org.apache.giraph.metrics

Class ValueGauge<T extends Number>

java.lang.Object

com.yammer.metrics.core.Gauge<T>

org.apache.giraph.metrics.ValueGauge<T>

Type Parameters:

T - type of value being held.

All Implemented Interfaces:

com.yammer.metrics.core.Metric

Direct Known Subclasses:

GiraphTimer

public class ValueGauge<T extends Number>
extends com.yammer.metrics.core.Gauge<T>

A Gauge that holds a value.

Constructor Summary

Constructors

Constructor and Description
ValueGauge(GiraphMetricsRegistry registry, String name) Constructor that registers Gauge in MetricsRegistry.

Method Summary

Modifier and Type	Method and Description
double	getDouble() Get double representation of value held.
long	getLong() Get long representation of value held.
ValueGauge<T>	set(T value) Set value held by this object.
T	value()

Methods inherited from class com.yammer.metrics.core.Gauge

processWith

Methods inherited from class java.lang.Object

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

Constructor Detail

ValueGauge

public ValueGauge(GiraphMetricsRegistry registry,
                  String name)

Constructor that registers Gauge in MetricsRegistry.

Parameters:

registry - GiraphMetricsRegistry to use.

name - String name of Gauge.

Method Detail

value

public T value()

Specified by:

value in class com.yammer.metrics.core.Gauge<T extends Number>

getDouble

public double getDouble()

Get double representation of value held.

Returns:

double value

getLong

public long getLong()

Get long representation of value held.

Returns:

long value

set

public ValueGauge<T> set(T value)

Set value held by this object.

Parameters:

value - value to set.

Returns:

this