protected void setRelatedClassType(
GrailsHibernateDomainClassProperty prop, AssociationType assType, Type hibernateType) {
try {
String associatedEntity =
assType.getAssociatedEntityName((SessionFactoryImplementor) getSessionFactory());
ClassMetadata associatedMetaData = getSessionFactory().getClassMetadata(associatedEntity);
prop.setRelatedClassType(associatedMetaData.getMappedClass(EntityMode.POJO));
} catch (MappingException me) {
// other side must be a value object
if (hibernateType.isCollectionType()) {
prop.setRelatedClassType(Collection.class);
}
}
}
private CriteriaInfoProvider getPathInfo(String path) {
StringTokenizer tokens = new StringTokenizer(path, ".");
String componentPath = "";
// start with the 'rootProvider'
CriteriaInfoProvider provider = nameCriteriaInfoMap.get(rootEntityName);
while (tokens.hasMoreTokens()) {
componentPath += tokens.nextToken();
Type type = provider.getType(componentPath);
if (type.isAssociationType()) {
// CollectionTypes are always also AssociationTypes - but there's not always an associated
// entity...
AssociationType atype = (AssociationType) type;
CollectionType ctype = type.isCollectionType() ? (CollectionType) type : null;
Type elementType = (ctype != null) ? ctype.getElementType(sessionFactory) : null;
// is the association a collection of components or value-types? (i.e a colloction of valued
// types?)
if (ctype != null && elementType.isComponentType()) {
provider =
new ComponentCollectionCriteriaInfoProvider(
helper.getCollectionPersister(ctype.getRole()));
} else if (ctype != null && !elementType.isEntityType()) {
provider = new ScalarCollectionCriteriaInfoProvider(helper, ctype.getRole());
} else {
provider =
new EntityCriteriaInfoProvider(
(Queryable)
sessionFactory.getEntityPersister(
atype.getAssociatedEntityName(sessionFactory)));
}
componentPath = "";
} else if (type.isComponentType()) {
if (!tokens.hasMoreTokens()) {
throw new QueryException(
"Criteria objects cannot be created directly on components. Create a criteria on owning entity and use a dotted property to access component property: "
+ path);
} else {
componentPath += '.';
}
} else {
throw new QueryException("not an association: " + componentPath);
}
}
return provider;
}
private String getPathEntityName(String path) {
Queryable persister = (Queryable) sessionFactory.getEntityPersister(rootEntityName);
StringTokenizer tokens = new StringTokenizer(path, ".");
String componentPath = "";
while (tokens.hasMoreTokens()) {
componentPath += tokens.nextToken();
Type type = persister.toType(componentPath);
if (type.isAssociationType()) {
AssociationType atype = (AssociationType) type;
persister =
(Queryable)
sessionFactory.getEntityPersister(atype.getAssociatedEntityName(sessionFactory));
componentPath = "";
} else if (type.isComponentType()) {
componentPath += '.';
} else {
throw new QueryException("not an association: " + componentPath);
}
}
return persister.getEntityName();
}
@Override
protected Class getClassForAssociationType(AssociationType type) {
String otherSideEntityName =
type.getAssociatedEntityName((SessionFactoryImplementor) sessionFactory);
return sessionFactory.getClassMetadata(otherSideEntityName).getMappedClass(EntityMode.POJO);
}
