fish.payara.microprofile.metrics.impl

Interface Clock

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface Clock

An abstraction for how time passes. It is passed to Timer to track timing.

Field Summary

Fields

Modifier and Type	Field and Description
static Clock	DEFAULT A clock implementation which returns the current time in epoch nanoseconds.
static Clock	THREAD_CPU_TIME A clock implementation which returns the current thread's CPU time.

Method Summary

Modifier and Type	Method and Description
static Clock	defaultClock() The default clock to use.
long	getTick() Returns the current time tick.
default long	getTime() Returns the current time in milliseconds.

Field Detail

DEFAULT

static final Clock DEFAULT

A clock implementation which returns the current time in epoch nanoseconds.

THREAD_CPU_TIME

static final Clock THREAD_CPU_TIME

A clock implementation which returns the current thread's CPU time.

Method Detail

getTick

long getTick()

Returns the current time tick.

Returns:

time tick in nanoseconds

getTime

default long getTime()

Returns the current time in milliseconds.

Returns:

time in milliseconds

defaultClock

static Clock defaultClock()

The default clock to use.

Returns:

the DEFAULT Clock instance