Class WindowedCount
- java.lang.Object
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- org.apache.kafka.common.metrics.stats.SampledStat
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- org.apache.kafka.common.metrics.stats.WindowedSum
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- org.apache.kafka.common.metrics.stats.WindowedCount
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- All Implemented Interfaces:
Measurable
,MeasurableStat
,MetricValueProvider<Double>
,Stat
public class WindowedCount extends WindowedSum
ASampledStat
that maintains a simple count of what it has seen. This is a special kind ofWindowedSum
that always records a value of1
instead of the provided value. In other words, it counts the number ofSampledStat.record(MetricConfig, double, long)
invocations, instead of summing the recorded values. See alsoCumulativeCount
for a non-sampled version of this metric.
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Constructor Summary
Constructors Constructor Description WindowedCount()
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Method Summary
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Methods inherited from class org.apache.kafka.common.metrics.stats.WindowedSum
combine
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