Ticker (Guava: Google Core Libraries for Java HEAD-jre-SNAPSHOT API)

java.lang.Object
- com.google.common.base.Ticker

```
@GwtCompatible
public abstract class Ticker
extends Object
```
A time source; returns a time value representing the number of nanoseconds elapsed since some fixed but arbitrary point in time. Note that most users should use Stopwatch instead of interacting with this class directly.
Warning: this interface can only be used to measure elapsed time, not wall time.

Since:

10.0 (mostly source-compatible since 9.0)

Author:

Kevin Bourrillion

Constructor Summary

Constructors
Modifier Constructor Description

protected Ticker()
Constructor for use by subclasses.

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`abstract long`	`read()`	Returns the number of nanoseconds elapsed since this ticker's fixed point of reference.
`static Ticker`	`systemTicker()`	A ticker that reads the current time using `System.nanoTime()`.

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

- Constructor Detail
  - Ticker
```
protected Ticker()
```
    Constructor for use by subclasses.
- Method Detail
  - read
```
public abstract long read()
```
    Returns the number of nanoseconds elapsed since this ticker's fixed point of reference.
  - systemTicker
```
public static Ticker systemTicker()
```
    A ticker that reads the current time using System.nanoTime().
    
    Since:
    
    10.0