metastream | Watch streaming media with friends | Browser Plugin library
kandi X-RAY | metastream Summary
kandi X-RAY | metastream Summary
Watch streaming media with friends.
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QUESTION
I have a set of stream stages (Sources, Flows and Sinks) which I would like to add some MetaData information to.
Therefore rather than Sources producing A -> (A, StreamMetaData). I've managed to do this using custom stream stages whereby on grab(in) the element, I push(out, (elem, StreamMetaData)). In reality it is not 'converting' the existing Source but passing it to a flow to recreate a new source.
Now I'm trying to implement the below MetaStream stage:
Therefore given that the source is producing tuples of (A, StreamMetaData), I want to pass the A to an existing Flow for some computation to take place and then merge the output produced 'B' with the StreamMetaData. These will then be passed to a Sink which accepts (B, StreamMetaData).
How would you suggest I go about it. I've been informed partial graphs are the best bet and would help in completing such a task. UniformFanOut and UniformFanIn using Unzip((A streamMetaData), A, StreamMetaData) and Zip(A,B)
...ANSWER
Answered 2018-Jun-15 at 17:27This aprox creating a new SourceShape stacking flow graph can work, a little bit different of your flowShape implementation.
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