Extract Interface

Kind: technique

Layer: Structural Core

Record: lexicon:extract-interface

Canonical: Lexicon

A technique for declaring the operations clients use as an interface, so the clients depend on it instead of on the class.

Listed in Lexicon terms, after Narrow Specialized Behavior and before Extract Role Interface.

Category

• SOLID / Object-Oriented Design

Refactors

• Concrete Coupling
• Circular Dependency
• Directed Acyclic Graph
• Explicit Contracts
• Interface-Based Design
• Low Coupling
• Abstraction
• Dependency Inversion Principle
• Liskov Substitution Principle
• Extension Points
• Clean Architecture

Linked from

• Anti-patterns
• Causality / Ordering / Distributed Time
• Contracts / Interfaces / Compatibility
• Core Modular Design
• SOLID / Object-Oriented Design
• Plugin / Extensibility / IoC
• Codebase / System Architecture Styles