org.apache.slider.server.appmaster.management

Class RangeLimitedCounter

java.lang.Object

org.apache.slider.server.appmaster.management.RangeLimitedCounter

All Implemented Interfaces:

com.codahale.metrics.Counting, com.codahale.metrics.Metric

public class RangeLimitedCounter
extends Object
implements com.codahale.metrics.Metric, com.codahale.metrics.Counting

This is a counter whose range can be given a min and a max

Constructor Summary

Constructors

Constructor and Description
RangeLimitedCounter(long val, long min, long max) Instantiate

Method Summary

Methods

Modifier and Type	Method and Description
void	dec()
void	dec(int delta)
long	get()
long	getCount()
void	inc()
void	inc(int delta)
void	set(long val) Set to a new value.

Methods inherited from class java.lang.Object

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

Constructor Detail

RangeLimitedCounter

public RangeLimitedCounter(long val,
                   long min,
                   long max)

Instantiate

Parameters:

val - current value

min - minimum value

max - max value (or 0 for no max)

Method Detail

set

public void set(long val)

Set to a new value. If below the min, set to the minimum. If the max is non zero and the value is above that maximum, set it to the maximum instead.

Parameters:

val - value

inc

public void inc()

dec

public void dec()

inc

public void inc(int delta)

dec

public void dec(int delta)

get

public long get()

getCount

public long getCount()

Specified by:

getCount in interface com.codahale.metrics.Counting