org.cip4.jdflib.util
Class CPUTimer

java.lang.Object
  org.cip4.jdflib.util.CPUTimer

public class CPUTimer
extends Object

class for cpu time measurements

Author:

Rainer Prosi, Heidelberger Druckmaschinen

Nested Class Summary

static class

CPUTimer.CPUTimerFactory

Constructor Summary

CPUTimer(boolean bStart)

Method Summary

void	add(CPUTimer timer) add a timer to this
long	getAverageCPUTime()
long	getAverageRealTime()
long	getCreationTime()
long	getCurrentCPUTime()
long	getCurrentRealTime()
static CPUTimer.CPUTimerFactory	getFactory()
String	getName()
long	getNumStarts()
String	getSingleSummary() get a summary for a single run
long	getTotalCPUTime() method to get the amount of cpu time since construction
long	getTotalRealTime() method to get the amount of real time since construction in milliseconds
void	pause() stop/pause measuring times - decrement the number of start/stop so that we don't recount the next start
void	println() simple print utility for lazy folks
void	setName(String name)
void	start() start measuring times
void	stop() stop/pause measuring times
String	toString()
KElement	toXML()

Methods inherited from class java.lang.Object

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

Constructor Detail

CPUTimer

public CPUTimer(boolean bStart)

Parameters:

bStart - if true, start measuring now

Method Detail

getName

public String getName()

Returns:

the name

add

public void add(CPUTimer timer)

add a timer to this

Parameters:

timer -

setName

public void setName(String name)

Parameters:

name - the name to set

getTotalCPUTime

public long getTotalCPUTime()

method to get the amount of cpu time since construction

Returns:

amount of cpu time in nano seconds

getCurrentCPUTime

public long getCurrentCPUTime()

Returns:

getCreationTime

public long getCreationTime()

Returns:

creation time in milliseconds (see System.currentTimeMillis());

getTotalRealTime

public long getTotalRealTime()

method to get the amount of real time since construction in milliseconds

Returns:

amount of real in milliseconds

getCurrentRealTime

public long getCurrentRealTime()

Returns:

the current realtime im milliseconds

start

public void start()

start measuring times

stop

public void stop()

stop/pause measuring times

pause

public void pause()

stop/pause measuring times - decrement the number of start/stop so that we don't recount the next start

getNumStarts

public long getNumStarts()

Returns:

getAverageRealTime

public long getAverageRealTime()

Returns:

getAverageCPUTime

public long getAverageCPUTime()

Returns:

toString

public String toString()

Overrides:

toString in class Object

Returns:

See Also:

Object.toString()

getSingleSummary

public String getSingleSummary()

get a summary for a single run

Returns:

toXML

public KElement toXML()

Returns:

the XML representation of this

getFactory

public static CPUTimer.CPUTimerFactory getFactory()

Returns:

the one and only CPUTimerFactory

println

public void println()

simple print utility for lazy folks