Package org.apache.kafka.common.metrics

Interface Gauge<T>

All Superinterfaces:
MetricValueProvider<T>
Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
@FunctionalInterfacepublic interface Gauge<T> extends MetricValueProvider<T>
A gauge metric is an instantaneous reading of a particular value.

  • Method Summary

    Modifier and Type
    Method
    Description
    T
    value(MetricConfig config, long now)
    Returns the current value associated with this gauge.

  • Method Details

    • value

      T value(MetricConfig config, long now)
      Returns the current value associated with this gauge.
      Parameters:
      config - The configuration for this metric
      now - The POSIX time in milliseconds the measurement is being taken