com.bluecatcode.common.concurrent.Sleep Maven / Gradle / Ivy
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package com.bluecatcode.common.concurrent;
import com.google.common.base.Optional;
import javax.annotation.WillCloseWhenClosed;
import javax.annotation.WillNotClose;
import java.util.concurrent.TimeUnit;
/**
* Specialised sleep methods
*
* @see TimeUnit
*/
public class Sleep {
private Sleep() {
throw new UnsupportedOperationException();
}
/**
* Interruptible sleep of the current thread
*
* Will interrupt the thread if InterruptedException occurs
*
* @param timeout with unit, the maximum length of time that callers are willing to wait
* @param unit with timeout, the maximum length of time that callers are willing to wait
*
* @see TimeUnit#sleep(long)
*/
@WillCloseWhenClosed
public static void sleepFor(long timeout, TimeUnit unit) {
try {
unit.sleep(timeout);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
}
/**
* Uninterruptible sleep of the current thread
*
* WARNING: you must propagate the exception or interrupt the current thread
*
* @param timeout with unit, the maximum length of time that callers are willing to wait
* @param unit with timeout, the maximum length of time that callers are willing to wait
* @return true if was interrupted or false if not
*
* @see TimeUnit#sleep(long)
*/
@WillNotClose
public static Optional uninterruptibleSleepFor(long timeout, TimeUnit unit) {
try {
unit.sleep(timeout);
return Optional.absent();
} catch (InterruptedException e) {
return Optional.of(e);
}
}
}