图片解析应用
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17 lines
487 B

from __future__ import absolute_import
from kafka.metrics.stats.sampled_stat import AbstractSampledStat
class Count(AbstractSampledStat):
"""
An AbstractSampledStat that maintains a simple count of what it has seen.
"""
def __init__(self):
super(Count, self).__init__(0.0)
def update(self, sample, config, value, now):
sample.value += 1.0
def combine(self, samples, config, now):
return float(sum(sample.value for sample in samples))