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	DO_NOTHING_AUTO_GAUGE
static DoNothingCounter	DO_NOTHING_COUNTER
static DoNothingGauge	DO_NOTHING_GAUGE
static DoNothingHistogram	DO_NOTHING_HISTOGRAM
static DoNothingRate	DO_NOTHING_RATE
static DoNothingTimer	DO_NOTHING_TIMER

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.ToDoubleFunction<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

DO_NOTHING_COUNTER

public static final DoNothingCounter DO_NOTHING_COUNTER

DO_NOTHING_HISTOGRAM

public static final DoNothingHistogram DO_NOTHING_HISTOGRAM

DO_NOTHING_AUTO_GAUGE

public static final DoNothingAutoGauge DO_NOTHING_AUTO_GAUGE

DO_NOTHING_GAUGE

public static final DoNothingGauge DO_NOTHING_GAUGE

DO_NOTHING_RATE

public static final DoNothingRate DO_NOTHING_RATE

DO_NOTHING_TIMER

public static final DoNothingTimer DO_NOTHING_TIMER

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.ToDoubleFunction<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 double 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