[jira] [Created] (FLINK-3647) Change StreamSource to use Processing-Time Clock Service

[Shang Yuanchun (Jira)]

Aljoscha Krettek created FLINK-3647:
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             Summary: Change StreamSource to use Processing-Time Clock Service
                 Key: FLINK-3647
                 URL: https://issues.apache.org/jira/browse/FLINK-3647
             Project: Flink
          Issue Type: Sub-task
            Reporter: Aljoscha Krettek


Currently, the {{StreamSource.AutomaticWatermarkContext}} has it's own timer service. This should be changed to use the Clock service introduced in FLINK-XXXX to make watermark emission testable by providing a custom Clock.



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