com.github.rollingmetrics.util

Class DefaultTicker

java.lang.Object

com.github.rollingmetrics.util.DefaultTicker

All Implemented Interfaces:

Ticker

public class DefaultTicker
extends Object
implements Ticker

Implementation of ticker which based on System.nanoTime(). The stableMilliseconds() method provides correct values at least for 192 years since creation.

Method Summary

Modifier and Type	Method and Description
static Ticker	getInstance()
long	nanoTime() Returns the current value of the running Java Virtual Machine's high-resolution time source, in nanoseconds.
long	stableMilliseconds() Returns the current value of the running Java Virtual Machine's high-resolution time source, in milliseconds with following characteristics: Value is not sensitive to any change of system time. Value is always positive. Value is not correlated to Date.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.github.rollingmetrics.util.Ticker

defaultTicker, mock

Method Detail

getInstance

public static Ticker getInstance()

Returns:

the cached instance of DefaultTicker

nanoTime

public long nanoTime()

Description copied from interface: Ticker

Returns the current value of the running Java Virtual Machine's high-resolution time source, in nanoseconds.

Specified by:

nanoTime in interface Ticker

Returns:

the current value of the running Java Virtual Machine's high-resolution time source, in nanoseconds

stableMilliseconds

public long stableMilliseconds()

Description copied from interface: Ticker

Returns the current value of the running Java Virtual Machine's high-resolution time source, in milliseconds with following characteristics:

• Value is not sensitive to any change of system time.
• Value is always positive.
• Value is not correlated to Date.

Specified by:

stableMilliseconds in interface Ticker

Returns:

high-resolution time in milliseconds.