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Andy Fawcett

Andy Fawcett

14 posts

The Apex Common Library Master Class The Domain Layer Pattern in Apex (Apex Common Part 10) What is the Domain Layer? The Domain Layer is, “An object model of the domain that incorporates both behavior and data”. – Martin Fowler In most… 5 May 2021 4 min

The Apex Common Library Master Class The Unit of Work Pattern in Apex (Apex Common Part 5) What is the Unit of Work Pattern (UOW) A Unit of Work, “Maintains a list of objects affected by a business transaction and coordinates the writing… 5 May 2021 3 min

The Apex Common Library Master Class The fflib_Application Class Explained (Apex Common Part 4) What is the fflib_Application class? Quality question… I mean honestly wtf is this thing? Lol, sorry, let’s figure it out together. The fflib_Application class is around… 5 May 2021 12 min

The Apex Common Library Master Class The Selector Layer Pattern in Apex (Apex Common Part 13) What is the Selector Layer The Selector Layer is Salesforce is based off Martin Fowler’s Data Mapper Layer concept. It’s, “a layer of Mappers that moves… 5 May 2021 3 min

The Apex Common Library Master Class Unit Testing with the Apex Mocks Library (Part 17) What is Apex Mocks? Apex Mocks is unit test mocking framework for Apex that was inspired by the very popular Java Mockito framework. The Apex Mocks… 5 May 2021 21 min

The Apex Common Library Master Class Implementing the Service Layer with fflib (Part 8) Preparation for the rest of this article There is NO FRAMEWORK that can be made for service layer classes. This is a business logic layer and… 5 May 2021 10 min

The Apex Common Library Master Class The Template Method Pattern in Apex (Apex Common Part 9) What is the Template Method Pattern? The Template Method Pattern is one of the more popular Behavioral Design Pattern. The Template Design Pattern basically is creating… 5 May 2021 2 min

The Apex Common Library Master Class The Builder Pattern in Apex (Apex Common Part 12) What is the Builder Pattern? The Builder Pattern is a Creational Design Pattern that allows you to construct a complex object one step at a time.… 5 May 2021 5 min

The Apex Common Library Master Class Unit Test Mocks with Separation of Concerns (Part 16) How does Unit Testing fit into Separation of Concerns? The answer to this is simple, without Separation of Concerns, there is no unit testing, it just… 5 May 2021 6 min

The Apex Common Library Master Class Unit Tests vs Integration Tests in Apex (Part 15) What is Unit Testing? Unit Testing, is a way to test the logic in one class and ONLY one class at a time. Most classes in… 5 May 2021 4 min

The Apex Common Library Master Class The fflib_SObjectUnitOfWork Class (Apex Common Part 6) What is the fflib_SObjectUnitOfWork class? It is a foundation built to allow you to leverage the unit of work design pattern from within Salesforce. Basically this… 5 May 2021 6 min

The Apex Common Library Master Class Introduction to the Apex Common Library (fflib Part 2) What is the Apex Common Library? The Apex Common Library is an open source library originally created by Andy Fawcett when he was the CTO of… 5 May 2021 3 min