with the \u003ccode\u003eBlockingPublisher\u003c/code\u003e overloads, allowing custom behavior injection and mocking for testing.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version documented is 2.37.0-rc, while the current version is at 2.23.0, with previous versions listed back to 2.11.0.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eBlockingPublisherConnection\u003c/code\u003e includes a virtual \u003ccode\u003ePublish()\u003c/code\u003e function for publishing events, which takes \u003ccode\u003ePublishParams\u003c/code\u003e as an argument and returns a status or string.\u003c/p\u003e\n"],["\u003cp\u003eIt also has a virtual \u003ccode\u003eoptions()\u003c/code\u003e function which will return the configured options.\u003c/p\u003e\n"]]],[],null,[]]
