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source: branches/Persistence Test/HeuristicLab.Hive.Server.Core/3.2/ClientFacade.cs @ 3362

Last change on this file since 3362 was 2122, checked in by svonolfe, 15 years ago

Fixed issue related to the streaming of results (#680)

File size: 4.4 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2008 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab 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
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System;
23using System.Collections.Generic;
24using System.Linq;
25using System.Text;
26using HeuristicLab.Hive.Contracts.Interfaces;
27using HeuristicLab.Hive.Contracts.BusinessObjects;
28using HeuristicLab.Hive.Contracts;
29using HeuristicLab.PluginInfrastructure;
30using System.IO;
31using System.Runtime.Serialization.Formatters.Binary;
32using System.ServiceModel;
33using HeuristicLab.Hive.Server.Core.InternalInterfaces;
34
35namespace HeuristicLab.Hive.Server.Core {
36  [ServiceBehavior(InstanceContextMode =
37    InstanceContextMode.PerCall, ConcurrencyMode = ConcurrencyMode.Multiple)]
38  class ClientFacade: IClientFacade {
39
40    private IClientCommunicator clientCommunicator =
41      ServiceLocator.GetClientCommunicator();
42
43    #region IClientCommunicator Members
44
45    public Response Login(ClientInfo clientInfo) {
46      return clientCommunicator.Login(clientInfo);
47    }
48
49    public ResponseHB ProcessHeartBeat(HeartBeatData hbData) {
50      return clientCommunicator.ProcessHeartBeat(hbData);
51    }
52
53    public ResponseJob SendJob(Guid clientId) {
54      return clientCommunicator.SendJob(clientId);
55    }
56
57    public ResponseSerializedJob SendSerializedJob(Guid clientId) {
58      return clientCommunicator.SendSerializedJob(clientId);
59    }
60
61    public ResponseResultReceived StoreFinishedJobResult(Guid clientId,
62      Guid jobId,
63      byte[] result,
64      double percentage,
65      Exception exception) {
66      return clientCommunicator.StoreFinishedJobResult(clientId, jobId, result, percentage, exception);
67    }
68
69    public Response Logout(Guid clientId) {
70      return clientCommunicator.Logout(clientId);
71    }
72
73    public Response IsJobStillNeeded(Guid jobId) {
74      return clientCommunicator.IsJobStillNeeded(jobId);
75    }
76
77    public ResponsePlugin SendPlugins(List<HivePluginInfo> pluginList) {
78      return clientCommunicator.SendPlugins(pluginList);
79    }
80
81    public ResponseResultReceived ProcessSnapshot(Guid clientId, Guid jobId, byte[] result, double percentage, Exception exception) {
82      return clientCommunicator.ProcessSnapshot(clientId, jobId, result, percentage, exception);
83    }
84
85    #endregion
86
87    #region IClientFacade Members
88
89    public Stream SendStreamedJob(Guid clientId) {
90      MultiStream stream =
91        new MultiStream();
92
93      ResponseJob job =
94        this.SendJob(clientId);
95
96      //first send response
97      stream.AddStream(
98        new StreamedObject<ResponseJob>(job));
99
100      IJobManager jobManager =
101        ServiceLocator.GetJobManager();
102
103      //second stream the job binary data
104      stream.AddStream(
105        ((IInternalJobManager)(jobManager)).
106        GetJobStreamById(
107          job.Job.Id));
108
109      OperationContext clientContext = OperationContext.Current;
110        clientContext.OperationCompleted += new EventHandler(delegate(object sender, EventArgs args) {
111          if (stream != null) {
112            stream.Dispose();
113          }
114        });
115
116      return stream;
117    }
118
119    public Stream SendStreamedPlugins(List<HivePluginInfo> pluginList) {
120      return
121        new StreamedObject<ResponsePlugin>(
122          this.SendPlugins(pluginList));
123    }
124
125    public ResponseResultReceived StoreFinishedJobResultStreamed(Stream stream) {
126      return ((IInternalClientCommunicator)
127        clientCommunicator).ProcessJobResult(stream, true);
128    }
129
130    public ResponseResultReceived ProcessSnapshotStreamed(Stream stream) {
131      return ((IInternalClientCommunicator)
132        clientCommunicator).ProcessJobResult(stream, false);
133    }
134
135    #endregion
136  }
137}
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