ADF Basics: Duplicate Record Validation Using Custom Java Method

Hello All

Recently I have posted about duplicate record validation using model level business rules (Unique Key Validation) but sometimes we need to check some more conditions or we have some other logic that should be checked before validating the input then in that case we can write custom java method in model (Application Module Impl class) and call it in bean validator using binding layer

ADF Basics: Duplicate Record Validation Using Model Level Business Rules

Hello All

Hope you all are doing well :)

When we are creating any data entry form , at that time preventing duplicate entries for some of attributes is very basic validation requirement .

Suppose We are creating a form to make new Departments entry and  there should not be two departments with same name so for this type of validation we need not to write single line of code in Oracle ADF as there are predefined business rules for basic validation