dist1.acb.common
Class Signal

java.lang.Object
  dist1.acb.common.Signal

public class Signal

extends java.lang.Object

Signal (for synchronization of threads)

Version:

$Revision: 1.2 $

Author:

Alexander Stasiv

Constructor Summary

Signal(java.lang.String signalName)
Creates a new instance of Signal (not signaled state)

Signal(java.lang.String signalName, boolean isSignaled)
Creates a new instance of Signal

Method Summary

void	signal() Signal to one of waiters
void	signalToAll() Signal to all waiters
void	waitForSignal() Waits for signal
boolean	waitForSignal(long timeout) Waits for signal (maximum timeout ms)

Methods inherited from class java.lang.Object

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

Constructor Detail

Signal

public Signal(java.lang.String signalName)

Creates a new instance of Signal (not signaled state)

Parameters:

signalName - A name of the signal

Signal

public Signal(java.lang.String signalName,
              boolean isSignaled)

Creates a new instance of Signal

Parameters:

signalName - A name of the signal

isSignaled - if start state is signaled state

Method Detail

signal

public void signal()

Signal to one of waiters

signalToAll

public void signalToAll()

Signal to all waiters

waitForSignal

public void waitForSignal()
                   throws java.lang.InterruptedException

Waits for signal

Throws:

java.lang.InterruptedException - Snother thread interrupted current thread using the interrupt method in class Thread

waitForSignal

public boolean waitForSignal(long timeout)
                      throws java.lang.InterruptedException

Waits for signal (maximum timeout ms)

Parameters:

timeout - the maximum time to wait in milliseconds

Returns:

true if signal was received, false if timeout was occurred or signalToAll was called and someone took the signal

Throws:

java.lang.InterruptedException - Snother thread interrupted current thread using the interrupt method in class Thread