org.cesilko.rachota.core
Class Clock

java.lang.Object
  java.lang.Thread
      org.cesilko.rachota.core.Clock

All Implemented Interfaces:

java.lang.Runnable

public class Clock
extends java.lang.Thread

System clock ticking every second by default.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

java.lang.Thread.State, java.lang.Thread.UncaughtExceptionHandler

Field Summary

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Method Summary

void	addListener(ClockListener listener) Adds new clock listener.
static Clock	getDefault() Returns default instance of Clock object.
boolean	isTicking() Returns whether clock is ticking or not.
void	removeListener(ClockListener listener) Removes already registered clock listener.
void	resumeClock() Starts clock again.
void	run() Main clock loop.
void	setTick(long tick) Sets period of one clock tick.
void	suspendClock() Temporarily stops clock.

Methods inherited from class java.lang.Thread

activeCount, checkAccess, clone, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Method Detail

getDefault

public static Clock getDefault()

Returns default instance of Clock object. Tick period is initially set to 1000 ms.

Returns:

The only instance of clock in the system.

setTick

public void setTick(long tick)

Sets period of one clock tick.

Parameters:

tick - Clock period i.e. time between two notifications to listeners.

addListener

public void addListener(ClockListener listener)

Adds new clock listener.

Parameters:

listener - Object who whats to be notified after each tick.

removeListener

public void removeListener(ClockListener listener)

Removes already registered clock listener.

Parameters:

listener - Object who no longer whats to be notified after each tick.

run

public void run()

Main clock loop. Nothing happens for given tick period and then all listeners are notified about that fact.

Specified by:

run in interface java.lang.Runnable

Overrides:

run in class java.lang.Thread

suspendClock

public void suspendClock()

Temporarily stops clock.

resumeClock

public void resumeClock()

Starts clock again.

isTicking

public boolean isTicking()

Returns whether clock is ticking or not.

Returns:

True if clock is ticking or false otherwise.