30 lines
649 B
Java
30 lines
649 B
Java
package org.gcube.application.framework.core.session;
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import java.util.concurrent.Semaphore;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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class Notifier {
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/** The logger. */
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private static final Logger logger = LoggerFactory.getLogger(Notifier.class);
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Semaphore sem;
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Notifier() {
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sem = new Semaphore(0, true);
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}
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public void waitNotification() throws InterruptedException
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{
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sem.acquire();
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}
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public void notifyAllWaiting() throws InterruptedException
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{
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logger.debug("Sending wake up signal to " + sem.getQueueLength() + " receivers...");
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sem.release(sem.getQueueLength());
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}
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}
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