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view src/goodjava/lucene/logging/SemaphoreLock.java @ 1996:d5c21ca9703e default tip
move threads to admin
author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Fri, 04 Jul 2025 11:39:41 -0600 |
parents | 634f6765830e |
children |
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package goodjava.lucene.logging; import java.util.concurrent.Semaphore; import java.util.concurrent.TimeUnit; public final class SemaphoreLock { private final Semaphore semaphore = new Semaphore(1); public void unlock() { semaphore.release(); } public boolean isLocked() { return semaphore.availablePermits() == 0; } public boolean tryLock(long time,TimeUnit unit) throws InterruptedException { return semaphore.tryAcquire(time,unit); } }