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Java > Open Source Codes > org > apache > tapestry > contrib > table > model > ITableDataModel


1 // Copyright 2004, 2005 The Apache Software Foundation
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 package org.apache.tapestry.contrib.table.model;
16
17 import java.util.Iterator JavaDoc;
18
19 /**
20  * A model of the table's data
21  * This model need not be used. Implementations may choose to
22  * access data via an abstraction.
23  *
24  * @author mindbridge
25  */
26 public interface ITableDataModel
27 {
28     /**
29      * Method getRowCount.
30      * @return int the number of rows in the model
31      */
32     int getRowCount();
33
34     /**
35      * Iterates over all of the rows in the model
36      * @return Iterator the iterator for access to the data
37      */
38     Iterator JavaDoc getRows();
39     
40     /**
41      * Method addTableDataModelListener
42      * Adds a listener that is notified when the data in the model is changed
43      * @param objListener the listener to add
44      */
45     void addTableDataModelListener(ITableDataModelListener objListener);
46
47     /**
48      * Method removeTableDataModelListener.
49      * Removes a listener that is notified when the data in the model is changed
50      * @param objListener the listener to remove
51      */
52     void removeTableDataModelListener(ITableDataModelListener objListener);
53     
54 }
55
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