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Java > Open Source Codes > jcckit > data > DataElement


1 /*
2  * Copyright 2003-2004, Franz-Josef Elmer, All rights reserved
3  *
4  * This library is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU Lesser General Public License as published by
6  * the Free Software Foundation; either version 2.1 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU Lesser General Public License for more details
13  * (http://www.gnu.org/copyleft/lesser.html).
14  *
15  * You should have received a copy of the GNU Lesser General Public License
16  * along with this library; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18  */
19 package jcckit.data;
20
21 /**
22  * Interface for all kinds of data elements.
23  *
24  * @author Franz-Josef Elmer
25  */
26 public interface DataElement {
27   /**
28    * Returns the container containing this element.
29    * @return <tt>null</tt> if this element is not an element of a container.
30    */
31   public DataContainer getContainer();
32
33   /**
34    * Sets the container which should contain this element.
35    * This method should <b>not</b> used outside {@link DataContainer}..
36    * @param container Container which should contains this element. Cann be
37    * <tt>null</tt> if this element does not belong to a container.
38    */
39   public void setContainer(DataContainer container);
40 }
41
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