Source code: javatools/db/DbIterator.java
1 /*
2 Javatools (modified version) - Some useful general classes.
3 Copyright (C) 2002-2003 Chris Bitmead (original) Antonio Petrelli (modified)
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18
19 Contact me at: brenmcguire@users.sourceforge.net
20 */
21 package javatools.db;
22 import java.util.*;
23 import java.sql.*;
24 /**
25 * An iterator interface for DbTables.
26 *
27 * @author Antonio Petrelli
28 * @version 0.2.0
29 *
30 */
31
32 public interface DbIterator extends Iterator {
33
34 /** Removes the current element.
35 */
36 public void remove();
37
38 /**
39 * Are there more rows to iterator through?
40 * @throws DbException If something goes wrong.
41 * @return <CODE>true</CODE>: there are still more rows;
42 * <CODE>false</CODE>: no there are not.
43 */
44 public boolean hasNextRow() throws DbException;
45
46 /**
47 * Get the next DbRow in the table.
48 * @throws DbException If something goes wrong.
49 * @return The next row.
50 */
51 public DbRow nextRow() throws DbException;
52 }