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1 package org.hibernate.mapping;
3
4 import java.util.ArrayList  ;
5 import java.util.Iterator ;
6 import java.util.Map ;
7
8 import org.hibernate.MappingException;
9 import org.hibernate.type.EntityType;
10 import org.hibernate.type.Type;
11 import org.hibernate.type.TypeFactory;
12
13
17 public class ManyToOne extends ToOne {
18
19 private boolean ignoreNotFound;
20
21 public ManyToOne(Table table) {
22 super(table);
23 }
24
25 public Type getType() throws MappingException {
26 return TypeFactory.manyToOne(
27 getReferencedEntityName(),
28 getReferencedPropertyName(),
29 isLazy(),
30 isUnwrapProxy(),
31 isEmbedded(),
32 isIgnoreNotFound()
33 );
34 }
35
36 public void createForeignKey() throws MappingException {
37 if (referencedPropertyName==null && !hasFormula() ) {
39 createForeignKeyOfEntity( ( (EntityType) getType() ).getAssociatedEntityName() );
40 }
41 }
42
43 public void createPropertyRefConstraints(Map persistentClasses) {
44 if (referencedPropertyName!=null) {
45 PersistentClass pc = (PersistentClass) persistentClasses.get(getReferencedEntityName() );
46
47 Property property = pc.getReferencedProperty( getReferencedPropertyName() );
48
49 if (property==null) {
50 throw new MappingException(
51 "Could not find property " +
52 getReferencedPropertyName() +
53 " on " +
54 getReferencedEntityName()
55 );
56 }
57 else {
58 if ( !hasFormula() && !"none".equals( getForeignKeyName() ) ) {
59 java.util.List refColumns = new ArrayList ();
60 Iterator iter = property.getColumnIterator();
61 while ( iter.hasNext() ) {
62 Column col = (Column) iter.next();
63 refColumns.add( col );
64 }
65
66 ForeignKey fk = getTable().createForeignKey(
67 getForeignKeyName(),
68 getConstraintColumns(),
69 ( (EntityType) getType() ).getAssociatedEntityName(),
70 refColumns
71 );
72 fk.setCascadeDeleteEnabled(isCascadeDeleteEnabled() );
73 }
74 }
75 }
76 }
77
78 public Object accept(ValueVisitor visitor) {
79 return visitor.accept(this);
80 }
81
82 public boolean isIgnoreNotFound() {
83 return ignoreNotFound;
84 }
85
86 public void setIgnoreNotFound(boolean ignoreNotFound) {
87 this.ignoreNotFound = ignoreNotFound;
88 }
89
90
91 }
92 |
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