org.apache.hadoop.metrics2.lib

类 MetricMutableFactory

java.lang.Object

org.apache.hadoop.metrics2.lib.MetricMutableFactory

public class MetricMutableFactory
extends Object

Factory class for mutable metrics

构造器概要

构造器

构造器和说明
MetricMutableFactory()

方法概要

方法

限定符和类型	方法和说明
MetricMutableCounterInt	newCounter(String name, String description, int initValue) Create a mutable integer counter
MetricMutableCounterLong	newCounter(String name, String description, long initValue) Create a mutable long integer counter
MetricMutableCounterInt	newCounterInt(String name) Create a mutable integer counter with name only.
MetricMutableCounterLong	newCounterLong(String name) Create a mutable long integer counter with a name Usually gets overridden.
MetricMutableGaugeInt	newGauge(String name, String description, int initValue) Create a mutable integer gauge
MetricMutableGaugeLong	newGauge(String name, String description, long initValue) Create a mutable long integer gauge
MetricMutableGaugeInt	newGaugeInt(String name) Create a mutable integer gauge with name only.
MetricMutableGaugeLong	newGaugeLong(String name) Create a mutable long integer gauge with name only.
MetricMutable	newMetric(String name) Create a new mutable metric by name Usually overridden by app specific factory
MetricMutableStat	newStat(String name) Create a mutable stat metric with name only.
MetricMutableStat	newStat(String name, String description, String sampleName, String valueName, boolean extended) Create a mutable stat metric

从类继承的方法 java.lang.Object

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

构造器详细资料

MetricMutableFactory

public MetricMutableFactory()

方法详细资料

newMetric

public MetricMutable newMetric(String name)

Create a new mutable metric by name Usually overridden by app specific factory

参数:

name - of the metric

返回:

a new metric object

newCounter

public MetricMutableCounterInt newCounter(String name,
                                 String description,
                                 int initValue)

Create a mutable integer counter

参数:

name - of the metric

description - of the metric

initValue - of the metric

返回:

a new metric object

newCounterInt

public MetricMutableCounterInt newCounterInt(String name)

Create a mutable integer counter with name only. Usually gets overridden.

参数:

name - of the metric

返回:

a new metric object

newCounter

public MetricMutableCounterLong newCounter(String name,
                                  String description,
                                  long initValue)

Create a mutable long integer counter

参数:

name - of the metric

description - of the metric

initValue - of the metric

返回:

a new metric object

newCounterLong

public MetricMutableCounterLong newCounterLong(String name)

Create a mutable long integer counter with a name Usually gets overridden.

参数:

name - of the metric

返回:

a new metric object

newGauge

public MetricMutableGaugeInt newGauge(String name,
                             String description,
                             int initValue)

Create a mutable integer gauge

参数:

name - of the metric

description - of the metric

initValue - of the metric

返回:

a new metric object

newGaugeInt

public MetricMutableGaugeInt newGaugeInt(String name)

Create a mutable integer gauge with name only. Usually gets overridden.

参数:

name - of the metric

返回:

a new metric object

newGauge

public MetricMutableGaugeLong newGauge(String name,
                              String description,
                              long initValue)

Create a mutable long integer gauge

参数:

name - of the metric

description - of the metric

initValue - of the metric

返回:

a new metric object

newGaugeLong

public MetricMutableGaugeLong newGaugeLong(String name)

Create a mutable long integer gauge with name only. Usually gets overridden.

参数:

name - of the metric

返回:

a new metric object

newStat

public MetricMutableStat newStat(String name,
                        String description,
                        String sampleName,
                        String valueName,
                        boolean extended)

Create a mutable stat metric

参数:

name - of the metric

description - of the metric

sampleName - of the metric (e.g., ops)

valueName - of the metric (e.g., time or latency)

extended - if true, produces extended stat (stdev, min/max etc.)

返回:

a new metric object

newStat

public MetricMutableStat newStat(String name)

Create a mutable stat metric with name only. Usually gets overridden.

参数:

name - of the metric

返回:

a new metric object