net.vattp.security
Class Native

java.lang.Object
  |
  +--net.vattp.security.Native

class Native

extends Object

A class to hold all the miscellaneous system-dependent utilities Microcosm might need.

Author:

Walendo

Field Summary

private static boolean	isLinked
private static java.text.DecimalFormat	myDecimalFormat

Constructor Summary

(package private)

Native()

Method Summary

static long	deltaTimerMSec(long start)
static long	deltaTimerMSec(long start, long end)
static long	deltaTimerSec(long start)
static long	deltaTimerSec(long start, long end)
static long	deltaTimerUSec(long start)
static long	deltaTimerUSec(long start, long end)
private static int	flushWorkingSet() Set the working set of this process to 0.
static String	format(long time) Return a long in a preformatted way, suitable for sorting.
static String	formatNow() Return the time in a preformatted way, suitable for sorting.
private static Object	fromWeakCell(int weakcell)
static int	getPhysicalMemorySize()
private static int	getPhysicalMemorySizeNative()
private static void	initializeTimer() Initialize the high-res timer.
private static long	queryPerformanceCounter() Get the current value of the Pentium Performance counter.
private static long	queryTimer() Get the current value of the high-res timer in microseconds.
private static int	toWeakCell(Object obj)

Methods inherited from class java.lang.Object

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

Field Detail

isLinked

private static boolean isLinked

myDecimalFormat

private static final java.text.DecimalFormat myDecimalFormat

Constructor Detail

Native

Native()

Method Detail

deltaTimerMSec

public static long deltaTimerMSec(long start)

deltaTimerMSec

public static long deltaTimerMSec(long start,
                                  long end)

deltaTimerSec

public static long deltaTimerSec(long start)

deltaTimerSec

public static long deltaTimerSec(long start,
                                 long end)

deltaTimerUSec

public static long deltaTimerUSec(long start)

deltaTimerUSec

public static long deltaTimerUSec(long start,
                                  long end)

flushWorkingSet

private static int flushWorkingSet()

Set the working set of this process to 0. This causes the OS to reload pages as they're touched. Only for NT/95.

format

public static String format(long time)

Return a long in a preformatted way, suitable for sorting.

formatNow

public static String formatNow()

Return the time in a preformatted way, suitable for sorting.

fromWeakCell

private static Object fromWeakCell(int weakcell)

getPhysicalMemorySize

public static int getPhysicalMemorySize()

getPhysicalMemorySizeNative

private static int getPhysicalMemorySizeNative()

initializeTimer

private static void initializeTimer()

Initialize the high-res timer.

queryPerformanceCounter

private static long queryPerformanceCounter()

Get the current value of the Pentium Performance counter.

Returns:

the current value of the Pentium Performance counter.

queryTimer

private static long queryTimer()

Get the current value of the high-res timer in microseconds.

Returns:

the current value of the high-res timer in microseconds.

toWeakCell

private static int toWeakCell(Object obj)