java.lang.Object
- com.fizzed.crux.util.StopWatch

```
public class StopWatch
extends java.lang.Object
```
Lightweight timing for a little bit of anything. Uses System.nanoTime() under-the-hood for highly precise measurements. NOTE: nothing is synchronized and should ideally only be used within a single thread.

Author:

joelauer

Constructor Summary

Constructors
Constructor	Description
`StopWatch()`	Creates a stopwatch with a default time unit of milliseconds.
`StopWatch(java.util.concurrent.TimeUnit tu)`	Creates a stopwatch with the specified time unit.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`double`	`elapsed()`	Returns the elapsed time based on the time unit of this stopwatch.
`double`	`elapsed(java.util.concurrent.TimeUnit tu)`	Returns the elapsed time for the specified time unit.
`double`	`elapsedDays()`	Returns the total time elapsed in days.
`double`	`elapsedHours()`	Returns the total time elapsed in hours.
`double`	`elapsedMicros()`	Returns the total time elapsed in microseconds.
`double`	`elapsedMillis()`	Returns the total time elapsed in milliseconds.
`double`	`elapsedMinutes()`	Returns the total time elapsed in minutes.
`long`	`elapsedNanos()`
`double`	`elapsedSeconds()`	Returns the total time elapsed in seconds.
`boolean`	`eq(double duration)`
`boolean`	`gt(double duration)`
`boolean`	`gte(double duration)`
`boolean`	`isRunning()`	If still running (not stopped yet)
`boolean`	`isStopped()`
`boolean`	`lt(double duration)`
`boolean`	`lte(double duration)`
`StopWatch`	`stop()`
`static StopWatch`	`time(java.util.concurrent.TimeUnit tu)`
`static StopWatch`	`time(java.util.concurrent.TimeUnit tu, java.lang.Runnable runnable)`
`static StopWatch`	`timeMillis()`
`static StopWatch`	`timeMillis(java.lang.Runnable runnable)`
`static StopWatch`	`timeNanos()`
`static StopWatch`	`timeNanos(java.lang.Runnable runnable)`
`static StopWatch`	`timeSeconds()`
`static StopWatch`	`timeSeconds(java.lang.Runnable runnable)`
`java.lang.String`	`toString()`	Returns the current elapsed time in a format determined by the default time unit of this instance.
`java.lang.String`	`toString(java.util.concurrent.TimeUnit tu)`	Returns the number of seconds this Stopwatch has elapsed

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - StopWatch
```
public StopWatch()
```
    Creates a stopwatch with a default time unit of milliseconds.
  - StopWatch
```
public StopWatch(java.util.concurrent.TimeUnit tu)
```
    Creates a stopwatch with the specified time unit.
    
    Parameters:
    
    tu - The time unit for formatting and comparison
- Method Detail
  - isRunning
```
public boolean isRunning()
```
    If still running (not stopped yet)
    
    Returns:
    
    True if running or false if stopped
  - isStopped
```
public boolean isStopped()
```
  - stop
```
public StopWatch stop()
```
  - timeMillis
```
public static StopWatch timeMillis()
```
  - timeMillis
```
public static StopWatch timeMillis(java.lang.Runnable runnable)
```
  - timeNanos
```
public static StopWatch timeNanos()
```
  - timeNanos
```
public static StopWatch timeNanos(java.lang.Runnable runnable)
```
  - timeSeconds
```
public static StopWatch timeSeconds()
```
  - timeSeconds
```
public static StopWatch timeSeconds(java.lang.Runnable runnable)
```
  - time
```
public static StopWatch time(java.util.concurrent.TimeUnit tu)
```
  - time
```
public static StopWatch time(java.util.concurrent.TimeUnit tu,
                             java.lang.Runnable runnable)
```
  - elapsed
```
public double elapsed()
```
    Returns the elapsed time based on the time unit of this stopwatch.
    
    Returns:
    
    The elapsed time
  - elapsed
```
public double elapsed(java.util.concurrent.TimeUnit tu)
```
    Returns the elapsed time for the specified time unit.
    
    Parameters:
    
    tu - The time unit
    
    Returns:
    
    The elapsed time
  - eq
```
public boolean eq(double duration)
```
  - gt
```
public boolean gt(double duration)
```
  - gte
```
public boolean gte(double duration)
```
  - lt
```
public boolean lt(double duration)
```
  - lte
```
public boolean lte(double duration)
```
  - elapsedNanos
```
public long elapsedNanos()
```
  - elapsedMicros
```
public double elapsedMicros()
```
    Returns the total time elapsed in microseconds. If the timer is still running then this is based on current time.
    
    Returns:
    
    The total elapsed time in microseconds (mu)
  - elapsedMillis
```
public double elapsedMillis()
```
    Returns the total time elapsed in milliseconds. If the timer is still running then this is based on current time.
    
    Returns:
    
    The total elapsed time in milliseconds (ms)
  - elapsedSeconds
```
public double elapsedSeconds()
```
    Returns the total time elapsed in seconds. If the timer is still running then this is based on current time.
    
    Returns:
    
    The total elapsed time in seconds (s)
  - elapsedMinutes
```
public double elapsedMinutes()
```
    Returns the total time elapsed in minutes. If the timer is still running then this is based on current time.
    
    Returns:
    
    The total elapsed time in minutes (m)
  - elapsedHours
```
public double elapsedHours()
```
    Returns the total time elapsed in hours. If the timer is still running then this is based on current time.
    
    Returns:
    
    The total elapsed time in hours (h)
  - elapsedDays
```
public double elapsedDays()
```
    Returns the total time elapsed in days. If the timer is still running then this is based on current time.
    
    Returns:
    
    The total elapsed time in days (d)
  - toString
```
public java.lang.String toString()
```
    Returns the current elapsed time in a format determined by the default time unit of this instance.
    
    Overrides:
    
    toString in class java.lang.Object
    
    Returns:
    
    A string of the current elapsed time such as "10.1 ms" or "0.12 s"
  - toString
```
public java.lang.String toString(java.util.concurrent.TimeUnit tu)
```
    Returns the number of seconds this Stopwatch has elapsed
    
    Returns:
    
    The String of the number of seconds

Class StopWatch

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

StopWatch

StopWatch

Method Detail

isRunning

isStopped

stop

timeMillis

timeMillis

timeNanos

timeNanos

timeSeconds

timeSeconds

time

time

elapsed

elapsed

eq

gt

gte

lt

lte

elapsedNanos

elapsedMicros

elapsedMillis

elapsedSeconds

elapsedMinutes

elapsedHours

elapsedDays

toString

toString