git.gumartinm.name Git - JavaForFun/blob

   1 package de.spring.example.persistence.domain.specifications;
   2
   3 import java.time.LocalDate;
   4
   5 //import javax.persistence.criteria.CriteriaBuilder;
   6 //import javax.persistence.criteria.CriteriaQuery;
   7 //import javax.persistence.criteria.Predicate;
   8 //import javax.persistence.criteria.Root;
   9
  10 import org.springframework.data.jpa.domain.Specification;
  11
  12 import de.spring.example.persistence.domain.Ad;
  13
  14 public class AdSpectifications {
  15
  16 //      public static Specification<Ad> createdToday() {
  17 //              return new Specification<Ad>() {
  18 //
  19 //                      @Override
  20 //                      public Predicate toPredicate(Root<Ad> root, CriteriaQuery<?> query, CriteriaBuilder cb) {
  21 //                              final LocalDate date = LocalDate.now();
  22 //
  23 //                              return cb.equal(root.get("createdAt"), date);
  24 //                      }
  25 //
  26 //              };
  27 //
  28 //      }
  29
  30         /**
  31          * The same using lambda expressions
  32          */
  33         public static Specification<Ad> createdToday() {
  34                 return (root, query, cb) -> {
  35                         final LocalDate date = LocalDate.now();
  36
  37                         return cb.equal(root.get("createdAt"), date);
  38         };
  39         }
  40
  41 //      public static Specification<Ad> mobileImage(String image) {
  42 //              return new Specification<Ad>() {
  43 //
  44 //                      @Override
  45 //                      public Predicate toPredicate(Root<Ad> root, CriteriaQuery<?> query, CriteriaBuilder cb) {
  46 //
  47 //                              return cb.equal(root.get("adMobileImage"), image);
  48 //                      }
  49 //
  50 //              };
  51 //
  52 //      }
  53
  54         /**
  55          * The same using lambda expressions
  56          */
  57         public static Specification<Ad> mobileImage(String image) {
  58                 return (root, query, cb) -> {
  59                         return cb.equal(root.get("adMobileImage"), image);
  60         };
  61         }
  62 }