Package org.apache.beam.sdk.metrics

Class LabeledMetricNameUtils

java.lang.Object

org.apache.beam.sdk.metrics.LabeledMetricNameUtils

public class LabeledMetricNameUtils
extends Object

Util class for building/parsing labeled MetricName.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	LabeledMetricNameUtils.MetricNameBuilder	Builder class for a labeled MetricName.
static class	LabeledMetricNameUtils.ParsedMetricName

Constructor Summary

Constructors

Constructor	Description
LabeledMetricNameUtils()

Method Summary

Modifier and Type	Method	Description
static Optional<LabeledMetricNameUtils.ParsedMetricName>	parseMetricName(String metricName)	Parse a 'metric name' String that was created with 'MetricNameBuilder'.

Methods inherited from class java.lang.Object

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

Constructor Details

LabeledMetricNameUtils

public LabeledMetricNameUtils()

Method Details

parseMetricName

public static Optional<LabeledMetricNameUtils.ParsedMetricName> parseMetricName(String metricName)

Parse a 'metric name' String that was created with 'MetricNameBuilder'. The input string should be formatted as.

'{baseName}*{metricLabelKey1}:{metricLabelVal1};...{metricLabelKeyN}:{metricLabelValN};'

Parameters:

metricName -

Returns:

Returns a ParsedMetricName object if the input string is properly formatted. If the input string is empty or malformed, returns an empty value.