oracle.ifs.utils.common

Class Timer

java.lang.Object

oracle.ifs.utils.common.Timer

public class Timer
extends Object

A Timer invokes the actionPerformed method of a registered ActionListener at a specified periodic interval. Note: the actionPerformed method is invoked with a null ActionEvent.

Author:

David Pitfield, Luis Saenz

Constructor Summary

Constructors

Constructor and Description
Timer(String name, long delay, ActionListener listener) Creates a new Timer.

Method Summary

Modifier and Type	Method and Description
void	addActionListener(ActionListener listener) Adds an ActionListener to invoke at timer expirations.
long	clearReset() Gets the time of the last reset, then clears the indication of the reset.
Date	getLastActivation() Returns the time of the last timer expiration.
Date	getNextActivation() Returns the time of the next timer expiration.
void	removeActionListener(ActionListener listener) Removes the given ActionListener so that it will no longer be invoked.
void	reset() Resets this Timer.
void	start() Starts this Timer immediately.
void	start(long initialDelay) Starts this Timer with an initial delay.
void	stop() Stops this Timer.

Methods inherited from class java.lang.Object

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

Constructor Detail

Timer

public Timer(String name,
             long delay,
             ActionListener listener)

Creates a new Timer.

Parameters:

name - the name for this Timer's daemon thread.

delay - the delay between successive timer expirations, in ms.

listener - the ActionListener to invoke at timer expirations.

Method Detail

addActionListener

public void addActionListener(ActionListener listener)

Adds an ActionListener to invoke at timer expirations.

Parameters:

listener - the ActionListener to add.

removeActionListener

public void removeActionListener(ActionListener listener)

Removes the given ActionListener so that it will no longer be invoked.

Parameters:

listener - the ActionListener to remove.

start

public void start()

Starts this Timer immediately.

start

public void start(long initialDelay)

Starts this Timer with an initial delay.

Parameters:

initialDelay - the delay before first timer expiration, in ms.

stop

public void stop()

Stops this Timer.

reset

public void reset()

Resets this Timer.

clearReset

public long clearReset()

Gets the time of the last reset, then clears the indication of the reset.

Returns:

the time the last reset was issued, or 0L if the timer was not reset.

getLastActivation

public Date getLastActivation()

Returns the time of the last timer expiration.

Returns:

the last activation time.

getNextActivation

public Date getNextActivation()

Returns the time of the next timer expiration.

Returns:

the next activation time.