Teja Srivastasa created ZEPPELIN-667:
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Summary: Get Note to be Ajax call Instead of web socket
Key: ZEPPELIN-667
URL: https://issues.apache.org/jira/browse/ZEPPELIN-667
Project: Zeppelin
Issue Type: Improvement
Reporter: Teja Srivastasa
The ability of getting a note on websocket should be replaced with a
promisified ajax call.
By Design context any entity that gets initialized should happen through API
and any real time exchange of data happens through WS.
Getting note is request for initialization which can happen over API but for
real-time collaboration we cannot use api that is when we use websockets.
The advantage of making it a promisified callback is:
1. The UI content that we can write in the paragraph becomes more cleaner by
giving the developer the exact instance of the rendered page where the scope
variables are not undefined, that is. As of now if we try to use the scope
bounded variables using native javascript there is most likely scenario where
the value on scope is "undefined" .
2. For slower internet connections an interceptor can be given so that we can
display custom progress status till the note object comes
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