io.warp10.continuum

Class TimeSource

java.lang.Object

io.warp10.continuum.TimeSource

public class TimeSource
extends java.lang.Object

The role of this class is to implement a time source with the required precision for the platform instance.

It can return times up to ns precision.

WARNING: This code can only run for up to 292 years without reset. Passed that delay it will return incoherent values due to System.nanoTime() overflowing.

Constructor Summary

Constructors

Constructor and Description
TimeSource()

Method Summary

Modifier and Type	Method and Description
static long	currentTimeMillisToNanoTime(long timeMillis) Return nanoTime from absolute time in millisecond.
static long	getNanoTime() Return the current time in nanoseconds
static long	getTime() Return the current time in the platform's native time units.

Methods inherited from class java.lang.Object

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

Constructor Detail

TimeSource

public TimeSource()

Method Detail

getTime

public static long getTime()

Return the current time in the platform's native time units.

getNanoTime

public static long getNanoTime()

Return the current time in nanoseconds

currentTimeMillisToNanoTime

public static long currentTimeMillisToNanoTime(long timeMillis)

Return nanoTime from absolute time in millisecond. Beware that nanoTime freeze while system is asleep.

Parameters:

timeMillis - time in millisecond from 1/1/1970.

Returns:

time in jvm nanoTime.