biz.onixs.util

Class PrecisionTimer

java.lang.Object

biz.onixs.util.PrecisionTimer

public class PrecisionTimer
extends Object

PrecisionTimer for measuring small time periods to estimate performance.

Constructor Summary

Constructors

Constructor and Description
PrecisionTimer()

Method Summary

Modifier and Type	Method and Description
long	getAvgIntervalMilliSeconds()
long	getAvgIntervalNanoSeconds()
long	getAvgIntervalSeconds()
long	getElapsedMilliSeconds() Returns the elapsed time in milliseconds.
long	getElapsedNanoSeconds() Returns the elapsed time in nanoseconds.
long	getElapsedSeconds() Returns the elapsed time in seconds.
double	getItemsPerSecond(long nItems)
long	getLastIntervalMilliSeconds()
long	getLastIntervalNanoSeconds()
long	getLastIntervalSeconds()
long	getMaxIntervalMilliSeconds()
long	getMaxIntervalNanoSeconds()
long	getMaxIntervalSeconds()
double	getMicroSecondsPerItem(long nItems)
static double	getMicroSecondsPerItem(long elapsed, long nItems)
double	getMilliSecondsPerItem(long nItems)
static double	getMilliSecondsPerItem(long elapsed, long nItems)
double	getNanoSecondsPerItem(long nItems)
static double	getNanoSecondsPerItem(long elapsed, long nItems)
double	getSecondsPerItem(long nItems)
static double	getSecondsPerItem(long elapsed, long nItems)
void	reset()
long	start()
long	start(long startTime)
long	stop()
String	toString()
long	update()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

PrecisionTimer

public PrecisionTimer()

Method Detail

start

public long start()

start

public long start(long startTime)

update

public long update()

stop

public long stop()

reset

public void reset()

getAvgIntervalNanoSeconds

public long getAvgIntervalNanoSeconds()

getAvgIntervalMilliSeconds

public long getAvgIntervalMilliSeconds()

getAvgIntervalSeconds

public long getAvgIntervalSeconds()

getMaxIntervalNanoSeconds

public long getMaxIntervalNanoSeconds()

getMaxIntervalMilliSeconds

public long getMaxIntervalMilliSeconds()

getMaxIntervalSeconds

public long getMaxIntervalSeconds()

getLastIntervalNanoSeconds

public long getLastIntervalNanoSeconds()

getLastIntervalMilliSeconds

public long getLastIntervalMilliSeconds()

getLastIntervalSeconds

public long getLastIntervalSeconds()

getElapsedNanoSeconds

public long getElapsedNanoSeconds()

Returns the elapsed time in nanoseconds.

Returns:

the elapsed time (in nanoseconds).

getElapsedMilliSeconds

public long getElapsedMilliSeconds()

Returns the elapsed time in milliseconds.

Returns:

the elapsed time (in milliseconds).

getElapsedSeconds

public long getElapsedSeconds()

Returns the elapsed time in seconds.

Returns:

the elapsed time (in seconds).

getItemsPerSecond

public double getItemsPerSecond(long nItems)

getNanoSecondsPerItem

public double getNanoSecondsPerItem(long nItems)

getMicroSecondsPerItem

public double getMicroSecondsPerItem(long nItems)

getMilliSecondsPerItem

public double getMilliSecondsPerItem(long nItems)

getSecondsPerItem

public double getSecondsPerItem(long nItems)

getNanoSecondsPerItem

public static double getNanoSecondsPerItem(long elapsed,
                                           long nItems)

getMicroSecondsPerItem

public static double getMicroSecondsPerItem(long elapsed,
                                            long nItems)

getMilliSecondsPerItem

public static double getMilliSecondsPerItem(long elapsed,
                                            long nItems)

getSecondsPerItem

public static double getSecondsPerItem(long elapsed,
                                       long nItems)

toString

public String toString()

Overrides:

toString in class Object