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1   /*
2    * joey-gen and its relative products are published under the terms
3    * of the Apache Software License.
4    * 
5    * Created on 2004/10/26 15:58:51
6    */
7   package org.asyrinx.joey.gen.command.rdb;
8   
9   import java.util.Iterator;
10  
11  import org.apache.commons.lang.StringUtils;
12  import org.asyrinx.joey.gen.model.rdb.Column;
13  import org.asyrinx.joey.gen.model.rdb.ForeignKey;
14  import org.asyrinx.joey.gen.model.rdb.ForeignKeyEntry;
15  import org.asyrinx.joey.gen.model.rdb.ForeignKeyType;
16  import org.asyrinx.joey.gen.model.rdb.Table;
17  
18  /***
19   * @author takeshi
20   */
21  public class ExtendsToFk extends RdbCommand {
22  
23      public void visit(Table table) {
24          if (StringUtils.isEmpty(table.getExtends()))
25              return;
26          final Table extendsTable = table.getExtendsTable();
27          if (extendsTable == null) {
28              addError(table, "could not find table'" + table.getExtends() + "'");
29          }
30          final ForeignKey foreignKey = new ForeignKey(table, extendsTable.getName());
31          foreignKey.setType(ForeignKeyType.EXTENDS);
32          this.log(foreignKey, "create FK  ");
33          if (table.hasPrimaryKey()) {
34              this.log
35                      .warn("table '"
36                              + table.getName()
37                              + "' has primary key. "
38                              + "if you use hibernate, don't set primary key because primary key will be automatically generated.");
39          }
40          for (Iterator i = extendsTable.getPkColumns(); i.hasNext();) {
41              final Column foreignColumn = (Column) i.next();
42              final Column localColumn = new Column(table, foreignColumn.getName(), foreignColumn.getType(),
43                      foreignColumn.getSize(), foreignColumn.isRequired(), !table.hasPrimaryKey(), foreignColumn
44                              .getDefaultValue());
45              localColumn.setExtended(true);
46              this.log(localColumn, "create Col ");
47              final ForeignKeyEntry foreignKeyEntry = new ForeignKeyEntry(foreignKey, localColumn.getName(),
48                      foreignColumn.getName());
49              this.log(foreignKeyEntry, "create FKEntry");
50          }
51      }
52  
53  }