Master data validation in service layer

Posted by rakesh-nitj on Stack Overflow See other posts from Stack Overflow or by rakesh-nitj
Published on 2010-06-17T05:25:26Z Indexed on 2010/06/17 5:33 UTC
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User enters the data in the forms by choosing values from the master data drop downs in web layer. Data is populated in the dropdowns based on some logic from the master data tables and we know for sure that its a valid master data as far as web layer is concern. Now my question is, should be check the validity of the master data in service layer again because we want to use service layer for mulitple interfaces (Web User Interface, Web Services, Unit Test Cases etc.) or we should validate the master data in respective interfaces only.

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