1 /*

     2  * Copyright 1998 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    23 

    24 import java.rmi.*;

    25 import java.rmi.activation.*;

    26 

    27 public class Doctor

    28     extends Activatable

    29     implements Eliza, Retireable

    30 {

    31     // reanimation constructor

    32     public Doctor(ActivationID id, MarshalledObject blah)

    33         throws RemoteException

    34     {

    35         super(id, 0);   // export self on port 0 (== assign randomly)

    36         System.out.println("Doctor constructed and exported");

    37     }

    38 

    39     private boolean asked = false;

    40 

    41     // implement Eliza.complain()

    42     public String complain(String plaint)

    43     {

    44         System.out.println("Doctor will see you now");

    45         if (this.asked) {

    46             return ("DO GO ON?");

    47         } else {

    48             this.asked = true;

    49             return ("TELL ME ABOUT YOUR MOTHER");

    50         }

    51     }

    52 

    53     // implement Retireable.retire()

    54     public void retire()

    55     {

    56         System.out.println("Doctor retiring");

    57         try {

    58             Activatable.inactive(this.getID());

    59             ActivationGroup.getSystem().unregisterObject(this.getID());

    60             (new HaraKiri()).start();

    61 

    62         } catch (UnknownObjectException uoe) {

    63             System.err.println("Exception in Activatable.inactive:");

    64             uoe.printStackTrace();

    65 

    66         } catch (ActivationException ae) {

    67             System.err.println("Exception in Activatable.inactive:");

    68             ae.printStackTrace();

    69 

    70         } catch (RemoteException re) {

    71             System.err.println("Exception in Activatable.inactive:");

    72             re.printStackTrace();

    73         }

    74     }

    75 

    76     private static class HaraKiri extends Thread

    77     {

    78         public HaraKiri() {

    79             super("Thread-of-Death");

    80         }

    81 

    82         public void run()

    83         {

    84             try {

    85                 Thread.sleep(5000);

    86             } catch (Exception foo) {

    87             }

    88             System.exit(0);

    89         }

    90     }

    91 }