| /** |
| * 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 |
| * <p/> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p/> |
| * 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.superbiz.injection.tx; |
| |
| import junit.framework.TestCase; |
| |
| import javax.annotation.security.RunAs; |
| import javax.ejb.EJB; |
| import javax.ejb.Stateless; |
| import javax.ejb.TransactionAttribute; |
| import javax.ejb.TransactionAttributeType; |
| import javax.ejb.embeddable.EJBContainer; |
| import java.util.List; |
| import java.util.Properties; |
| import java.util.concurrent.Callable; |
| |
| import static javax.ejb.TransactionAttributeType.REQUIRES_NEW; |
| |
| /** |
| * See the transaction-rollback example as it does the same thing |
| * via UserTransaction and shows more techniques for rollback |
| */ |
| //START SNIPPET: code |
| public class MoviesTest extends TestCase { |
| |
| @EJB |
| private Movies movies; |
| |
| @EJB(beanName = "TransactionBean") |
| private Caller transactionalCaller; |
| |
| @EJB(beanName = "NoTransactionBean") |
| private Caller nonTransactionalCaller; |
| |
| protected void setUp() throws Exception { |
| final Properties p = new Properties(); |
| p.put("movieDatabase", "new://Resource?type=DataSource"); |
| p.put("movieDatabase.JdbcDriver", "org.hsqldb.jdbcDriver"); |
| p.put("movieDatabase.JdbcUrl", "jdbc:hsqldb:mem:moviedb"); |
| |
| EJBContainer.createEJBContainer(p).getContext().bind("inject", this); |
| } |
| |
| @Override |
| protected void tearDown() throws Exception { |
| transactionalCaller.call(new Callable<Object>() { |
| @Override |
| public Object call() throws Exception { |
| for (final Movie m : movies.getMovies()) { |
| movies.deleteMovie(m); |
| } |
| return null; |
| } |
| }); |
| } |
| |
| private void doWork() throws Exception { |
| |
| movies.addMovie(new Movie("Quentin Tarantino", "Reservoir Dogs", 1992)); |
| movies.addMovie(new Movie("Joel Coen", "Fargo", 1996)); |
| movies.addMovie(new Movie("Joel Coen", "The Big Lebowski", 1998)); |
| |
| List<Movie> list = movies.getMovies(); |
| assertEquals("List.size()", 3, list.size()); |
| |
| for (Movie movie : list) { |
| movies.deleteMovie(movie); |
| } |
| |
| assertEquals("Movies.getMovies()", 0, movies.getMovies().size()); |
| } |
| |
| public void testWithTransaction() throws Exception { |
| transactionalCaller.call(new Callable() { |
| public Object call() throws Exception { |
| doWork(); |
| return null; |
| } |
| }); |
| } |
| |
| public void testWithoutTransaction() throws Exception { |
| try { |
| nonTransactionalCaller.call(new Callable() { |
| public Object call() throws Exception { |
| doWork(); |
| return null; |
| } |
| }); |
| fail("The Movies bean should be using TransactionAttributeType.MANDATORY"); |
| } catch (javax.ejb.EJBException e) { |
| // good, our Movies bean is using TransactionAttributeType.MANDATORY as we want |
| } |
| } |
| |
| public static interface Caller { |
| |
| public <V> V call(Callable<V> callable) throws Exception; |
| } |
| |
| /** |
| * This little bit of magic allows our test code to execute in |
| * the scope of a container controlled transaction. |
| */ |
| @Stateless |
| @RunAs("Manager") |
| @TransactionAttribute(REQUIRES_NEW) |
| public static class TransactionBean implements Caller { |
| |
| public <V> V call(Callable<V> callable) throws Exception { |
| return callable.call(); |
| } |
| |
| } |
| |
| @Stateless |
| @RunAs("Manager") |
| @TransactionAttribute(TransactionAttributeType.NEVER) |
| public static class NoTransactionBean implements Caller { |
| |
| public <V> V call(Callable<V> callable) throws Exception { |
| return callable.call(); |
| } |
| |
| } |
| |
| } |
| //END SNIPPET: code |