[12468] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[14185] | 3 | * Copyright (C) 2002-2016 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[12468] | 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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[15497] | 23 | using System.Collections.Generic;
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[12468] | 24 | using System.Data.Linq;
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| 25 | using System.Linq;
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| 26 |
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| 27 | namespace HeuristicLab.Services.Hive.DataAccess.Daos {
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| 28 | public class ResourceDao : GenericDao<Guid, Resource> {
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| 29 | public ResourceDao(DataContext dataContext) : base(dataContext) { }
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| 30 |
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| 31 | public override Resource GetById(Guid id) {
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[12691] | 32 | return GetByIdQuery(DataContext, id);
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[12468] | 33 | }
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| 34 |
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[12691] | 35 | public Resource GetByName(string name) {
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| 36 | return GetByNameQuery(DataContext, name);
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| 37 | }
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| 38 |
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[12468] | 39 | public IQueryable<Resource> GetResourcesWithValidOwner() {
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| 40 | return Table.Where(x => x.OwnerUserId != null);
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| 41 | }
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[12691] | 42 |
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[15503] | 43 | public IEnumerable<Resource> GetResourcesByParentId(Guid id) {
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| 44 | return DataContext.ExecuteQuery<Resource>(GetResourcesByParentIdQuery, id);
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| 45 | }
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| 46 |
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[15497] | 47 | public IEnumerable<Guid> GetResourceIdsByParentId(Guid id) {
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| 48 | return DataContext.ExecuteQuery<Guid>(GetResourceIdsByParentIdQuery, id);
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| 49 | }
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| 50 |
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[15503] | 51 | public IEnumerable<Resource> GetResourcesByChildId(Guid id) {
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| 52 | return DataContext.ExecuteQuery<Resource>(GetResourcesByChildIdQuery, id);
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[15497] | 53 | }
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| 54 |
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[15503] | 55 | public IEnumerable<Guid> GetResourceIdsByChildId(Guid id) {
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| 56 | return DataContext.ExecuteQuery<Guid>(GetResourceIdsByChildIdQuery, id);
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| 57 | }
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| 58 |
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[12691] | 59 | #region Compiled queries
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| 60 | private static readonly Func<DataContext, Guid, Resource> GetByIdQuery =
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| 61 | CompiledQuery.Compile((DataContext db, Guid resourceId) =>
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| 62 | (from resource in db.GetTable<Resource>()
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| 63 | where resource.ResourceId == resourceId
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| 64 | select resource).SingleOrDefault());
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| 65 |
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| 66 | private static readonly Func<DataContext, string, Resource> GetByNameQuery =
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| 67 | CompiledQuery.Compile((DataContext db, string name) =>
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| 68 | (from resource in db.GetTable<Resource>()
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| 69 | where resource.Name == name
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| 70 | select resource).FirstOrDefault());
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| 71 | #endregion
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[15497] | 72 |
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| 73 | #region String queries
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| 74 | private const string GetResourcesByParentIdQuery = @"
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[15503] | 75 | WITH rtree AS
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| 76 | (
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| 77 | SELECT ResourceId, ParentResourceId
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| 78 | FROM [Resource]
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| 79 | UNION ALL
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| 80 | SELECT rt.ResourceId, r.ParentResourceId
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| 81 | FROM [Resource] r
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| 82 | JOIN rtree rt ON rt.ParentResourceId = r.ResourceId AND r.ParentResourceId <> r.ResourceId AND rt.ParentResourceId <> rt.ResourceId
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| 83 | )
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| 84 | SELECT DISTINCT res.*
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| 85 | FROM rtree, [Resource] res
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| 86 | WHERE rtree.ParentResourceId = ({0})
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| 87 | AND rtree.ResourceId = res.ResourceId
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| 88 | ";
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| 89 | private const string GetResourceIdsByParentIdQuery = @"
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[15497] | 90 | WITH rtree AS
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| 91 | (
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| 92 | SELECT ResourceId, ParentResourceId
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| 93 | FROM [Resource]
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| 94 | UNION ALL
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| 95 | SELECT rt.ResourceId, r.ParentResourceId
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| 96 | FROM [Resource] r
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| 97 | JOIN rtree rt ON rt.ParentResourceId = r.ResourceId AND r.ParentResourceId <> r.ResourceId AND rt.ParentResourceId <> rt.ResourceId
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| 98 | )
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| 99 | SELECT DISTINCT rtree.ResourceId
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| 100 | FROM rtree
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| 101 | WHERE rtree.ParentResourceId = ({0})
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| 102 | ";
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[15503] | 103 | private const string GetResourcesByChildIdQuery = @"
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| 104 | WITH rtree AS
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[15497] | 105 | (
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| 106 | SELECT ResourceId, ParentResourceId
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| 107 | FROM [Resource]
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| 108 | UNION ALL
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| 109 | SELECT rt.ResourceId, r.ParentResourceId
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| 110 | FROM [Resource] r
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| 111 | JOIN rtree rt ON rt.ParentResourceId = r.ResourceId AND r.ParentResourceId <> r.ResourceId AND rt.ParentResourceId <> rt.ResourceId
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| 112 | )
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| 113 | SELECT DISTINCT res.*
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| 114 | FROM rtree, [Resource] res
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[15503] | 115 | WHERE rtree.ResourceId = ({0})
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| 116 | AND rtree.ParentResourceId = res.ResourceId
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[15497] | 117 | ";
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[15503] | 118 | private const string GetResourceIdsByChildIdQuery = @"
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| 119 | WITH rtree AS
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| 120 | (
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| 121 | SELECT ResourceId, ParentResourceId
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| 122 | FROM [Resource]
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| 123 | UNION ALL
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| 124 | SELECT rt.ResourceId, r.ParentResourceId
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| 125 | FROM [Resource] r
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| 126 | JOIN rtree rt ON rt.ParentResourceId = r.ResourceId AND r.ParentResourceId <> r.ResourceId AND rt.ParentResourceId <> rt.ResourceId
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| 127 | )
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| 128 | SELECT DISTINCT rtree.ParentResourceId
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| 129 | FROM rtree
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| 130 | WHERE rtree.ResourceId = ({0})
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| 131 | ";
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[15497] | 132 | #endregion
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[12468] | 133 | }
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| 134 | }
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