atavism.server.util
Class TimeHistogram

java.lang.Object
  atavism.server.util.TimeHistogram

All Implemented Interfaces:

java.lang.Runnable

public class TimeHistogram
extends java.lang.Object
implements java.lang.Runnable

This class maintains a histogram of times, and is used to report queue delay times in the server.

Field Summary

protected int	bucketCount
protected java.lang.Long[]	defaultTimeBounds
protected java.lang.Integer[]	histogram
protected java.lang.String	name
protected int	pointCount
protected int	reportingInterval
protected java.lang.Boolean	running
protected java.lang.Long[]	timeBounds

Constructor Summary

TimeHistogram(java.lang.String name)

TimeHistogram(java.lang.String name, java.lang.Integer reportingInterval)

TimeHistogram(java.lang.String name, java.lang.Integer reportingInterval, java.lang.Long[] timeBounds)

Method Summary

void	addTime(long time)
protected java.lang.String	formatTime(long t)
protected java.lang.String	histogramString(int index)
protected void	report()
void	run()
protected void	start()
void	stop()

Methods inherited from class java.lang.Object

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

Field Detail

name

protected java.lang.String name

reportingInterval

protected int reportingInterval

running

protected java.lang.Boolean running

bucketCount

protected int bucketCount

pointCount

protected int pointCount

histogram

protected java.lang.Integer[] histogram

timeBounds

protected java.lang.Long[] timeBounds

defaultTimeBounds

protected java.lang.Long[] defaultTimeBounds

Constructor Detail

TimeHistogram

public TimeHistogram(java.lang.String name)

TimeHistogram

public TimeHistogram(java.lang.String name,
                     java.lang.Integer reportingInterval)

TimeHistogram

public TimeHistogram(java.lang.String name,
                     java.lang.Integer reportingInterval,
                     java.lang.Long[] timeBounds)

Method Detail

stop

public void stop()

addTime

public void addTime(long time)

start

protected void start()

run

public void run()

Specified by:

run in interface java.lang.Runnable

report

protected void report()

formatTime

protected java.lang.String formatTime(long t)

histogramString

protected java.lang.String histogramString(int index)