PersoonFilterFactory.java 文件源码

@Override
public Predicate toPredicate(final Root<?> persoonRoot, final CriteriaQuery<?> query, final CriteriaBuilder cb) {
    final Root<PersoonAdres> persoonAdressenRoot = query.from(PersoonAdres.class);
    final Predicate joinPredicateAdressen = persoonRoot.get(ID).in(persoonAdressenRoot.get(PERSOON).get(ID));
    final Predicate adresPredicate;
    if (likePredicate) {
        final Expression<String> attributeExpression = cb.lower(cb.function(UNACCENT, String.class, persoonAdressenRoot.get(field)));
        final Expression<String> valueExpression =
                cb.lower(
                        cb.function(
                                UNACCENT,
                                String.class,
                                cb.concat(cb.concat(cb.literal(WILDCARD), cb.literal(value.toString())), cb.literal(WILDCARD))));
        adresPredicate = cb.like(attributeExpression, valueExpression);
    } else {
        adresPredicate = cb.equal(persoonAdressenRoot.get(field), value);
    }
    return cb.and(joinPredicateAdressen, adresPredicate);
}