Github user ahgittin commented on the pull request:
https://github.com/apache/incubator-brooklyn/pull/1020#issuecomment-157442362
Great ideas. I like the idea of using (and introducing if needed) some
general purpose interfaces like `HasDatastoreUrl` as markers to map this to a
TOSCA type hierarchy.
Yes, add the `tag()` methods for `CatalogItem`; this is useful. Include
some tests please. (And probably close this PR.)
Probably worth some discussion on list about how to expose supertypes.
Adding dozens of tags to support all interfaces is not very nice; probably it
is just some which we care about. Also as it happens in #1017 I'm working on a
`TypeRegistry` to replace the catalog, and supertypes is one of the things I'm
adding to the `RegisteredType` which will replace `CatalogItem`. Maybe you can
look at that and help move that ball down the field.
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