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from __future__ import absolute_import
import sys
class MetricConfig(object):
"""Configuration values for metrics"""
def __init__(self, quota=None, samples=2, event_window=sys.maxsize,
time_window_ms=30 * 1000, tags=None):
"""
Arguments:
quota (Quota, optional): Upper or lower bound of a value.
samples (int, optional): Max number of samples kept per metric.
event_window (int, optional): Max number of values per sample.
time_window_ms (int, optional): Max age of an individual sample.
tags (dict of {str: str}, optional): Tags for each metric.
"""
self.quota = quota
self._samples = samples
self.event_window = event_window
self.time_window_ms = time_window_ms
# tags should be OrderedDict (not supported in py26)
self.tags = tags if tags else {}
@property
def samples(self):
return self._samples
@samples.setter
def samples(self, value):
if value < 1:
raise ValueError('The number of samples must be at least 1.')
self._samples = value
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