What are some tips for implementing a service layer in my application?
When implementing a service layer, consider the following tips: 1. Keep it thin; focus on business logic. 2. Use clear interfaces for communication. 3. Ensure separation of concerns. 4. Implement error handling and logging.
Can you explain why separation of concerns is important?
Separation of concerns helps in organizing code, making it easier to maintain and test. It allows different parts of the application to evolve independently.
What are some common mistakes to avoid during implementation?
Common mistakes include overloading the service layer with too much logic, neglecting error handling, and not properly defining interfaces.
How can I test my service layer effectively?
You can test your service layer by writing unit tests for each service method, using mocks for dependencies, and ensuring that edge cases are covered.
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