org.apache.flink.metrics

Interface Gauge<T>

All Superinterfaces:

Metric

All Known Implementing Classes:

AbstractBuffersUsageGauge, CreditBasedInputBuffersUsageGauge, DownTimeGauge, ExclusiveBuffersUsageGauge, FloatingBuffersUsageGauge, InputBuffersGauge, KafkaMetricMutableWrapper, KafkaMetricWrapper, MinWatermarkGauge, OutputBufferPoolUsageGauge, OutputBuffersGauge, RestartTimeGauge, UpTimeGauge, WatermarkGauge

public interface Gauge<T>
extends Metric

A Gauge is a Metric that calculates a specific value at a point in time.

Method Summary

Modifier and Type	Method and Description
T	getValue() Calculates and returns the measured value.

Method Detail

getValue

T getValue()

Calculates and returns the measured value.

Returns:

calculated value