[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Ozone application design issue

 I think your choice is the better. You can improve your design creating
"artificial" levels (I already used the first character of a name) for the
trees.

-----Mensagem original-----
De: Don Berendsen <donberendsen@hotmail.com>
Para: ozone-users@ozone-db.org <ozone-users@ozone-db.org>
Data: Quarta-feira, 22 de Novembro de 2000 07:27
Assunto: Ozone application design issue


>I welcome anyone's thoughts or experiences on a design problem for part of
>an ozone application I'm developing. The application GUI displays about 12
>trees. Most are 2-4 layers deep and with 100-300 nodes. A few trees may
>typically have several thousand nodes, and some users may have 10-20
>thousand nodes in their application. Associated with each node is an object
>whose details can be accessed through the GUI.
>
>The problem is how best to implement the association between the node and
>the ozone object considering ozone's client-server architecture.
>
>For performance reasons it seems impractical to have the proxies that are
>associated with each of the nodes on the client. Serializing thousands of
>10k+ objects just to display thier names and be able to access their
methods
>seems unwieldy.
>
>My thought is to have the userObject in tree node be a lightweight object
>containing only the name for display and an id that could be used to
>retrieve the associated ozone proxy when needed. I would use an id since I
>believe that ozone doesn't have an object identity object that could be
used
>for this purpose.  The trees of these lightweight objects would be built on
>the server and provided to the client for display. There are many other
>considerations such as updating the trees and retrieving branches for large
>trees that I'm not addressing at this stage.
>
>My request concerns the basic strategy of using lightweight objects instead
>of ozone proxies as the node userObjects. Is there a better way? I welcome
>your thoughts, experiences and suggestions.
>
>cheers,
>
>don
>___________________________________________________________________________
__________
>Get more from the Web.  FREE MSN Explorer download :
http://explorer.msn.com
>