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org.apache.torque.engine.database.model.Inheritance |
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1 | package org.apache.torque.engine.database.model; |
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2 | ||
3 | /* |
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4 | * Copyright 2001-2005 The Apache Software Foundation. |
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5 | * |
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6 | * Licensed under the Apache License, Version 2.0 (the "License") |
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7 | * you may not use this file except in compliance with the License. |
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8 | * You may obtain a copy of the License at |
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9 | * |
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10 | * http://www.apache.org/licenses/LICENSE-2.0 |
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11 | * |
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12 | * Unless required by applicable law or agreed to in writing, software |
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13 | * distributed under the License is distributed on an "AS IS" BASIS, |
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14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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15 | * See the License for the specific language governing permissions and |
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16 | * limitations under the License. |
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17 | */ |
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18 | ||
19 | import org.xml.sax.Attributes; |
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20 | ||
21 | /** |
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22 | * A Class for information regarding possible objects representing a table |
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23 | * |
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24 | * @author <a href="mailto:jmcnally@collab.net">John McNally</a> |
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25 | * @version $Id: Inheritance.java 239624 2005-08-24 12:18:03Z henning $ |
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26 | */ |
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27 | 0 | public class Inheritance |
28 | { |
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29 | private String key; |
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30 | private String className; |
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31 | private String ancestor; |
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32 | private Column parent; |
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33 | ||
34 | /** |
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35 | * Imports foreign key from an XML specification |
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36 | * |
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37 | * @param attrib the xml attributes |
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38 | */ |
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39 | public void loadFromXML (Attributes attrib) |
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40 | { |
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41 | 0 | setKey(attrib.getValue("key")); |
42 | 0 | setClassName(attrib.getValue("class")); |
43 | 0 | setAncestor(attrib.getValue("extends")); |
44 | 0 | } |
45 | ||
46 | /** |
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47 | * Get the value of key. |
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48 | * @return value of key. |
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49 | */ |
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50 | public String getKey() |
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51 | { |
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52 | 0 | return key; |
53 | } |
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54 | ||
55 | /** |
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56 | * Set the value of key. |
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57 | * @param v Value to assign to key. |
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58 | */ |
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59 | public void setKey(String v) |
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60 | { |
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61 | 0 | this.key = v; |
62 | 0 | } |
63 | ||
64 | ||
65 | /** |
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66 | * Get the value of parent. |
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67 | * @return value of parent. |
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68 | */ |
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69 | public Column getColumn() |
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70 | { |
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71 | 0 | return parent; |
72 | } |
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73 | ||
74 | /** |
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75 | * Set the value of parent. |
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76 | * @param v Value to assign to parent. |
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77 | */ |
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78 | public void setColumn(Column v) |
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79 | { |
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80 | 0 | this.parent = v; |
81 | 0 | } |
82 | ||
83 | /** |
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84 | * Get the value of className. |
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85 | * @return value of className. |
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86 | */ |
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87 | public String getClassName() |
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88 | { |
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89 | 0 | return className; |
90 | } |
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91 | ||
92 | /** |
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93 | * Set the value of className. |
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94 | * @param v Value to assign to className. |
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95 | */ |
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96 | public void setClassName(String v) |
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97 | { |
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98 | 0 | this.className = v; |
99 | 0 | } |
100 | ||
101 | /** |
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102 | * Get the value of ancestor. |
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103 | * @return value of ancestor. |
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104 | */ |
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105 | public String getAncestor() |
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106 | { |
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107 | 0 | return ancestor; |
108 | } |
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109 | ||
110 | /** |
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111 | * Set the value of ancestor. |
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112 | * @param v Value to assign to ancestor. |
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113 | */ |
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114 | public void setAncestor(String v) |
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115 | { |
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116 | 0 | this.ancestor = v; |
117 | 0 | } |
118 | ||
119 | /** |
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120 | * String representation of the foreign key. This is an xml representation. |
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121 | * |
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122 | * @return string representation in xml |
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123 | */ |
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124 | public String toString() |
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125 | { |
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126 | 0 | StringBuffer result = new StringBuffer(); |
127 | 0 | result.append(" <inheritance key=\"") |
128 | .append(key) |
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129 | .append("\" class=\"") |
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130 | .append(className) |
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131 | .append('\"'); |
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132 | ||
133 | ||
134 | 0 | if (ancestor != null) |
135 | { |
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136 | 0 | result.append(" extends=\"") |
137 | .append(ancestor) |
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138 | .append('\"'); |
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139 | } |
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140 | ||
141 | 0 | result.append("/>"); |
142 | ||
143 | 0 | return result.toString(); |
144 | } |
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145 | } |
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