Package com.complexible.common.util.concurrent

Class SystemClock

java.lang.Object

com.complexible.common.util.concurrent.SystemClock

All Implemented Interfaces:

Clock

public class SystemClock
extends Object
implements Clock

Since:

4.3

Author:

Scott Fines

Field Summary

Fields

Modifier and Type	Field	Description
static final Clock	INSTANCE

Method Summary

Modifier and Type	Method	Description
long	currentTimeMillis()
long	currentTimeNanos()
long	sleep(long time, TimeUnit unit)	Put the current thread to sleep for the time specified.

Methods inherited from class java.lang.Object

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

Field Details

INSTANCE

public static final Clock INSTANCE

Method Details

currentTimeMillis

public long currentTimeMillis()

Specified by:

currentTimeMillis in interface Clock

currentTimeNanos

public long currentTimeNanos()

Specified by:

currentTimeNanos in interface Clock

sleep

public long sleep(long time,
 TimeUnit unit)
           throws InterruptedException

Description copied from interface: Clock

Put the current thread to sleep for the time specified. Note that this may return before the time specified has expired (i.e. the thread may wake spuriously). This is why we return how much time is remaining, in the units specified.

Specified by:

sleep in interface Clock

Parameters:

time - the amount of time to sleep for.

unit - the unit time is measured in.

Returns:

the amount of time left in the wait period (i.e. time-timeSlept).

Throws:

InterruptedException - if the thread is interrupted during sleep.