private void dereferenceEntity(
String propertyName, EntityType propertyType, QueryTranslatorImpl q) throws QueryException {
// NOTE: we avoid joining to the next table if the named property is just the foreign key value
// if its "id"
boolean isIdShortcut =
EntityPersister.ENTITY_ID.equals(propertyName) && propertyType.isReferenceToPrimaryKey();
// or its the id property name
final String idPropertyName;
try {
idPropertyName = propertyType.getIdentifierOrUniqueKeyPropertyName(q.getFactory());
} catch (MappingException me) {
throw new QueryException(me);
}
boolean isNamedIdPropertyShortcut =
idPropertyName != null
&& idPropertyName.equals(propertyName)
&& propertyType.isReferenceToPrimaryKey();
if (isIdShortcut || isNamedIdPropertyShortcut) {
// special shortcut for id properties, skip the join!
// this must only occur at the _end_ of a path expression
if (componentPath.length() > 0) componentPath.append('.');
componentPath.append(propertyName);
} else {
String entityClass = propertyType.getAssociatedEntityName();
String name = q.createNameFor(entityClass);
q.addType(name, entityClass);
addJoin(name, propertyType);
if (propertyType.isOneToOne()) oneToOneOwnerName = currentName;
ownerAssociationType = propertyType;
currentName = name;
currentProperty = propertyName;
q.addPathAliasAndJoin(
path.substring(0, path.toString().lastIndexOf('.')), name, joinSequence.copy());
componentPath.setLength(0);
currentPropertyMapping = q.getEntityPersister(entityClass);
}
}
