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From yunfan123 <yunfanfight...@foxmail.com>
Subject Re: How flink monitor source stream task(Time Trigger) is running?
Date Mon, 02 Oct 2017 11:19:03 GMT
Thank you. 
"If SourceFunction.run methods returns without an exception Flink assumes
that it has cleanly shutdown and that there were simply no more elements to
collect/create by this task. "
This sentence solve my confusion.

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