[Enhancement ] - Add set label and get uri api (#2470)
[Enhancement ] - Add set label and get uri api (#2470)

* add set label api

* update api

* add examples

* fix doc

yangw1234/BigDL,intel-analytics/BigDL,yangw1234/BigDL,yangw1234/BigDL,intel-analytics/BigDL,intel-analytics/BigDL,yangw1234/BigDL,intel-analytics/BigDL