org.apache.hadoop.metrics2.lib
Class MetricMutableGauge<T extends Number>
java.lang.Object
org.apache.hadoop.metrics2.lib.MetricMutable
org.apache.hadoop.metrics2.lib.MetricMutableGauge<T>
- Type Parameters:
T
- the type of the metric
- Direct Known Subclasses:
- MetricMutableGaugeInt, MetricMutableGaugeLong
public abstract class MetricMutableGauge<T extends Number>
- extends MetricMutable
The mutable gauge metric interface
Method Summary |
abstract void |
decr()
Decrement the value of the metric by 1 |
abstract void |
incr()
Increment the value of the metric by 1 |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
MetricMutableGauge
public MetricMutableGauge(String name,
String description)
- Construct the metric with name and description
- Parameters:
name
- of the metricdescription
- of the metric
incr
public abstract void incr()
- Increment the value of the metric by 1
decr
public abstract void decr()
- Decrement the value of the metric by 1
Copyright © 2009 The Apache Software Foundation