Package org.apache.skywalking.oap.server.telemetry.prometheus

Class BaseMetrics<T extends io.prometheus.client.SimpleCollector,C>

java.lang.Object

org.apache.skywalking.oap.server.telemetry.prometheus.BaseMetrics<T,C>

Direct Known Subclasses:

PrometheusCounterMetrics, PrometheusGaugeMetrics

public abstract class BaseMetrics<T extends io.prometheus.client.SimpleCollector,C>
extends Object

BaseMetrics parent class represents the metrics

Field Summary

Fields

Modifier and Type	Field	Description
protected MetricsTag.Keys	labels
protected String	name
protected String	tips
protected MetricsTag.Values	values

Constructor Summary

Constructors

Constructor	Description
BaseMetrics(String name, String tips, MetricsTag.Keys labels, MetricsTag.Values values)

Method Summary

Modifier and Type	Method	Description
protected abstract T	create(String[] labelNames)
protected C	getMetric()	Create real prometheus metrics with SkyWalking native labels, and provide to all metrics implementation.
protected boolean	isIDReady()

Methods inherited from class java.lang.Object

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

Field Detail

name

protected final String name

tips

protected final String tips

labels

protected final MetricsTag.Keys labels

values

protected final MetricsTag.Values values

Constructor Detail

BaseMetrics

public BaseMetrics(String name,
                   String tips,
                   MetricsTag.Keys labels,
                   MetricsTag.Values values)

Method Detail

isIDReady

protected boolean isIDReady()

getMetric

protected C getMetric()

Create real prometheus metrics with SkyWalking native labels, and provide to all metrics implementation. Metrics name should be unique.

Returns:

metric reference if the service instance id has been initialized. Or NULL.

create

protected abstract T create(String[] labelNames)