Github user Madhuka commented on the pull request:
https://github.com/apache/incubator-zeppelin/pull/203#issuecomment-131730647
@elbamos Thanks for the feedback. A validator is important to determine the
data maps to the schema without any errors beforehand. Yes it is complicated
but I will write more simpler manner so that everybody can understand. It's not
an interpreter. It's useful for users as well as for developers. Users can use
the validator before visualization to check if the data is in accordance with
the data model. It will not break and the user can take the right decision. For
zeppelin developers when they introduce a new chart library they can add a
validator for it so that users can validate the data before they visualize it.
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