content: /*
   * 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 jakarta.persistence.EntityManager;
  import jakarta.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.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertNotSame;
  import static org.junit.jupiter.api.Assertions.assertSame;
  
  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.getRouteController().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.ENTITY_MANAGER, 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 RouteBuilder() {
              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;
      }
  
  }
  