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source: branches/3107_LearningALPS/HeuristicLab.Services.Hive.DataAccess/3.3/Daos/AssignedResourceDao.cs @ 18242

Last change on this file since 18242 was 17180, checked in by swagner, 5 years ago

#2875: Removed years in copyrights

File size: 2.1 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 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.Data.Linq;
24using System.Linq;
25
26namespace HeuristicLab.Services.Hive.DataAccess.Daos {
27  public class AssignedResourceDao : GenericDao<Guid, AssignedResource> {
28    public AssignedResourceDao(DataContext dataContext) : base(dataContext) { }
29
30    public override AssignedResource GetById(Guid id) {
31      throw new NotImplementedException();
32    }
33
34    public IQueryable<AssignedResource> GetByTaskId(Guid taskId) {
35      return Table.Where(x => x.TaskId == taskId);
36    }
37
38    public bool TaskIsAllowedToBeCalculatedBySlave(Guid taskId, Guid slaveId) {
39      return DataContext.ExecuteQuery<int>(TaskIsAllowedToBeCalculatedBySlaveQueryString, slaveId, taskId).First() > 0;
40    }
41
42    #region String queries
43    private const string TaskIsAllowedToBeCalculatedBySlaveQueryString = @"
44      WITH pr AS (
45        SELECT ResourceId, ParentResourceId
46        FROM [Resource]
47        WHERE ResourceId = {0}
48        UNION ALL
49        SELECT r.ResourceId, r.ParentResourceId
50        FROM [Resource] r JOIN pr ON r.ResourceId = pr.ParentResourceId
51      )
52      SELECT COUNT(ar.TaskId)
53      FROM pr JOIN AssignedResources ar ON pr.ResourceId = ar.ResourceId
54      WHERE ar.TaskId = {1}
55    ";
56    #endregion
57  }
58}
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