com.google.common.base

Class Ticker

java.lang.Object

com.google.common.base.Ticker

@Beta
 @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 and Description
protected	Ticker() Constructor for use by subclasses.

Method Summary

Modifier and Type	Method and 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

@CanIgnoreReturnValue
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