/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.camel.processor.jpa;
import java.util.List;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import org.apache.camel.CamelContext;
import org.apache.camel.examples.SendEmail;
import org.apache.camel.spring.SpringCamelContext;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.junit.After;
import org.junit.Before;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.transaction.TransactionStatus;
import org.springframework.transaction.support.TransactionCallback;
import org.springframework.transaction.support.TransactionTemplate;
/**
* @version
*/
public abstract class AbstractJpaTest extends CamelTestSupport {
protected ApplicationContext applicationContext;
protected TransactionTemplate transactionTemplate;
protected EntityManager entityManager;
@Before
public void setUp() throws Exception {
super.setUp();
EntityManagerFactory entityManagerFactory = applicationContext.getBean("entityManagerFactory",
EntityManagerFactory.class);
transactionTemplate = applicationContext.getBean("transactionTemplate", TransactionTemplate.class);
entityManager = entityManagerFactory.createEntityManager();
cleanupRepository();
}
@After
public void tearDown() throws Exception {
super.tearDown();
if (entityManager != null) {
entityManager.close();
}
}
@Override
protected CamelContext createCamelContext() throws Exception {
applicationContext = new ClassPathXmlApplicationContext(routeXml());
return SpringCamelContext.springCamelContext(applicationContext);
}
protected void cleanupRepository() {
transactionTemplate.execute(new TransactionCallback<Object>() {
public Object doInTransaction(TransactionStatus arg0) {
entityManager.joinTransaction();
List<?> list = entityManager.createQuery(selectAllString()).getResultList();
for (Object item : list) {
entityManager.remove(item);
}
entityManager.flush();
return Boolean.TRUE;
}
});
}
protected void assertEntityInDB(int size) throws Exception {
assertEntityInDB(size, SendEmail.class);
}
protected void assertEntityInDB(int size, Class entityType) {
List<?> results = entityManager.createQuery("select o from " + entityType.getName() + " o").getResultList();
assertEquals(size, results.size());
assertIsInstanceOf(entityType, results.get(0));
}
protected void saveEntityInDB(final Object entity) {
transactionTemplate.execute(new TransactionCallback<Object>() {
public Object doInTransaction(TransactionStatus status) {
entityManager.joinTransaction();
entityManager.persist(entity);
entityManager.flush();
return null;
}
});
}
protected abstract String routeXml();
protected abstract String selectAllString();
}