When should I use the data mapper pattern?

When should I use the data mapper pattern?

The data mapper pattern is useful when you want to separate your domain logic from the database layer, allowing for more flexibility.

Can you give me an example of where this pattern is beneficial?

Sure! It's beneficial in applications where you need to switch databases or when you want to test your domain logic without a database.

What are the main advantages of using this pattern?

The main advantages include improved maintainability, easier testing, and the ability to work with multiple data sources.

Are there any downsides to using the data mapper pattern?

Yes, it can introduce complexity and may require more initial setup compared to simpler patterns.