findAll

PC27-Hibernate/src/main/java/przyklady/OdczytajWszystko_JPQL.java

+package przyklady;
+
+import java.util.List;
+
+import javax.persistence.EntityManager;
+import javax.persistence.EntityManagerFactory;
+import javax.persistence.Persistence;
+import javax.persistence.TypedQuery;
+
+import sklep.model.Product;
+
+public class OdczytajWszystko_JPQL {
+
+	public static void main(String[] args) {
+		// JPQL - Java (Jakarta) Persistence Query Language
+		
+		EntityManagerFactory emf = null;
+        EntityManager em = null;
+        try {
+            emf = Persistence.createEntityManagerFactory("sklep");
+            em = emf.createEntityManager();
+            
+            TypedQuery<Product> query = em.createQuery("SELECT p FROM Product p ORDER BY p.productId", Product.class);
+            List<Product> products = query.getResultList();
+            for(Product product : products) {
+				// System.out.println(product);
+				System.out.println(product.getProductName() + " za cenę " + product.getPrice());
+			}
+        } catch(Exception e) {
+            e.printStackTrace();
+        } finally {
+            if(em != null)
+                em.close();
+            if(emf != null)
+                emf.close();
+        }
+	}
+
+}

PC27-Hibernate/src/main/java/przyklady/OdczytajWszystko_NamedQuery.java

+package przyklady;
+
+import java.util.List;
+
+import javax.persistence.EntityManager;
+import javax.persistence.EntityManagerFactory;
+import javax.persistence.Persistence;
+import javax.persistence.TypedQuery;
+
+import sklep.model.Product;
+
+public class OdczytajWszystko_NamedQuery {
+
+	public static void main(String[] args) {
+		// JPQL - Java (Jakarta) Persistence Query Language
+		
+		EntityManagerFactory emf = null;
+        EntityManager em = null;
+        try {
+            emf = Persistence.createEntityManagerFactory("sklep");
+            em = emf.createEntityManager();
+            
+            TypedQuery<Product> query = em.createNamedQuery("Product.findAll", Product.class);
+            List<Product> products = query.getResultList();
+            for(Product product : products) {
+				// System.out.println(product);
+				System.out.println(product.getProductName() + " za cenę " + product.getPrice());
+			}
+        } catch(Exception e) {
+            e.printStackTrace();
+        } finally {
+            if(em != null)
+                em.close();
+            if(emf != null)
+                emf.close();
+        }
+	}
+
+}

PC27-Hibernate/src/main/java/przyklady/Zapis_Insert.java

@@ -79,6 +79,6 @@ public class Zapis_Insert {
                 em.close();
             if(emf != null)
                 emf.close();
-        }       
+        }
     }
 }