ElapsedTime (WildFly: Server 28.0.0.Beta1 API)

java.lang.Object
- org.jboss.as.server.ElapsedTime

```
public final class ElapsedTime
extends Object
```
Tracks elapsed time since either JVM start or a moment of initialization. The start point for the calculation can be 'reset', allowing the calculation provided by an instance to account for a conceptual 'restart'.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`ElapsedTime`	`checkpoint()`	Create an ElapsedTime that tracks elapsed time from the current time, but whose starting point will automatically be `reset` if this object is reset.
`long`	`getElapsedTime()`	Get the elapsed time in milliseconds since this tracker's start point.
`long`	`getStartTime()`	Gets the tracker's start point.
`void`	`reset()`	Reset this tracker to begin tracking from the `JVM start time`.
`static ElapsedTime`	`startingFromJvmStart()`	Creates a tracker that tracks elapsed time since JVM start.
`static ElapsedTime`	`startingFromNow()`	Creates a tracker that tracks elapsed time since the invocation of this method.

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

- Method Detail
  - startingFromJvmStart
```
public static ElapsedTime startingFromJvmStart()
```
    Creates a tracker that tracks elapsed time since JVM start.
    
    Returns:
    
    the tracker. Will not return null.
  - startingFromNow
```
public static ElapsedTime startingFromNow()
```
    Creates a tracker that tracks elapsed time since the invocation of this method.
    
    Returns:
    
    the tracker. Will not return null.
  - getStartTime
```
public long getStartTime()
```
    Gets the tracker's start point.
    
    Returns:
    
    the start point for this tracker, in milliseconds since the epoch.
  - getElapsedTime
```
public long getElapsedTime()
```
    Get the elapsed time in milliseconds since this tracker's start point.
    
    Returns:
    
    the elapsed time
  - reset
```
public void reset()
```
    Reset this tracker to begin tracking from the JVM start time. Any ElapsedTime objects that were returned from this object's checkpoint() method will also be reset. Meant for cases where the 'origin' moment may have changed and this tracker should be updated accordingly -- for example, in a 'restored' JVM that supports some form of checkpoint and restore behavior.
  - checkpoint
```
public ElapsedTime checkpoint()
```
    Create an ElapsedTime that tracks elapsed time from the current time, but whose starting point will automatically be reset if this object is reset.