index-group=Unrevised type=page status=published title=Testing Transactions
*Help us document this example! Click the blue pencil icon in the upper right to edit this page.* ## Movie package org.superbiz.injection.tx; import javax.persistence.Entity; @Entity public class Movie { private String director; private String title; private int year; public Movie() { } public Movie(String director, String title, int year) { this.director = director; this.title = title; this.year = year; } public String getDirector() { return director; } public void setDirector(String director) { this.director = director; } public String getTitle() { return title; } public void setTitle(String title) { this.title = title; } public int getYear() { return year; } public void setYear(int year) { this.year = year; } } ## Movies package org.superbiz.injection.tx; import javax.ejb.Stateful; import javax.ejb.TransactionAttribute; import javax.persistence.EntityManager; import javax.persistence.PersistenceContext; import javax.persistence.PersistenceContextType; import javax.persistence.Query; import java.util.List; import static javax.ejb.TransactionAttributeType.MANDATORY; //START SNIPPET: code @Stateful(name = "Movies") @TransactionAttribute(MANDATORY) public class Movies { @PersistenceContext(unitName = "movie-unit", type = PersistenceContextType.TRANSACTION) private EntityManager entityManager; public void addMovie(Movie movie) throws Exception { entityManager.persist(movie); } public void deleteMovie(Movie movie) throws Exception { entityManager.remove(movie); } public List<Movie> getMovies() throws Exception { Query query = entityManager.createQuery("SELECT m from Movie as m"); return query.getResultList(); } } ## persistence.xml <persistence xmlns="http://java.sun.com/xml/ns/persistence" version="1.0"> <persistence-unit name="movie-unit"> <jta-data-source>movieDatabase</jta-data-source> <non-jta-data-source>movieDatabaseUnmanaged</non-jta-data-source> <class>org.superbiz.injection.tx.Movie</class> <properties> <property name="openjpa.jdbc.SynchronizeMappings" value="buildSchema(ForeignKeys=true)"/> </properties> </persistence-unit> </persistence> ## MoviesTest package org.superbiz.injection.tx; import junit.framework.TestCase; import javax.ejb.EJB; import javax.ejb.Stateless; import javax.ejb.TransactionAttribute; 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 private Caller transactionalCaller; 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); } 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 { doWork(); fail("The Movies bean should be using TransactionAttributeType.MANDATORY"); } catch (javax.ejb.EJBTransactionRequiredException 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 @TransactionAttribute(REQUIRES_NEW) public static class TransactionBean implements Caller { public <V> V call(Callable<V> callable) throws Exception { return callable.call(); } } } # Running ------------------------------------------------------- T E S T S ------------------------------------------------------- Running org.superbiz.injection.tx.MoviesTest Apache OpenEJB 4.0.0-beta-1 build: 20111002-04:06 http://tomee.apache.org/ INFO - openejb.home = /Users/dblevins/examples/testing-transactions INFO - openejb.base = /Users/dblevins/examples/testing-transactions INFO - Using 'javax.ejb.embeddable.EJBContainer=true' INFO - Configuring Service(id=Default Security Service, type=SecurityService, provider-id=Default Security Service) INFO - Configuring Service(id=Default Transaction Manager, type=TransactionManager, provider-id=Default Transaction Manager) INFO - Configuring Service(id=movieDatabase, type=Resource, provider-id=Default JDBC Database) INFO - Found EjbModule in classpath: /Users/dblevins/examples/testing-transactions/target/classes INFO - Found EjbModule in classpath: /Users/dblevins/examples/testing-transactions/target/test-classes INFO - Beginning load: /Users/dblevins/examples/testing-transactions/target/classes INFO - Beginning load: /Users/dblevins/examples/testing-transactions/target/test-classes INFO - Configuring enterprise application: /Users/dblevins/examples/testing-transactions INFO - Configuring Service(id=Default Stateful Container, type=Container, provider-id=Default Stateful Container) INFO - Auto-creating a container for bean Movies: Container(type=STATEFUL, id=Default Stateful Container) INFO - Configuring Service(id=Default Stateless Container, type=Container, provider-id=Default Stateless Container) INFO - Auto-creating a container for bean TransactionBean: Container(type=STATELESS, id=Default Stateless Container) INFO - Configuring Service(id=Default Managed Container, type=Container, provider-id=Default Managed Container) INFO - Auto-creating a container for bean org.superbiz.injection.tx.MoviesTest: Container(type=MANAGED, id=Default Managed Container) INFO - Configuring PersistenceUnit(name=movie-unit) INFO - Auto-creating a Resource with id 'movieDatabaseNonJta' of type 'DataSource for 'movie-unit'. INFO - Configuring Service(id=movieDatabaseNonJta, type=Resource, provider-id=movieDatabase) INFO - Adjusting PersistenceUnit movie-unit <non-jta-data-source> to Resource ID 'movieDatabaseNonJta' from 'movieDatabaseUnmanaged' INFO - Enterprise application "/Users/dblevins/examples/testing-transactions" loaded. INFO - Assembling app: /Users/dblevins/examples/testing-transactions INFO - PersistenceUnit(name=movie-unit, provider=org.apache.openjpa.persistence.PersistenceProviderImpl) - provider time 406ms INFO - Jndi(name="java:global/testing-transactions/Movies!org.superbiz.injection.tx.Movies") INFO - Jndi(name="java:global/testing-transactions/Movies") INFO - Jndi(name="java:global/testing-transactions/TransactionBean!org.superbiz.injection.tx.MoviesTest$Caller") INFO - Jndi(name="java:global/testing-transactions/TransactionBean") INFO - Jndi(name="java:global/EjbModule2036741132/org.superbiz.injection.tx.MoviesTest!org.superbiz.injection.tx.MoviesTest") INFO - Jndi(name="java:global/EjbModule2036741132/org.superbiz.injection.tx.MoviesTest") INFO - Created Ejb(deployment-id=Movies, ejb-name=Movies, container=Default Stateful Container) INFO - Created Ejb(deployment-id=TransactionBean, ejb-name=TransactionBean, container=Default Stateless Container) INFO - Created Ejb(deployment-id=org.superbiz.injection.tx.MoviesTest, ejb-name=org.superbiz.injection.tx.MoviesTest, container=Default Managed Container) INFO - Started Ejb(deployment-id=Movies, ejb-name=Movies, container=Default Stateful Container) INFO - Started Ejb(deployment-id=TransactionBean, ejb-name=TransactionBean, container=Default Stateless Container) INFO - Started Ejb(deployment-id=org.superbiz.injection.tx.MoviesTest, ejb-name=org.superbiz.injection.tx.MoviesTest, container=Default Managed Container) INFO - Deployed Application(path=/Users/dblevins/examples/testing-transactions) INFO - EJBContainer already initialized. Call ejbContainer.close() to allow reinitialization Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 2.403 sec Results : Tests run: 2, Failures: 0, Errors: 0, Skipped: 0