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Java > Open Source Codes > org > enhydra > barracuda > core > comp > AbstractIterativeTemplateModel


1 /*
2  * Copyright (C) 2003 Christian Cryder [christianc@granitepeaks.com]
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * This library 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 GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17  *
18  * $Id: AbstractIterativeTemplateModel.java,v 1.2 2004/02/01 05:16:27 christianc Exp $
19  */
20 package org.enhydra.barracuda.core.comp;
21
22 import java.util.*;
23 import org.enhydra.barracuda.core.comp.model.*;
24
25 /**
26  * This class provides the abstract implementation
27  * for an Iterative Template Model.
28  */
29 public abstract class AbstractIterativeTemplateModel extends AbstractTemplateModel implements IterativeModel {
30
31     //--------------- AbstractIterativeTemplateModel -------------
32 //pre-iteration
33 public void preIterate() {
34     }
35
36     //does the model have more items in the list?
37 public abstract boolean hasNext();
38
39     //move to the next position in the list
40 public abstract void loadNext();
41
42     //post-iteration
43 public void postIterate() {
44     }
45
46 }
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