applicationservice
An application service is a component of the application layer in layered or hexagonal architectures. It coordinates the execution of a use case by orchestrating domain objects and infrastructure resources to fulfill a request. It sits between the presentation layer and the domain model and does not primarily implement business rules.
Its responsibilities include input validation, authorization checks, mapping between data transfer objects and domain objects, orchestrating
In Domain-Driven Design, the application layer is above the domain layer. Domain entities, value objects, and
Best practices emphasize keeping application services thin and stateless, avoiding embedding complex business rules, and relying
Example: a PlaceOrderService may validate input, retrieve the customer and product information via repositories, construct an