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import time
class KafkaMetric(object):
# NOTE java constructor takes a lock instance
def __init__(self, metric_name, measurable, config):
if not metric_name:
raise ValueError('metric_name must be non-empty')
if not measurable:
raise ValueError('measurable must be non-empty')
self._metric_name = metric_name
self._measurable = measurable
self._config = config
@property
def metric_name(self):
return self._metric_name
@property
def measurable(self):
return self._measurable
@property
def config(self):
return self._config
@config.setter
def config(self, config):
self._config = config
def value(self, time_ms=None):
if time_ms is None:
time_ms = time.time() * 1000
return self.measurable.measure(self.config, time_ms)
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