Merge branch 'master' of github.com:vladmihalcea/hibernate-master-class

core/src/test/java/com/vladmihalcea/hibernate/masterclass/laboratory/cascade/ManyToManyCascadeDoneRightTest.java → core/src/test/java/com/vladmihalcea/hibernate/masterclass/laboratory/cascade/ManyToManyCascadeDissociationTest.java

@@ -16,7 +16,7 @@
  *
  * @author Vlad Mihalcea
  */
-public class ManyToManyCascadeDoneRightTest extends AbstractTest {
+public class ManyToManyCascadeDissociationTest extends AbstractTest {
 
     @Override
     protected Class<?>[] entities() {
@@ -58,6 +58,7 @@ public void testCascadeTypeDelete() {
             Author _Mark_Armstrong = getByName(session, "Mark Armstrong");
             _Mark_Armstrong.remove();
             session.delete(_Mark_Armstrong);
+            session.flush();
             Author _John_Smith = getByName(session, "John Smith");
             assertEquals(2, _John_Smith.books.size());
         });
@@ -66,13 +67,11 @@ public void testCascadeTypeDelete() {
 
     private Author getByName(Session session, String fullName) {
         return (Author) session
-                .createQuery("select a from Author a where a.fullName = :fullName")
+                .createQuery("select a from Author a join fetch a.books where a.fullName = :fullName")
                 .setParameter("fullName", fullName)
                 .uniqueResult();
     }
 
-
-
     @Entity(name = "Author")
     public static class Author {
 

core/src/test/java/com/vladmihalcea/hibernate/masterclass/laboratory/mapping/OneTableMultipleEntitiesTest.java

@@ -0,0 +1,121 @@
+package com.vladmihalcea.hibernate.masterclass.laboratory.mapping;
+
+import com.vladmihalcea.hibernate.masterclass.laboratory.util.AbstractTest;
+import org.hibernate.annotations.DynamicUpdate;
+import org.hibernate.annotations.Immutable;
+import org.junit.Before;
+import org.junit.Test;
+
+import javax.persistence.*;
+
+import static org.junit.Assert.assertEquals;
+
+
+/**
+ * OneTableMultipleEntitiesTest - Test to check the one table multiple entities
+ *
+ * @author Vlad Mihalcea
+ */
+public class OneTableMultipleEntitiesTest extends AbstractTest {
+
+    @Override
+    protected Class<?>[] entities() {
+        return new Class<?>[]{
+                Post.class,
+                PostSummary.class,
+                UpdatablePostSummary.class
+        };
+    }
+
+    @Before
+    public void init() {
+        super.init();
+        doInTransaction(session -> {
+            Post post = new Post();
+            post.setName("Hibernate Master Class");
+            post.setDescription("Hibernate Master Class Description");
+            session.persist(post);
+        });
+    }
+
+    @Test
+    public void testOneTableMultipleEntities() {
+        doInTransaction(session -> {
+            Post post = (Post) session.get(Post.class, 1L);
+            PostSummary postSummary = (PostSummary) session.get(PostSummary.class, 1L);
+            UpdatablePostSummary updatablePostSummary = (UpdatablePostSummary) session.get(UpdatablePostSummary.class, 1L);
+            assertEquals(post.getName(), postSummary.getName());
+            assertEquals(post.getName(), updatablePostSummary.getName());
+            updatablePostSummary.setName("Hibernate Master Class Tutorial.");
+        });
+    }
+
+    @Entity(name = "Post")
+    public static class Post {
+
+        @Id
+        @GeneratedValue(strategy=GenerationType.AUTO)
+        private Long id;
+
+        private String name;
+
+        private String description;
+
+        public String getName() {
+            return name;
+        }
+
+        public void setName(String name) {
+            this.name = name;
+        }
+
+        public String getDescription() {
+            return description;
+        }
+
+        public void setDescription(String description) {
+            this.description = description;
+        }
+    }
+
+    @Entity(name = "PostSummary")
+    @Table(name = "Post")
+    @Immutable
+    public static class PostSummary {
+
+        @Id
+        @GeneratedValue(strategy = GenerationType.AUTO)
+        private Long id;
+
+        private String name;
+
+        public String getName() {
+            return name;
+        }
+
+        public void setName(String name) {
+            this.name = name;
+        }
+    }
+
+    @Entity(name = "UpdatablePostSummary")
+    @Table(name = "Post")
+    @DynamicUpdate
+    public static class UpdatablePostSummary {
+
+        @Id
+        @GeneratedValue(strategy = GenerationType.AUTO)
+        private Long id;
+
+        private String name;
+
+        public String getName() {
+            return name;
+        }
+
+        public void setName(String name) {
+            this.name = name;
+        }
+    }
+
+}