jclass
Class SimpleBarrier

java.lang.Object
  |
  +--jclass.SimpleBarrier

public class SimpleBarrier

extends java.lang.Object

A barrier. It is a class that is used by parallel running threads to sync each other. It has a method that, when called, stops any thread that calls it until a certain number of calls do occur, then every thread goes on.

Written: Radu Sion
Version: 0.11
Source: SimpleBarrier.java

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Constructor Summary

SimpleBarrier(int N)
Creates a new SimpleBarrier.

Method Summary

void	enter() Enqueues the current thread at this barrier, waiting for all the others to join, that is waiting until N (see constructor) threads reached enter().

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleBarrier

public SimpleBarrier(int N)

Creates a new SimpleBarrier. N represents the number of simultaneous threads that must call the .enter() method BEFORE the enter() method exits in each of them. That is enter() is blocking until N threads call it, then each of them goes on. No parameter checkings performed.

Parameters:

N - See description above.

Method Detail

enter

public void enter()

Enqueues the current thread at this barrier, waiting for all the others to join, that is waiting until N (see constructor) threads reached enter(). (Remember it is blocking !) Then it exits.