com.netflix.concurrency.limits.internal

Class EmptyMetricRegistry

java.lang.Object

com.netflix.concurrency.limits.internal.EmptyMetricRegistry

All Implemented Interfaces:

MetricRegistry

public final class EmptyMetricRegistry
extends java.lang.Object
implements MetricRegistry

Nested Class Summary

Nested classes/interfaces inherited from interface com.netflix.concurrency.limits.MetricRegistry

MetricRegistry.Counter, MetricRegistry.SampleListener

Field Summary

Fields

Modifier and Type	Field and Description
static EmptyMetricRegistry	INSTANCE

Method Summary

Modifier and Type	Method and Description
MetricRegistry.SampleListener	distribution(java.lang.String id, java.lang.String... tagNameValuePairs) Register a sample distribution.
void	gauge(java.lang.String id, java.util.function.Supplier<java.lang.Number> supplier, java.lang.String... tagNameValuePairs) Register a gauge using the provided supplier.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.netflix.concurrency.limits.MetricRegistry

counter, registerDistribution, registerGauge, registerGuage

Field Detail

INSTANCE

public static final EmptyMetricRegistry INSTANCE

Method Detail

distribution

public MetricRegistry.SampleListener distribution(java.lang.String id,
                                                  java.lang.String... tagNameValuePairs)

Description copied from interface: MetricRegistry

Register a sample distribution. Samples are added to the distribution via the returned MetricRegistry.SampleListener. Will reuse an existing MetricRegistry.SampleListener if the distribution already exists.

Specified by:

distribution in interface MetricRegistry

tagNameValuePairs - Pairs of tag name and tag value. Number of parameters must be a multiple of 2.

Returns:

SampleListener for the caller to add samples

gauge

public void gauge(java.lang.String id,
                  java.util.function.Supplier<java.lang.Number> supplier,
                  java.lang.String... tagNameValuePairs)

Description copied from interface: MetricRegistry

Register a gauge using the provided supplier. The supplier will be polled whenever the guage value is flushed by the registry.

Specified by:

gauge in interface MetricRegistry

tagNameValuePairs - Pairs of tag name and tag value. Number of parameters must be a multiple of 2.