[dna-issues] [JBoss JIRA] Resolved: (DNA-286) Implement namespace management

[Randall Hauch (JIRA)]

     [ https://jira.jboss.org/jira/browse/DNA-286?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Randall Hauch resolved DNA-286.
-------------------------------

    Resolution: Done


This change corrects the behavior of the Session's namespace-related methods, which are not the same as those in the NamespaceRegistry implementation associated with the workspace.  This also corrected several of the TCK tests associated with namespaces.

Note that the StringValueFactory in 'dna-graph' was changed to use a DNA namespace registry to convert a Name and Path to a string using the namespace prefixes.  (This change affected a number of unit tests.)  The result is that any Name and Path property values are treated correctly and properly converted to a string using the current namespace prefixes in the namespace registry.  However, the BinaryValueFactory implementations should not use this StringValueFactory, since they need to convert values using the non-prefixed form (that is, the namespace URI).

In the case of our JCR implementation, the above change to the Graph factories means that property values are properly mapped to strings using the Session's local mappings (which fall back on the Workspace's mappings).  This corrected at least one TCK test.

I believe this addresses all the concerns documented above.  Therefore, marking as resolved.  But as always, if this is not true, please reopen.

> Implement namespace management
> ------------------------------
>
>                 Key: DNA-286
>                 URL: https://jira.jboss.org/jira/browse/DNA-286
>             Project: DNA
>          Issue Type: Sub-task
>          Components: API, JCR
>    Affects Versions: 0.3
>            Reporter: Randall Hauch
>            Assignee: Randall Hauch
>             Fix For: 0.4
>
>         Attachments: DNA-286.patch
>
>
> Our JCR implementation needs a namespace registry that stores the namespaces and their prefixes in such a way that they can be clustered.  The best approach is probably to store the namespaces under "/jcr:system/" in a DNA-specific location (as the JCR spec does not specify that the namespaces are available as content.  By doing this, the namespace registry would automatically work across a cluster (any clients that are using the same RepositorySource).

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