basic

Class Semaphor

java.lang.Object

basic.Semaphor

public class Semaphor
extends java.lang.Object

The Semaphore to lock or unlock a attribute.

Author:

HFW410

Field Summary

Fields

Modifier and Type	Field and Description
private java.lang.Integer	count The counter for the semaphore.

Constructor Summary

Constructors

Constructor and Description
Semaphor(java.lang.Integer count) The constructor for the semaphore.

Method Summary

Modifier and Type	Method and Description
void	down() lock the attribute.
void	up() unlock the attribute.

Methods inherited from class java.lang.Object

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

Field Detail

count

private java.lang.Integer count

The counter for the semaphore.

Constructor Detail

Semaphor

public Semaphor(java.lang.Integer count)

The constructor for the semaphore.

Parameters:

count - the counter for the semaphore.

Method Detail

up

public void up()

unlock the attribute.

down

public void down()
          throws java.lang.InterruptedException

lock the attribute.

Throws:

java.lang.InterruptedException - if it failed.