/*
* Servlet.java
*
* Created on December 23, 2002, 3:20 PM
*/
import javax.servlet.*;
import javax.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";
}
}