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Daniel Pötzinger
2018-05-09 13:18:45 +02:00
parent 97553cc52e
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radar/2017-10-01/ports-and-adapters.md
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@@ -22,13 +22,12 @@ In short here is how we often layer such applications:
* Contains the Applications API and Services, that are developed around the use cases in the application requirements.
* This use cases orchestrate the flow of data to and from the domain
* Interfaces:
* set of adapters that convert data from the format most convenient for the use cases to the format most convenient for some external agency/access
* Contains everything required to convert data from the format most convenient for the use cases (e.g. in the application layer) to the format required for some external agency/access
* e.g. (Web) Controllers / DTOs for handling forms etc
* Infrastructure:
* This layer is where all the details go. The Web is a detail. The database is a detail. We keep these things on the outside where they can do little harm.
* This is where you can use frameworks and tools such as the RDB Mappers etc.
* communication details with other external systems (and its DataTransferObjects and Mappers)
* This layer is where all the (technical) details live. (The database and persitence is a detail, the communication format and mappings with external services is a detail, etc..)
* In this layer you typically have adapters for the secondary ports that have been defined in the layers below. (e.g. an Implementation of a Repository interface from the Domain layer)
This layers belong to every bounded context (modules) inside the application.
These layers belong to every bounded context (modules) inside the application.
So if you are searching for a potential timeless architecture for your critical application? Try to implement a potent technology free domain model in the core layer and use ports and adapters to layer your application.