/**
* @param rc
* @param processed
* @param table
* @param object
*/
private Property bindOneToMany(
PersistentClass rc, ForeignKey foreignKey, Set processed, Mapping mapping) {
Table collectionTable = foreignKey.getTable();
// Collection collection = new org.hibernate.mapping.Set(rc); // MASTER TODO: allow overriding
// collection type
Collection collection =
new org.hibernate.mapping.List(rc); // MASTER TODO: allow overriding collection type
collection.setCollectionTable(collectionTable); // CHILD+
boolean manyToMany = revengStrategy.isManyToManyTable(collectionTable);
if (manyToMany) {
// log.debug("Rev.eng said here is a many-to-many");
// TODO: handle "the other side should influence the name"
}
if (manyToMany) {
ManyToOne element = new ManyToOne(collection.getCollectionTable());
// TODO: find the other foreignkey and choose the other side.
Iterator foreignKeyIterator = foreignKey.getTable().getForeignKeyIterator();
List keys = new ArrayList();
while (foreignKeyIterator.hasNext()) {
Object next = foreignKeyIterator.next();
if (next != foreignKey) {
keys.add(next);
}
}
if (keys.size() > 1) {
throw new JDBCBinderException(
"more than one other foreign key to choose from!"); // todo: handle better ?
}
ForeignKey fk = (ForeignKey) keys.get(0);
String tableToClassName = bindCollection(rc, foreignKey, fk, collection);
element.setReferencedEntityName(tableToClassName);
element.addColumn(fk.getColumn(0));
collection.setElement(element);
} else {
String tableToClassName = bindCollection(rc, foreignKey, null, collection);
OneToMany oneToMany = new OneToMany(collection.getOwner());
oneToMany.setReferencedEntityName(tableToClassName); // Child
mappings.addSecondPass(new JDBCCollectionSecondPass(mappings, collection));
collection.setElement(oneToMany);
}
// bind keyvalue
KeyValue referencedKeyValue;
String propRef = collection.getReferencedPropertyName();
if (propRef == null) {
referencedKeyValue = collection.getOwner().getIdentifier();
} else {
referencedKeyValue = (KeyValue) collection.getOwner().getProperty(propRef).getValue();
}
SimpleValue keyValue = new DependantValue(collectionTable, referencedKeyValue);
// keyValue.setForeignKeyName("none"); // Avoid creating the foreignkey
// key.setCascadeDeleteEnabled( "cascade".equals( subnode.attributeValue("on-delete") ) );
Iterator columnIterator = foreignKey.getColumnIterator();
while (columnIterator.hasNext()) {
Column fkcolumn = (Column) columnIterator.next();
if (fkcolumn.getSqlTypeCode()
!= null) { // TODO: user defined foreign ref columns does not have a type set.
guessAndAlignType(
collectionTable,
fkcolumn,
mapping,
false); // needed to ensure foreign key columns has same type as the "property" column.
}
keyValue.addColumn(fkcolumn);
}
collection.setKey(keyValue);
mappings.addCollection(collection);
return makeCollectionProperty(
StringHelper.unqualify(collection.getRole()),
true,
rc.getTable(),
foreignKey,
collection,
true);
// return makeProperty(TableIdentifier.create( rc.getTable() ), StringHelper.unqualify(
// collection.getRole() ), collection, true, true, true, "none", null); // TODO: cascade isn't
// all by default
}
