/*
* JBoss, Home of Professional Open Source.
* Copyright 2013, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.controller.notification;
import java.util.concurrent.ExecutorService;
import org.jboss.as.controller.registry.NotificationHandlerRegistration;
/**
* The NotificationSupport can be used to emit notifications.
*
* @author <a href="http://jmesnil.net/">Jeff Mesnil</a> (c) 2013 Red Hat inc.
*/
public interface NotificationSupport {
/**
* Get the notification registry to register/unregister notification handlers
*/
NotificationHandlerRegistration getNotificationRegistry();
/**
* Emit {@link Notification}(s).
*
* @param notifications the notifications to emit
*/
void emit(final Notification... notifications);
class Factory {
private Factory() {
}
/**
* If the {@code executorService} parameter is null, the notifications will be emitted synchronously
* and may be subject to handlers blocking the execution.
*
* @param executorService can be {@code null}.
*/
public static NotificationSupport create(ExecutorService executorService) {
NotificationHandlerRegistration registry = NotificationHandlerRegistration.Factory.create();
if (executorService == null) {
return new NotificationSupports.BlockingNotificationSupport(registry);
} else {
return new NotificationSupports.NonBlockingNotificationSupport(registry, executorService);
}
}
}
}