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Posted to oak-issues@jackrabbit.apache.org by "Torgeir Veimo (JIRA)" <ji...@apache.org> on 2017/07/05 03:21:00 UTC

[jira] [Created] (OAK-6419) unique id generator

Torgeir Veimo created OAK-6419:
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             Summary: unique id generator
                 Key: OAK-6419
                 URL: https://issues.apache.org/jira/browse/OAK-6419
             Project: Jackrabbit Oak
          Issue Type: New Feature
            Reporter: Torgeir Veimo
            Priority: Minor


It would be great to have a way to safely generate unique id's for node names, with oak configured in a cluster configuration.

This is useful for creating unique slug names for documents, and ensuring unique names for node siblings, or node names repository wide.

It could be implemented as a sequence generator, or similar to how mongodb generates object ids; https://docs.mongodb.org/manual/reference/object-id/. 

With the older jackrabbit implementation it is possible to have a sequence guaranteed to provide unique id's, using enforceable locks. With oak theres no such guarantee when used in a clustered configuration.





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