田欧 4c64c98f34 use checkPositive/checkPositiveOrZero (#8835) ... Motivation: We can replace some "hand-rolled" integer checks with our own static utility method to simplify the code. Modifications: Use methods provided by `ObjectUtil`. Result: Cleaner code and less duplication		2019-02-04 16:01:49 +01:00
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dns	use checkPositive/checkPositiveOrZero (#8835)	2019-02-04 16:01:49 +01:00