Deployment_PDA


1   /*====================================================================
2   
3   OpenCCM: The Open CORBA Component Model Platform
4   Copyright (C) 2000-2002 USTL - LIFL - GOAL
5   Contact: openccm-team@objectweb.org
6   
7   This library is free software; you can redistribute it and/or
8   modify it under the terms of the GNU Lesser General Public
9   License as published by the Free Software Foundation; either
10  version 2.1 of the License, or any later version.
11  
12  This library is distributed in the hope that it will be useful,
13  but WITHOUT ANY WARRANTY; without even the implied warranty of
14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  Lesser General Public License for more details.
16  
17  You should have received a copy of the GNU Lesser General Public
18  License along with this library; if not, write to the Free Software
19  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
20  USA
21  
22  Initial developer(s): Philippe Merle, Sylvain Leblanc.
23  Contributor(s): Christophe Demarey, Christophe Contreras.
24  
25  ====================================================================*/
26  
27  package DiningPhilosophers.cif;
28  
29  import DiningPhilosophers.*;
30  
31  /**
32   * The philosopher dinner application deployment.
33   *
34   * <p>
35   * This application is composed of four philosopher 
36   * components, four fork manager components and one observer 
37   * component distributed on two servers. 
38   * These servers must be named "ComponentServer1" and "ComponentServer2". 
39   * The OpenCCM_plugins.jar archive must be 
40   * in the current directory and DinningPhilosophers.jar archive
41   * must be in <code>./archives</code> directory.
42   * </p>
43   *
44   * @author <a HREF="mailto:Philippe.Merle@lifl.fr">Philippe Merle</a> 
45   * @author <a HREF="mailto:Sylvain.Leblanc@lifl.fr">Sylvain Leblanc</a> 
46   * @author <a HREF="mailto:Christophe.Demarey@lifl.fr">Christophe Demarey</a>
47   *
48   * @version 2.0
49   */
50  
51  public class Deployment_PDA
52  {
53      /**
54       * The bootstrap of the dinner application.
55       */
56      public static void
57      main(String  [] args)
58      throws Exception  
59      {
60          String   _OTS = System.getProperties().getProperty("TRANSACTIONAL_PLUGIN","no").toLowerCase();
61  
62          // Init the ORB.
63          System.out.println("Initializing the ORB...");
64  
65          // TODO: Need to report this ORB.init() problem to OpenORB developers!
66          // Due to an OpenORB problem, the following lines:
67          //   org.omg.CORBA.ORB orb = org.omg.CORBA.ORB.init(args, null);
68          //   fr.lifl.goal.OpenCCM.Components.Runtime.init(orb);
69          // are replaced by the next line.
70  
71          // Init the OpenCCM Components Runtime.
72          org.omg.CORBA.ORB   orb =
73              org.objectweb.openccm.Components.Runtime.init(args);
74  
75          // Obtain the Name Service.
76          System.out.println("Obtaining the Name Service...");
77          org.omg.CORBA.Object   obj =
78              orb.resolve_initial_references("NameService");
79          org.omg.CosNaming.NamingContext   ns =
80              org.omg.CosNaming.NamingContextHelper.narrow(obj);
81          obj = orb.resolve_initial_references("CommonNameService");
82          org.omg.CosNaming.NamingContext   cns =
83              org.omg.CosNaming.NamingContextHelper.narrow(obj);
84  
85          org.omg.CosTransactions.Current current = null;
86          if (_OTS.equals("yes"))
87          {
88              System.out.println("Obtaining the Transaction Service...");
89              org.omg.CORBA.Object   objOTS = orb.resolve_initial_references("TransactionCurrent");
90              current = org.omg.CosTransactions.CurrentHelper.narrow( objOTS );
91          }
92  
93          try
94          {
95              if ((current!=null)&&(_OTS.equals("yes")))
96              {
97                  System.out.println("Beginning the transaction...");
98                  current.begin();
99              }
100 
101             // Obtain the component servers.
102             System.out.println("Obtaining Component Servers...");
103             String   cs1_name = System.getProperty("org.objectweb.ccm.DiningPhilosophers.CS1");
104             String   cs2_name = System.getProperty("org.objectweb.ccm.DiningPhilosophers.CS2");
105 
106             org.omg.CosNaming.NameComponent  [] ncomp =
107                 new org.omg.CosNaming.NameComponent  [1];
108             ncomp[0] = new org.omg.CosNaming.NameComponent  (cs1_name, "");
109             obj = ns.resolve(ncomp);
110             org.objectweb.openccm.Deployment.Server server1 =
111                 org.objectweb.openccm.Deployment.ServerHelper.narrow(obj);
112             ncomp[0].id = cs2_name;
113             obj = ns.resolve(ncomp);
114             org.objectweb.openccm.Deployment.Server server2 =
115                 org.objectweb.openccm.Deployment.ServerHelper.narrow(obj);
116 
117             // Obtain the home factories and archive installators.
118             org.omg.Components.Deployment.ComponentServer server1_cs =
119                 server1.provide_component_server();
120             org.omg.Components.Deployment.ComponentInstallation server1_inst =
121                 server1.provide_install();
122             org.omg.Components.Deployment.ComponentServer server2_cs =
123                 server2.provide_component_server();
124             org.omg.Components.Deployment.ComponentInstallation server2_inst =
125                 server2.provide_install();
126 
127             // Install archives.
128             System.out.println("Installing archives...");
129             String   http_server = System.getProperty("org.objectweb.ccm.DiningPhilosophers.http");
130             server1_inst.install("dinner", http_server + "DiningPhilosophers.jar");
131             server2_inst.install("dinner", http_server + "DiningPhilosophers.jar");
132             // install some plugins already provided by OpenCCM.
133             server1_inst.install("openccm_plugins", http_server + "DiningPhilosophers.jar");
134             server2_inst.install("openccm_plugins", http_server + "DiningPhilosophers.jar");
135 
136             // declaring the container types
137             String   cont_config =
138                 "container = CONTAINER.container ; " +
139                 "config_home = container.create_system_home("+
140                     "\"openccm_plugins\", " +
141                     "\"EmptyConfig\", "+
142                     "\"org.objectweb.openccm.Containers.Plugins.EmptyConfigurationHome.create\") ;"+
143                 "config = config_home.create_component(JAVA.null) ;" +
144                 "container.create_system_home("+
145                     "\"openccm_plugins\", " +
146                     "\"EmptyCoordinatorHome\", "+
147                     "\"org.objectweb.openccm.Containers.Plugins.EmptyCoordinatorHome.create\") ;"+
148                 "container.create_system_home("+
149                     "\"openccm_plugins\", " +
150                     "\"EmptyControllerHome\", "+
151                     "\"org.objectweb.openccm.Containers.Plugins.EmptyControllerHome.create\") ;"+
152                 "container.set_container_configuration(config) ;";
153 
154             // instantiate a container on each server.
155             org.omg.Components.ConfigValue[] config = new org.omg.Components.ConfigValue[1];
156             config[0] = new org.objectweb.openccm.Components.ConfigValueImpl();
157             config[0].name = "container_script";
158             org.omg.CORBA.TypeCode   string_tc =
159                 org.objectweb.openccm.corba.TheORB.getORB().get_primitive_tc(org.omg.CORBA.TCKind.tk_string);
160             org.omg.CORBA.Any   value =
161                 org.objectweb.openccm.corba.TheDynamicAnyFactory.getFactory().
162                 create_dyn_any_from_type_code(string_tc).to_any();
163             value.insert_string(cont_config);
164             config[0].value = value;
165 
166 
167             org.omg.Components.Deployment.Container server1_cont =
168                 server1_cs.create_container(config);
169             org.omg.Components.Deployment.Container server2_cont =
170                 server2_cs.create_container(config);
171 
172             // Create homes.
173             System.out.println("Instantiating homes...");
174 
175             // define a container configuration.
176             java.lang.String   home_config =
177                 "container.set_home_configuration(container.get_container_configuration()) ;" +
178                 "container.set_component_configuration(container.get_container_configuration()) ;";
179 
180             config[0].name = "home_script";
181             value.insert_string(home_config);
182             config[0].value = value;
183 
184             // install homes with this container configuration.
185 
186             // On tof's PDA
187             org.omg.Components.CCMHome h =
188                 server1_cont.install_home("dinner",
189                                           "DiningPhilosophers.cif.ObserverHomePdaImpl.create_home",
190                                           config);
191             ObserverHome oh_pda = ObserverHomeHelper.narrow(h);
192             h = server1_cont.install_home("dinner",
193                                           "DiningPhilosophers.cif.PhilosopherHomePdaImpl.create_home",
194                                           config);
195             PhilosopherHome ph_pda = PhilosopherHomeHelper.narrow(h);
196 
197             // On sly laptop
198             h = server2_cont.install_home("dinner",
199                                           "DiningPhilosophers.cif.ObserverHomeImpl.create_home",
200                                           config);
201             ObserverHome oh = ObserverHomeHelper.narrow(h);
202 
203             h = server2_cont.install_home("dinner",
204                                           "DiningPhilosophers.cif.PhilosopherHomeImpl.create_home",
205                                           config);
206             PhilosopherHome ph = PhilosopherHomeHelper.narrow(h);
207 
208             h = server2_cont.install_home("dinner",
209                                           "DiningPhilosophers.cif.ForkHomeImpl.create_home",
210                                           config);
211             ForkHome fh = ForkHomeHelper.narrow(h);
212 
213             // Register homes in the name service
214 
215             // creating OpenCCM Context
216             org.omg.CosNaming.NameComponent  [] nc =
217                 new org.omg.CosNaming.NameComponent  [1];
218             nc[0] = new org.omg.CosNaming.NameComponent  ();
219             nc[0].id = "OpenCCM_PDA";
220             nc[0].kind = "";
221 
222             try {
223                 ns = cns.bind_new_context(nc);
224             } catch (org.omg.CosNaming.NamingContextPackage.AlreadyBound   ex) {
225                 ns = org.omg.CosNaming.NamingContextHelper.narrow(cns.resolve(nc));
226             }
227 
228             nc[0].id = "ObserverHomePC";
229             ns.rebind(nc, oh);
230 
231             nc[0].id = "PhilosopherHome";
232             ns.rebind(nc, ph);
233 
234             nc[0].id = "ForkHome";
235             ns.rebind(nc, fh);
236 
237             nc[0].id = "ObserverHome";
238             ns.rebind(nc, oh_pda);
239 
240             nc[0].id = "PhilosopherHomePDA";
241             ns.rebind(nc, ph_pda);
242 
243         } catch (Exception   e) {
244             if ((current!=null)&&(_OTS.equals("yes")))
245             {
246                 System.out.println("Error during deployment :");
247                 e.printStackTrace();
248                 System.out.print("Rolling Back ... ");
249                 current.rollback();
250                 System.out.println("Done");
251                 // Force to exit.
252                 System.exit(0);
253             }
254             throw e;
255         }
256 
257         if ((current!=null)&&(_OTS.equals("yes")))
258         {
259             System.out.print("Do you want to commit the Deployment ? [Y/n] ");
260 
261             java.io.BufferedReader   _buffer
262                 = new java.io.BufferedReader  (new java.io.InputStreamReader  (System.in));
263             char _answer = (char) _buffer.read();
264 
265             if ((_answer=='n')||(_answer=='N'))
266             {
267                 System.out.print("Rolling Back ... ");
268                 current.rollback();
269                 System.out.println("Done");
270             }  else {
271                 System.out.print("Committing ... ");
272                 current.commit(false);
273                 System.out.println("Done");
274             }
275         }
276 
277         // Force to exit.
278         System.exit(0);
279         }
280     }
281
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags