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From Ersin ER <ersin...@gmail.com>
Subject Re: [Schema Refactoring] Proposal
Date Tue, 24 Nov 2009 17:26:54 GMT
Hi,

On Tue, Nov 24, 2009 at 18:46, Emmanuel Lecharny <elecharny@apache.org>wrote:

> Hi,
>
> considering the problem we might face if we allow all modifications in the
> schema, I would suggest we implement only a partial support for modification
> in the server.
>
> First, we will have a dual mode for the SchemaManager :
> - strict, used in the server
> - relaxed, used in studio and in the API
>
> If the Schema is in strict mode :
> - Add operations will be allowed for AT, C, MR, N, OC, S and SC
> - Move operations will be allowed for AT, C, MR, N, OC, S and SC
>

Move? Just a rename or moving a schema object from one Schema to another?
Both of them are unsafe. For unsafe operations we should be running a
routine for checking relevant entries in the DIT. Or we should just reject.


> - Enabling schemas will be allowed
> - All other operations will be rejected (any operation done on DCR, DSR, NF
> and MRU, all deletes, renaming, modifications, disabling a schema)
> - We can't have two SchemaObject with the same OID in a specific registry
>
> If the Schema is in relaxed mode :
> - all the operations will be allowed
>

I do not really know what's your intent with 'relaxed'?


> - we will be able to inject more than one object in a specific registry
> with the same OID
>
> Is that OK ?
>
> PS: We also need to add some listeners in the SchemaManager, Schema and
> SchemaObject.
>
> --
> --
> cordialement, regards,
> Emmanuel L├ęcharny
> www.iktek.com
> directory.apache.org
>
>
>
More to discuss after some answers..


-- 
Ersin ER
http://www.ersiner.net

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