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EJB 3.1 Embedded EJBContainer in AS
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created by <a href="http://community.jboss.org/people/ALRubinger">Andrew Rubinger</a> in <i>EJB 3.0 Development</i> - <a href="http://community.jboss.org/message/542619#542619">View the full discussion</a>
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<div class="jive-rendered-content"><p>I'm tracking integration of the Embedded EJB3 "EJBContainer" APIs into AS here:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><a class="jive-link-external-small" href="https://jira.jboss.org/jira/browse/JBAS-7964">https://jira.jboss.org/jira/browse/JBAS-7964</a></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The task for the "embedded" component is:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><a class="jive-link-external-small" href="https://jira.jboss.org/jira/browse/EJBTHREE-2083">https://jira.jboss.org/jira/browse/EJBTHREE-2083</a></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>We now have a passing test in my development branch of AS.  It:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><ul><li>Deploys a Servlet into AS</li><li>Issues an HTTP request to the Servlet</li><li>Servlet then starts a new EJBContainer and deploys a ShrinkWrap archive into it (which is a JBoss-specific extension)</li><li>Looks up the EJB proxy using EJBContainer.getContext() and invokes upon it</li><li>Returns the result to the caller</li></ul><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Pending is still to split the ShrinkWrap-specific stuff out into an extension module, but it proves we're on the way to something working from inside AS.  It's essentially spec API wrappers to our existing runtime.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><a class="jive-link-external-small" href="http://anonsvn.jboss.org/repos/jbossas/branches/TEMP_EJB3_EMBEDDABLE_JBAS-7964/embedded/src/test/java/org/jboss/jbossas/embedded/testsuite/servlet/EmbeddedEjbCallingServlet.java">http://anonsvn.jboss.org/repos/jbossas/branches/TEMP_EJB3_EMBEDDABLE_JBAS-7964/embedded/src/test/java/org/jboss/jbossas/embedded/testsuite/servlet/EmbeddedEjbCallingServlet.java</a></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre>/*<br/> * JBoss, Home of Professional Open Source.<br/> * Copyright 2009, Red Hat Middleware LLC, and individual contributors<br/> * as indicated by the @author tags. See the copyright.txt file in the<br/> * distribution for a full listing of individual contributors.<br/>  *<br/> * This is free software; you can redistribute it and/or modify it<br/> * under the terms of the GNU Lesser General Public License as<br/> * published by the Free Software Foundation; either version 2.1 of<br/> * the License, or (at your option) any later version.<br/> *<br/> * This software is distributed in the hope that it will be useful,<br/> * but WITHOUT ANY WARRANTY; without even the implied warranty of<br/> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU<br/> * Lesser General Public License for more details.<br/> *<br/> * You should have received a copy of the GNU Lesser General Public<br/> * License along with this software; if not, write to the Free<br/> * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA<br/> * 02110-1301 USA, or see the FSF site: http://www.fsf.org.<br/> */<br/>package org.jboss.jbossas.embedded.testsuite.servlet;<br/><br/>import java.io.IOException;<br/>import java.util.HashMap;<br/>import java.util.Map;<br/>import java.util.logging.Logger;<br/><br/>import javax.ejb.embeddable.EJBContainer;<br/>import javax.naming.Context;<br/>import javax.naming.NamingException;<br/>import javax.servlet.ServletException;<br/>import javax.servlet.http.HttpServlet;<br/>import javax.servlet.http.HttpServletRequest;<br/>import javax.servlet.http.HttpServletResponse;<br/><br/>import org.jboss.ejb3.embedded.api.JBossEJBContainer;<br/>import org.jboss.jbossas.embedded.testsuite.ejb3.slsb.OutputBean;<br/>import org.jboss.jbossas.embedded.testsuite.ejb3.slsb.OutputLocalBusiness;<br/>import org.jboss.shrinkwrap.api.ShrinkWrap;<br/>import org.jboss.shrinkwrap.api.spec.JavaArchive;<br/><br/>/**<br/> * Servlet which forwards calls upon an EJB<br/> * via the {@link EJBContainer} API.<br/> *<br/> * @author <a href="mailto:andrew.rubinger@jboss.org">ALR</a><br/> * @version $Revision: $<br/> */<br/>public class EmbeddedEjbCallingServlet extends HttpServlet<br/>{<br/><br/>   //-------------------------------------------------------------------------------------||<br/>   // Class Members ----------------------------------------------------------------------||<br/>   //-------------------------------------------------------------------------------------||<br/><br/>   /**<br/>    * Logger<br/>    */<br/>   private static final Logger log = Logger.getLogger(EmbeddedEjbCallingServlet.class.getName());<br/><br/>   /**<br/>    * serialVersionUID<br/>    */<br/>   private static final long serialVersionUID = 1L;<br/><br/>   /**<br/>    * Content type to use in forwarding<br/>    */<br/>   private static final String CONTENT_TYPE_TEXT_PLAIN = "text/plain";<br/><br/>   //-------------------------------------------------------------------------------------||<br/>   // Overridden Implementations ---------------------------------------------------------||<br/>   //-------------------------------------------------------------------------------------||<br/><br/>   /**<br/>    * Returns the value {@link OutputLocalBusiness#OUTPUT} by invoking via an EJB<br/>    * <br/>    * @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)<br/>    */<br/>   @Override<br/>   protected void doGet(final HttpServletRequest request, final HttpServletResponse response) throws ServletException,<br/>         IOException<br/>   {<br/>      // Log<br/>      log.info("Request: " + request);<br/><br/>      // Set the content-type to text<br/>      response.setContentType(CONTENT_TYPE_TEXT_PLAIN);<br/><br/>      // Create the EJB Container<br/>      final Map<String, String> ejbContainerProps = new HashMap<String, String>();<br/>      ejbContainerProps.put(EJBContainer.MODULES, ""); // Deploy no modules and do no scanning by default<br/>      final JBossEJBContainer ejbContainer = (JBossEJBContainer) EJBContainer.createEJBContainer(ejbContainerProps);<br/><br/>      // Define the EJB JAR<br/>      final JavaArchive archive = ShrinkWrap.create("outputSlsb.jar", JavaArchive.class).addClasses(OutputBean.class,<br/>            OutputLocalBusiness.class);<br/><br/>      // Deploy the JAR<br/>      ejbContainer.deploy(archive);<br/><br/>      // Look up the EJB<br/>      final Context context = ejbContainer.getContext();<br/>      final OutputLocalBusiness bean;<br/>      try<br/>      {<br/>         bean = (OutputLocalBusiness) context.lookup(OutputLocalBusiness.JNDI_NAME);<br/>      }<br/>      catch (final NamingException e)<br/>      {<br/>         throw new RuntimeException("Could not find bean proxy at " + OutputLocalBusiness.JNDI_NAME, e);<br/>      }<br/><br/>      // Invoke<br/>      final String value = bean.getOutput();<br/><br/>      // Undeploy<br/>      ejbContainer.undeploy(archive);<br/><br/>      // Shut down EJBContainer<br/>      ejbContainer.close();<br/><br/>      // Write out<br/>      log.info("Got value from EJB: " + value);<br/>      response.getWriter().write(value);<br/>   }<br/>}<br/></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>S,</p><p>ALR</p></div>
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