Package org.apache.iotdb.metrics.impl

Class DoNothingMetricManager

java.lang.Object

org.apache.iotdb.metrics.AbstractMetricManager

org.apache.iotdb.metrics.impl.DoNothingMetricManager

public class DoNothingMetricManager
extends AbstractMetricManager

Field Summary

Fields

Modifier and Type	Field	Description
static DoNothingAutoGauge	doNothingAutoGauge
static DoNothingCounter	doNothingCounter
static DoNothingGauge	doNothingGauge
static DoNothingHistogram	doNothingHistogram
static DoNothingRate	doNothingRate
static DoNothingTimer	doNothingTimer

Fields inherited from class org.apache.iotdb.metrics.AbstractMetricManager

METRIC_CONFIG, metrics, nameToMetaInfo

Constructor Summary

Constructors

Constructor	Description
DoNothingMetricManager()

Method Summary

Modifier and Type	Method	Description
<T> AutoGauge	createAutoGauge(MetricInfo metricInfo, T obj, java.util.function.ToLongFunction<T> mapper)	Create autoGauge according to metric framework
Counter	createCounter(MetricInfo metricInfo)
Gauge	createGauge(MetricInfo metricInfo)	Create gauge according to metric framework
Histogram	createHistogram(MetricInfo metricInfo)	Create histogram according to metric framework
Rate	createRate(MetricInfo metricInfo)	Create rate according to metric framework
Timer	createTimer(MetricInfo metricInfo)	Create timer according to metric framework
boolean	isEnableMetricInGivenLevel(MetricLevel metricLevel)	Is metric service enabled in specific level
protected void	removeMetric(MetricType type, MetricInfo metricInfo)
protected boolean	stopFramework()

Methods inherited from class org.apache.iotdb.metrics.AbstractMetricManager

count, createAutoGauge, equals, gauge, getAllMetricKeys, getAllMetrics, getAutoGauge, getMetricsByType, getOrCreateCounter, getOrCreateGauge, getOrCreateHistogram, getOrCreateRate, getOrCreateTimer, hashCode, histogram, rate, remove, stop, timer

Methods inherited from class java.lang.Object

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

Field Detail

doNothingCounter

public static final DoNothingCounter doNothingCounter

doNothingHistogram

public static final DoNothingHistogram doNothingHistogram

doNothingAutoGauge

public static final DoNothingAutoGauge doNothingAutoGauge

doNothingGauge

public static final DoNothingGauge doNothingGauge

doNothingRate

public static final DoNothingRate doNothingRate

doNothingTimer

public static final DoNothingTimer doNothingTimer

Constructor Detail

DoNothingMetricManager

public DoNothingMetricManager()

Method Detail

createCounter

public Counter createCounter(MetricInfo metricInfo)

Specified by:

createCounter in class AbstractMetricManager

createAutoGauge

public <T> AutoGauge createAutoGauge(MetricInfo metricInfo,
                                     T obj,
                                     java.util.function.ToLongFunction<T> mapper)

Description copied from class: AbstractMetricManager

Create autoGauge according to metric framework

Specified by:

createAutoGauge in class AbstractMetricManager

Parameters:

metricInfo - the metricInfo of autoGauge

obj - which will be monitored automatically

mapper - use which to map the obj to a long value

createGauge

public Gauge createGauge(MetricInfo metricInfo)

Description copied from class: AbstractMetricManager

Create gauge according to metric framework

Specified by:

createGauge in class AbstractMetricManager

Parameters:

metricInfo - the metricInfo of gauge

createHistogram

public Histogram createHistogram(MetricInfo metricInfo)

Description copied from class: AbstractMetricManager

Create histogram according to metric framework

Specified by:

createHistogram in class AbstractMetricManager

Parameters:

metricInfo - the metricInfo of metric

createRate

public Rate createRate(MetricInfo metricInfo)

Description copied from class: AbstractMetricManager

Create rate according to metric framework

Specified by:

createRate in class AbstractMetricManager

Parameters:

metricInfo - the metricInfo of rate

createTimer

public Timer createTimer(MetricInfo metricInfo)

Description copied from class: AbstractMetricManager

Create timer according to metric framework

Specified by:

createTimer in class AbstractMetricManager

Parameters:

metricInfo - the metricInfo of metric

isEnableMetricInGivenLevel

public boolean isEnableMetricInGivenLevel(MetricLevel metricLevel)

Description copied from class: AbstractMetricManager

Is metric service enabled in specific level

Overrides:

isEnableMetricInGivenLevel in class AbstractMetricManager

removeMetric

protected void removeMetric(MetricType type,
                            MetricInfo metricInfo)

Specified by:

removeMetric in class AbstractMetricManager

stopFramework

protected boolean stopFramework()

Specified by:

stopFramework in class AbstractMetricManager