public Page<Category> findAll(final int pageNumber, final int pageSize, final Integer type) {
PageRequest pageRequest =
new PageRequest(pageNumber - 1, pageSize, new Sort(Direction.DESC, "id"));
Specification<Category> spec =
new Specification<Category>() {
public Predicate toPredicate(
Root<Category> root, CriteriaQuery<?> query, CriteriaBuilder cb) {
Predicate predicate = cb.conjunction();
if (type != null) {
predicate.getExpressions().add(cb.equal(root.get("type").as(Integer.class), type));
}
return predicate;
}
};
Page<Category> result = (Page<Category>) categoryRepository.findAll(spec, pageRequest);
return result;
}
public List<Category> findAll() {
return (List<Category>) categoryRepository.findAll(new Sort(Direction.DESC, "id"));
}
public List<Category> findTop3() {
return categoryRepository
.findAll(new PageRequest(0, 15, new Sort(Direction.DESC, "createDate")))
.getContent();
}