Book Image Enterprise Architecture

By : Andrew Fawcett
Book Image Enterprise Architecture

By: Andrew Fawcett

Overview of this book

Table of Contents (20 chapters) Enterprise Architecture
About the Author
About the Reviewers

Implementing design guidelines

The methods in the Selector classes encapsulate common SOQL queries made by the application, such as selectById, as well as more business-related methods, such as selectDriversByTeam. This helps the developers who consume the Selector classes identify the correct methods to use for the business requirement and avoids replication of SOQL queries throughout the application.

Each method also has some standard characteristics in terms of the SObject fields populated, regardless of the method called and the security checks implemented. The overall aim is to allow the caller to focus on the record data returned and not how it was read from the database.

Naming conventions

By now, you're starting to get the idea about naming conventions. The Selector classes and methods borrow guidelines from other layers with a few tweaks. Consider the following naming conventions when writing the Selector code:

  • Class names: In naming a Selector class, it follows the same convention...