You're reading from Mastering Apex Programming A developer's guide to learning advanced techniques and best practices for building robust Salesforce applications

Product type Paperback

Published in Nov 2020

Publisher Packt

ISBN-13 9781800200920

Length 368 pages

Edition 1st Edition

Languages

Apex

Tools

Salesforce

Concepts

Enterprise Resource Planning

Author (1):

Paul Battisson

View More author details

Table of Contents (21) Chapters

Preface

1. Section 1 – Triggers, Testing, and Security

2. Chapter 1: Common Apex Mistakes FREE CHAPTER

3. Chapter 2: Debugging Apex

4. Chapter 3: Triggers and Managing Trigger Execution

5. Chapter 4: Exceptions and Exception Handling

6. Chapter 5: Testing Apex Code

7. Chapter 6: Secure Apex Programming

8. Section 2 – Asynchronous Apex and Apex REST

9. Chapter 7: Utilizing Future Methods

10. Chapter 8: Working with Batch Apex

11. Chapter 9: Working with Queueable Apex

12. Chapter 10: Scheduling Apex Jobs

13. Chapter 11: Using Platform Events

14. Chapter 12: Apex REST and Custom Web Services

15. Section 3 – Apex Performance

16. Chapter 13: Performance and the Salesforce Governor Limits

17. Chapter 14: Performance Profiling

18. Chapter 15: Improving Apex Performance

19. Chapter 16: Performance and Application Architectures

20. Other Books You May Enjoy

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Platform Cache

Salesforce's Platform Cache feature is a feature that allows a developer to designate cache partitions tied to either a user's session or the entire org, which holds data that is often retrieved but changes infrequently (slow-moving data). Examples may include exchange rates in an org cache or a user's current location in a session cache.

To manage data within Platform Cache, it is best practice to use a partition to ensure that you can distribute cache space effectively and ensure that the data is not overwritten incorrectly.

In the following screenshot, you can see a partition I have defined in the cache for storing FX (Foreign eXchange) rates for us to use:

Figure 15.5 – Declaring a Platform Cache partition

For the purpose of this example, let's assume that we want to get a near-live feed of exchange rates with the rate expiring and needing to be refreshed every 15 minutes. We will assume for this example...