Helfer AbstractLock

Jan Burse, erstellt 15. Sep 2018
package matula.util.misc;
/**
* <p>This class provides an abstract lock.</p>
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* <p/>
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* <p/>
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*/
public abstract class AbstractLock {
/**
* <p>Acquire the lock.</p>
* <p>Blocks if lock is already held.</p>
*
* @throws InterruptedException If the request was cancelled.
*/
public abstract void acquire()
throws InterruptedException;
/**
* <p>Attempt the lock.</p>
* <p>Fails if lock is already held.</p>
*
* @return True if lock was acquired, or false otherwise.
*/
public abstract boolean attempt();
/**
* <p>Acquire the lock or time-out.</p>
*
* @param sleep The time-out.
* @return True if lock was acquired, or false otherwise.
* @throws InterruptedException If the request was cancelled.
*/
public abstract boolean attempt(long sleep)
throws InterruptedException;
/**
* <p>Release the lock.</p>
*/
public abstract void release();
}

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