Review fixes for hibernate-4.0:javaagent

Automated code review of instrumentation/hibernate/hibernate-4.0/javaagent.

Author: otelbot[bot]

instrumentation/hibernate/hibernate-4.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/hibernate/v4_0/EntityNameUtil.java

@@ -12,7 +12,9 @@
 
 public class EntityNameUtil {
 
-  private EntityNameUtil() {}
+  public static Function<Object, String> bestGuessEntityName(SharedSessionContract session) {
+    return entity -> bestGuessEntityName(session, entity);
+  }
 
   private static String bestGuessEntityName(SharedSessionContract session, Object entity) {
     if (entity == null) {
@@ -28,7 +30,5 @@ private static String bestGuessEntityName(SharedSessionContract session, Object
     return null;
   }
 
-  public static Function<Object, String> bestGuessEntityName(SharedSessionContract session) {
-    return (entity) -> bestGuessEntityName(session, entity);
-  }
+  private EntityNameUtil() {}
 }

instrumentation/hibernate/hibernate-4.0/javaagent/src/test/java/io/opentelemetry/javaagent/instrumentation/hibernate/v4_0/EntityManagerTest.java

@@ -50,7 +50,7 @@
 
 class EntityManagerTest extends AbstractHibernateTest {
 
-  static final EntityManagerFactory entityManagerFactory =
+  private static final EntityManagerFactory entityManagerFactory =
       Persistence.createEntityManagerFactory("test-pu");
 
   @AfterAll

instrumentation/hibernate/hibernate-4.0/javaagent/src/test/java/spring/jpa/SpringJpaTest.java

@@ -39,9 +39,9 @@ class SpringJpaTest {
   @RegisterExtension
   protected static final InstrumentationExtension testing = AgentInstrumentationExtension.create();
 
-  AnnotationConfigApplicationContext context =
+  private final AnnotationConfigApplicationContext context =
       new AnnotationConfigApplicationContext(PersistenceConfig.class);
-  CustomerRepository repo = context.getBean(CustomerRepository.class);
+  private final CustomerRepository repo = context.getBean(CustomerRepository.class);
 
   @AfterEach
   void closeContext() {