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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.concurrent;
import java.time.Duration;
/**
* An abstraction used for mocking {@link Thread#sleep(long)} in unit tests.
*
* @author bjorncs
*/
public interface Sleeper {
default void sleep(Duration duration) throws UncheckedInterruptedException {
uncheck(() -> sleepChecked(duration.toMillis()));
}
default void sleepChecked(Duration duration) throws InterruptedException { sleepChecked(duration.toMillis()); }
default void sleep(long millis) throws UncheckedInterruptedException { uncheck(() -> sleepChecked(millis)); }
void sleepChecked(long millis) throws InterruptedException;
Sleeper DEFAULT = new Default();
Sleeper NOOP = new Noop();
private void uncheck(InterruptingRunnable runnable) {
try {
runnable.run();
} catch (InterruptedException e) {
throw new UncheckedInterruptedException(e);
}
}
}
interface InterruptingRunnable { void run() throws InterruptedException; }
class Default implements Sleeper {
@Override public void sleepChecked(long millis) throws InterruptedException { Thread.sleep(millis); }
}
class Noop implements Sleeper {
@Override public void sleepChecked(long millis) {}
}
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