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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

In this chapter, we have learned that understanding not just the volume of records, but also how data within them is dispersed can affect the need for indexes to ensure that queries perform without having to resort to expensive table scans or, in the case of Apex Trigger, runtime exceptions. Ensuring that you and your customers understand the best way to apply indexes is critical to both interactive and batch performance.

Asynchronous execution contexts open up extended and flexible control over the governors available in the interactive context, but need to be designed from the beginning with careful consideration for the user experience, such that the user is always aware of what is and is not going on in the background. Messaging is the key when there is no immediate user interface to relay errors and resolve them. Don't depend on the Apex Jobs screen; instead, try to contextualize error information through custom log objects related to key records in your application that...

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