What the Duration of negative Infinity mean?

Richard Bair richard.bair at oracle.com
Wed Jan 30 15:22:06 PST 2013


I recently added to ScheduledService, and it supported all the boundary conditions (isIndefinite, isUnknown) of a Duration. Right now NEGATIVE_INFINITY is not handled at all in Duration. POSITIVE_INFINITY maps to isIndefinite and NaN maps to isUnknown.

It seems like NEGATIVE_INFINITY should also cause isIndefinite to return true. Some code (including mine) was assuming isIndefinite was positive, but that would not now necessarily be the case.



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