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- I have a myns:image asset type that is auto-assigned to assets ingested by Imaging department.
- myns:image has mandatory properties and/or children such as a master datastream, of type nt:file or a subtype thereof.
- myns:image assets can only have children of nt:file type. Ideally, that nt:file should be within a range of defined MIME types (not a critical feature for now)
- I need a validation mechanism that throws an error if an user adds or updates a child or property that doesn't conform to that definition.
Issues / limitations
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- The default primary type, nt:folder, allows all Fedora nodes to have children of any type, with any name, in any number. There is no way to restrict that with Fedora's current tools.
- The auto-assigned mixin type, fedora:resource, allows nodes to have properties of any type, with any name, in any number. Ditto as above.