ChannelGroupIF


1   //
2   // Informa -- RSS Library for Java
3   // Copyright (c) 2002 by Niko Schmuck
4   //
5   // Niko Schmuck
6   // http://sourceforge.net/projects/informa
7   // mailto:niko_schmuck@users.sourceforge.net
8   //
9   // This library is free software.
10  //
11  // You may redistribute it and/or modify it under the terms of the GNU
12  // Lesser General Public License as published by the Free Software Foundation.
13  //
14  // Version 2.1 of the license should be included with this distribution in
15  // the file LICENSE. If the license is not included with this distribution,
16  // you may find a copy at the FSF web site at 'www.gnu.org' or 'www.fsf.org',
17  // or you may write to the Free Software Foundation, 675 Mass Ave, Cambridge, 
18  // MA 02139 USA.
19  //
20  // This library is distributed in the hope that it will be useful,
21  // but WITHOUT ANY WARRANTY; without even the implied waranty of
22  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
23  // Lesser General Public License for more details.
24  //
25  
26  
27  // $Id: ChannelGroupIF.java,v 1.6 2004/01/30 20:36:05 niko_schmuck Exp $
28  
29  package de.nava.informa.core;
30  
31  import java.util.Collection  ;
32  
33  /**
34   * Interface to allow to implement a container of channels that may be
35   * used by a channel registry (through a front-end) or as the entry
36   * point for an application using this library. A ChannelGroupIF
37   * object may also reflect the root element of a XML file persisted
38   * from the channel object model.</p>
39   *
40   * <p>{@link LocationMIF#getLocation()} here contains nested ChannelGroupIF objects</p>
41   *
42   * @author Niko Schmuck (niko@nava.de)
43   */
44  public interface ChannelGroupIF extends WithIdMIF, WithTitleMIF, WithChildrenMIF {
45  
46    void add(ChannelIF channel);
47    void remove(ChannelIF channel);
48  
49    /**
50     * @return A collection of ChannelIF objects.
51     */
52    Collection   getAll();
53  
54    ChannelIF getById(long id);
55  
56    ChannelGroupIF getParent();
57    void setParent(ChannelGroupIF parent);
58  
59    void addChild(ChannelGroupIF child);
60    void removeChild(ChannelGroupIF child);
61  }
62
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags