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DDD - Multiple Bounded Contexts because of differing aggregate data?


By : Manu M.R
Date : October 16 2020, 08:10 AM
hope this fix your issue
...domain events / process and that's the major building block we used to identify our bounded contexts
code :


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DDD: bounded contexts - domain entities that reference concerns in another bounded context


By : user3289568
Date : March 29 2020, 07:55 AM
may help you . You can have different representations of the same entity in different bounded contexts. Company in Company BC can be very different from company in User BC. All they have to share is some kind of correlation Id.

Bounded Contexts and Aggregate Roots


By : Amit
Date : March 29 2020, 07:55 AM
will help you Firstly I can't help but feel you've misunderstood the concept of a bounded context. What you've described as BC's I would describe as entities. In my mind, bounded contexts serve to give entities defined in the ubiquitous language a different purpose for a given context.
For example, in a hospital domain, a Patient being treated in the outpatients department might have a list of Referrals, and methods such as BookAppointment(). A Patient being treated as an Inpatient however, will have a Ward property and methods such as TransferToTheatre(). Given this, there are two bounded contexts that patients exist in: Outpatients & Inpatients. In the insurance domain, the sales team put together a Policy that has a degree of risk associated to it and therefore cost. But if it reaches the claims department, that information is meaningless to them. They only need to verify whether the policy is valid for the claim. So there is two contexts here: Sales & Claims

Bounded contexts sharing a same aggregate


By : user3504608
Date : March 29 2020, 07:55 AM
it should still fix some issue It seems pretty clear that according to DDD you should duplicate you models when they are shared by different bounded domains.
Also service patterns encourage not using the same object on both sides of the service.

How many event storages should we use by multiple bounded contexts?


By : Aakash
Date : March 29 2020, 07:55 AM
hope this fix your issue I am currently reading about DDD and I did not manage to find answer to this question. If we have a large application with multiple bounded contexts, then as far as I know we should implement each BC as it were a separate application. Thus it is logical to come to the conclusion that each BC has its own UI and event storage. I previously thought that we have only a single event storage because it is the single source of truth according to some articles (about CQRS). The only problem with these statements that they lack of context. So is an event storage the single source of truth in a single bounded context or in the entire application?
code :
  "Is an ES the single source of truth in a bounded context or in entire application?" 
 "If we have a large application with multiple bounded contexts"

DDD - Bounded Contexts and Multiple Models?


By : Sushil Pal
Date : March 29 2020, 07:55 AM
help you fix your problem At least You are on right track. Classic mistake is to see patterns only.
Domain means problems You are dealing with (support for e-commerce, healthcare, accounting, etc.). Domain model is solution of those problems represented in code that follows our mental model as close as possible.
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