Package org.apache.druid.server.coordinator.stats

Class CoordinatorStat

java.lang.Object

org.apache.druid.server.coordinator.stats.CoordinatorStat

public class CoordinatorStat
extends Object

A coordinator statistic, which may or may not be emitted as a metric.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	CoordinatorStat.Level	Level of coordinator stat, typically used for logging.

Method Summary

Modifier and Type	Method	Description
CoordinatorStat.Level	getLevel()	Level of this stat, typically used for logging.
String	getMetricName()
String	getShortName()	Unique name used while logging this stat.
boolean	shouldEmit()	Whether this statistic should be emitted as a metric.
static CoordinatorStat	toDebugAndEmit(String shortName, String metricName)	Creates a new DEBUG level stat which is also emitted as a metric.
static CoordinatorStat	toDebugOnly(String shortName)	Creates a new DEBUG level stat which is not emitted as a metric.
static CoordinatorStat	toLogAndEmit(String shortName, String metricName, CoordinatorStat.Level level)	Creates a new stat of the specified level, which is also emitted as a metric.
String	toString()

Methods inherited from class java.lang.Object

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

Method Details

toDebugOnly

public static CoordinatorStat toDebugOnly(String shortName)

Creates a new DEBUG level stat which is not emitted as a metric.

Parameters:

shortName - Unique name used while logging the stat

toDebugAndEmit

public static CoordinatorStat toDebugAndEmit(String shortName,
 String metricName)

Creates a new DEBUG level stat which is also emitted as a metric.

Parameters:

shortName - Unique name used while logging the stat

metricName - Name to be used when emitting this stat as a metric

toLogAndEmit

public static CoordinatorStat toLogAndEmit(String shortName,
 String metricName,
 CoordinatorStat.Level level)

Creates a new stat of the specified level, which is also emitted as a metric.

Parameters:

shortName - Unique name used while logging the stat

metricName - Name to be used when emitting this stat as a metric

level - Logging level for this stat

getMetricName

public String getMetricName()

Returns:

Metric name to be used when emitting this stat. null if this stat should not be emitted.

getShortName

public String getShortName()

Unique name used while logging this stat.

getLevel

public CoordinatorStat.Level getLevel()

Level of this stat, typically used for logging.

shouldEmit

public boolean shouldEmit()

Whether this statistic should be emitted as a metric.

toString

public String toString()

Overrides:

toString in class Object