On Tuesday, May 28, 2002, 1:58:27 PM, Rick wrote:
RR> BO
RR> [ has method doInsert( DTO myDTO ) which here I would strip
RR> out what I need from the DTO and then call the appropriate
RR> DAOs and methods. For example:
RR> EmployeeDAO.insertEmployee( myDTO.getName(),
RR> myDTO.getAddress(), etc );
RR> SurveyDAO.insertSurvey( myDTO.getEmployeeName(), myDTO.getAnswer1(),
RR> myDTO.getAnswer2(), etc );
RR> ]
One problem I already see with this is my DTOs will probably
have unformatted String fields and the DAO inserts etc would
need the correct data types and formats (Date, int, etc ).
So would maybe it be better do have a helper class in a BO
create an Employee from the DTO (which would create the correct
datatypes and formats ) and then pass this off to the DAO to do
the insert or of course possibly having the object itself be
able to take care of it.
For example in the Business Object:
EmployeeBean emp = MyHelper.makeEmployee( DTO myDTO );
EmployeeDAO.insertEmployee( emp );
OR
EmployeeBean emp = MyHelper.makeEmployee( DTO myDTO );
emp.insertSelf(); // which would call a DAO
The problem ( I think ) with even this solution is I'm told you
shouldn't be passing around the actual entity beans like
EmployeeBean in this case. So now I'm still confused:)
--
Rick
mailto:[EMAIL PROTECTED]
"The difference between a man and a boy is, a boy wants to grow up to
be a fireman, but a man wants to grow up to be a giant monster
fireman."
-Jack Handey
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