/* * JBoss, Home of Professional Open Source. * Copyright 2014, 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.List; import java.util.concurrent.CopyOnWriteArrayList; import java.util.concurrent.CountDownLatch; /** * NotificationHandler that stores its notifications in a list and countdown a latch every time it handles a notification. * * @author <a href="http://jmesnil.net/">Jeff Mesnil</a> (c) 2014 Red Hat inc. */ public class CountdownListBackedNotificationHandler implements NotificationHandler { private final CountDownLatch latch; final List<Notification> notifications = new CopyOnWriteArrayList<>(); public CountdownListBackedNotificationHandler(CountDownLatch latch) { this.latch = latch; } @Override public void handleNotification(Notification notification) { notifications.add(notification); latch.countDown(); } public List<Notification> getNotifications() { return notifications; } }