com.github.rollingmetrics.util

Interface Ticker

All Known Implementing Classes:

DefaultTicker, MockTicker

public interface Ticker

The wrapper around time measurement which useful for unit testing purposes.

Method Summary

Modifier and Type	Method and Description
static Ticker	defaultTicker()
static Ticker	mock(AtomicLong currentTimeMillis)
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.

Method Detail

nanoTime

long nanoTime()

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

Returns:

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

stableMilliseconds

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.

Returns:

high-resolution time in milliseconds.

defaultTicker

static Ticker defaultTicker()

mock

static Ticker mock(AtomicLong currentTimeMillis)