Is Repository Pattern as same as Active Record Pattern?

No, the Repository Pattern and the Active Record Pattern are not the same, although they are both commonly used in the context of data access and persistence in software applications. Here’s an explanation of the differences between the two:

Repository Pattern:

  • The Repository Pattern is a design pattern that separates the concerns of data access and persistence from the rest of the application’s business logic. It provides a layer of abstraction between the application and the data storage, encapsulating the logic for querying, retrieving, updating, and deleting entities.
  • In the Repository Pattern, a repository acts as a mediator between the application’s business logic and the underlying data storage. The repository provides a standardized and consistent interface for accessing and managing entities, abstracting the specific details of how the data is stored or retrieved.
  • The Repository Pattern promotes separation of concerns, modularization, and testability by isolating the data access logic from the rest of the application. It allows for centralization of data access code, flexibility in swapping data sources, and the ability to apply consistent data access patterns throughout the application.

Active Record Pattern:

  • The Active Record Pattern is an architectural pattern where an object directly represents a record or row in a database table. The object is responsible for encapsulating both the state and behavior of the entity, including the logic for data access, persistence, and querying.
  • In the Active Record Pattern, each object has its own persistence logic, typically including methods for saving, updating, and deleting records in the database. The object’s attributes directly correspond to the fields in the database table.
  • The Active Record Pattern tightly couples the business logic and data access logic within the same object, providing a straightforward and self-contained representation of a database record. It simplifies the code structure by eliminating the need for a separate data access layer.

In summary, the Repository Pattern focuses on separating the concerns of data access and persistence from the application’s business logic, providing a layer of abstraction for data access operations. On the other hand, the Active Record Pattern combines the state and behavior of an entity into a single object, tightly coupling the business logic and data access logic within that object.

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