[resolves wildfly-extras#6], [resolves wildfly-extras#56]. Use plain …

…jee jpa instead of hibernate. Also add generated dirs to gitignore list

.gitignore

@@ -4,3 +4,4 @@
 .settings
 target
 *.iml
+input

examples/camel-jpa/pom.xml

@@ -83,12 +83,6 @@
             <artifactId>jboss-ejb-api_3.2_spec</artifactId>
             <scope>provided</scope>
         </dependency>
-        <dependency>
-            <groupId>org.hibernate</groupId>
-            <artifactId>hibernate-core</artifactId>
-            <version>4.3.5.Final</version>
-            <scope>provided</scope>
-        </dependency>
 
         <!-- Test Scope -->
         <dependency>

examples/camel-jpa/src/main/java/org/wildfly/camel/examples/jpa/CustomerRepository.java

@@ -19,12 +19,12 @@
  */
 package org.wildfly.camel.examples.jpa;
 
-import org.hibernate.Criteria;
-import org.hibernate.Session;
 import org.wildfly.camel.examples.jpa.model.Customer;
 
 import javax.inject.Inject;
 import javax.persistence.EntityManager;
+import javax.persistence.criteria.CriteriaBuilder;
+import javax.persistence.criteria.CriteriaQuery;
 import java.util.List;
 
 
@@ -40,8 +40,10 @@ public class CustomerRepository {
     @SuppressWarnings("unchecked")
     public List<Customer> findAllCustomers() {
 
-        Session session = (Session) em.getDelegate();
-        Criteria criteria = session.createCriteria(Customer.class);
-        return (List<Customer>) criteria.list();
+        CriteriaBuilder criteriaBuilder = em.getCriteriaBuilder();
+        CriteriaQuery<Customer> query = criteriaBuilder.createQuery(Customer.class);
+        query.select(query.from(Customer.class));
+
+        return em.createQuery(query).getResultList();
     }
 }

examples/camel-jpa/src/main/resources/META-INF/persistence.xml

@@ -25,9 +25,6 @@ limitations under the License.
         http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">
     <persistence-unit name="camel">
         <jta-data-source>java:jboss/datasources/ExampleDS</jta-data-source>
-        <properties>
-            <property name="hibernate.hbm2ddl.auto" value="create-drop"/>
-            <property name="hibernate.show_sql" value="false"/>
-        </properties>
+        <class>org.wildfly.camel.examples.jpa.model.Customer</class>
     </persistence-unit>
 </persistence>