Yep it is a good practice. Usually u should have an interface and several dao 
implementing that interface with a factory, so u can change your database 
implementation without having to change the whole code.
You can subclass dao too if u like even if i prefer to use an interface.
Bye
F.

Sun Certified Enterprise Architect (SCEA)
Sun Certified Web Component Developer (SCWCD)

----- Messaggio originale -----
Da: "Zhang, Larry (L.)" <[EMAIL PROTECTED]>
A: Struts Users Mailing List <user@struts.apache.org>
Inviato: Mercoledì 27 giugno 2007, 20:03:26
Oggetto: Dao subclass


 I have a question, is it a good practice to subclass dao? Thanks

---------------------------------------------------------------------
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]










        
                
___________________________________ 
L'email della prossima generazione? Puoi averla con la nuova Yahoo! Mail: 
http://it.docs.yahoo.com/nowyoucan.html

Reply via email to