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Domain Model

 
Ranganathan Kaliyur Mannar
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My biggest issue with assignment is not with designing...I think that is manageable...
But, I have to tweak the domain model based on the use cases (and also add assumptions to explain this)...
this is what I am most scared about - because I see many messages saying they were failed because they changed the domain model...
But, in the assignment, nowhere is it mentioned that you cannot tweak the domain model...then why?
 
Jeanne Boyarsky
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Ranga,
You are allowed to change the domain model so long as you document why. It is advised not to make big changes to the model though as you could be penalized for that. I think it is because one can change/oversimplify the question that way.
 
Ranganathan Kaliyur Mannar
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oh ok. I think that sounds reasonable.
In my case, I think the Domain Model is actually simple and doesn't accomodate all the use case requests. So, I have to and its becoming complex - though, I have tried to keep it close to the original as possible.

Thanks for your reply!
 
Bigwood Liu
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Ranganathan Kaliyur Mannar wrote:oh ok. I think that sounds reasonable.
In my case, I think the Domain Model is actually simple and doesn't accomodate all the use case requests. So, I have to and its becoming complex - though, I have tried to keep it close to the original as possible.

Thanks for your reply!


If you want to complicate the existing domain model entities, such as add more relationships, add more behaviors, I think you are probably going wrong way.

If DM does not meet your design intention, it is better to add new entities instead of modifying the existing domain model.
 
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