/**
* 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 javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import org.apache.camel.Exchange;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.jpa.JpaConstants;
import org.apache.camel.component.jpa.JpaEndpoint;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.examples.SendEmail;
import org.apache.camel.spring.SpringRouteBuilder;
import org.junit.Test;
/**
* @version
*/
public class JpaProducerPassingEntityManagerTest extends AbstractJpaTest {
protected static final String SELECT_ALL_STRING = "select x from " + SendEmail.class.getName() + " x";
@Test
public void testRouteJpa() throws Exception {
MockEndpoint mock = getMockEndpoint("mock:result");
context.startRoute("foo");
JpaEndpoint jpa = context.getEndpoint("jpa://" + SendEmail.class.getName(), JpaEndpoint.class);
EntityManagerFactory emf = jpa.getEntityManagerFactory();
// The entity instance is different if it is retrieved from different EntityManager instance
EntityManager entityManager = emf.createEntityManager();
template.sendBody("direct:start", new SendEmail("foo@beer.org"));
Exchange exchange = mock.getReceivedExchanges().get(0);
SendEmail persistedEntity = exchange.getIn().getBody(SendEmail.class);
SendEmail emfindEntity = entityManager.find(SendEmail.class, persistedEntity.getId());
assertNotSame(emfindEntity, persistedEntity);
entityManager.close();
mock.reset();
// The same EntityManager returns same entity instance from its 1st level cache
entityManager = emf.createEntityManager();
template.sendBodyAndHeader("direct:start", new SendEmail("bar@beer.org"), JpaConstants.ENTITYMANAGER, entityManager);
exchange = mock.getReceivedExchanges().get(0);
persistedEntity = exchange.getIn().getBody(SendEmail.class);
emfindEntity = entityManager.find(SendEmail.class, persistedEntity.getId());
assertSame(emfindEntity, persistedEntity);
entityManager.close();
}
@Override
protected RouteBuilder createRouteBuilder() {
return new SpringRouteBuilder() {
public void configure() {
from("direct:start")
.id("foo")
.to("jpa://" + SendEmail.class.getName() + "?usePassedInEntityManager=true")
.to("mock:result");
}
};
}
@Override
protected String routeXml() {
return "org/apache/camel/processor/jpa/springJpaRouteTest.xml";
}
@Override
protected String selectAllString() {
return SELECT_ALL_STRING;
}
}