Merge branch 'master' into BAEL-16646-2

jee-7/src/main/java/com/baeldung/arquillian/CarEJB.java

@@ -0,0 +1,35 @@
+package com.baeldung.arquillian;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.ejb.Stateless;
+import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
+import javax.persistence.Query;
+
+@Stateless
+public class CarEJB {
+    @PersistenceContext(unitName = "defaultPersistenceUnit")
+    private EntityManager em;
+
+    public Car saveCar(final Car car) {
+        em.persist(car);
+        return car;
+    }
+
+    @SuppressWarnings("unchecked")
+    public List<Car> findAllCars() {
+        final Query query = em.createQuery("SELECT b FROM Car b ORDER BY b.name ASC");
+        List<Car> entries = query.getResultList();
+        if (entries == null) {
+            entries = new ArrayList<Car>();
+        }
+        return entries;
+    }
+
+    public void deleteCar(Car car) {
+        car = em.merge(car);
+        em.remove(car);
+    }
+}