gov.va.med.lom.javaBroker.util

Class Semaphore

java.lang.Object

gov.va.med.lom.javaBroker.util.Semaphore

public class Semaphore
extends java.lang.Object

Semaphore is a straightforward implementation of the well-known synchronization primitive. Its counter can be initialized to any nonnegative value -- by default, it is zero.

Constructor Summary

Constructors

Constructor and Description
Semaphore()
Semaphore(int i)

Method Summary

Methods

Modifier and Type	Method and Description
void	acquire() Decrements internal counter, blocking if the counter is already zero.
void	release() Increments internal counter, possibly awakening a thread wait()ing in acquire().

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Semaphore

public Semaphore()

Semaphore

public Semaphore(int i)

Method Detail

release

public void release()

Increments internal counter, possibly awakening a thread wait()ing in acquire().

acquire

public void acquire()
             throws java.lang.InterruptedException

Decrements internal counter, blocking if the counter is already zero.

Throws:

java.lang.InterruptedException - passed from this.wait().