use of javax.persistence.criteria.SetJoin in project hibernate-orm by hibernate.
the class AbstractFromImpl method joinSet.
@Override
@SuppressWarnings({ "unchecked" })
public <X, Y> SetJoin<X, Y> joinSet(String attributeName, JoinType jt) {
final Attribute<X, ?> attribute = (Attribute<X, ?>) locateAttribute(attributeName);
if (!attribute.isCollection()) {
throw new IllegalArgumentException("Requested attribute was not a set");
}
final PluralAttribute pluralAttribute = (PluralAttribute) attribute;
if (!PluralAttribute.CollectionType.SET.equals(pluralAttribute.getCollectionType())) {
throw new IllegalArgumentException("Requested attribute was not a set");
}
return (SetJoin<X, Y>) join((SetAttribute) attribute, jt);
}
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