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From Emmanuel Lecharny <>
Subject [Schema Refactoring] Proposal
Date Tue, 24 Nov 2009 16:46:28 GMT

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
- 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
- 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 

cordialement, regards,
Emmanuel L├ęcharny

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