org.apache.giraph.time

Class SystemTime

java.lang.Object

org.apache.giraph.time.SystemTime

All Implemented Interfaces:

Time

public class SystemTime
extends Object
implements Time

Implementation of Time that is thread-safe and should be used in production.

Field Summary

Fields inherited from interface org.apache.giraph.time.Time

MS_PER_DAY, MS_PER_HOUR, MS_PER_SECOND, MS_PER_SECOND_AS_FLOAT, NS_PER_MS, NS_PER_SECOND, NS_PER_SECOND_AS_FLOAT, NS_PER_US, SECONDS_PER_DAY, SECONDS_PER_HOUR, US_PER_MS, US_PER_SECOND, US_PER_SECOND_AS_FLOAT

Constructor Summary

Constructors

Constructor and Description
SystemTime()

Method Summary

Modifier and Type	Method and Description
static Time	get() Get an instance (shared) of this object
Date	getCurrentDate() Get the current date
long	getMicroseconds() Get the current microseconds
long	getMilliseconds() Get the current milliseconds
long	getNanoseconds() Get the current nanoseconds
int	getSeconds() Get the current seconds
void	sleep(long milliseconds) Current thread should sleep for some number of milliseconds.

Methods inherited from class java.lang.Object

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

Constructor Detail

SystemTime

public SystemTime()

Method Detail

getMilliseconds

public long getMilliseconds()

Description copied from interface: Time

Get the current milliseconds

Specified by:

getMilliseconds in interface Time

Returns:

The difference, measured in milliseconds, between the current time and midnight, January 1, 1970 UTC.

getMicroseconds

public long getMicroseconds()

Description copied from interface: Time

Get the current microseconds

Specified by:

getMicroseconds in interface Time

Returns:

The difference, measured in microseconds, between the current time and midnight, January 1, 1970 UTC.

getNanoseconds

public long getNanoseconds()

Description copied from interface: Time

Get the current nanoseconds

Specified by:

getNanoseconds in interface Time

Returns:

The difference, measured in nanoseconds, between the current time and midnight, January 1, 1970 UTC.

getSeconds

public int getSeconds()

Description copied from interface: Time

Get the current seconds

Specified by:

getSeconds in interface Time

Returns:

The difference, measured in seconds, between the current time and midnight, January 1, 1970 UTC.

getCurrentDate

public Date getCurrentDate()

Description copied from interface: Time

Get the current date

Specified by:

getCurrentDate in interface Time

Returns:

Current date

sleep

public void sleep(long milliseconds)
           throws InterruptedException

Description copied from interface: Time

Current thread should sleep for some number of milliseconds.

Specified by:

sleep in interface Time

Parameters:

milliseconds - Milliseconds to sleep for

Throws:

InterruptedException

get

public static Time get()

Get an instance (shared) of this object

Returns:

Instance of this object