Any hints?
Best Regards,
Julio Dinis Silva


>From: "Júlio Dinis Silva" <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED]
>Subject: [Zope] ZCatalog + Directory product question
>Date: Tue, 15 May 2001 18:29:37 +0100
>
>Hi,
>
>supose you have a product with two classes:
>
>MyCategory
>   |
>   ---------- MyLink
>
>Both classes are CatalogAware.
>The ideia of this classes is to implement
>a Directory like yahoo (think about the Yiahw product).
>
>Now I start creating my Directory.
>My classes have a property "active" that I use
>to activate and deactivate some parts of my Directory.
>
>Now I want to search in my Catalog in which I have MyCategory and
>MyLink instances catalogued.
>
>When I do a search I want to retrieve only results with the
>"active" property "on". This is ease no big deal. But I want to guarante
>that all PARENTS of a given Mylink are all with active property "on". Yes 
>no
>big deal, for each result from my search I
>run trough the getPath(data_record_id) or even PARENTS and check for each
>Parent if they are all with active==on.
>
>Well the problem arises when you have 30 results in your search and
>all are Mylinks in a directory depth path of 10 category... The search
>becomes to heavy,i.e, scalability is compromised.
>
>I'm thinking I could use the zope security engine to do the active/deactive
>trick, i.e, when I deactivate one MyCategory I uncheck some security entry,
>then listing my directory I do a dtml-in with skip-unauthorized, and when I
>do a search I try to getObject MyLink's
>results as a anonymous role and then skip_unauthorized.
>
>I think this skip_unauthorized could be the solution for this
>ZCatalog+Directory product scalability, because instead of running
>trough the PARENTS and check a property, I will be using zope's
>internal security mecanism.
>
>Any hints,
>Júlio Dinis Silva
>_________________________________________________________________________
>Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com.
>
>
>_______________________________________________
>Zope maillist  -  [EMAIL PROTECTED]
>http://lists.zope.org/mailman/listinfo/zope
>**   No cross posts or HTML encoding!  **
>(Related lists -
>http://lists.zope.org/mailman/listinfo/zope-announce
>http://lists.zope.org/mailman/listinfo/zope-dev )

_________________________________________________________________________
Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com.


_______________________________________________
Zope-Dev maillist  -  [EMAIL PROTECTED]
http://lists.zope.org/mailman/listinfo/zope-dev
**  No cross posts or HTML encoding!  **
(Related lists - 
 http://lists.zope.org/mailman/listinfo/zope-announce
 http://lists.zope.org/mailman/listinfo/zope )

Reply via email to