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https://issues.apache.org/jira/browse/OAK-1126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13815496#comment-13815496
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Tobias Bocanegra commented on OAK-1126:
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I suggest to go with a compromise:
# let the persistence layer determine if SNNP is supported or not
# don't add any SNNP related checks in the Oak layer and assume it's supported.
advantages:
* the MK API can stay the same
* no unnecessary checks in the Oak layer to check for colliding SNNP
* Oak is backward compatible to JR2.x with persistence implementations that
support SNNP
disadvantages:
* we need to introduce a capabilities interface to the persistence layer
* Oak clients need to be aware that depending on the persistence used, the
repository could behave differently, and need to check the respective
repository descriptor (which they should anyways :-)
changes:
* the value of the {{option.node.and.property.with.same.name.supported}}
descriptor needs to be provided by the persistence layer
* disable SNNP support in the MKs
* enable SNNP support in the NodeStores
> Same node and property name support
> -----------------------------------
>
> Key: OAK-1126
> URL: https://issues.apache.org/jira/browse/OAK-1126
> Project: Jackrabbit Oak
> Issue Type: Sub-task
> Components: core, doc, jcr
> Reporter: Tobias Bocanegra
> Attachments: 0001-OAK-1126-Same-node-and-property-name-support.patch,
> 0002-OAK-1126-Same-node-and-property-name-support.patch, OAK-1126.patch
>
>
> The initial MK abstraction mandated that the nodes and properties share the
> same namespace
> (http://wiki.apache.org/jackrabbit/RepositoryMicroKernel#Data%20Model). This
> is a regression from Jackrabbit 2.x, which supports same name nodes and
> properties (SNNP).
> OTOH, the NodeStores can easily support SNNP and with proper escaping, the
> MKs can also support it.
> We should try to keep the support for SNNP in order to keep backward
> compatibility for existing content, and also keep the support for importing
> XML documents with same attribute and element names.
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