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Mastering Apex Programming

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

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Product type Paperback
Published in Nov 2020
Publisher Packt
ISBN-13 9781800200920
Length 368 pages
Edition 1st Edition
Languages
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Author (1):
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Paul Battisson Paul Battisson
Author Profile Icon Paul Battisson
Paul Battisson
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Toc

Table of Contents (21) Chapters Close

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

Calling future methods

As noted in the previous section, our future method is simply a static method, meaning we can call the method in the same way we would call any static method. For example, imagine our method was defined as follows:

public class FutureClass {
	@future
	public static void myFutureMethod() {
		//Method code
	}
}

Then, to invoke this method we would simply execute the following line of code within our code to call the function:

FutureClass.myFutureMethod();

We can call future methods from almost any Apex code we are executing with only a small number of exceptions. You cannot chain future methods together, so the following code would compile but would throw an exception when futureB() was invoked:

@future
public static void futureA() {
	//Code for futureA method
}
@future
public static void futureB() {
    //Execute some other code
    futureA(); //this would compile, but fail at runtime,    &...
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