la.util

Class Timer

java.lang.Object

la.util.Timer

public class Timer
extends java.lang.Object

A simple timer that can start(), stop() (i.e., pause), and (re-)start().

Constructor Summary

Constructors

Constructor and Description
Timer() Anonymous, not running (timing).
Timer(boolean running) Anonymous, running as specified.
Timer(java.lang.String id) Named, not running (timing).
Timer(java.lang.String id, boolean running) Named, running as specified.

Method Summary

Modifier and Type	Method and Description
void	error(java.lang.String msg) Throw a RuntimeException.
long	lastTime() Time since the last start() in milliseconds to the subsequent stop(), if any, otherwise to 'now'.
long	markTime() stop(), lastTime() (is returned), start().
long	meanTime() Mean time in milliseconds of all periods of 'running'.
void	start() Start the clock.
void	stop() Stop (pause) 'this' running Timer and add the time since its last start() to its total.
java.lang.String	toString()
long	totalTime() Total time in milliseconds between all start() - stop() pairs, plus current elapsed if started and not yet stopped.

Methods inherited from class java.lang.Object

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

Constructor Detail

Timer

public Timer()

Anonymous, not running (timing).

Timer

public Timer(java.lang.String id)

Named, not running (timing).

Timer

public Timer(boolean running)

Anonymous, running as specified.

Timer

public Timer(java.lang.String id,
             boolean running)

Named, running as specified.

Method Detail

start

public void start()

Start the clock. If the Timer was already running, do a stop() first.

stop

public void stop()

Stop (pause) 'this' running Timer and add the time since its last start() to its total.

markTime

public long markTime()

stop(), lastTime() (is returned), start().

lastTime

public long lastTime()

Time since the last start() in milliseconds to the subsequent stop(), if any, otherwise to 'now'. Note, it does not do a stop(). Also see markTime().

totalTime

public long totalTime()

Total time in milliseconds between all start() - stop() pairs, plus current elapsed if started and not yet stopped. Note, it does not do a 'stop().'

meanTime

public long meanTime()

Mean time in milliseconds of all periods of 'running'. Note, it does not do a 'stop().'

error

public void error(java.lang.String msg)

Throw a RuntimeException. The exception includes this.toString() and 'msg'.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object