Hibernate immutable (#1333)

* Add project for hibernate immutable article Add Event entity Add hibernate configuration file Add hibernateutil for configuration Add test to match snippets from article * Create README.md * Update README.md * Migrate hibernate-immutable to spring-hibernate-4 Include integration test Add immutable.cfg.xml Include util for configuration * Remove project for hibernate-immutable
2017-03-09 07:06:51 -06:00
parent a5f8bf91be
commit 273394fe4e
4 changed files with 209 additions and 0 deletions
@@ -0,0 +1,84 @@
+package com.baeldung.hibernate.immutable;
+
+import com.baeldung.hibernate.immutable.entities.Event;
+import com.baeldung.hibernate.immutable.util.HibernateUtil;
+import org.hibernate.HibernateException;
+import org.hibernate.Session;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+
+public class HibernateImmutableIntegrationTest {
+    private Session session;
+    @Rule
+    public final ExpectedException exception = ExpectedException.none();
+
+    @Before
+    public void setup() {
+        session = HibernateUtil.getSessionFactory().getCurrentSession();
+        session.beginTransaction();
+        createEvent();
+    }
+
+    @After
+    public void teardown() {
+        HibernateUtil.getSessionFactory().close();
+    }
+
+    @Test
+    public void addEvent() {
+        Event event = new Event();
+        event.setTitle("Public Event");
+        session.save(event);
+        session.getTransaction().commit();
+    }
+
+    @Test
+    public void updateEvent() {
+        Event event = (Event) session.createQuery(
+                "FROM Event WHERE title='My Event'").list().get(0);
+        event.setTitle("Private Event");
+        session.saveOrUpdate(event);
+        session.getTransaction().commit();
+    }
+
+    @Test
+    public void deleteEvent() {
+        Event event = (Event) session.createQuery(
+                "FROM Event WHERE title='My Event'").list().get(0);
+        session.delete(event);
+        session.getTransaction().commit();
+    }
+
+    @Test
+    public void addGuest() {
+        Event event = (Event) session.createQuery(
+                "FROM Event WHERE title='New Event'").list().get(0);
+        String newGuest = "Sara";
+        event.getGuestList().add(newGuest);
+
+        exception.expect(HibernateException.class);
+        session.save(event);
+        session.getTransaction().commit();
+    }
+
+    @Test
+    public void deleteCascade() {
+        Event event = (Event) session.createQuery(
+                "FROM Event WHERE title='New Event'").list().get(0);
+        String guest = event.getGuestList().iterator().next();
+        event.getGuestList().remove(guest);
+
+        exception.expect(HibernateException.class);
+        session.saveOrUpdate(event);
+        session.getTransaction().commit();
+    }
+
+    public void createEvent() {
+        Event event = new Event();
+        event.setTitle("New Event");
+        session.save(event);
+    }
+}