Clean architecture is a software design approach that aims to create loosely coupled, maintainable, and testable code. It was introduced by Robert C. Martin in his book Clean Architecture: A Craftsman’s Guide to Software Structure and Design.
Key Principles
The core principles of clean architecture are:
Separation of Concerns
- Divide the system into layers or modules with distinct responsibilities.
- For example, separate the user interface layer from the business logic layer.
Dependency Inversion
- Dependencies should be defined in the higher layers and implemented in the lower layers.
- This allows for easier testing and maintenance.
Use Case-Driven Design
- Identify the different use cases of the system and design the architecture to support them.
- This ensures that the system meets the functional requirements.
Benefits
- Improved Maintainability: Loosely coupled code is easier to change and extend.
- Increased Testability: Dependency inversion makes it easier to isolate and test individual components.
- Enhanced Reusability: Well-defined interfaces allow for code reuse across different projects.
- Scalability: The architecture can be easily scaled by adding new layers or modules.
Layers of Clean Architecture
- User Interface: Responsible for displaying the user interface and interacting with the user.
- Application: Contains the business logic and domain models.
- Infrastructure: Provides low-level functionality such as database access and logging.
- Entities: Represent the core business concepts.
Conclusion
Clean architecture is a powerful approach to software design that promotes maintainability, testability, and reusability. By following its principles, developers can create high-quality software that meets the needs of stakeholders.
Kind regards M. Carson – Internet Technologies Trends & News
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