throws MappingException {
if ( collection.isOneToMany() ) {
OneToMany oneToMany = (OneToMany) collection.getElement();
String assocClass = oneToMany.getReferencedEntityName();
PersistentClass persistentClass = (PersistentClass) persistentClasses.get( assocClass );
if ( persistentClass == null ) {
throw new MappingException( "Association references unmapped class: " + assocClass );
}
oneToMany.setAssociatedClass( persistentClass );
collection.setCollectionTable( persistentClass.getTable() );
if ( LOG.isDebugEnabled() ) {
LOG.debugf( "Mapping collection: %s -> %s", collection.getRole(), collection.getCollectionTable().getName() );
}
}
// CHECK
Attribute chNode = node.attribute( "check" );
if ( chNode != null ) {
collection.getCollectionTable().addCheckConstraint( chNode.getValue() );
}
// contained elements:
Iterator iter = node.elementIterator();
while ( iter.hasNext() ) {
Element subnode = (Element) iter.next();
String name = subnode.getName();
if ( "key".equals( name ) ) {
KeyValue keyVal;
String propRef = collection.getReferencedPropertyName();
if ( propRef == null ) {
keyVal = collection.getOwner().getIdentifier();
}
else {
keyVal = (KeyValue) collection.getOwner().getRecursiveProperty( propRef ).getValue();
}
SimpleValue key = new DependantValue( mappings, collection.getCollectionTable(), keyVal );
key.setCascadeDeleteEnabled( "cascade"
.equals( subnode.attributeValue( "on-delete" ) ) );
bindSimpleValue(
subnode,
key,
collection.isOneToMany(),
Collection.DEFAULT_KEY_COLUMN_NAME,
mappings
);
collection.setKey( key );
Attribute notNull = subnode.attribute( "not-null" );
( (DependantValue) key ).setNullable( notNull == null
|| notNull.getValue().equals( "false" ) );
Attribute updateable = subnode.attribute( "update" );
( (DependantValue) key ).setUpdateable( updateable == null
|| updateable.getValue().equals( "true" ) );
}
else if ( "element".equals( name ) ) {
SimpleValue elt = new SimpleValue( mappings, collection.getCollectionTable() );
collection.setElement( elt );
bindSimpleValue(
subnode,
elt,
true,
Collection.DEFAULT_ELEMENT_COLUMN_NAME,
mappings
);
}
else if ( "many-to-many".equals( name ) ) {
ManyToOne element = new ManyToOne( mappings, collection.getCollectionTable() );
collection.setElement( element );
bindManyToOne(
subnode,
element,
Collection.DEFAULT_ELEMENT_COLUMN_NAME,
false,
mappings
);
bindManyToManySubelements( collection, subnode, mappings );
}
else if ( "composite-element".equals( name ) ) {
Component element = new Component( mappings, collection );
collection.setElement( element );
bindComposite(
subnode,
element,
collection.getRole() + ".element",
true,
mappings,
inheritedMetas
);
}
else if ( "many-to-any".equals( name ) ) {
Any element = new Any( mappings, collection.getCollectionTable() );
collection.setElement( element );
bindAny( subnode, element, true, mappings );
}
else if ( "cache".equals( name ) ) {
collection.setCacheConcurrencyStrategy( subnode.attributeValue( "usage" ) );
collection.setCacheRegionName( subnode.attributeValue( "region" ) );
}
String nodeName = subnode.attributeValue( "node" );
if ( nodeName != null ) collection.setElementNodeName( nodeName );
}
if ( collection.isOneToMany()
&& !collection.isInverse()
&& !collection.getKey().isNullable() ) {
// for non-inverse one-to-many, with a not-null fk, add a backref!
String entityName = ( (OneToMany) collection.getElement() ).getReferencedEntityName();
PersistentClass referenced = mappings.getClass( entityName );
Backref prop = new Backref();
prop.setName( '_' + collection.getOwnerEntityName() + "." + node.attributeValue( "name" ) + "Backref" );
prop.setUpdateable( false );
prop.setSelectable( false );
prop.setCollectionRole( collection.getRole() );
prop.setEntityName( collection.getOwner().getEntityName() );
prop.setValue( collection.getKey() );
referenced.addProperty( prop );
}
}