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More on architecture
The project is divided into the following layers:
- Tasks
- Domain
- Infrastructure
- Presentation
- Specs/Tests
Despite their divergent names, the layers and their functions should be familiar to anyone with experience with the MVC pattern.
Previous known as "Application Services," the Tasks Layer serves to tie together any non-business logic from a variety of third-party services or persistence technologies. While setup and defining a service such as Twitter would occur in the Infrastructure Layer, executing and combining the results with, say, a local NHibernate database, would occur in the Tasks Layer. The resulting viewModel or DTO would be sent down to the Presentation Layer
- CommandHandlers
- Commands
The Presentation Layer contains the familiar MVC project with views, viewmodels and controllers, along with application setup tasks. Previous iterations of Sharp Architecture spun out controllers to a separate application, but as of 2.0 this is no longer the case.
- ViewModels
- Query Objects
- Controllers
- Views
The Infrastructure Layer setups up third party data sources, along with items such as NHibernate maps. Previously, methods on a repository would exist here, but are superseded by IQuery.
The Domain Layer is where business entities and other business logic resides. The domain layer should be persistence ignorant, with any persistence existing in the Tasks Layer or in the Presentation Layer (for populating viewModels).
- Contracts for Tasks
- Contracts for IQuery