Github user mxm commented on the issue:
https://github.com/apache/flink/pull/2109
Just had a brief look. Looks nice. Actually, I like how you moved the file
filter to the `FileInputFormat` instead of having it as a special case of the
file monitoring source.
I think you made at least one API breaking change which we will have to
revert on `StreamExecutionEnvironment` after the next release (1.1.0). I think
nobody will use `GlobFilePathFilter` unless it is documented. Could you revert
the method changes on the environment and add some documentation?
I would keep the default filter as it is. A lot of users wouldn't expect
the default filter to evaluate regular expressions.
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