com.croftsoft.core.util.loop
Class NanoTimeLoopGovernor

java.lang.Object
  com.croftsoft.core.util.loop.NanoTimeLoopGovernor

All Implemented Interfaces:

LoopGovernor

public final class NanoTimeLoopGovernor
extends Object
implements LoopGovernor

Uses System nanoTime() to measure time between calls.

Since:

2005-08-04

Version:

$Date: 2008/02/15 21:18:30 $

Author:

David Wallace Croft

Constructor Summary

NanoTimeLoopGovernor()
Initializes with a periodNanos of zero (maximum frequency).

NanoTimeLoopGovernor(double frequency)
Constructs a LoopGovernor with the specified target frequency.

Method Summary

void	govern() This method puts the Thread to sleep for a limited time.
static void	main(String[] args) Test method.
void	setFrequency(double frequency) If the frequency is set to Double.POSITIVE_INFINITY, periodNanos will be set to zero.
void	setPeriodNanos(long periodNanos)

Methods inherited from class java.lang.Object

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

Constructor Detail

NanoTimeLoopGovernor

public NanoTimeLoopGovernor(double frequency)

Constructs a LoopGovernor with the specified target frequency.

Parameters:

frequency - The targeted loop frequency in loops per second.

NanoTimeLoopGovernor

public NanoTimeLoopGovernor()

Initializes with a periodNanos of zero (maximum frequency).

Method Detail

main

public static void main(String[] args)
                 throws Exception

Test method.

Throws:

Exception

setFrequency

public void setFrequency(double frequency)

If the frequency is set to Double.POSITIVE_INFINITY, periodNanos will be set to zero.

setPeriodNanos

public void setPeriodNanos(long periodNanos)

govern

public void govern()
            throws InterruptedException

Description copied from interface: LoopGovernor

This method puts the Thread to sleep for a limited time.

Specified by:

govern in interface LoopGovernor

Throws:

InterruptedException