Learning Salesforce Development with Apex, 2nd Edition
- Length: 302 pages
- Edition: 2
- Language: English
- Publisher: BPB Publications
- Publication Date: 2022-08-12
- ISBN-10: 9355510276
- ISBN-13: 9789355510273
- Sales Rank: #483128 (See Top 100 Books)
Learn to harness the power of the Apex language to build Salesforce applications
Description
Acquiring knowledge of Apex has proved to be a valuable skill for developers eager to add business logic, as well as to execute flow and transaction control statements on Salesforce server.
In this updated and expanded second edition, Author Paul Battisson places a significant emphasis on the scalability, security, and deployment capabilities of Salesforce applications. The nine-time Salesforce MVP took another shot at teaching Apex programming and getting people to start developing Salesforce applications with complete confidence.
Some of the most notable features of this newer edition are:
- Setting up the Salesforce development environment and improving code storage and execution techniques.
- Writing secure Apex code and different ways to enforce security while scaling applications.
- Multiple ways to put your Apex code into production.
- Acquire working knowledge of declaring variables in Apex.
- Recognize Apex’s collection-based functionality.
- Use Apex’s different control statements to manage the flow of a program.
- Get familiar with Apex’s built-in testing tools.
- Acquire proficiency in interacting with third-party applications and data.
- A quick rundown on successfully operating and managing CI/CD and DevOps.
- Expert-run approaches and best practices to write robust codes and avoid major mistakes.
The book contains updates on several sections of this book, including but not limited to programming principles, the use of REST APIs, code testing, and simple examples to assist you in developing dynamic solutions and creating a platform to build.
Who this book is for
Both new and experienced Salesforce administrators can benefit from this book. Those who have no previous programming knowledge can also benefit from this book. The reader is anticipated to have a basic understanding of Salesforce as a platform.
Cover Page Title Page Copyright Page Dedication Page About the Author Acknowledgement Preface Errata Table of Contents 1. An Introduction to the Salesforce Platform Structure Objectives The birth of the cloud Multi-tenancy The Salesforce database Objects and fields Permissions and sharing From clicks to code Workflow Rules Process Builder Flow Choose the right tool at the right time Conclusion Questions 2. What is Apex? Structure Objectives A definition of Apex Strong and weak typing Object-oriented programming Apex and other languages Executing Apex Anonymous blocks Triggers Controllers - Visualforce, Lightning, and JavaScript Remoting Asynchronous Apex Web Services Email Services Saving and compiling Apex Governor Limits The Developer Console and debug logs Conclusion 3. Variables in Apex Structure Objectives Primitives Blob Boolean Date Datetime Decimal Double Id Integer Long Object String Time Nulls Constants sObject, sObjects, and sObject instances DML Insert Update Upsert Delete Undelete Merge Enums Conclusion Questions 4. Collections Structure Objectives The importance of collections Lists Sets Maps Conclusion Questions 5. Control Statements and Operators Structure Objectives Operators Comparison operators Equality == Inequality != Greater Than > Greater Than or Equal To >= Less Than < Less Than or Equal To Logical operators AND operator && OR operator Not operator ! (logical complement) Assignment operators Addition assignment += Subtraction assignment -= Multiplicative assignment *= Divisive assignment /= Action operators Addition operator + Subtraction operator - Multiplication operator * Division operator / Increment operator++ Decrement operator -- Unary Negation operator - The if and if-else statements Ternary-if Switch statements The do-while loops The while loop For loops Conclusion Questions 6. Apex Triggers Structure Objectives What is an Apex trigger? Triggers vs. Flow Types of Apex Trigger The save order of execution When to use each trigger type Before insert After insert Before update After update Before delete After delete After undelete Trigger context variables Our first trigger Bulkification of triggers An un-bulkified trigger Bulkifying our trigger Bulkification for success Conclusion Questions 7. SOQL Structure Objectives What is SOQL? The Force.com Query Optimizer SOQL statement structure Executing SOQL in Apex Using binding variables Aggregate functions and grouping Aggregate functions Grouping An updated trigger example Querying relationships Data from parent records Data from child records Dynamic queries Conclusion Questions 8. SOSL Structure Objectives SOSL structure Conclusion Questions 9. Apex Classes Structure Objectives Defining an Apex class Global Public Private Defining variables Defining properties Why do we need properties? Defining methods Don't Repeat Yourself (DRY) Class constructors this keyword Overloading methods Static methods, variables, and blocks final variables Inner classes Keeping code DRY Selection wrappers Deserialization A detailed example Conclusion Questions 10. Apex Class Inheritance Structure Objectives Interfaces Defining an interface Implementing an interface Abstract classes Abstract methods Virtual methods Virtual classes Updated trigger handler The super keyword Conclusion Questions 11. Enforcing Security in Apex Structure Objective Security on the Salesforce Platform Permissions in Salesforce Sharing and Visibility in Salesforce The Combined Security Model Apex and the System Execution Context An Overview of System Context Enforcing Security on SOQL Queries Using the Security.stripInaccessible Method Manually Enforcing Permissions Sharing in Apex With sharing, without sharing and inherited sharing Conclusion Questions 12. Testing Apex Structure Objectives What is unit testing? Code coverage Defining a Unit Test What happens in a test? Writing our test Exception handling and testing exceptions Standard exceptions Custom exceptions Creating test data Using @TestSetup Test.startTest and Test.stopTest Conclusion Questions 13. Callouts in Apex Structure Overview REST vs. SOAP A brief overview of REST Calling our webservice Defining our inner class Posting data to the site Testing web services StaticResourceCalloutMock Custom HttpCalloutMock implementation Security and authentication Conclusion Questions 14. Deploying Your Apex Code Structure Objective The Software Development Lifecycle (SDLC) Salesforce Environment Types and Management Deploying Apex Code into Production Apex Triggers Apex Classes Coverage Requirements An Overview of the Metadata and Tooling APIs The Metadata API The Tooling API Deployment Using Change Sets The Ant Migration Tool The Salesforce Developer Experience (SFDX) Packages and Package Types A Primer on CI, CD, and DevOps Summary Questions 15. Apex Best Practices Structure Objectives Bulkify Your Code Triggers Queries One Trigger per Object and Trigger Frameworks Check for Null Pointers Check for and Log Exceptions Useful Error Messages Logging Exceptions Test Your Code Thoroughly Testing Outcomes Asserting Bulk Tests Avoid Hardcoding References Custom Settings and Custom Metadata Using Custom Labels Summary Questions 16. Conclusion Addendum for the Second Edition Index
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