org.eclipse.microprofile.metrics

Interface Metadata

All Known Implementing Classes:

DefaultMetadata

public interface Metadata

Bean holding the metadata of one single metric.

The metadata contains:

• Name: (Required) The name of the metric.
• Description: (Optional) A human readable description of the metric.
• Unit: (Optional) The unit of the metric. The unit may be any unit specified as a String or one specified in MetricUnits.

Author:

hrupp, Raymond Lam, Jan Bernitt

Method Summary

Modifier and Type	Method and Description
static MetadataBuilder	builder() Returns a new builder
static MetadataBuilder	builder(Metadata metadata) Returns a new builder with the Metadata information
Optional<String>	description()
String	getDescription() Returns the description of the metric if set, otherwise this method returns the empty String.
String	getName() Returns the metric name.
String	getUnit() Returns the unit of this metric if set, otherwise this method returns MetricUnits.NONE
Optional<String>	unit()

Method Detail

getName

String getName()

Returns the metric name.

Returns:

the metric name.

getDescription

String getDescription()

Returns the description of the metric if set, otherwise this method returns the empty String.

Returns:

the description

description

Optional<String> description()

getUnit

String getUnit()

Returns the unit of this metric if set, otherwise this method returns MetricUnits.NONE

Returns:

the unit

unit

Optional<String> unit()

builder

static MetadataBuilder builder()

Returns a new builder

Returns:

a new MetadataBuilder instance

builder

static MetadataBuilder builder(Metadata metadata)

Returns a new builder with the Metadata information

Parameters:

metadata - the metadata

Returns:

a new MetadataBuilder instance with the Metadata values

Throws:

NullPointerException - when metadata is null