Package org.eclipse.jetty.util.statistic

Class CounterStatistic

java.lang.Object

org.eclipse.jetty.util.statistic.CounterStatistic

public class CounterStatistic
extends java.lang.Object

Statistics on a counter value.

This class keeps the total, current and maximum value of a counter that can be incremented and decremented. The total refers only to increments.

Constructor Summary

Constructors

Constructor	Description
CounterStatistic()

Method Summary

Modifier and Type	Method	Description
long	add(long delta)
long	decrement()	Decrements the value by one.
long	getCurrent()
long	getMax()
long	getTotal()
long	increment()	Increments the value by one.
void	reset()	Resets the max and total to the current value.
void	reset(long value)	Resets the max, total and current value to the given parameter.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

CounterStatistic

public CounterStatistic()

Method Detail

reset

public void reset()

Resets the max and total to the current value.

reset

public void reset(long value)

Resets the max, total and current value to the given parameter.

Parameters:

value - the new current value

add

public long add(long delta)

Parameters:

delta - the amount to add to the counter

Returns:

the new counter value

increment

public long increment()

Increments the value by one.

Returns:

the new counter value after the increment

decrement

public long decrement()

Decrements the value by one.

Returns:

the new counter value after the decrement

getMax

public long getMax()

Returns:

max counter value

getCurrent

public long getCurrent()

Returns:

current counter value

getTotal

public long getTotal()

Returns:

total counter value

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object