examples/java/master_slave_kill/Master.java

   1 /*
   2  * Master of a basic master/slave example in Java
   3  *
   4  * Copyright (c) 2006-2013. The SimGrid Team.
   5  * All rights reserved.
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the license (GNU LGPL) which comes with this package.
   9  */
  10
  11 package master_slave_kill;
  12 import org.simgrid.msg.HostNotFoundException;
  13 import org.simgrid.msg.Msg;
  14 import org.simgrid.msg.MsgException;
  15 import org.simgrid.msg.Process;
  16 import org.simgrid.msg.Task;
  17
  18 import master_slave_kill.FinalizeTask;
  19
  20 public class Master extends Process {
  21         public Master(String hostname, String name) throws HostNotFoundException {
  22                 super(hostname, name);
  23         }
  24         public void main(String[] args) throws MsgException {
  25                 Msg.info("Master Hello!");
  26                 Process process2 = null;
  27                 //Create a slave on host "alice"
  28                 try {
  29                         Msg.info("Create process on host 'alice'");
  30                     process2 = new Slave("alice","slave");
  31                     process2.start();
  32                 } catch (MsgException e){
  33                     System.out.println("Process2!");
  34                 }
  35
  36                 //Wait for slave "alice"
  37                 while(true)
  38                 {
  39                                 Task task = Task.receive("mail1");
  40                                 if (task instanceof FinalizeTask) {
  41                                         Msg.info("Received mail1!");
  42                                         break;
  43                                 }
  44                 }
  45                 process2.kill();
  46
  47                 Msg.info("Process2 is now killed, should exit now");
  48         }
  49 }