cleanup of examples

Author: eugenp

spring-exceptions/src/main/java/org/baeldung/ex/mappingexception/cause1/persistence/dao/FooDao.java

@@ -3,27 +3,29 @@
 import static org.apache.commons.lang3.RandomStringUtils.randomAlphabetic;
 
 import org.baeldung.ex.mappingexception.cause1.persistence.model.Foo;
-import org.baeldung.ex.mappingexception.cause1.persistence.service.IFooService;
 import org.baeldung.ex.mappingexception.spring.Cause1PersistenceConfig;
+import org.hibernate.SessionFactory;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.test.context.ContextConfiguration;
 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 import org.springframework.test.context.support.AnnotationConfigContextLoader;
+import org.springframework.transaction.annotation.Transactional;
 
 @RunWith(SpringJUnit4ClassRunner.class)
 @ContextConfiguration(classes = { Cause1PersistenceConfig.class }, loader = AnnotationConfigContextLoader.class)
 public class Cause1MappingExceptionIntegrationTest {
 
     @Autowired
-    private IFooService fooApi;
+    private SessionFactory sessionFactory;
 
     // tests
 
     @Test
+    @Transactional
     public final void givenEntityIsPersisted_thenException() {
-        fooApi.create(new Foo(randomAlphabetic(6)));
+        sessionFactory.getCurrentSession().saveOrUpdate(new Foo(randomAlphabetic(6)));
     }
 
 }

spring-exceptions/src/main/java/org/baeldung/ex/mappingexception/cause1/persistence/dao/IFooDao.java

@@ -3,27 +3,29 @@
 import static org.apache.commons.lang3.RandomStringUtils.randomAlphabetic;
 
 import org.baeldung.ex.mappingexception.cause2.persistence.model.Foo;
-import org.baeldung.ex.mappingexception.cause2.persistence.service.IFooService;
 import org.baeldung.ex.mappingexception.spring.Cause2PersistenceConfig;
+import org.hibernate.SessionFactory;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.test.context.ContextConfiguration;
 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 import org.springframework.test.context.support.AnnotationConfigContextLoader;
+import org.springframework.transaction.annotation.Transactional;
 
 @RunWith(SpringJUnit4ClassRunner.class)
 @ContextConfiguration(classes = { Cause2PersistenceConfig.class }, loader = AnnotationConfigContextLoader.class)
 public class Cause2MappingExceptionIntegrationTest {
 
     @Autowired
-    private IFooService fooApi;
+    private SessionFactory sessionFactory;
 
     // tests
 
     @Test
+    @Transactional
     public final void givenEntityIsPersisted_thenException() {
-        fooApi.create(new Foo(randomAlphabetic(6)));
+        sessionFactory.getCurrentSession().saveOrUpdate(new Foo(randomAlphabetic(6)));
     }
 
 }