Hi Yuvraj, Vino is right, having a customized function is probably the easiest at this moment.
Alternatively, I think what you are looking for is very much similar to side-input feature of data stream[2]. Thanks, Rong [2] FLIP-17: https://cwiki.apache.org/confluence/display/FLINK/FLIP-17+Side+Inputs+for+DataStream+API On Wed, Aug 1, 2018 at 5:10 AM vino yang <yanghua1...@gmail.com> wrote: > Hi yuvraj, > > Sorry, I didn't see it clearly. I think in many UDF contexts, such as > MapFunction, ProcessFunction, etc., you can access the Rest API as a > client. > Also if you want to improve performance, maybe async I/O will help you[1]. > > [1]: > https://ci.apache.org/projects/flink/flink-docs-release-1.5/dev/stream/operators/asyncio.html > > Thanks, vino. > > 2018-08-01 11:55 GMT+08:00 yuvraj singh <19yuvrajsing...@gmail.com>: > >> Hi vino , thanks for the information . >> But I was looking for the use case where I need to call a web service on >> the stream . >> >> Thanks >> Yubraj Singh >> >> On Wed, Aug 1, 2018, 8:32 AM vino yang <yanghua1...@gmail.com> wrote: >> >>> Hi yuvraj, >>> >>> The documentation of Flink REST API is here : >>> https://ci.apache.org/projects/flink/flink-docs-release-1.5/monitoring/rest_api.html#monitoring-rest-api >>> >>> Thanks, vino. >>> >>> 2018-08-01 3:29 GMT+08:00 yuvraj singh <19yuvrajsing...@gmail.com>: >>> >>>> Hi I have a use case where I need to call rest apis from a flink . I am >>>> not getting much context form internet , please help me on this . >>>> >>>> Thanks >>>> >>>> >>> >
