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.

@FunctionalInterface
public interface Gauge<T>
extends MetricValueProvider<T>

A gauge metric is an instantaneous reading of a particular value.

Method Summary

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

Method Detail

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