2008/2/4, Zhang, Larry (L.) <[EMAIL PROTECTED]>: > Sorry if this is not too on topic. > > I have a user object whose data is from three resources: Db2, LDAP, and > other flat file. Per dao pattern, do you think I should have three daos > or one dao to encapsulate the data access implications?
It depends. If you can have the user object from one source at a time, then the best approach IMHO is one interface/3 implementations. If you are getting this user object from these sources at the same time, use one DAO, and manage connections inside it. Ciao Antonio --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]