1 /*
   2  * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 import java.rmi.*;
  25 import java.rmi.server.*;
  26 import java.io.*;
  27 
  28 /**
  29  * Class accepts a task and runs it in its own space.
  30  */
  31 public class ComputeServerImpl
  32     extends UnicastRemoteObject
  33     implements ComputeServer
  34 {
  35         public ComputeServerImpl() throws RemoteException
  36         {
  37 
  38     }
  39 
  40     /**
  41      * Accepts task and runs it
  42      */
  43     public Object compute(Task task) {
  44         return task.run();
  45     }
  46 
  47     /**
  48      * Binds compute server and waits for tasks
  49      */
  50     public static void main(String args[]) throws Exception
  51         {
  52                 // use the default, restrictive security manager
  53                 System.setSecurityManager(new RMISecurityManager());
  54 
  55                 Naming.rebind("/ComputeServer", new ComputeServerImpl());
  56                 System.out.println("Ready to receive tasks.");
  57 
  58                 System.err.println("DTI_DoneInitializing");
  59     }
  60 }