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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

Separation of Concerns


As you can see there are a number of places Apex code is invoked by various platform features. Such places represent areas for valuable code to potentially hide. It is hidden because it is typically not easy or appropriate to reuse such logic as each of the areas mentioned in the previous table has its own subtle concerns with respect to security, state management, transactions, and other aspects such as error handling (for example, catching and communicating errors) as well as varying needs for bulkification.

Throughout the rest of this chapter, we will review these requirements and distill them into a Separation of Concerns that allows a demarcation of responsibilities between the Apex code used to integrate with these platform features versus the code implementing your application business logic, such that the code can be shared between platform features today and in the future more readily. Wikipedia describes the benefits of Separation of Concerns as the following...

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