Validation for Unique Name and Non-AlphaNumeric Characters

Question

Hi All,
How to do Unique name and Non-Alpha Numeric Characters Validation?
Name should be unique and only allow alphanumeric characters.
Where all validations must be done? In EOImpl or any other file?
Plz help
Thanks,
Sk

Answer 1

SK
Here are the steps you need to perform to check duplicate Employee Names need not entered by user.
First create a VVO in your schema.server package(that of EO) with the following query.Generate both VVOImpl and VVORowImpl file.
select full_name
from fwk_tbx_employees
where full_name =:1Now add this VVO to your VAM means give instance to it.
Now open the VVOImpl and write below code to execute query based on new name entered by user
    public void initQuery(String name)
      setWhereClauseParams(null); // Always reset
      setWhereClauseParam(0, name);
      executeQuery();
    }Now open Your Entity Expert class and add below method in it
   public boolean isEmployeeNameExists(String name)
     boolean isExists = false;
           // Note that we want to use a cached, declaratively defined VO instead of creating
           // one from a SQL statement which is far less performant.
     EmployeeNameVVOImpl employeeNameVVO =
       (EmployeeNameVVOImpl)findValidationViewObject("EmployeeNameVVO1");
     employeeNameVVO.initQuery(name);
     // We're just doing a simple existance check.  If we don't find a match, return false.
     if (employeeNameVVO.hasNext())
       isExists = true;
     return isExists;
   }Now you need to call this expert class method from setter method of EOImpl for name.so Open your EOImpl file and go to setter method of name
      if ((value != null) || (!("".equals(value.trim()))))
        EmployeeEntityExpert expert = getEmployeeEntityExpert(getOADBTransaction());
        if (!(expert.isEmployeeNameExists(value)))
            throw new OAException("Duplicate Employee Name", OAException.ERROR);
      }Remember to write code above setAttributeInternal.
Hope it helps!!!!
Let me know if you have queries in it.
Thanks
AJ