1 package org.apache.torque.engine.database.model;
2
3 /* ====================================================================
4 * The Apache Software License, Version 1.1
5 *
6 * Copyright (c) 2001 The Apache Software Foundation. All rights
7 * reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
19 * distribution.
20 *
21 * 3. The end-user documentation included with the redistribution,
22 * if any, must include the following acknowledgment:
23 * "This product includes software developed by the
24 * Apache Software Foundation (http://www.apache.org/)."
25 * Alternately, this acknowledgment may appear in the software itself,
26 * if and wherever such third-party acknowledgments normally appear.
27 *
28 * 4. The names "Apache" and "Apache Software Foundation" and
29 * "Apache Turbine" must not be used to endorse or promote products
30 * derived from this software without prior written permission. For
31 * written permission, please contact apache@apache.org.
32 *
33 * 5. Products derived from this software may not be called "Apache",
34 * "Apache Turbine", nor may "Apache" appear in their name, without
35 * prior written permission of the Apache Software Foundation.
36 *
37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
40 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
41 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
43 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
44 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
45 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
46 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
47 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
48 * SUCH DAMAGE.
49 * ====================================================================
50 *
51 * This software consists of voluntary contributions made by many
52 * individuals on behalf of the Apache Software Foundation. For more
53 * information on the Apache Software Foundation, please see
54 * <http://www.apache.org/>.
55 */
56
57 import org.xml.sax.Attributes;
58
59 /***
60 * A Class for information regarding possible objects representing a table
61 *
62 * @author <a href="mailto:jmcnally@collab.net">John McNally</a>
63 * @version $Id: Inheritance.java,v 1.1 2003/02/10 13:20:58 mpoeschl Exp $
64 */
65 public class Inheritance
66 {
67 private String key;
68 private String className;
69 private String ancestor;
70 private Column parent;
71
72 /***
73 * Imports foreign key from an XML specification
74 *
75 * @param attrib the xml attributes
76 */
77 public void loadFromXML (Attributes attrib)
78 {
79 setKey(attrib.getValue("key"));
80 setClassName(attrib.getValue("class"));
81 setAncestor(attrib.getValue("extends"));
82 }
83
84 /***
85 * Get the value of key.
86 * @return value of key.
87 */
88 public String getKey()
89 {
90 return key;
91 }
92
93 /***
94 * Set the value of key.
95 * @param v Value to assign to key.
96 */
97 public void setKey(String v)
98 {
99 this.key = v;
100 }
101
102
103 /***
104 * Get the value of parent.
105 * @return value of parent.
106 */
107 public Column getColumn()
108 {
109 return parent;
110 }
111
112 /***
113 * Set the value of parent.
114 * @param v Value to assign to parent.
115 */
116 public void setColumn(Column v)
117 {
118 this.parent = v;
119 }
120
121 /***
122 * Get the value of className.
123 * @return value of className.
124 */
125 public String getClassName()
126 {
127 return className;
128 }
129
130 /***
131 * Set the value of className.
132 * @param v Value to assign to className.
133 */
134 public void setClassName(String v)
135 {
136 this.className = v;
137 }
138
139 /***
140 * Get the value of ancestor.
141 * @return value of ancestor.
142 */
143 public String getAncestor()
144 {
145 return ancestor;
146 }
147
148 /***
149 * Set the value of ancestor.
150 * @param v Value to assign to ancestor.
151 */
152 public void setAncestor(String v)
153 {
154 this.ancestor = v;
155 }
156
157 /***
158 * String representation of the foreign key. This is an xml representation.
159 *
160 * @return string representation in xml
161 */
162 public String toString()
163 {
164 StringBuffer result = new StringBuffer();
165 result.append(" <inheritance key=\"")
166 .append(key)
167 .append("\" class=\"")
168 .append(className)
169 .append('\"');
170
171
172 if (ancestor != null)
173 {
174 result.append(" extends=\"")
175 .append(ancestor)
176 .append('\"');
177 }
178
179 result.append("/>");
180
181 return result.toString();
182 }
183 }
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