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Force.com Enterprise Architecture

You're reading from   Force.com Enterprise Architecture Architect and deliver packaged Force.com applications that cater to enterprise business needs

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Product type Paperback
Published in Mar 2017
Publisher Packt
ISBN-13 9781786463685
Length 504 pages
Edition 2nd Edition
Languages
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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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Toc

Table of Contents (15) Chapters Close

Preface 1. Building, Publishing, and Supporting 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. User Interface 9. Lightning 10. Providing Integration and Extensibility 11. Asynchronous Processing and Big Data Volumes 12. Unit Testing 13. Source Control and Continuous Integration Index

Summary


The Selector pattern provides a powerful layer of encapsulation for some critical logic in your application. It can help with enforcing best practices around security and provides a more consistent and reliable basis for code dealing with the SObject data.

Selectors can also take on the responsibility and concern for platform features such as Multi-Currency and Field Sets. Ultimately allowing the caller—be that the Service, Domain, or even Apex Controllers, or Batch Apex—to focus on their responsibilities and concerns, this leads to cleaner code which is easier to maintain and evolve.

With the introduction of the Selector factory, we provide a shortcut to access this layer in the form of the Application.Selector.selectById and Application.Selector.newInstance methods, opening up potential for more dynamic scenarios such as the compliance framework highlighted in the last chapter.

I'd like to close this set of chapters with a simple but expressive diagram that shows how the Service layer...

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