context.arch.widget
Class OffsetThread

java.lang.Object
  java.lang.Thread
      context.arch.widget.OffsetThread

All Implemented Interfaces:

java.lang.Runnable

public class OffsetThread

extends java.lang.Thread

This class is responsible for retrieving and updating the offset between the local clock the component is running on and a "more accurate" global time clock

Field Summary

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

OffsetThread()
Empty constructor

OffsetThread(float seconds)
Constructor that updates the offset between the local and global clock at a frequency of "seconds" seconds.

Method Summary

protected long	getCurrentOffset() This method contacts an network time protocol (ntp) server and determines the offset between the local and global clock
void	run() The run method for the Thread.

Methods inherited from class java.lang.Thread

activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getContextClassLoader, getName, getPriority, getThreadGroup, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setName, setPriority, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Constructor Detail

OffsetThread

public OffsetThread()

Empty constructor

OffsetThread

public OffsetThread(float seconds)

Constructor that updates the offset between the local and global clock at a frequency of "seconds" seconds.

Parameters:

seconds - Number of seconds between updates

Method Detail

run

public void run()

The run method for the Thread.

getCurrentOffset

protected long getCurrentOffset()

This method contacts an network time protocol (ntp) server and determines the offset between the local and global clock

Returns:

offset in milliseconds between the local and global clock