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StopWatch (JBoss/Common API) - JBoss 3.2.7 common API Documentation 英文版文档

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org.jboss.util
Class StopWatch

java.lang.Object
  org.jboss.util.StopWatch

All Implemented Interfaces:

Cloneable, Serializable

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public class StopWatch

extends Object

implements Serializable, Cloneable

Simulates a stop watch with a lap counter.

Version:

$Revision: 1.4 $

Author:

Jason Dillon

See Also:

Serialized Form

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Field Summary
protected  int	count           The lap count
protected  boolean	running           Is the watch started
protected  long	start           Start time
protected  long	stop           Stop time
protected  long	total           Total time

 

Constructor Summary

StopWatch()           Default constructor.

StopWatch(boolean running)           Construct a StopWatch.

 

Method Summary
Object	clone()           Return a cloned copy of this object.
long	getAverageLapTime()           Get the average lap time since the watch was started.
int	getLapCount()           Get the lap count.
long	getLapTime()           Get the elapsed lap time since the watch was started.
long	getTime()           Get the elapsed time since the watch was created or last reset.
boolean	isRunning()           Check if the watch is running.
static StopWatch	makeSynchronized(StopWatch watch)           Return a synchronized stop watch.
void	reset()           Reset the watch.
void	start()           Start the watch.
void	start(boolean reset)           Start the watch.
long	stop()           Stop the watch.
String	toString()           Return a string representation.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

total

protected long total

Total time

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start

protected long start

Start time

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stop

protected long stop

Stop time

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count

protected int count

The lap count

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running

protected boolean running

Is the watch started

Constructor Detail

StopWatch

public StopWatch()

Default constructor.

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StopWatch

public StopWatch(boolean running)

Construct a StopWatch.

Parameters:

running - Start the watch

Method Detail

start

public void start(boolean reset)

Start the watch.

Parameters:

reset - True to reset the watch prior to starting.

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start

public void start()

Start the watch.

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stop

public long stop()

Stop the watch.

Returns:

Elapsed time or 0 if the watch was never started.

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reset

public void reset()

Reset the watch.

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getLapCount

public int getLapCount()

Get the lap count.

Returns:

The lap count.

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getLapTime

public long getLapTime()

Get the elapsed lap time since the watch was started.

Returns:

Elapsed lap time or 0 if the watch was never started

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getAverageLapTime

public long getAverageLapTime()

Get the average lap time since the watch was started.

Returns:

Average lap time since the watch was started.

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getTime

public long getTime()

Get the elapsed time since the watch was created or last reset.

Returns:

Elapsed time or 0 if the watch was never started.

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isRunning

public boolean isRunning()

Check if the watch is running.

Returns:

True if the watch is running.

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toString

public String toString()

Return a string representation.

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clone

public Object clone()

Return a cloned copy of this object.

Returns:

A cloned copy of this object.

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makeSynchronized

public static StopWatch makeSynchronized(StopWatch watch)

Return a synchronized stop watch.

Parameters:

watch - StopWatch to synchronize.

Returns:

Synchronized stop watch.

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