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1 package org.apache.ojb.tools.mapping.reversedb;
2
3
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18
19
24 public class DBFKRelation implements MetadataNodeInterface, javax.swing.tree.TreeNode  , org.apache.ojb.tools.mapping.reversedb.gui.PropertySheetModel
25 {
26 DBTable pkTable;
27 DBTable fkTable;
28
29 private boolean bAutoRetrieve = true;
30 private boolean bAutoUpdate = false;
31 private boolean bAutoDelete = false;
32
33 private String strFieldName = null;
34
35
39 private String strFieldType = null;
40
41 private boolean enabled = true;
42
43 boolean pkTableIsParent = true;
44 java.util.ArrayList alColumnPairs = new java.util.ArrayList ();
45
46 public DBFKRelation (DBTable pPkTable, DBTable pFkTable, boolean ppkTableIsParent)
47 {
48 pkTable = pPkTable;
49 fkTable = pFkTable;
50 pkTableIsParent = ppkTableIsParent;
51 if (pkTableIsParent)
52 {
53 this.strFieldName = "coll" + fkTable.getClassName ();
54 this.strFieldType = "java.util.Vector";
55 }
56 else
57 {
58 this.strFieldName = "a" + pkTable.getClassName ();
59 }
60 }
61
62 public boolean isEnabled()
63 {
64 return this.enabled;
65 }
66
67 public void setEnabled(boolean b)
68 {
69 this.enabled = b;
70 }
71
72 public String getFieldName()
73 {
74 return this.strFieldName;
75 }
76
77 public void setFieldName(String s)
78 {
79 strFieldName = s;
80 }
81
82 public String getFieldType()
83 {
84 if (this.isPkTableParent ()) return this.strFieldType;
85 else return this.pkTable.getFQClassName();
86 }
87
88 public void setFieldType(String s)
89 {
90 if (!this.isPkTableParent()) throw new java.lang.UnsupportedOperationException ("Cannot set Field type on this type of relation");
91 strFieldType = s;
92 }
93
94 public boolean isPkTableParent()
95 {
96 return this.pkTableIsParent;
97 }
98
99 public void setAutoRetrieve(boolean b)
100 {
101 this.bAutoRetrieve = b;
102 }
103
104 public boolean getAutoRetrieve()
105 {
106 return this.bAutoRetrieve;
107 }
108
109 public void setAutoUpdate(boolean b)
110 {
111 this.bAutoUpdate = b;
112 }
113
114 public boolean getAutoUpdate()
115 {
116 return this.bAutoUpdate;
117 }
118
119 public void setAutoDelete(boolean b)
120 {
121 this.bAutoDelete = b;
122 }
123
124 public boolean getAutoDelete()
125 {
126 return this.bAutoDelete;
127 }
128
129 public DBTable getFKTable()
130 {
131 return fkTable;
132 }
133
134 public DBTable getPKTable()
135 {
136 return pkTable;
137 }
138
139 public boolean isTreeEnabled()
140 {
141 if (this.pkTableIsParent) return this.pkTable.isTreeEnabled() && this.isEnabled();
142 else return this.fkTable.isTreeEnabled() && this.isEnabled();
143 }
144
145
146 public void addColumnPair(DBColumn pPkColumn, DBColumn pFkColumn)
147 {
148 alColumnPairs.add(new Object []{pPkColumn, pFkColumn});
149 }
150
151 public java.util.Iterator getColumnPairIterator()
152 {
153 return alColumnPairs.iterator();
154 }
155
156 public java.util.Enumeration children ()
157 {
158 if (pkTableIsParent) return this.fkTable.children();
159 else return this.pkTable.children();
160 }
161
162 public boolean getAllowsChildren ()
163 {
164 if (pkTableIsParent) return this.fkTable.getAllowsChildren();
165 else return this.pkTable.getAllowsChildren();
166 }
167
168 public javax.swing.tree.TreeNode getChildAt (int param)
169 {
170 if (pkTableIsParent) return this.fkTable.getChildAt(param);
171 else return this.pkTable.getChildAt(param);
172 }
173
174 public int getChildCount ()
175 {
176 if (pkTableIsParent) return this.fkTable.getChildCount();
177 else return this.pkTable.getChildCount();
178 }
179
180 public int getIndex (javax.swing.tree.TreeNode treeNode)
181 {
182 if (pkTableIsParent) return this.fkTable.getIndex(treeNode);
183 else return this.pkTable.getIndex(treeNode);
184 }
185
186 public javax.swing.tree.TreeNode getParent ()
187 {
188 if (pkTableIsParent) return this.pkTable;
189 else return this.fkTable;
190 }
191
192 public boolean isLeaf ()
193 {
194 if (pkTableIsParent) return this.fkTable.isLeaf();
195 else return this.pkTable.isLeaf();
196 }
197
198 public String toString()
199 {
200 if (pkTableIsParent) return this.fkTable.toString() + " (Collection)";
201 else return this.pkTable.toString() + " (Reference)";
202 }
203
204
205 public Class getPropertySheetClass ()
206 {
207 return org.apache.ojb.tools.mapping.reversedb.gui.DBFKRelationPropertySheet.class;
208 }
209
210 private void writeXMLReference(java.io.PrintWriter pw)
211 {
212 pw.println(" <reference-descriptor");
213 pw.println(" name=\"" + this.getFieldName()+ "\"" );
214 pw.println(" class-ref=\"" + this.getPKTable().getFQClassName() + "\"" );
215 pw.println(" auto-retrieve=\"" + this.getAutoRetrieve()+ "\"" );
216 pw.println(" auto-update=\"" + this.getAutoUpdate() + "\"");
217 pw.println(" auto-delete=\"" + this.getAutoDelete() + "\">");
218
219 pw.print(" <foreignkey field-ref=\"");
220 java.util.Iterator it = this.getColumnPairIterator();
221 if (it.hasNext()) pw.print(((DBColumn)((Object [])it.next())[1]).getJavaFieldName()) ;
224 pw.println("\" />");
225
226 pw.println(" </reference-descriptor>");
227 }
228
229 private void writeXMLCollection(java.io.PrintWriter pw)
230 {
231 pw.println(" <collection-descriptor");
232 pw.println(" name=\"" + this.getFieldName() + "\"");
233 pw.println(" element-class-ref=\"" + this.getFKTable().getFQClassName() + "\"" );
234 pw.println(" auto-retrieve=\"" + this.getAutoRetrieve() + "\"" );
235 pw.println(" auto-update=\"" + this.getAutoUpdate() + "\"" );
236 pw.println(" auto-delete=\"" + this.getAutoDelete() + "\">");
237 pw.print(" <inverse-foreignkey field-ref=\"");
238 java.util.Iterator it = this.getColumnPairIterator();
239 while (it.hasNext()) pw.print(((DBColumn)((Object [])it.next())[1]).getJavaFieldName() + " ");
240 pw.println("\" />");
241 pw.println(" </collection-descriptor>");
242 }
243
244 public String getXML()
245 {
246 java.io.StringWriter sw = new java.io.StringWriter ();
247 writeXML(new java.io.PrintWriter (sw));
248 return sw.getBuffer().toString();
249 }
250
251 public void writeXML(java.io.PrintWriter pw)
252 {
253 if (this.isPkTableParent())
254 {
255 writeXMLCollection(pw);
256 }
257 else
258 {
259 writeXMLReference(pw);
260 }
261 }
262
263
264 public void generateJava (java.io.File aFile, String strHeader, String strFooter) throws java.io.IOException , java.io.FileNotFoundException
265 {
266 throw new UnsupportedOperationException ("Generate Java on DBFKReference is not allowed");
267 }
268
269 public void setPackage (String packageName)
270 {
271 throw new UnsupportedOperationException ("Set Package on DBFKReference is not allowed");
272 }
273
274 public String getJavaFieldDefinition()
275 {
276 if (this.isTreeEnabled()
279 && this.getFKTable().isTreeEnabled()
280 && this.getPKTable().isTreeEnabled())
281 {
282 return " private " + this.getFieldType() + " " + this.getFieldName() + ";";
283 }
284 else return "";
285 }
286
287 public String getJavaGetterSetterDefinition()
288 {
289 if (this.isTreeEnabled()
290 && this.getFKTable().isTreeEnabled()
291 && this.getPKTable().isTreeEnabled())
292 {
293 String strReturn = "";
294 strReturn = " public " + this.getFieldType() + " get"
295 + this.getFieldName().substring(0,1).toUpperCase()
296 + this.getFieldName().substring(1) + "()"
297 + System.getProperty("line.separator");
298
299 strReturn += " {" + System.getProperty("line.separator");
300 strReturn += " return this." + this.getFieldName() + ";" + System.getProperty("line.separator");
301 strReturn += " }" + System.getProperty("line.separator");
302 strReturn += " public void set"
303 + this.getFieldName().substring(0,1).toUpperCase()
304 + this.getFieldName().substring(1) + "(" + this.getFieldType() + " param)"
305 + System.getProperty("line.separator");
306 strReturn += " {" + System.getProperty("line.separator");
307 strReturn += " this." + this.getFieldName() + " = param;" + System.getProperty("line.separator");
308 strReturn += " }" + System.getProperty("line.separator");
309 return strReturn;
310 }
311 else return "";
312 }
313
314
315 }
316
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