source: trunk/sources/HeuristicLab.Hive.Server.ADODataAccess/3.2/ClientGroupAdapter.cs @ 1597

Last change on this file since 1597 was 1597, checked in by svonolfe, 12 years ago

Refactored ResourceAdapter (polymorphic implementation) (#372)

File size: 4.9 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;
26
27using HeuristicLab.Hive.Server.DataAccess;
28using HeuristicLab.Hive.Contracts.BusinessObjects;
29using System.Data;
30using HeuristicLab.DataAccess.ADOHelper;
31using HeuristicLab.Hive.Server.ADODataAccess.dsHiveServerTableAdapters;
32using System.Data.Common;
33using System.Data.SqlClient;
34using HeuristicLab.Hive.Server.ADODataAccess.TableAdapterWrapper;
35
36namespace HeuristicLab.Hive.Server.ADODataAccess {
37  class ClientGroupAdapter :
38    DataAdapterBase<dsHiveServerTableAdapters.ClientGroupTableAdapter,
39    ClientGroup,
40    dsHiveServer.ClientGroupRow>,
41    IClientGroupAdapter {
42    #region Fields
43    private ManyToManyRelationHelper<
44      dsHiveServerTableAdapters.ClientGroup_ResourceTableAdapter,
45      dsHiveServer.ClientGroup_ResourceRow> manyToManyRelationHelper = null;
46
47    private ManyToManyRelationHelper<dsHiveServerTableAdapters.ClientGroup_ResourceTableAdapter,
48      dsHiveServer.ClientGroup_ResourceRow> ManyToManyRelationHelper {
49      get {
50        if (manyToManyRelationHelper == null) {
51          manyToManyRelationHelper =
52            new ManyToManyRelationHelper<dsHiveServerTableAdapters.ClientGroup_ResourceTableAdapter,
53              dsHiveServer.ClientGroup_ResourceRow>(new ClientGroup_ResourceAdapterWrapper());
54        }
55
56        manyToManyRelationHelper.Session = Session as Session;
57
58        return manyToManyRelationHelper;
59      }
60    }
61
62    private IResourceAdapter resourceAdapter = null;
63
64    private IResourceAdapter ResAdapter {
65      get {
66        if (resourceAdapter == null)
67          resourceAdapter =
68            this.Session.GetDataAdapter<Resource, IResourceAdapter>();
69
70        return resourceAdapter;
71      }
72    }
73    #endregion
74
75    public ClientGroupAdapter():
76      base(new ClientGroupAdapterWrapper()) {
77    }
78
79    #region Overrides
80    protected override ClientGroup ConvertRow(dsHiveServer.ClientGroupRow row,
81      ClientGroup clientGroup) {
82      if (row != null && clientGroup != null) {
83        /*Parent - Permission Owner*/
84        clientGroup.Id = row.ResourceId;
85        ResAdapter.GetById(clientGroup.Id);
86
87        ICollection<Guid> resources =
88          ManyToManyRelationHelper.GetRelationships(clientGroup.Id);
89
90       clientGroup.Resources.Clear();
91        foreach(Guid resource in resources) {
92          Resource res =
93            ResAdapter.GetByIdPolymorphic(resource);
94
95            clientGroup.Resources.Add(res);         
96        }
97
98        return clientGroup;
99      } else
100        return null;
101    }
102
103    protected override dsHiveServer.ClientGroupRow ConvertObj(ClientGroup clientGroup,
104      dsHiveServer.ClientGroupRow row) {
105      if (clientGroup != null && row != null) {
106        row.ResourceId = clientGroup.Id;
107      }
108
109      return row;
110    }
111    #endregion
112
113    #region IClientGroupAdapter Members
114    protected override void doUpdate(ClientGroup group) {
115      if (group != null) {
116        ResAdapter.Update(group);
117
118        base.doUpdate(group);
119
120        List<Guid> relationships =
121          new List<Guid>();
122        foreach(Resource res in group.Resources) {
123          ResAdapter.UpdatePolymorphic(res);
124
125          relationships.Add(res.Id);
126        }
127
128        ManyToManyRelationHelper.UpdateRelationships(group.Id,
129          relationships);
130      }
131    }
132
133    public ClientGroup GetByName(string name) {
134      ClientGroup group = new ClientGroup();
135      Resource res =
136        ResAdapter.GetByName(name);
137
138      if (res != null) {
139        return GetById(res.Id);
140      }
141
142      return null;
143    }
144
145    public ICollection<ClientGroup> MemberOf(Resource resource) {
146      throw new NotImplementedException();
147    }
148
149    protected override bool doDelete(ClientGroup group) {
150      if (group != null) {
151        //delete all relationships
152        ManyToManyRelationHelper.UpdateRelationships(group.Id,
153          new List<Guid>());
154
155        return base.doDelete(group) &&
156          ResAdapter.Delete(group);
157      }
158
159      return false;
160    }
161
162    #endregion
163  }
164}
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