io.opentracing.contrib.metrics.prometheus

Class PrometheusMetricsReporter

java.lang.Object

io.opentracing.contrib.metrics.AbstractMetricsReporter

io.opentracing.contrib.metrics.prometheus.PrometheusMetricsReporter

All Implemented Interfaces:

MetricsReporter

public class PrometheusMetricsReporter
extends AbstractMetricsReporter
implements MetricsReporter

This class provides a Prometheus based implementation of the MetricsReporter.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	PrometheusMetricsReporter.Builder This builder class is responsible for creating an instance of the Prometheus metrics reporter.

Field Summary

Fields inherited from class io.opentracing.contrib.metrics.AbstractMetricsReporter

metricLabels, STANDARD_SPAN_LABELS

Method Summary

Modifier and Type	Method and Description
protected static String	convertLabel(String label) This method transforms the supplied label name to ensure it conforms to the required Prometheus label format as defined by the regex "[a-zA-Z_:][a-zA-Z0-9_:]*".
protected String[]	getLabelNames()
static PrometheusMetricsReporter.Builder	newMetricsReporter()
void	reportSpan(io.opentracing.contrib.api.SpanData spanData)

Methods inherited from class io.opentracing.contrib.metrics.AbstractMetricsReporter

getLabelValues

Methods inherited from class java.lang.Object

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

Method Detail

reportSpan

public void reportSpan(io.opentracing.contrib.api.SpanData spanData)

Specified by:

reportSpan in interface MetricsReporter

convertLabel

protected static String convertLabel(String label)

This method transforms the supplied label name to ensure it conforms to the required Prometheus label format as defined by the regex "[a-zA-Z_:][a-zA-Z0-9_:]*".

Parameters:

label - The label

Returns:

The converted label

getLabelNames

protected String[] getLabelNames()

newMetricsReporter

public static PrometheusMetricsReporter.Builder newMetricsReporter()