How to add Business Logic layer in GWT

[jai sankar]

How to add Business Logic layer between UI (User Interface) and DAL (Data Access Layer).
please reply....

[salvin francis]

Its just an approach,

You can follow either the traditional MVC design pattern or as google suggests, the MVP design pattern.

http://www.martinfowler.com/eaaDev/PassiveScreen.html

ensure that the business logic is entirely at the server end and the client contains only presentation code.