Application Services and Framework Annotations

Hi everybody,


In many of the sample DDD applications that I reviewed, framework 
specific annotations are used to annotate the Domain Model (e.g. @Table, 
@Entity) and the Application Services (e.g. @Transactional, @PreAuthorize).


I believe that the Application Services and especially the Domain Model 
should not depend on the framework we are using.


Do you agree with the statement above?


For example, in the Domain Model we define Repository interfaces that 
are implemented in an infrastructure layer. Thus, the Domain Model is 
ignorant of the persistence mechanism.


Similarly, Application Services manage security and transactions but 
depend on Security/Transaction interfaces defined in the Application layer.


Greetings,


Nikolaos Papagrigoriou


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