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Java > Open Source Codes > org > hibernate > mapping > JoinedSubclass


1 //$Id: JoinedSubclass.java,v 1.6 2005/07/21 01:11:51 oneovthafew Exp $
2 package org.hibernate.mapping;
3
4 import java.util.Iterator JavaDoc;
5
6 import org.hibernate.MappingException;
7 import org.hibernate.engine.Mapping;
8
9 /**
10  * A subclass in a table-per-subclass mapping
11  * @author Gavin King
12  */
13 public class JoinedSubclass extends Subclass implements TableOwner {
14
15     private Table table;
16     private KeyValue key;
17
18     public JoinedSubclass(PersistentClass superclass) {
19         super(superclass);
20     }
21
22     public Table getTable() {
23         return table;
24     }
25
26     public void setTable(Table table) {
27         this.table=table;
28         getSuperclass().addSubclassTable(table);
29     }
30
31     public KeyValue getKey() {
32         return key;
33     }
34
35     public void setKey(KeyValue key) {
36         this.key = key;
37     }
38
39     public void validate(Mapping mapping) throws MappingException {
40         super.validate(mapping);
41         if ( key!=null && !key.isValid(mapping) ) {
42             throw new MappingException(
43                     "subclass key mapping has wrong number of columns: " +
44                     getEntityName() +
45                     " type: " +
46                     key.getType().getName()
47                 );
48         }
49     }
50
51     public Iterator JavaDoc getReferenceablePropertyIterator() {
52         return getPropertyIterator();
53     }
54     
55     public Object JavaDoc accept(PersistentClassVisitor mv) {
56         return mv.accept(this);
57     }
58 }
59
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