Andrew Rubinger [
http://community.jboss.org/people/ALRubinger] created the discussion
"EJB 3.1 Embedded EJBContainer in AS"
To view the discussion, visit:
http://community.jboss.org/message/542619#542619
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I'm tracking integration of the Embedded EJB3 "EJBContainer" APIs into AS
here:
https://jira.jboss.org/jira/browse/JBAS-7964
https://jira.jboss.org/jira/browse/JBAS-7964
The task for the "embedded" component is:
https://jira.jboss.org/jira/browse/EJBTHREE-2083
https://jira.jboss.org/jira/browse/EJBTHREE-2083
We now have a passing test in my development branch of AS. It:
* Deploys a Servlet into AS
* Issues an HTTP request to the Servlet
* Servlet then starts a new EJBContainer and deploys a ShrinkWrap archive into it (which
is a JBoss-specific extension)
* Looks up the EJB proxy using EJBContainer.getContext() and invokes upon it
* Returns the result to the caller
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.
http://anonsvn.jboss.org/repos/jbossas/branches/TEMP_EJB3_EMBEDDABLE_JBAS...
http://anonsvn.jboss.org/repos/jbossas/branches/TEMP_EJB3_EMBEDDABLE_JBAS...
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package org.jboss.jbossas.embedded.testsuite.servlet;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.logging.Logger;
import javax.ejb.embeddable.EJBContainer;
import javax.naming.Context;
import javax.naming.NamingException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.jboss.ejb3.embedded.api.JBossEJBContainer;
import org.jboss.jbossas.embedded.testsuite.ejb3.slsb.OutputBean;
import org.jboss.jbossas.embedded.testsuite.ejb3.slsb.OutputLocalBusiness;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.spec.JavaArchive;
/**
* Servlet which forwards calls upon an EJB
* via the {@link EJBContainer} API.
*
* @author <a href="mailto:andrew.rubinger@jboss.org">ALR</a>
* @version $Revision: $
*/
public class EmbeddedEjbCallingServlet extends HttpServlet
{
//-------------------------------------------------------------------------------------||
// Class Members
----------------------------------------------------------------------||
//-------------------------------------------------------------------------------------||
/**
* Logger
*/
private static final Logger log =
Logger.getLogger(EmbeddedEjbCallingServlet.class.getName());
/**
* serialVersionUID
*/
private static final long serialVersionUID = 1L;
/**
* Content type to use in forwarding
*/
private static final String CONTENT_TYPE_TEXT_PLAIN = "text/plain";
//-------------------------------------------------------------------------------------||
// Overridden Implementations
---------------------------------------------------------||
//-------------------------------------------------------------------------------------||
/**
* Returns the value {@link OutputLocalBusiness#OUTPUT} by invoking via an EJB
*
* @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest,
javax.servlet.http.HttpServletResponse)
*/
@Override
protected void doGet(final HttpServletRequest request, final HttpServletResponse
response) throws ServletException,
IOException
{
// Log
log.info("Request: " + request);
// Set the content-type to text
response.setContentType(CONTENT_TYPE_TEXT_PLAIN);
// Create the EJB Container
final Map<String, String> ejbContainerProps = new HashMap<String,
String>();
ejbContainerProps.put(EJBContainer.MODULES, ""); // Deploy no modules and
do no scanning by default
final JBossEJBContainer ejbContainer = (JBossEJBContainer)
EJBContainer.createEJBContainer(ejbContainerProps);
// Define the EJB JAR
final JavaArchive archive = ShrinkWrap.create("outputSlsb.jar",
JavaArchive.class).addClasses(OutputBean.class,
OutputLocalBusiness.class);
// Deploy the JAR
ejbContainer.deploy(archive);
// Look up the EJB
final Context context = ejbContainer.getContext();
final OutputLocalBusiness bean;
try
{
bean = (OutputLocalBusiness) context.lookup(OutputLocalBusiness.JNDI_NAME);
}
catch (final NamingException e)
{
throw new RuntimeException("Could not find bean proxy at " +
OutputLocalBusiness.JNDI_NAME, e);
}
// Invoke
final String value = bean.getOutput();
// Undeploy
ejbContainer.undeploy(archive);
// Shut down EJBContainer
ejbContainer.close();
// Write out
log.info("Got value from EJB: " + value);
response.getWriter().write(value);
}
}
S,
ALR
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