You're reading from Mastering Apex Programming A Salesforce developer's guide to learn advanced techniques and programming best practices for building robust and scalable enterprise-grade applications

Product type Paperback

Published in Nov 2023

Publisher Packt

ISBN-13 9781837638352

Length 394 pages

Edition 2nd Edition

Languages

Apex

Tools

Salesforce

Concepts

CRM

Author (1):

Paul Battisson

View More author details

Table of Contents (28) 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

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. Section 3: Integrations

14. Chapter 11: Integrating with Salesforce

15. Chapter 12: Using Platform Events

16. Chapter 13: Apex and Flow

17. Chapter 14: Apex REST and Custom Web Services

18. Chapter 15: Outbound Integrations – REST

19. Chapter 16: Outbound Integrations – SOAP

20. Chapter 17: DataWeave in Apex

21. Section 4: Apex Performance

22. Chapter 18: Performance and the Salesforce Governor Limits

23. Chapter 19: Performance Profiling

24. Chapter 20: Improving Apex Performance

25. Chapter 21: Performance and Application Architectures

26. Index

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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 a best practice to use a partition, ensuring that you can distribute cache space effectively and that the data is not overwritten incorrectly.

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

Figure 20.5 – 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...