| /* |
| * Copyright (c) 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 |
| */ |
| |
| /* |
| * Servlet.java |
| * |
| * Created on December 23, 2002, 3:20 PM |
| */ |
| |
| import jakarta.servlet.*; |
| import jakarta.servlet.http.*; |
| import javax.naming.*; |
| import javax.rmi.PortableRemoteObject; |
| /** |
| * |
| * @author mvatkina |
| * @version |
| */ |
| public class Servlet extends HttpServlet { |
| |
| /** Initializes the servlet. |
| */ |
| public void init(ServletConfig config) throws ServletException { |
| super.init(config); |
| |
| } |
| |
| /** Destroys the servlet. |
| */ |
| public void destroy() { |
| |
| } |
| |
| /** Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods. |
| * @param request servlet request |
| * @param response servlet response |
| */ |
| protected void processRequest(HttpServletRequest request, HttpServletResponse response) |
| throws ServletException, java.io.IOException { |
| response.setContentType("text/html"); |
| java.io.PrintWriter out = response.getWriter(); |
| |
| out.println("<html>"); |
| out.println("<head>"); |
| out.println("<title>Servlet</title>"); |
| out.println("</head>"); |
| out.println("<body>"); |
| |
| out.println("</body>"); |
| out.println("</html>"); |
| try { |
| Context initial = new InitialContext(); |
| Object objref = initial.lookup("java:comp/env/ejb/RemoteA"); |
| cascadeDelete.AHome ahome = |
| (cascadeDelete.AHome)PortableRemoteObject.narrow(objref, |
| cascadeDelete.AHome.class); |
| |
| objref = initial.lookup("java:comp/env/ejb/RemoteB"); |
| cascadeDelete.BHome bhome = |
| (cascadeDelete.BHome)PortableRemoteObject.narrow(objref, |
| cascadeDelete.BHome.class); |
| |
| objref = initial.lookup("java:comp/env/ejb/RemoteC"); |
| cascadeDelete.CHome chome = |
| (cascadeDelete.CHome)PortableRemoteObject.narrow(objref, |
| cascadeDelete.CHome.class); |
| |
| objref = initial.lookup("java:comp/env/ejb/RemoteD"); |
| cascadeDelete.DHome dhome = |
| (cascadeDelete.DHome)PortableRemoteObject.narrow(objref, |
| cascadeDelete.DHome.class); |
| |
| |
| cascadeDelete.A abean = ahome.create(new Integer(1), "A1"); |
| |
| cascadeDelete.B bbean = bhome.create(new Integer(100), "B100"); |
| bbean = bhome.create(new Integer(200), "B200"); |
| |
| cascadeDelete.C cbean = chome.create(new Integer(100), "C100"); |
| cbean = chome.create(new Integer(200), "C200"); |
| |
| cascadeDelete.D dbean = dhome.create(new Integer(1000), "D1000"); |
| dbean = dhome.create(new Integer(1100), "D1100"); |
| dbean = dhome.create(new Integer(2000), "D2000"); |
| dbean = dhome.create(new Integer(2200), "D2200"); |
| |
| abean.addAll(); |
| |
| out.println("<pre>"); |
| |
| out.println("Created " + ahome.findAll().size() + " As."); |
| out.println("Created " + bhome.findAll().size() + " Bs."); |
| out.println("Created " + chome.findAll().size() + " Cs."); |
| out.println("Created " + dhome.findAll().size() + " Ds."); |
| |
| out.println("Removing last C..."); |
| cbean.remove(); |
| |
| out.println("Left " + ahome.findAll().size() + " As."); |
| out.println("Left " + bhome.findAll().size() + " Bs."); |
| out.println("Left " + chome.findAll().size() + " Cs."); |
| out.println("Left " + dhome.findAll().size() + " Ds."); |
| |
| |
| out.println("Removing A..."); |
| abean.remove(); |
| |
| out.println("Left " + ahome.findAll().size() + " As."); |
| out.println("Left " + bhome.findAll().size() + " Bs."); |
| out.println("Left " + chome.findAll().size() + " Cs."); |
| out.println("Left " + dhome.findAll().size() + " Ds."); |
| |
| out.println("</pre>"); |
| |
| } catch (Exception ex) { |
| System.err.println("Caught an exception:"); |
| ex.printStackTrace(); |
| } |
| |
| out.close(); |
| } |
| |
| /** Handles the HTTP <code>GET</code> method. |
| * @param request servlet request |
| * @param response servlet response |
| */ |
| protected void doGet(HttpServletRequest request, HttpServletResponse response) |
| throws ServletException, java.io.IOException { |
| processRequest(request, response); |
| } |
| |
| /** Handles the HTTP <code>POST</code> method. |
| * @param request servlet request |
| * @param response servlet response |
| */ |
| protected void doPost(HttpServletRequest request, HttpServletResponse response) |
| throws ServletException, java.io.IOException { |
| processRequest(request, response); |
| } |
| |
| /** Returns a short description of the servlet. |
| */ |
| public String getServletInfo() { |
| return "Short description"; |
| } |
| |
| } |
