OVD mappings: support for post-process filtering

Hi all,
does anyone know if post process filtering is possible via python's mapping scripts using a method similar to java's com.octetstring.vde.util.FilterUtils.evalFilter(Entry e, Filter f)?
This functionality is required when you have to work with ldap filters in inbound traffic, that contain references to virtual attributes, ie attributes that do not really exist on the backend data store and have no one to one mapping with a real attribute/column . Such filters have to be omitted in the inbound traffic and apply them on the outbound traffic after the virtual attribute has been constructed.
I know how to process the filter elements and how to pass the "infected" element of the filter from the inbound to the outbound via the request method, but I dont' know if there is an easy way to apply the filter on the outbound results.
Think of an employeeType attribute (this is the virtual attribute) that is constructed based on the prefix of the value of the employee_code (this is a real column in DB). Now think of a user filter like (employeeType=something)

Have you attempted something similar before? Have you done it in python? Regarding this custom logic I see two issues
a)do I have to loop in the results set, to process each entry in the results? Is there a ready method to apply directly the ldap filter on the results set?
b)in order to cope with substrings within ldap filters do I have to built custom code to simulate ldap regexp and escape codes? I would welcome a method to apply directly a filter at least on entries if the first option is not possible.

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null

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Message was edited by:
Eric Vota

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Message was edited by:
user585821 on 19 July 2007

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NOTE:
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Presentation Layer
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> End User
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>
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Oh Man that's really sad...I've been working on SOA for that last 9 months and just getting back into APEX. Carl helped me heaps and answered alot of my questions. I'm an oracle instructor and have been teacing/using the product since it started. Carl's name was synonymous with APEX...
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OVD mappings: support for post-process filtering

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