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 <h1>Testing Transactions BMT

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 <p>Shows how to begin, commit and rollback transactions using a UserTransaction via a Stateful Bean.</p>

 <h2>Movie</h2>

 <pre><code>package org.superbiz.injection.tx;

 import javax.persistence.Entity;
 import javax.persistence.GeneratedValue;
 import javax.persistence.Id;

 @Entity
 public class Movie {

     @Id
     @GeneratedValue
     private Long id;
     private String director;
     private String title;
     private int year;

     public Movie(String director, String title, int year) {
         this.director = director;
         this.title = title;
         this.year = year;
     }

     public Movie() {

     }

     public Long getId() {
         return id;
     }

     public void setId(Long id) {
         this.id = id;
     }

     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;
     }
 }
 </code></pre>

 <h2>Movies</h2>

 <pre><code>package org.superbiz.injection.tx;

 import javax.annotation.Resource;
 import javax.ejb.Stateful;
 import javax.ejb.TransactionManagement;
 import javax.ejb.TransactionManagementType;
 import javax.persistence.EntityManager;
 import javax.persistence.PersistenceContext;
 import javax.persistence.PersistenceContextType;
 import javax.persistence.Query;
 import javax.transaction.UserTransaction;

 @Stateful(name = "Movies")
 @TransactionManagement(TransactionManagementType.BEAN)
 public class Movies {

     @PersistenceContext(unitName = "movie-unit", type = PersistenceContextType.TRANSACTION)
     private EntityManager entityManager;

     @Resource
     private UserTransaction userTransaction;

     public void addMovie(Movie movie) throws Exception {
         try {
             userTransaction.begin();
             entityManager.persist(movie);

             //For some dummy reason, this db can have only 5 titles. :O)
             if (countMovies() &gt; 5) {
                 userTransaction.rollback();
             } else {
                 userTransaction.commit();
             }


         } catch (Exception e) {
             e.printStackTrace();
             userTransaction.rollback();
         }
     }

     public Long countMovies() throws Exception {
         Query query = entityManager.createQuery("SELECT COUNT(m) FROM Movie m");
         return Long.class.cast(query.getSingleResult());
     }
 }
 </code></pre>

 <h2>persistence.xml</h2>

 <pre><code>&lt;persistence xmlns="http://java.sun.com/xml/ns/persistence" version="1.0"&gt;

   &lt;persistence-unit name="movie-unit"&gt;
     &lt;jta-data-source&gt;movieDatabase&lt;/jta-data-source&gt;
     &lt;non-jta-data-source&gt;movieDatabaseUnmanaged&lt;/non-jta-data-source&gt;
     &lt;class&gt;org.superbiz.injection.tx.Movie&lt;/class&gt;

     &lt;properties&gt;
       &lt;property name="openjpa.jdbc.SynchronizeMappings" value="buildSchema(ForeignKeys=true)"/&gt;
     &lt;/properties&gt;
   &lt;/persistence-unit&gt;
 &lt;/persistence&gt;
 </code></pre>

 <h2>MoviesTest</h2>

 <pre><code>package org.superbiz.injection.tx;

 import org.junit.Assert;
 import org.junit.Test;

 import javax.ejb.EJB;
 import javax.ejb.embeddable.EJBContainer;
 import java.util.Properties;

 public class MoviesTest {

     @EJB
     private Movies movies;

     @Test
     public void testMe() 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);

         movies.addMovie(new Movie("Asif Kapadia", "Senna", 2010));
         movies.addMovie(new Movie("José Padilha", "Tropa de Elite", 2007));
         movies.addMovie(new Movie("Andy Wachowski/Lana Wachowski", "The Matrix", 1999));
         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));

         Assert.assertEquals(5L, movies.countMovies().longValue());
     }

 }
 </code></pre>

 <h1>Running</h1>

 <pre><code>-------------------------------------------------------
  T E S T S
 -------------------------------------------------------
 Running org.superbiz.injection.tx.MoviesTest
 INFO - ********************************************************************************
 INFO - OpenEJB http://tomee.apache.org/
 INFO - Startup: Sat Jul 21 16:39:28 EDT 2012
 INFO - Copyright 1999-2012 (C) Apache OpenEJB Project, All Rights Reserved.
 INFO - Version: 4.1.0
 INFO - Build date: 20120721
 INFO - Build time: 12:06
 INFO - ********************************************************************************
 INFO - openejb.home = /home/boto/dev/ws/openejb_trunk/openejb/examples/testing-transactions-bmt
 INFO - openejb.base = /home/boto/dev/ws/openejb_trunk/openejb/examples/testing-transactions-bmt
 INFO - Created new singletonService org.apache.openejb.cdi.ThreadSingletonServiceImpl@3f3f210f
 INFO - Succeeded in installing singleton service
 INFO - Using 'javax.ejb.embeddable.EJBContainer=true'
 INFO - Cannot find the configuration file [conf/openejb.xml].  Will attempt to create one for the beans deployed.
 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 - Creating TransactionManager(id=Default Transaction Manager)
 INFO - Creating SecurityService(id=Default Security Service)
 INFO - Creating Resource(id=movieDatabase)
 INFO - Beginning load: /home/boto/dev/ws/openejb_trunk/openejb/examples/testing-transactions-bmt/target/classes
 INFO - Configuring enterprise application: /home/boto/dev/ws/openejb_trunk/openejb/examples/testing-transactions-bmt
 WARNING - Method 'lookup' is not available for 'javax.annotation.Resource'. Probably using an older Runtime.
 INFO - Auto-deploying ejb Movies: EjbDeployment(deployment-id=Movies)
 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 - Creating Container(id=Default Stateful Container)
 INFO - Using directory /tmp for stateful session passivation
 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 - Creating Container(id=Default Managed Container)
 INFO - Using directory /tmp for stateful session passivation
 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 - Creating Resource(id=movieDatabaseNonJta)
 INFO - Adjusting PersistenceUnit movie-unit &lt;non-jta-data-source&gt; to Resource ID 'movieDatabaseNonJta' from 'movieDatabaseUnmanaged'
 INFO - Enterprise application "/home/boto/dev/ws/openejb_trunk/openejb/examples/testing-transactions-bmt" loaded.
 INFO - Assembling app: /home/boto/dev/ws/openejb_trunk/openejb/examples/testing-transactions-bmt
 SEVERE - JAVA AGENT NOT INSTALLED. The JPA Persistence Provider requested installation of a ClassFileTransformer which requires a JavaAgent.  See http://tomee.apache.org/3.0/javaagent.html
 INFO - PersistenceUnit(name=movie-unit, provider=org.apache.openjpa.persistence.PersistenceProviderImpl) - provider time 399ms
 INFO - Jndi(name="java:global/testing-transactions-bmt/Movies!org.superbiz.injection.tx.Movies")
 INFO - Jndi(name="java:global/testing-transactions-bmt/Movies")
 INFO - Existing thread singleton service in SystemInstance() org.apache.openejb.cdi.ThreadSingletonServiceImpl@3f3f210f
 INFO - OpenWebBeans Container is starting...
 INFO - Adding OpenWebBeansPlugin : [CdiPlugin]
 INFO - All injection points are validated successfully.
 INFO - OpenWebBeans Container has started, it took 157 ms.
 INFO - Created Ejb(deployment-id=Movies, ejb-name=Movies, container=Default Stateful Container)
 INFO - Started Ejb(deployment-id=Movies, ejb-name=Movies, container=Default Stateful Container)
 INFO - Deployed Application(path=/home/boto/dev/ws/openejb_trunk/openejb/examples/testing-transactions-bmt)
 INFO - Started user transaction org.apache.geronimo.transaction.manager.TransactionImpl@709a1411
 21-Jul-2012 4:39:32 PM null openjpa.Runtime
 INFO: Starting OpenJPA 2.2.0
 21-Jul-2012 4:39:32 PM null openjpa.jdbc.JDBC
 INFO: Using dictionary class "org.apache.openjpa.jdbc.sql.HSQLDictionary" (HSQL Database Engine 2.2.8 ,HSQL Database Engine Driver 2.2.8).
 21-Jul-2012 4:39:33 PM null openjpa.Enhance
 INFO: Creating subclass and redefining methods for "[class org.superbiz.injection.tx.Movie]". This means that your application will be less efficient than it would if you ran the OpenJPA enhancer.
 INFO - Committing user transaction org.apache.geronimo.transaction.manager.TransactionImpl@709a1411
 INFO - Started user transaction org.apache.geronimo.transaction.manager.TransactionImpl@2bb64b70
 INFO - Committing user transaction org.apache.geronimo.transaction.manager.TransactionImpl@2bb64b70
 INFO - Started user transaction org.apache.geronimo.transaction.manager.TransactionImpl@627b5c
 INFO - Committing user transaction org.apache.geronimo.transaction.manager.TransactionImpl@627b5c
 INFO - Started user transaction org.apache.geronimo.transaction.manager.TransactionImpl@2f031310
 INFO - Committing user transaction org.apache.geronimo.transaction.manager.TransactionImpl@2f031310
 INFO - Started user transaction org.apache.geronimo.transaction.manager.TransactionImpl@4df2a9da
 INFO - Committing user transaction org.apache.geronimo.transaction.manager.TransactionImpl@4df2a9da
 INFO - Started user transaction org.apache.geronimo.transaction.manager.TransactionImpl@3fa9b4a4
 INFO - Rolling back user transaction org.apache.geronimo.transaction.manager.TransactionImpl@3fa9b4a4
 Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 7.471 sec

 Results :

 Tests run: 1, Failures: 0, Errors: 0, Skipped: 0
 </code></pre>


 <div class="page-header">&nbsp;</div>
 <h4>APIs Used</h4>
 <ul><li><a href="http://docs.oracle.com/javaee/6/api/javax/annotation/Resource.html">javax.annotation.Resource</a></li>
 <li><a href="http://docs.oracle.com/javaee/6/api/javax/ejb/EJB.html">javax.ejb.EJB</a></li>
 <li><a href="http://docs.oracle.com/javaee/6/api/javax/ejb/Stateful.html">javax.ejb.Stateful</a></li>
 <li><a href="http://docs.oracle.com/javaee/6/api/javax/ejb/TransactionManagement.html">javax.ejb.TransactionManagement</a></li>
 <li><a href="http://docs.oracle.com/javaee/6/api/javax/ejb/TransactionManagementType.html">javax.ejb.TransactionManagementType</a></li>
 <li><a href="http://docs.oracle.com/javaee/6/api/javax/ejb/embeddable/EJBContainer.html">javax.ejb.embeddable.EJBContainer</a></li>
 <li><a href="http://docs.oracle.com/javaee/6/api/javax/persistence/Entity.html">javax.persistence.Entity</a></li>
 <li><a href="http://docs.oracle.com/javaee/6/api/javax/persistence/EntityManager.html">javax.persistence.EntityManager</a></li>
 <li><a href="http://docs.oracle.com/javaee/6/api/javax/persistence/GeneratedValue.html">javax.persistence.GeneratedValue</a></li>
 <li><a href="http://docs.oracle.com/javaee/6/api/javax/persistence/Id.html">javax.persistence.Id</a></li>
 <li><a href="http://docs.oracle.com/javaee/6/api/javax/persistence/PersistenceContext.html">javax.persistence.PersistenceContext</a></li>
 <li><a href="http://docs.oracle.com/javaee/6/api/javax/persistence/PersistenceContextType.html">javax.persistence.PersistenceContextType</a></li>
 <li><a href="http://docs.oracle.com/javaee/6/api/javax/persistence/Query.html">javax.persistence.Query</a></li>
 <li><a href="http://docs.oracle.com/javaee/6/api/javax/transaction/UserTransaction.html">javax.transaction.UserTransaction</a></li>
 </ul>

 <h3>Source</h3>
   <ul>
       <li>Apache <a href="http://svn.apache.org/repos/asf/tomee/tomee/trunk/examples/testing-transactions-bmt">testing-transactions-bmt</a></li>
       <li>Github <a href="https://github.com/apache/tomee/tree/trunk/examples/testing-transactions-bmt">testing-transactions-bmt</a></li>
   </ul>
 <pre>
 svn co http://svn.apache.org/repos/asf/tomee/tomee/trunk/examples/testing-transactions-bmt
 cd testing-transactions-bmt
 mvn clean install
 </pre>


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