Exmld.KinesisWorker.Datum.__struct__

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%Exmld.KinesisWorker.Datum{}

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Struct for annotating stream records (or heartbeats) with additional data.

To allow a single downstream processing pipeline to be used with multiple source streams, we annotate Kinesis stream records with additional data before providing them to the stage(s) processing them. (Example: :opaque could be a 2-tuple naming the source stream and region or otherwise indicate how to specially process the record).

Fields

  • :opaque - the opaque term provided at worker init time
  • :shard_id - name of the shard the worker is processing
  • :stream_record - a record from the stream or {:heartbeat, _}