Definition
In Salesforce development, the architectural pattern where the Model (Apex classes/sObjects) manages data, the View (Visualforce/LWC) handles the UI, and the Controller (Apex) manages business logic and user interactions.
Real-World Example
When a Salesforce developer at CodeBridge needs to streamline operations, they turn to MVC (Model-View-Controller) to create a robust integration between Salesforce and an external system. Using MVC (Model-View-Controller), the developer builds an efficient solution that syncs data in near real-time, handles error scenarios gracefully, and includes detailed logging for troubleshooting.
Why MVC (Model-View-Controller) Matters
In Salesforce development, MVC (Model-View-Controller) is the architectural pattern where the Model (Apex classes and sObjects) manages data, the View (Visualforce pages or Lightning Web Components) handles the user interface, and the Controller (Apex classes) manages business logic and user interactions. This separation of concerns is a foundational pattern in software architecture, making code more maintainable, testable, and modular.
MVC was particularly central to Visualforce development, which was explicitly designed around the pattern. Lightning Web Components have a different architecture (component-based, with reactive properties and events) but the underlying separation of concerns still applies. Modern Salesforce development typically separates concerns through LWC components for UI, Apex controllers/services for business logic, and the data model (custom objects, fields, relationships) for state. Knowing MVC matters for understanding Visualforce code and for general software architecture principles.
How Organizations Use MVC (Model-View-Controller)
- •TerraForm Tech — Built their Visualforce pages with explicit MVC separation, with controllers handling logic and pages handling display.
- •CodeBridge — Trains developers on MVC principles even for LWC work, since the underlying separation of concerns remains valuable.
- •Quantum Labs — Uses MVC principles when designing custom code, separating data, presentation, and logic concerns explicitly.