1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2011 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System;
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23 | using HeuristicLab.Clients.Common;
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24 |
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25 | namespace HeuristicLab.Clients.Hive {
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26 | public class HiveServiceLocator : IHiveServiceLocator {
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27 | private static IHiveServiceLocator instance = null;
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28 | public static IHiveServiceLocator Instance {
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29 | get {
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30 | if (instance == null) {
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31 | instance = new HiveServiceLocator();
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32 | }
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33 | return instance;
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34 | }
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35 | }
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36 |
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37 | private string username;
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38 | public string Username {
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39 | get { return username; }
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40 | set { username = value; }
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41 | }
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42 |
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43 | private string password;
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44 | public string Password {
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45 | get { return password; }
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46 | set { password = value; }
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47 | }
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48 |
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49 | private HiveServiceClient NewServiceClient() {
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50 | HiveServiceClient cl;
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51 | if (string.IsNullOrEmpty(username) && string.IsNullOrEmpty(password))
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52 | cl = ClientFactory.CreateClient<HiveServiceClient, IHiveService>();
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53 | else
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54 | cl = ClientFactory.CreateClient<HiveServiceClient, IHiveService>(null, null, username, password);
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55 |
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56 | return cl;
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57 | }
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58 |
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59 | public T CallHiveService<T>(Func<IHiveService, T> call) {
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60 | HiveServiceClient client = NewServiceClient();
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61 | HandleAnonymousUser(client);
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62 |
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63 | try {
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64 | return call(client);
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65 | }
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66 | finally {
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67 | try {
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68 | client.Close();
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69 | }
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70 | catch (Exception) {
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71 | client.Abort();
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72 | }
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73 | }
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74 | }
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75 |
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76 | public void CallHiveService(Action<IHiveService> call) {
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77 | HiveServiceClient client = NewServiceClient();
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78 | HandleAnonymousUser(client);
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79 |
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80 | try {
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81 | call(client);
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82 | }
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83 | finally {
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84 | try {
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85 | client.Close();
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86 | }
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87 | catch (Exception) {
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88 | client.Abort();
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89 | }
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90 | }
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91 | }
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92 |
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93 | private void HandleAnonymousUser(HiveServiceClient client) {
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94 | if (client.ClientCredentials.UserName.UserName == Settings.Default.AnonymousUserName) {
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95 | try {
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96 | client.Close();
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97 | }
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98 | catch (Exception) {
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99 | client.Abort();
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100 | }
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101 | throw new AnonymousUserException();
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102 | }
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103 | }
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104 | }
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105 | }
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