| /* |
| * Copyright (c) 2017, 2018 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0, which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * This Source Code may also be made available under the following Secondary |
| * Licenses when the conditions for such availability set forth in the |
| * Eclipse Public License v. 2.0 are satisfied: GNU General Public License, |
| * version 2 with the GNU Classpath Exception, which is available at |
| * https://www.gnu.org/software/classpath/license.html. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 |
| */ |
| |
| package com.acme; |
| |
| import javax.naming.InitialContext; |
| import javax.naming.NamingException; |
| |
| import jakarta.annotation.PostConstruct; |
| import jakarta.annotation.PreDestroy; |
| import jakarta.annotation.Resource; |
| |
| import jakarta.ejb.Singleton; |
| import jakarta.ejb.Startup; |
| import jakarta.ejb.EJBException; |
| import jakarta.ejb.EJB; |
| import jakarta.ejb.LocalBean; |
| |
| import jakarta.ejb.SessionContext; |
| |
| @Singleton |
| @LocalBean |
| public class SingletonBean implements java.util.Observer { |
| |
| |
| @EJB private SingletonBean me; |
| |
| @EJB private StatefulBean sf; |
| |
| @Resource private SessionContext sessionCtx; |
| |
| private SingletonBean sb2; |
| private SingletonBean sb3; |
| private SingletonBean sb4; |
| private SingletonBean sb5; |
| private StatelessBean slsb; |
| private StatelessBean slsb2; |
| private StatelessBean slsb3; |
| private StatelessBean slsb4; |
| private StatelessBean slsb5; |
| |
| public void update(java.util.Observable a,java.lang.Object b) {} |
| |
| @PostConstruct |
| private void init() { |
| |
| System.out.println("In SingletonBean:init() me = " + me); |
| |
| if( sessionCtx.getContextData() == null ) { |
| throw new EJBException("null context data"); |
| } |
| |
| try { |
| InitialContext ic = new InitialContext(); |
| |
| // Lookup simple form of portable JNDI name |
| StatelessBean stateless = (StatelessBean) |
| ic.lookup("java:module/StatelessBean"); |
| |
| stateless.hello(); |
| |
| // Lookup fully-qualified form of portable JNDI name |
| StatelessBean stateless2 = (StatelessBean) |
| ic.lookup("java:module/StatelessBean!com.acme.StatelessBean"); |
| |
| stateless2.hello(); |
| |
| sb2 = (SingletonBean) ic.lookup("java:module/SingletonBean"); |
| sb3 = (SingletonBean) ic.lookup("java:module/SingletonBean!com.acme.SingletonBean"); |
| |
| sb4 = (SingletonBean) ic.lookup("java:module/ES1"); |
| sb5 = (SingletonBean) ic.lookup("java:module/env/ES2"); |
| |
| slsb = (StatelessBean) ic.lookup("java:module/StatelessBean"); |
| slsb2 = (StatelessBean) ic.lookup("java:app/ejb-ejb31-ejblite-javamodule-web/StatelessBean"); |
| slsb3 = (StatelessBean) ic.lookup("java:app/ejb-ejb31-ejblite-javamodule-web/StatelessBean!com.acme.StatelessBean"); |
| |
| slsb4 = (StatelessBean) ic.lookup("java:app/EL1"); |
| slsb5 = (StatelessBean) ic.lookup("java:app/env/EL2"); |
| |
| System.out.println("My AppName = " + |
| ic.lookup("java:app/AppName")); |
| |
| System.out.println("My ModuleName = " + |
| ic.lookup("java:module/ModuleName")); |
| |
| } catch(NamingException ne) { |
| throw new EJBException(ne); |
| } |
| } |
| |
| public void hello() { |
| System.out.println("In SingletonBean:hello()"); |
| if( sessionCtx.getContextData() == null ) { |
| throw new EJBException("null context data"); |
| } |
| |
| } |
| |
| @PreDestroy |
| private void destroy() { |
| System.out.println("In SingletonBean:destroy()"); |
| if( sessionCtx.getContextData() == null ) { |
| throw new EJBException("null context data"); |
| } |
| |
| } |
| |
| |
| } |