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| <h1>ejb-ref</h1> |
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| <p>= |
| Via annotation</p> |
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| <pre class="highlight"><code class="language-java" data-lang="java">package org.superbiz.refs; |
| |
| import javax.ejb.EJB; |
| import javax.ejb.Stateless; |
| import javax.naming.InitialContext; |
| |
| @Stateless |
| @EJB(name = "myFooEjb", beanInterface = FooRemote.class) |
| public class MyEjbRemoteRefBean implements MyBeanInterface { |
| |
| @EJB |
| private BarRemote myBarEjb; |
| |
| public void someBusinessMethod() throws Exception { |
| if (myBarEjb == null) throw new NullPointerException("myBarEjb not injected"); |
| |
| // Both can be looked up from JNDI as well |
| InitialContext context = new InitialContext(); |
| FooRemote fooRemote = (FooRemote) context.lookup("java:comp/env/myFooEjb"); |
| BarRemote barRemote = (BarRemote) context.lookup("java:comp/env/org.superbiz.refs.MyEjbRemoteRefBean/myBarEjb"); |
| } |
| }</code></pre> |
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| <h1 id="_via_xml" class="sect0">Via xml</h1> |
| <div class="paragraph"> |
| <p>The above <code>@EJB</code> annotation usage is 100% equivalent to the following xml.</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlight"><code class="language-xml" data-lang="xml"><ejb-ref> |
| <ejb-ref-name>myFooEjb</ejb-ref-name> |
| <remote>org.superbiz.refs.FooRemote</remote> |
| </ejb-ref> |
| <ejb-ref> |
| |
| <ejb-ref-name>org.superbiz.refs.MyEjbRemoteRefBean/myBarEjb</ejb-ref-name> |
| <remote>org.superbiz.refs.BarRemote</remote> |
| <injection-target> |
| <injection-target-class>org.superbiz.refs.MyEjbRemoteRefBean</injection-target-class> |
| <injection-target-name>myBarEjb</injection-target-name> |
| </injection-target> |
| </ejb-ref></code></pre> |
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