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Java > Open Source Codes > de > nava > informa > core > ChannelSubscriptionIF


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: ChannelSubscriptionIF.java,v 1.6 2004/01/30 20:36:05 niko_schmuck Exp $
28
29 package de.nava.informa.core;
30
31 /**
32  * Implementing classes hold information about wether a channel should
33  * be updated or not, when the channel was last time updated
34  * (retrieved) and in which interval subsequent updated should be
35  * executed.
36  *
37  * @author Niko Schmuck (niko@nava.de)
38  */
39 public interface ChannelSubscriptionIF extends WithChannelMIF {
40
41   boolean isActive();
42   
43   /**
44    * Activate/Deactivate channel update behaviour.
45    *
46    * @param active - wether this channel should be updated at all or
47    * not.
48    */
49   void setActive(boolean active);
50
51   
52   int getUpdateInterval();
53   
54   /**
55    * Sets the interval time between channel updates.
56    *
57    * @param interval - time in seconds between channel update
58    * retrievals.
59    */
60   void setUpdateInterval(int interval);
61   
62 }
63
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