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Salesforce Lightning Platform Enterprise Architecture

You're reading from   Salesforce Lightning Platform Enterprise Architecture Architect and deliver packaged applications that cater to enterprise business needs

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Product type Paperback
Published in Nov 2019
Publisher Packt
ISBN-13 9781789956719
Length 646 pages
Edition 3rd Edition
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Author (1):
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Andrew Fawcett Andrew Fawcett
Author Profile Icon Andrew Fawcett
Andrew Fawcett
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Table of Contents (17) Chapters Close

Preface 1. Building and Publishing Your Application FREE CHAPTER 2. Leveraging Platform Features 3. Application Storage 4. Apex Execution and Separation of Concerns 5. Application Service Layer 6. Application Domain Layer 7. Application Selector Layer 8. Building User Interfaces 9. User Interfaces with Lightning Framework 10. Providing Integration and Extensibility 11. Asynchronous Processing and Big Data Volumes 12. Unit Testing 13. Source Control and Continuous Integration 14. Integrating with External Services 15. Adding AI with Einstein 16. Other Books You May Enjoy

Exposing platform events

The sample code in this chapter contains a Race News Feed platform event object. As described earlier in this chapter, such objects can be used to define an asynchronous API for your application that applies the pub-sub communication pattern. In this use case, a mobile application (not included in this sample) is used by news reporters employed by the customers of your FormulaForce package. The goal is to ensure that whenever something not-worthy occurs in the application, they get real-time updates on their mobile devices.

The mobile application uses the CometD (https://cometd.org/) protocol in mobile applications' JavaScript to subscribe (listen) to the platform events from the Race News Feed object. Within the RaceService.awardChampionshipPoints method code shown here, the RaceNewsFeed__e object is registered with the Unit Of Work associated...

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