log.debug("Retrieving property {}.{}", associatedClass.getEntityName(), mappedByProperty);
final Property property = associatedClass.getRecursiveProperty( columns[0].getMappedBy() );
Iterator mappedByColumns;
if ( property.getValue() instanceof Collection ) {
Collection collection = ( (Collection) property.getValue() );
Value element = collection.getElement();
if ( element == null ) {
throw new AnnotationException(
"Illegal use of mappedBy on both sides of the relationship: "
+ associatedClass.getEntityName() + "." + mappedByProperty
);
}
mappedByColumns = element.getColumnIterator();
}
else {
mappedByColumns = property.getValue().getColumnIterator();
}
while ( mappedByColumns.hasNext() ) {
Column column = (Column) mappedByColumns.next();
columns[0].overrideFromReferencedColumnIfNecessary( column );
columns[0].linkValueUsingAColumnCopy( column, value );
}
}
else if ( columns[0].isImplicit() ) {
/**
* if columns are implicit, then create the columns based on the
* referenced entity id columns
*/
Iterator idColumns;
if ( referencedEntity instanceof JoinedSubclass ) {
idColumns = ( (JoinedSubclass) referencedEntity ).getKey().getColumnIterator();
}
else {
idColumns = referencedEntity.getIdentifier().getColumnIterator();
}
while ( idColumns.hasNext() ) {
Column column = (Column) idColumns.next();
columns[0].overrideFromReferencedColumnIfNecessary( column );
columns[0].linkValueUsingDefaultColumnNaming( column, referencedEntity, value );
}
}
else {
int fkEnum = Ejb3JoinColumn.checkReferencedColumnsType( columns, referencedEntity, mappings );
if ( Ejb3JoinColumn.NON_PK_REFERENCE == fkEnum ) {
String referencedPropertyName;
if ( value instanceof ToOne ) {
referencedPropertyName = ( (ToOne) value ).getReferencedPropertyName();
}
else if ( value instanceof DependantValue ) {
String propertyName = columns[0].getPropertyName();
if ( propertyName != null ) {
Collection collection = (Collection) referencedEntity.getRecursiveProperty( propertyName )
.getValue();
referencedPropertyName = collection.getReferencedPropertyName();
}
else {
throw new AnnotationException( "SecondaryTable JoinColumn cannot reference a non primary key" );
}