public <E> Predicate byEntitySelectors(
Root<E> root, CriteriaBuilder builder, SearchParameters sp) {
List<EntitySelector<?, ?, ?>> selectors = sp.getEntities();
List<Predicate> predicates = newArrayList();
for (EntitySelector<?, ?, ?> s : selectors) {
@SuppressWarnings("unchecked")
EntitySelector<? super E, ? extends Identifiable<?>, ?> selector =
(EntitySelector<? super E, ? extends Identifiable<?>, ?>) s;
if (selector.isNotEmpty()) {
List<Predicate> selectorPredicates = newArrayList();
for (Identifiable<?> selection : selector.getSelected()) {
selectorPredicates.add(builder.equal(getExpression(root, selector), selection.getId()));
}
if (TRUE == selector.getIncludeNull()) {
selectorPredicates.add(builder.or(builder.isNull(getExpression(root, selector))));
}
predicates.add(JpaUtil.orPredicate(builder, selectorPredicates));
} else if (selector.isIncludeNullSet()) {
if (selector.getIncludeNull()) {
predicates.add(builder.isNull(getExpression(root, selector)));
} else {
predicates.add(builder.isNotNull(getExpression(root, selector)));
}
}
}
return JpaUtil.concatPredicate(sp, builder, predicates);
}
