Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.util.concurrent.TimeUnit;

public class Main {
    private static final long SLEEP_PRECISION = TimeUnit.MILLISECONDS.toNanos(2);
    private static final long SPIN_YIELD_PRECISION = TimeUnit.NANOSECONDS.toNanos(10000);

    public static void sleepNanos(long nanoDuration) throws InterruptedException {
        final long end = System.nanoTime() + nanoDuration;
        long timeLeft = nanoDuration;

        do {

            if (timeLeft > SLEEP_PRECISION) {
                Thread.sleep(1);
            } else if (timeLeft > SPIN_YIELD_PRECISION) {
                Thread.sleep(0);
            }

            timeLeft = end - System.nanoTime();

            if (Thread.interrupted())
                throw new InterruptedException();

        } while (timeLeft > 0);

    }

    public static void sleep(long millis) {
        if (millis > 0) {
            try {
                Thread.sleep(millis);
            } catch (InterruptedException e) {
                Thread.currentThread().interrupt();
            }
        }
    }

    public static void sleep(int milliseconds, int nanoseconds) {
        try {
            Thread.sleep(milliseconds, nanoseconds);
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
        }
    }
}