| /* |
| * Copyright (C) 2010 Google, Inc. |
| * |
| * Licensed 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 com.google.inject.persist.jpa; |
| |
| import com.google.inject.Guice; |
| import com.google.inject.Inject; |
| import com.google.inject.Injector; |
| import com.google.inject.persist.PersistService; |
| import com.google.inject.persist.Transactional; |
| import com.google.inject.persist.UnitOfWork; |
| import java.util.Date; |
| import javax.persistence.EntityManager; |
| import javax.persistence.EntityManagerFactory; |
| import junit.framework.TestCase; |
| |
| /** |
| * Created with IntelliJ IDEA. On: 2/06/2007 |
| * |
| * <p>For instance, a session-per-request strategy will control the opening and closing of the EM at |
| * its own (manual) discretion. As opposed to a transactional unit of work. |
| * |
| * @author Dhanji R. Prasanna (dhanji@gmail.com) |
| * @since 1.0 |
| */ |
| |
| public class ManualLocalTransactionsWithCustomMatcherTest extends TestCase { |
| private Injector injector; |
| private static final String UNIQUE_TEXT = "some unique text" + new Date(); |
| private static final String UNIQUE_TEXT_2 = "some other unique text" + new Date(); |
| |
| @Override |
| public void setUp() { |
| injector = Guice.createInjector(new JpaPersistModule("testUnit")); |
| |
| //startup persistence |
| injector.getInstance(PersistService.class).start(); |
| } |
| |
| @Override |
| public void tearDown() { |
| injector.getInstance(EntityManagerFactory.class).close(); |
| } |
| |
| public void testSimpleCrossTxnWork() { |
| //pretend that the request was started here |
| EntityManager em = injector.getInstance(EntityManager.class); |
| |
| JpaTestEntity entity = |
| injector |
| .getInstance(ManualLocalTransactionsWithCustomMatcherTest.TransactionalObject.class) |
| .runOperationInTxn(); |
| injector |
| .getInstance(ManualLocalTransactionsWithCustomMatcherTest.TransactionalObject.class) |
| .runOperationInTxn2(); |
| |
| //persisted entity should remain in the same em (which should still be open) |
| assertTrue( |
| "EntityManager appears to have been closed across txns!", |
| injector.getInstance(EntityManager.class).contains(entity)); |
| assertTrue("EntityManager appears to have been closed across txns!", em.contains(entity)); |
| assertTrue("EntityManager appears to have been closed across txns!", em.isOpen()); |
| |
| injector.getInstance(UnitOfWork.class).end(); |
| |
| //try to query them back out |
| em = injector.getInstance(EntityManager.class); |
| assertNotNull( |
| em.createQuery("from JpaTestEntity where text = :text") |
| .setParameter("text", UNIQUE_TEXT) |
| .getSingleResult()); |
| assertNotNull( |
| em.createQuery("from JpaTestEntity where text = :text") |
| .setParameter("text", UNIQUE_TEXT_2) |
| .getSingleResult()); |
| em.close(); |
| } |
| |
| public static class TransactionalObject { |
| @Inject EntityManager em; |
| |
| @Transactional |
| public JpaTestEntity runOperationInTxn() { |
| JpaTestEntity entity = new JpaTestEntity(); |
| entity.setText(UNIQUE_TEXT); |
| em.persist(entity); |
| |
| return entity; |
| } |
| |
| @Transactional |
| public void runOperationInTxn2() { |
| JpaTestEntity entity = new JpaTestEntity(); |
| entity.setText(UNIQUE_TEXT_2); |
| em.persist(entity); |
| } |
| } |
| } |