001/*
002 * GWTEventService
003 * Copyright (c) 2011 and beyond, strawbill UG (haftungsbeschr?nkt)
004 *
005 * This is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU Lesser General Public License as
007 * published by the Free Software Foundation; either version 3 of
008 * the License, or (at your option) any later version.
009 * Other licensing for GWTEventService may also be possible on request.
010 * Please view the license.txt of the project for more information.
011 *
012 * This software is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015 * Lesser General Public License for more details.
016 *
017 * You should have received a copy of the GNU Lesser General Public
018 * License along with this software; if not, write to the Free
019 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
020 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
021 */
022package de.novanic.eventservice.service.registry.domain;
023
024import de.novanic.eventservice.client.event.domain.Domain;
025
026import java.util.Set;
027
028/**
029 * The ListenDomainAccessor provides methods to get all active domains where users are registered to
030 * listen for events. That information can be get for all users or for a specific user.
031 *
032 * @author sstrohschein
033 *         <br>Date: 29.10.2009
034 *         <br>Time: 22:00:24
035 */
036public interface ListenDomainAccessor
037{
038    /**
039     * Returns all domains where the user is registered to.
040     * @param aUserId user
041     * @return domains where the user is registered to
042     */
043    Set<Domain> getListenDomains(String aUserId);
044
045    /**
046     * Returns all registered/activated domains.
047     * @return all registered/activated domains
048     */
049    Set<Domain> getListenDomains();
050}