1 /*
2 * PROJECT : DAR Runtime and Tools
3 * COPYRIGHT : Copyright (C) 1999-2004 tim.stephenson@enableit.org
4 * LICENSE : GNU LESSER GENERAL PUBLIC LICENSE
5 * Version 2.1, February 1999
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21 package org.enableit.db.beans;
22
23
24 // Java imports
25 import java.util.ArrayList;
26 import java.util.List;
27
28 import org.apache.log4j.Logger;
29
30
31 /***
32 * Extension or Helper class for <code>Table</code>.
33 * @author Tim Stephenson
34 */
35 public class TableExt {
36 /*
37 * Properties
38 */
39
40 /***
41 * The Log4J <code>Logger</code> doing the logging.
42 */
43 private static Logger logger = Logger.getLogger(TableExt.class);
44
45 /***
46 * CVS info ABOUT this class and its current version
47 */
48 public static final String ABOUT = "$Revision: 1.4 $";
49
50 /*
51 * Constructors
52 */
53
54 /***
55 * Private constructor to ensure not instantiated.
56 */
57 private TableExt() {
58 }
59
60 /*
61 * Methods
62 */
63
64 /***
65 *
66 */
67 public static int getAutoIncrementCount(Table table) {
68 logger.info("METHOD_ENTRY: getAutoIncrementCount");
69
70 int autoIncCount = 0;
71
72 for (int i = 0; i < table.getColumnCount(); i++) {
73 if ("autoincrement".equals(table.getColumn(i).getDefault())) {
74 autoIncCount++;
75 }
76 }
77
78 logger.info("METHOD_EXIT: getAutoIncrementCount, autoIncCount="
79 + autoIncCount);
80
81 return autoIncCount;
82 }
83
84 public static List getPrimaryKeyList(Table table) {
85 List pkList = new ArrayList();
86
87 for (int i = 0; i < table.getColumnCount(); i++) {
88 Column column = table.getColumn(i);
89
90 if ("true".equalsIgnoreCase(column.getPrimaryKey())) {
91 pkList.add(column);
92 }
93 }
94
95 return pkList;
96 }
97 }
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