org.lsst.ccs.utilities.dispatch

Class ParallelObservable<P>

java.lang.Object

org.lsst.ccs.utilities.dispatch.ParallelObservable<P>

public class ParallelObservable<P>
extends Object

An Observable that notifies Observers through an ExecutorService (that is through different threads).

Author:

bernard AMADE

Field Summary

Fields

Modifier and Type	Field and Description
protected CopyOnWriteArrayList<ASyncObserver<P>>	list
protected ExecutorService	loop ExecutorService that deals with the Threads handling the commands.

Constructor Summary

Constructors

Constructor and Description
ParallelObservable() Here the threads handling the updates are daemons.
ParallelObservable(ExecutorService execService)

Method Summary

Methods

Modifier and Type	Method and Description
void	addObserver(ASyncObserver<P> observer)
void	notifyObservers(P data) do not need a call to setChanged: observers are immediately notified through different threads
void	removeObserver(ASyncObserver<P> observer)

Methods inherited from class java.lang.Object

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

Field Detail

list

protected CopyOnWriteArrayList<ASyncObserver<P>> list

loop

protected ExecutorService loop

ExecutorService that deals with the Threads handling the commands.

Constructor Detail

ParallelObservable

public ParallelObservable()

Here the threads handling the updates are daemons. You may change that by using a different constructor with another ExecutorService

ParallelObservable

public ParallelObservable(ExecutorService execService)

Method Detail

addObserver

public void addObserver(ASyncObserver<P> observer)

removeObserver

public void removeObserver(ASyncObserver<P> observer)

notifyObservers

public void notifyObservers(P data)

do not need a call to setChanged: observers are immediately notified through different threads

Parameters:

data -