How to set a field EO based on several fields of VO with validation?

I'm thinking bad to the top of the best way to design the following requirement:

EO has a field in a table - combination_id (which is a foreign key to a separate table, say its called xxx_combinations)
VO emerged from EO, but get the combination_id on xxx_combinations and retrieves the 7 fields that make up the combination.
Screen has 7 individual fields, say Field1 through field7.
The user enters the values for all the fields of 7.

That has to happen is the 7 fields must be validated to ensure that they are a combination eligible (logic quite complicated to determine which combinations are allowed/denied - this is done by calling pl/sql). Assuming that the combination is valid, the 7 fields are searched in xxx_combinations, to return to the combination_id (and if the combination does not exist, it is created). This combination_id should go to the area of occurrence and saved.

I'm not really sure how to do this. At what level I would validate 7 fields and get the real combination_id to go back and update the EO? It almost seems that I need the OS to have all 7 fields in it, not just the combination_id.

Hello

Finally call the Pl/sql procedure to validate the combination of the code of the validateMethod id & validate each field individually from the setattribute method. I think that this will be the best approach for your condition.

Kind regards
GYAN

Tags: Oracle Applications

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