com.croftsoft.core.util.loop
Class WindowedLoopGovernor

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

All Implemented Interfaces:

LoopGovernor

public final class WindowedLoopGovernor
extends Object
implements LoopGovernor

Uses windowed averaging to estimate the target loop delay. The window size starts off small to grows to some maximum size. Any pause greater than one second will cause a window size reset.

Since:

2003-09-29

Version:

$Date: 2008/04/19 21:27:13 $

Author:

David Wallace Croft

Constructor Summary

WindowedLoopGovernor(double frequency)
Convenience constructor.

WindowedLoopGovernor(long periodNanos, int maxWindowSize, long resetTimeNanos)
Main constructor.

Method Summary

void	govern() This method puts the Thread to sleep for a limited time.
static void	main(String[] args)

Methods inherited from class java.lang.Object

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

Constructor Detail

WindowedLoopGovernor

public WindowedLoopGovernor(long periodNanos,
                            int maxWindowSize,
                            long resetTimeNanos)

Main constructor.

WindowedLoopGovernor

public WindowedLoopGovernor(double frequency)

Convenience constructor.

Parameters:

frequency - The targeted loop frequency in loops per second.

Method Detail

main

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

Throws:

Exception

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