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Fat-Client-Application
Server-Side-Application (EJB)
Construct
Business Object
Data Object
to read and
update
database
Data Object
to read and
update
database
Update or
insert data
to one or more
databases
Business Object;
constructed when
Application started
Call Business Object
construction at the
Server-Side
and
tranfer values
values
........
........
Method to transfer
the values
from the entry fields
Verifiy
consistency
of values