DAO commit

src/main/java/DAO/ChoixDAO.java

@@ -1,4 +0,0 @@
-package DAO;
-
-public class ChoixDAO {
-}

src/main/java/DAO/Generic.java

@@ -0,0 +1,13 @@
+package DAO;
+
+import java.io.Serializable;
+import java.util.List;
+
+public interface Generic<K, T extends Serializable> {
+    void create(final T entity);
+    T findById(final K id);
+    T update(final T entity);
+    void delete(final T entity);
+    void deleteById(final K id);
+    List<T> findAll();
+}

src/main/java/DAO/GenericDAOImpl.java

@@ -0,0 +1,60 @@
+package DAO;
+
+import jakarta.persistence.EntityManager;
+import jakarta.persistence.EntityTransaction;
+import jakarta.persistence.PersistenceException;
+import jpa.EntityManagerHelper;
+
+import java.io.Serializable;
+import java.util.List;
+
+public abstract class GenericDAOImpl<K, T extends Serializable> implements Generic<K, T> {
+    protected EntityManager em;
+    private Class<T> entityClass;
+
+    public GenericDAOImpl() {
+        this.em = EntityManagerHelper.getEntityManager();
+    }
+
+    //Pour connaitre qu'on travaille avec quelle classe
+    public void setClass(Class<T> class2){
+        this.entityClass= class2;
+    }
+
+    public List<T> findAll() {
+        return em.createQuery("select e from " + entityClass.getName() + " as e", entityClass).getResultList();
+    }
+
+    //CRUD
+    public void create(T entity){
+        EntityTransaction t = em.getTransaction();
+        t.begin();
+        em.persist(entity);
+        t.commit();
+    }
+
+    public T findById(K id) {
+        return em.find(entityClass, id);
+    }
+
+    public T update(T entity){
+        EntityTransaction t = em.getTransaction();
+        t.begin();
+        T T_sync = em.merge(entity);
+        t.commit();
+        return T_sync;
+    }
+
+    public void delete(T entity){
+        EntityTransaction t = em.getTransaction();
+        t.begin();
+        em.remove(entity);
+        t.commit();
+    }
+
+    public void deleteById(K id) {
+        T T_to_be_deleted = em.find(entityClass, id);
+        em.remove(T_to_be_deleted);
+    }
+}
+

src/main/java/DAO/QuestionDAO.java

@@ -1,4 +1,10 @@
 package DAO;
 
-public class QuestionDAO {
+import metier.Question;
+
+public class QuestionDAO extends GenericDAOImpl<Integer, Question> {
+    public QuestionDAO(){
+        super();
+        this.setClass(Question.class);
+    }
 }

src/main/java/DAO/QuizzDAO.java

@@ -1,4 +1,10 @@
 package DAO;
 
-public class QuizzDAO {
+import metier.Quizz;
+
+public class QuizzDAO extends  GenericDAOImpl<Integer, Quizz>{
+    public QuizzDAO(){
+        super();
+        this.setClass(Quizz.class);
+    }
 }

src/main/java/DAO/ReponseCourteDAO.java

@@ -1,5 +0,0 @@
-package DAO;
-
-public class ReponseCourteDAO {
-
-}

src/main/java/DAO/ReponseDAO.java

@@ -1,4 +1,11 @@
 package DAO;
 
-public class ReponseDAO {
+import metier.Reponse;
+
+public class ReponseDAO extends GenericDAOImpl<Integer, Reponse> {
+    public ReponseDAO(){
+        super();
+        this.setClass(Reponse.class);
+    }
+
 }

src/main/java/DAO/SessionDAO.java

@@ -1,4 +1,12 @@
 package DAO;
 
-public class SessionDAO {
+
+import metier.Session;
+
+public class SessionDAO extends GenericDAOImpl<Integer, Session> {
+    public SessionDAO() {
+        super();
+        this.setClass(Session.class);
+    }
+
 }

src/main/java/DAO/Tous.java

@@ -1,14 +0,0 @@
-package DAO;
-
-import java.io.Serializable;
-import java.util.List;
-
-public interface Tous<T, Id extends Serializable> {
-    T create(T t);
-    T update(T t);
-    T read(Id id);
-    void delete(T t);
-    List<T> findAll();
-
-    T save(T t);
-}

src/main/java/DAO/TousDAOImpl.java

@@ -1,31 +0,0 @@
-package DAO;
-
-import jakarta.persistence.EntityManager;
-import jakarta.persistence.EntityTransaction;
-import jakarta.persistence.PersistenceException;
-import jpa.EntityManagerHelper;
-
-import java.io.Serializable;
-
-public abstract class TousDAOImpl<T, Id extends Serializable> implements Tous<T, Id> {
-    protected EntityManager em;
-    private Class<T> entityClass;
-
-    public TousDAOImpl() {
-        this.em = EntityManagerHelper.getEntityManager();
-    }
-
-    @Override
-    public T save(T t) {
-        EntityTransaction tx = em.getTransaction();
-        try {
-            tx.begin();
-            em.persist(t);
-            tx.commit();
-            return t;
-        } catch (PersistenceException e) {
-            throw new PersistenceException(e.getMessage());
-        }
-    }
-}
-

src/main/java/DAO/UtilisateurDAO.java

@@ -1,4 +1,12 @@
 package DAO;
 
-public class UtilisateurDAO {
+import metier.Utilisateur;
+
+public class UtilisateurDAO extends GenericDAOImpl<Integer, Utilisateur>{
+    public UtilisateurDAO() {
+        super();
+        this.setClass(Utilisateur.class);
+    }
+
+
 }