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From "Peeter Piegaze" <peeter.pieg...@day.com>
Subject Re: Best Practice: defining custom nodes
Date Mon, 20 Feb 2006 09:52:52 GMT
On 2/19/06, Mark Slater <lists@humanesoftware.com> wrote:
> I'm a bit confused. My understanding of custom types was that they
> simply define constraints on the otherwise (relatively) unstructured
> nodes, more like defining constraints on your tables (UNIQUE, FOREIGN
> KEY, etc) in an RDBMS than user defined types to be stored in the
> tables.

Yes, you are right.

> Just to be clear, I am not planning to subclass Jackrabbit's
> NodeImpl class to add functionality based on the custom types; I'm
> not even sure where this would be done because I haven't seen a place
> to map JCR repository node type to Java class type.
>
> Also, when I asked why there wasn't a place to specify custom node
> definitions in the repository configuration, the "Reader" I was
> referring to would be (currently) either
> org.apache.jackrabbit.core.nodetype.xml.NodeTypeReader, or
> org.apache.jackrabbit.core.nodetype.compact.CompactNodeTypeDefReader.
> Since Jackrabbit knows when it creates the repository for the first
> time, it seems far better to let it decide if/when to process a
> custom node file. If clients need to add custom types later, they're
> on their own. The other possibility that could work well would a
> repository initialization hook - a client specified function called
> when a repository is created to do one time initialization (custom
> node types, initial layout of the default workspace, etc.).

Currently Jackrabbit does not provide a simple way of automatiocally
registering node types
on startup, your application will have to handle this.

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