Do you intend to pass the Data Object back and forth between the presentation layer and the Business layer? I thought it would be a nice idea to pass only the view of the data in/out of the Business layer and the presentation layer.
I would go more for what Ronald specified. ----- Original Message ----- From: "Rajesh Kanade" <[EMAIL PROTECTED]> To: "'Struts Users Mailing List'" <[EMAIL PROTECTED]> Sent: Tuesday, October 22, 2002 3:25 AM Subject: RE: Duplication of code in Business objects and Action forms > Thanx Ronald for the reply. > > One solution which I have thought of is > > I have a data object let's say called UserData which has all the > instance variables and getter/setter methods. > > Now both User Form and User Business object have a instance variable of > this UserData object which they use. > This way if my data is changing I just have to change it at one place > i.e. my UserData class. > > Are we both essentially talking the same thing ?? > > Thanx > > Rajesh > > -----Original Message----- > From: Ronald Rotteveel [mailto:r.p.rotteveel@;its.tudelft.nl] > Sent: Tuesday, October 22, 2002 3:44 PM > To: Struts Users Mailing List > Subject: Re: Duplication of code in Business objects and Action forms > > > I'm not using Struts for a very long time now, but I think this is NOT > the way to do this. > > In your ActionForm bean called User I would put the getter/setter > methods. In your UserBO (User Business Object) I would put the methods > that make use of the UserDAO (User Data Access Object). The UserBO is > only for handling the business logic in your form/application. The > UserDAO actually executes the real SQL queries or XML update functions. > > So, User extends ActionForm and is really a simple mapping of your form > in your application. > > In your Action class (belonging to this User form) you map the User bean > and give it as an argument with any function of your UserBO object which > will execute the desired action (update/create/delete etc.). > > Hope I helped you a bit. Maybe other people have better solutions, but > this is the way I handle actions....... > > Good luck........ > > Regards, > > Ronald > > > ----- Original Message ----- > From: "Rajesh Kanade" <[EMAIL PROTECTED]> > To: "'Struts Users Mailing List'" <[EMAIL PROTECTED]> > Sent: Tuesday, October 22, 2002 9:00 AM > Subject: Duplication of code in Business objects and Action forms > > > > Hi All > > > > I am new to Struts so please bear with me. > > > > We have started implementing a new product using struts. > > > > Now I do see that I need to have getter /setter methods declared on > > both > my > > business objects as well as Action form. > > So for e.g if I had a User business object which encapsulates the > > entire business login for my system user. Now I will have UserForm > > class also which will have all the getter/setter methods of ny User > > Object so as to faciliate the CRUD operation from the browser. > > > > > > If something changes I need to go and change it in both the places. > > > > Is there any way to over come this problem. > > > > Any help would be greatly appreciated. > > > > Rajesh Kanade > > > > > > > -- > To unsubscribe, e-mail: > <mailto:struts-user-unsubscribe@;jakarta.apache.org> > For additional commands, e-mail: > <mailto:struts-user-help@;jakarta.apache.org> > > > > -- > To unsubscribe, e-mail: <mailto:struts-user-unsubscribe@;jakarta.apache.org> > For additional commands, e-mail: <mailto:struts-user-help@;jakarta.apache.org> > -- To unsubscribe, e-mail: <mailto:struts-user-unsubscribe@;jakarta.apache.org> For additional commands, e-mail: <mailto:struts-user-help@;jakarta.apache.org>
