Fini CriteriaTest

src/main/java/jpa/JpaTest.java

@@ -3,14 +3,13 @@ package jpa;
 
 import jakarta.persistence.EntityManager;
 import jakarta.persistence.EntityTransaction;
+import jakarta.persistence.criteria.*;
 import metier.*;
 
 import java.util.ArrayList;
 import java.util.List;
 
 public class JpaTest {
-
-
     private EntityManager manager;
 
     public JpaTest(EntityManager manager) {
@@ -28,16 +27,17 @@ public class JpaTest {
         EntityTransaction tx = manager.getTransaction();
         tx.begin();
         try {
-            //test.create_user_test();
-            //test.create_session_test();
+            test.create_user_test();
+            test.create_session_test();
+            test.create_quizz_test(1,1);
             //test.list_utilisateur();
             //test.list_session();
+            test.list_quizz();
         } catch (Exception e) {
             e.printStackTrace();
         }
         tx.commit();
 
-
         manager.close();
         EntityManagerHelper.closeEntityManagerFactory();
         System.out.println(".. done");
@@ -58,7 +58,6 @@ public class JpaTest {
             manager.persist(utilisateur1);
             manager.persist(utilisateur2);
         }
-
     }
 
     private void create_session_test() {
@@ -73,20 +72,27 @@ public class JpaTest {
             List<Utilisateur> ulist = manager.createQuery("select user from Utilisateur user").getResultList();
             session1.setUtilisateurs(ulist);
 
-
             manager.persist(session1);
         }
     }
 
     private void list_utilisateur() {
-        List<Utilisateur> result_utilisatuer_list = manager.createQuery("select u from Utilisateur u", Utilisateur.class).getResultList();
+        CriteriaBuilder criteriaBuilder = manager.getCriteriaBuilder();
+        CriteriaQuery<Utilisateur> query = criteriaBuilder.createQuery(Utilisateur.class);
+        Root<Utilisateur> from = query.from(Utilisateur.class);
+        query.select(from);
+        List<Utilisateur> result_utilisatuer_list = manager.createQuery(query).getResultList();
         for (Utilisateur u : result_utilisatuer_list) {
             System.out.println(u.getId() + " " + u.getName() + " " + u.getEmail());
         }
     }
 
     private void list_session() {
-        List<Session> result_session_list = manager.createQuery("select s from Session s", Session.class).getResultList();
+        CriteriaBuilder criteriaBuilder = manager.getCriteriaBuilder();
+        CriteriaQuery<Session> query = criteriaBuilder.createQuery(Session.class);
+        Root<Session> from = query.from(Session.class);
+        query.select(from);
+        List<Session> result_session_list = manager.createQuery(query).getResultList();
         for (Session s : result_session_list) {
             System.out.println(s.getCodePIN() + " " + s.getTheme());
             for (Utilisateur u : s.getUtilisateurs()) {
@@ -94,4 +100,51 @@ public class JpaTest {
             }
         }
     }
+
+    private void create_quizz_test(int userId, int sessionId) {
+
+        CriteriaBuilder cb = manager.getCriteriaBuilder();
+
+        //GET USER
+        CriteriaQuery<Utilisateur> cqUser = cb.createQuery(Utilisateur.class);
+        Root<Utilisateur> userRoot = cqUser.from(Utilisateur.class);
+        cqUser.select(userRoot).where(cb.equal(userRoot.get("id"), userId));
+        Utilisateur u1 = manager.createQuery(cqUser).getSingleResult();
+
+        //GET SESSION
+        CriteriaQuery<Session> cqSess = cb.createQuery(Session.class);
+        Root<Session> sessRoot = cqSess.from(Session.class);
+        cqSess.select(sessRoot).where(cb.equal(sessRoot.get("id"), sessionId));
+        Session s1 = manager.createQuery(cqSess).getSingleResult();
+
+        List<Session> ls= u1.getSession();
+        ls.add(s1);
+        u1.setSession(ls);
+        Quizz quizz1 = new Quizz();
+        quizz1.setUtilisateur(u1);
+        quizz1.setSession(s1);
+
+        manager.persist(quizz1);
+        manager.merge(u1);
+        manager.persist(s1);
+    }
+
+    private void list_quizz() {
+        CriteriaBuilder cb = manager.getCriteriaBuilder();
+        CriteriaQuery<Quizz> cq = cb.createQuery(Quizz.class);
+        Root<Quizz> from = cq.from(Quizz.class);
+
+        List<Integer> sessionIds = new ArrayList<>();
+        sessionIds.add(1);
+        //https://www.w3schools.com/SQL/sql_join_inner.asp
+        //https://stackoverflow.com/questions/15990141/how-to-make-a-criteriabuilder-join-with-a-custom-on-condition
+        Join<Quizz, Session> sessionJoin = from.join("session", JoinType.INNER);
+        cq.select(from).where(sessionJoin.get("id").in(sessionIds));
+
+        List<Quizz> quizzs = manager.createQuery(cq).getResultList();
+        for (Quizz q : quizzs) {
+            System.out.println("Quizz ID: " + q.getId() + ", User: " + q.getUtilisateur().getName() +
+                    ", Session ID: " + q.getSession().getId());
+        }
+    }
 }

src/main/java/metier/Reponse.java

@@ -27,5 +27,4 @@ public abstract class Reponse implements Serializable {
     public String valHTML(){
         return "";
     }
-
 }