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Force.com Enterprise Architecture

You're reading from   Force.com Enterprise Architecture Blend industry best practices to architect and deliver packaged Force.com applications that cater to enterprise business needs

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Product type Paperback
Published in Sep 2014
Publisher
ISBN-13 9781782172994
Length 402 pages
Edition 1st 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 (13) 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. Providing Integration and Extensibility 10. Asynchronous Processing and Big Data Volumes 11. Source Control and Continuous Integration Index

Asynchronous execution contexts


Salesforce is committed to ensuring that the interactive user experience (browser or mobile response times) of your applications and that of its own is as optimal as possible. In a multitenant environment, it uses the governors as one way to manage this. The other approach is to provide a means for you to move the processing of code from the foreground (interactive) into the background (async mode). This section of the chapter discusses the design considerations, implementation options, and benefits available in this context.

As the code running in the background is, by definition, not holding up the response times of the pages the users are using, Salesforce can and does throttle when and how often async processes execute, depending on the load on the servers at the time. For this reason, it currently do not provide an SLA on exactly when an async piece of code will run or guarantee exactly when the Apex Schedule code will run at the allotted time. This aspect...

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