DummyEntity renamed to Message

persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/stringcast/Message.java

@@ -3,13 +3,12 @@ package com.baeldung.jpa.stringcast;
 import javax.persistence.*;
 
 @SqlResultSetMapping(name = "textQueryMapping", classes = {
-  @ConstructorResult(targetClass = DummyEntity.class, columns = {
+  @ConstructorResult(targetClass = Message.class, columns = {
     @ColumnResult(name = "text")
   })
 })
 @Entity
-@Table(name = "dummy")
-public class DummyEntity {
+public class Message {
 
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
@@ -17,11 +16,11 @@ public class DummyEntity {
 
     private String text;
 
-    public DummyEntity() {
+    public Message() {
 
     }
 
-    public DummyEntity(String text) {
+    public Message(String text) {
         this.text = text;
     }
 

persistence-modules/java-jpa/src/main/resources/META-INF/persistence.xml

@@ -23,7 +23,7 @@
 
     <persistence-unit name="jpa-h2">
         <provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
-        <class>com.baeldung.jpa.stringcast.DummyEntity</class>
+        <class>com.baeldung.jpa.stringcast.Message</class>
         <properties>
             <property name="javax.persistence.jdbc.driver" value="org.h2.Driver" />
             <property name="javax.persistence.jdbc.url" value="jdbc:h2:mem:test" />

persistence-modules/java-jpa/src/test/java/com/baeldung/jpa/stringcast/SpringCastUnitTest.java

@@ -3,10 +3,7 @@ package com.baeldung.jpa.stringcast;
 import org.junit.BeforeClass;
 import org.junit.Test;
 
-import javax.persistence.EntityManager;
-import javax.persistence.EntityManagerFactory;
-import javax.persistence.EntityTransaction;
-import javax.persistence.Persistence;
+import javax.persistence.*;
 import java.util.List;
 
 import static org.junit.Assert.assertEquals;
@@ -22,18 +19,18 @@ public class SpringCastUnitTest {
         em = emFactory.createEntityManager();
 
         // insert an object into the db
-        DummyEntity dummyEntity = new DummyEntity();
-        dummyEntity.setText("text");
+        Message message = new Message();
+        message.setText("text");
 
         EntityTransaction tr = em.getTransaction();
         tr.begin();
-        em.persist(dummyEntity);
+        em.persist(message);
         tr.commit();
     }
 
     @Test(expected = ClassCastException.class)
     public void givenExecutorNoCastCheck_whenQueryReturnsOneColumn_thenClassCastThrown() {
-        List<String[]> results = QueryExecutor.executeNativeQueryNoCastCheck("select text from dummy", em);
+        List<String[]> results = QueryExecutor.executeNativeQueryNoCastCheck("select text from message", em);
 
         // fails
         for (String[] row : results) {
@@ -43,13 +40,13 @@ public class SpringCastUnitTest {
 
     @Test
     public void givenExecutorWithCastCheck_whenQueryReturnsOneColumn_thenNoClassCastThrown() {
-        List<String[]> results = QueryExecutor.executeNativeQueryWithCastCheck("select text from dummy", em);
+        List<String[]> results = QueryExecutor.executeNativeQueryWithCastCheck("select text from message", em);
         assertEquals("text", results.get(0)[0]);
     }
 
     @Test
     public void givenExecutorGeneric_whenQueryReturnsOneColumn_thenNoClassCastThrown() {
-        List<DummyEntity> results = QueryExecutor.executeNativeQueryGeneric("select text from dummy", "textQueryMapping", em);
+        List<Message> results = QueryExecutor.executeNativeQueryGeneric("select text from message", "textQueryMapping", em);
         assertEquals("text", results.get(0).getText());
     }
 

persistence-modules/java-jpa/src/test/resources/persistence.xml

@@ -20,7 +20,7 @@
 
 	<persistence-unit name="jpa-h2">
 		<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
-		<class>com.baeldung.jpa.stringcast.DummyEntity</class>
+		<class>com.baeldung.jpa.stringcast.Message</class>
 		<properties>
 			<property name="javax.persistence.jdbc.driver" value="org.h2.Driver" />
 			<property name="javax.persistence.jdbc.url" value="jdbc:h2:mem:test" />