Github user olegz commented on the pull request:
https://github.com/apache/nifi/pull/115#issuecomment-154248804
Great book, great guy and if you can't get a book here is his writeup on
the subject - http://www.ibm.com/developerworks/library/j-jtp05236/.
The bottom line is blanket call to _Thread.interrupt()_ IMHO is always
safe. All it does is resets the interrupt flag that the caller _may_ choose to
ignore. NOT doing it simply implies withholding of the information that may or
may not be relevant.
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