io.dropwizard.metrics5.jvm

Class SafeFileDescriptorRatioGauge

java.lang.Object

io.dropwizard.metrics5.RatioGauge

io.dropwizard.metrics5.jvm.SafeFileDescriptorRatioGauge

All Implemented Interfaces:

io.dropwizard.metrics5.Gauge<Double>, io.dropwizard.metrics5.Metric

public class SafeFileDescriptorRatioGauge
extends io.dropwizard.metrics5.RatioGauge

Java 9 compatible implementation of FileDescriptorRatioGauge that doesn't use reflection and is not susceptible to an InaccessibleObjectException The gauge represents a ratio of used to total file descriptors.

Author:

Vasily Vorontsov (vasily@wavefront.com)

Nested Class Summary

Nested classes/interfaces inherited from class io.dropwizard.metrics5.RatioGauge

io.dropwizard.metrics5.RatioGauge.Ratio

Constructor Summary

Constructors

Constructor and Description
SafeFileDescriptorRatioGauge() Creates a new gauge using the platform OS bean.
SafeFileDescriptorRatioGauge(OperatingSystemMXBean os) Creates a new gauge using the given OS bean.

Method Summary

Modifier and Type	Method and Description
protected io.dropwizard.metrics5.RatioGauge.Ratio	getRatio()

Methods inherited from class io.dropwizard.metrics5.RatioGauge

getValue

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SafeFileDescriptorRatioGauge

public SafeFileDescriptorRatioGauge()

Creates a new gauge using the platform OS bean.

SafeFileDescriptorRatioGauge

public SafeFileDescriptorRatioGauge(OperatingSystemMXBean os)

Creates a new gauge using the given OS bean.

Parameters:

os - an OperatingSystemMXBean

Method Detail

getRatio

protected io.dropwizard.metrics5.RatioGauge.Ratio getRatio()

Specified by:

getRatio in class io.dropwizard.metrics5.RatioGauge

Returns:

com.codahale.metrics.RatioGauge.Ratio of used to total file descriptors.