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<div class="page-header">
<h1>Lookup Of Ejbs with Descriptor

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<p><em>Help us document this example! Click the blue pencil icon in the upper right to edit this page.</em></p>

<h2>BlueBean</h2>

<pre><code>package org.superbiz.ejblookup;

import javax.ejb.EJBException;
import javax.naming.InitialContext;
import javax.naming.NamingException;

//START SNIPPET: code
public class BlueBean implements Friend {

    public String sayHello() {
        return "Blue says, Hello!";
    }

    public String helloFromFriend() {
        try {
            Friend friend = (Friend) new InitialContext().lookup("java:comp/env/myFriend");
            return "My friend " + friend.sayHello();
        } catch (NamingException e) {
            throw new EJBException(e);
        }
    }
}
</code></pre>

<h2>Friend</h2>

<pre><code>package org.superbiz.ejblookup;

/**
 * This is an EJB 3 local business interface
 * A local business interface may be annotated with the @Local
 * annotation, but it's optional. A business interface which is
 * not annotated with @Local or @Remote is assumed to be Local
 * if the bean does not implement any other interfaces
 */
//START SNIPPET: code
public interface Friend {

    public String sayHello();

    public String helloFromFriend();
}
</code></pre>

<h2>RedBean</h2>

<pre><code>package org.superbiz.ejblookup;

import javax.ejb.EJBException;
import javax.naming.InitialContext;
import javax.naming.NamingException;

//START SNIPPET: code
public class RedBean implements Friend {

    public String sayHello() {
        return "Red says, Hello!";
    }

    public String helloFromFriend() {
        try {
            Friend friend = (Friend) new InitialContext().lookup("java:comp/env/myFriend");
            return "My friend " + friend.sayHello();
        } catch (NamingException e) {
            throw new EJBException(e);
        }
    }
}
</code></pre>

<h2>ejb-jar.xml</h2>

<pre><code>&lt;ejb-jar xmlns="http://java.sun.com/xml/ns/javaee"&gt;

  &lt;!-- Notice this changes the global jndi name --&gt;
  &lt;module-name&gt;wombat&lt;/module-name&gt;

  &lt;enterprise-beans&gt;

    &lt;session&gt;
      &lt;ejb-name&gt;BlueBean&lt;/ejb-name&gt;
      &lt;business-local&gt;org.superbiz.ejblookup.Friend&lt;/business-local&gt;
      &lt;ejb-class&gt;org.superbiz.ejblookup.BlueBean&lt;/ejb-class&gt;
      &lt;session-type&gt;Stateless&lt;/session-type&gt;
      &lt;transaction-type&gt;Container&lt;/transaction-type&gt;
      &lt;ejb-local-ref&gt;
        &lt;ejb-ref-name&gt;myFriend&lt;/ejb-ref-name&gt;
        &lt;local&gt;org.superbiz.ejblookup.Friend&lt;/local&gt;
        &lt;ejb-link&gt;RedBean&lt;/ejb-link&gt;
      &lt;/ejb-local-ref&gt;
    &lt;/session&gt;

    &lt;session&gt;
      &lt;ejb-name&gt;RedBean&lt;/ejb-name&gt;
      &lt;business-local&gt;org.superbiz.ejblookup.Friend&lt;/business-local&gt;
      &lt;ejb-class&gt;org.superbiz.ejblookup.RedBean&lt;/ejb-class&gt;
      &lt;session-type&gt;Stateless&lt;/session-type&gt;
      &lt;transaction-type&gt;Container&lt;/transaction-type&gt;
      &lt;ejb-local-ref&gt;
        &lt;ejb-ref-name&gt;myFriend&lt;/ejb-ref-name&gt;
        &lt;local&gt;org.superbiz.ejblookup.Friend&lt;/local&gt;
        &lt;ejb-link&gt;BlueBean&lt;/ejb-link&gt;
      &lt;/ejb-local-ref&gt;
    &lt;/session&gt;

  &lt;/enterprise-beans&gt;
&lt;/ejb-jar&gt;
</code></pre>

<h2>EjbDependencyTest</h2>

<pre><code>package org.superbiz.ejblookup;

import junit.framework.TestCase;

import javax.ejb.embeddable.EJBContainer;
import javax.naming.Context;

//START SNIPPET: code
public class EjbDependencyTest extends TestCase {

    private Context context;

    protected void setUp() throws Exception {
        context = EJBContainer.createEJBContainer().getContext();
    }

    public void testRed() throws Exception {

        Friend red = (Friend) context.lookup("java:global/wombat/RedBean");

        assertNotNull(red);
        assertEquals("Red says, Hello!", red.sayHello());
        assertEquals("My friend Blue says, Hello!", red.helloFromFriend());
    }

    public void testBlue() throws Exception {

        Friend blue = (Friend) context.lookup("java:global/wombat/BlueBean");

        assertNotNull(blue);
        assertEquals("Blue says, Hello!", blue.sayHello());
        assertEquals("My friend Red says, Hello!", blue.helloFromFriend());
    }
}
</code></pre>

<h1>Running</h1>

<pre><code>-------------------------------------------------------
 T E S T S
-------------------------------------------------------
Running org.superbiz.ejblookup.EjbDependencyTest
Apache OpenEJB 4.0.0-beta-1    build: 20111002-04:06
http://openejb.apache.org/
INFO - openejb.home = /Users/dblevins/examples/lookup-of-ejbs-with-descriptor
INFO - openejb.base = /Users/dblevins/examples/lookup-of-ejbs-with-descriptor
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 - Found EjbModule in classpath: /Users/dblevins/examples/lookup-of-ejbs-with-descriptor/target/classes
INFO - Beginning load: /Users/dblevins/examples/lookup-of-ejbs-with-descriptor/target/classes
INFO - Configuring enterprise application: /Users/dblevins/examples/lookup-of-ejbs-with-descriptor
INFO - Configuring Service(id=Default Stateless Container, type=Container, provider-id=Default Stateless Container)
INFO - Auto-creating a container for bean BlueBean: 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.ejblookup.EjbDependencyTest: Container(type=MANAGED, id=Default Managed Container)
INFO - Enterprise application "/Users/dblevins/examples/lookup-of-ejbs-with-descriptor" loaded.
INFO - Assembling app: /Users/dblevins/examples/lookup-of-ejbs-with-descriptor
INFO - Jndi(name="java:global/wombat/BlueBean!org.superbiz.ejblookup.Friend")
INFO - Jndi(name="java:global/wombat/BlueBean")
INFO - Jndi(name="java:global/wombat/RedBean!org.superbiz.ejblookup.Friend")
INFO - Jndi(name="java:global/wombat/RedBean")
INFO - Jndi(name="java:global/EjbModule136565368/org.superbiz.ejblookup.EjbDependencyTest!org.superbiz.ejblookup.EjbDependencyTest")
INFO - Jndi(name="java:global/EjbModule136565368/org.superbiz.ejblookup.EjbDependencyTest")
INFO - Created Ejb(deployment-id=RedBean, ejb-name=RedBean, container=Default Stateless Container)
INFO - Created Ejb(deployment-id=BlueBean, ejb-name=BlueBean, container=Default Stateless Container)
INFO - Created Ejb(deployment-id=org.superbiz.ejblookup.EjbDependencyTest, ejb-name=org.superbiz.ejblookup.EjbDependencyTest, container=Default Managed Container)
INFO - Started Ejb(deployment-id=RedBean, ejb-name=RedBean, container=Default Stateless Container)
INFO - Started Ejb(deployment-id=BlueBean, ejb-name=BlueBean, container=Default Stateless Container)
INFO - Started Ejb(deployment-id=org.superbiz.ejblookup.EjbDependencyTest, ejb-name=org.superbiz.ejblookup.EjbDependencyTest, container=Default Managed Container)
INFO - Deployed Application(path=/Users/dblevins/examples/lookup-of-ejbs-with-descriptor)
INFO - EJBContainer already initialized.  Call ejbContainer.close() to allow reinitialization
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.679 sec

Results :

Tests run: 2, 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/ejb/EJBException.html">javax.ejb.EJBException</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/naming/Context.html">javax.naming.Context</a></li>
<li><a href="http://docs.oracle.com/javaee/6/api/javax/naming/InitialContext.html">javax.naming.InitialContext</a></li>
<li><a href="http://docs.oracle.com/javaee/6/api/javax/naming/NamingException.html">javax.naming.NamingException</a></li>
</ul>

<h3>Source</h3>
  <ul>
      <li>Apache <a href="http://svn.apache.org/repos/asf/tomee/tomee//examples/lookup-of-ejbs-with-descriptor">lookup-of-ejbs-with-descriptor</a></li>
      <li>Github <a href="https://github.com/apache/tomee/tree//examples/lookup-of-ejbs-with-descriptor">lookup-of-ejbs-with-descriptor</a></li>
  </ul>
<pre>
svn co http://svn.apache.org/repos/asf/tomee/tomee//examples/lookup-of-ejbs-with-descriptor
cd lookup-of-ejbs-with-descriptor
mvn clean install
</pre>


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