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- from __future__ import absolute_import
- class Quota(object):
- """An upper or lower bound for metrics"""
- def __init__(self, bound, is_upper):
- self._bound = bound
- self._upper = is_upper
- @staticmethod
- def upper_bound(upper_bound):
- return Quota(upper_bound, True)
- @staticmethod
- def lower_bound(lower_bound):
- return Quota(lower_bound, False)
- def is_upper_bound(self):
- return self._upper
- @property
- def bound(self):
- return self._bound
- def is_acceptable(self, value):
- return ((self.is_upper_bound() and value <= self.bound) or
- (not self.is_upper_bound() and value >= self.bound))
- def __hash__(self):
- prime = 31
- result = prime + self.bound
- return prime * result + self.is_upper_bound()
- def __eq__(self, other):
- if self is other:
- return True
- return (type(self) == type(other) and
- self.bound == other.bound and
- self.is_upper_bound() == other.is_upper_bound())
- def __ne__(self, other):
- return not self.__eq__(other)
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