Module io.helidon.webserver.observe.metrics

Package io.helidon.webserver.observe.metrics

Class JsonMeterRegistryFormatterProvider

java.lang.Object

io.helidon.webserver.observe.metrics.JsonMeterRegistryFormatterProvider

All Implemented Interfaces:

MeterRegistryFormatterProvider

public class JsonMeterRegistryFormatterProvider
extends Object
implements MeterRegistryFormatterProvider

JSON formatter provider.

Constructor Summary

Constructors

Constructor	Description
JsonMeterRegistryFormatterProvider()	Creates a new instance for service loading.

Method Summary

Modifier and Type	Method	Description
Optional<MeterRegistryFormatter>	formatter(MediaType mediaType, MetricsConfig metricsConfig, MeterRegistry meterRegistry, Optional<String> scopeTagName, Iterable<String> scopeSelection, Iterable<String> nameSelection)	Returns, if possible, a MeterRegistryFormatter capable of preparing output according to the specified MediaType.

Methods inherited from class java.lang.Object

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

Constructor Details

JsonMeterRegistryFormatterProvider

public JsonMeterRegistryFormatterProvider()

Creates a new instance for service loading.

Method Details

formatter

public Optional<MeterRegistryFormatter> formatter(MediaType mediaType,
 MetricsConfig metricsConfig,
 MeterRegistry meterRegistry,
 Optional<String> scopeTagName,
 Iterable<String> scopeSelection,
 Iterable<String> nameSelection)

Description copied from interface: MeterRegistryFormatterProvider

Returns, if possible, a MeterRegistryFormatter capable of preparing output according to the specified MediaType.

Specified by:

formatter in interface MeterRegistryFormatterProvider

Parameters:

mediaType - media type of the desired output

metricsConfig - MetricsConfig to influence the formatting

meterRegistry - MeterRegistry from which to gather data

scopeTagName - tag name used to record scope

scopeSelection - scope names to format; empty means no scope-based restriction

nameSelection - meter names to format; empty means no name-based restriction

Returns:

compatible formatter; empty if none