Mercurial > pub > bltoolkit

comparison Source/Mapping/MapResultSet.cs @ 0:f990fcb411a9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Копия текущей версии из github
author cin
date Thu, 27 Mar 2014 21:46:09 +0400
parents
children
comparison
equal deleted inserted replaced
-1:000000000000 0:f990fcb411a9
1 using System;
2 using System.Collections;
3 using System.Collections.Generic;
4
5 namespace BLToolkit.Mapping
6 {
7 public class MapResultSet
8 {
9 public MapResultSet(Type objectType)
10 {
11 _objectType = objectType;
12 }
13
14 public MapResultSet(Type objectType, IList list)
15 {
16 _objectType = objectType;
17 _list = list;
18 }
19
20 public MapResultSet(Type objectType, object[] parameters)
21 {
22 _objectType = objectType;
23 _parameters = parameters;
24 }
25
26 public MapResultSet(Type objectType, IList list, object[] parameters)
27 {
28 _objectType = objectType;
29 _parameters = parameters;
30 _list = list;
31 }
32
33 internal MapResultSet(MapResultSet resultSet)
34 {
35 _objectType = resultSet._objectType;
36 _parameters = resultSet._parameters;
37
38 if (resultSet._relationList != null)
39 {
40 _relationList = new List<MapRelation>(resultSet._relationList.Count);
41 _relationList.AddRange(resultSet._relationList);
42 }
43 }
44
45 private readonly Type _objectType;
46 internal Type ObjectType
47 {
48 get { return _objectType; }
49 }
50
51 private object[] _parameters;
52 public object[] Parameters
53 {
54 get { return _parameters; }
55 set { _parameters = value; }
56 }
57
58 private IList _list;
59 public IList List
60 {
61 get { return _list ?? (_list = new List<object>()); }
62 set { _list = value; }
63 }
64
65 private MapRelation[] _relations;
66 internal MapRelation[] Relations
67 {
68 get
69 {
70 if (_relationList != null && (_relations == null || _relations.Length != _relationList.Count))
71 _relations = _relationList.ToArray();
72
73 return _relations;
74 }
75
76 set { _relations = value; }
77 }
78
79 private List<MapRelation> _relationList;
80
81 public void AddRelation(
82 MapResultSet slaveResultSet,
83 MapIndex slaveIndex,
84 MapIndex masterIndex,
85 string containerName)
86 {
87 if (_relationList == null)
88 _relationList = new List<MapRelation>();
89
90 _relationList.Add(new MapRelation(slaveResultSet, slaveIndex, masterIndex, containerName));
91 }
92
93 public void AddRelation(
94 MapResultSet slaveResultSet,
95 string slaveIndex,
96 string masterIndex,
97 string containerName)
98 {
99 AddRelation( slaveResultSet, new MapIndex(slaveIndex), new MapIndex(masterIndex),containerName);
100 }
101
102 public void AddRelation(MapResultSet slaveResultSet, MapRelationBase relation)
103 {
104 AddRelation(slaveResultSet, relation.SlaveIndex, relation.MasterIndex, relation.ContainerName);
105 }
106
107 readonly Dictionary<string,IDictionary<object,IList>> _indexies = new Dictionary<string,IDictionary<object,IList>>();
108
109 public IDictionary<object,IList> GetIndex(MappingSchema ms, MapIndex masterIndex)
110 {
111 var indexId = masterIndex.ID;
112
113 IDictionary<object,IList> indexHash;
114
115 if (_indexies.TryGetValue(indexId, out indexHash))
116 return indexHash;
117
118 var masterMapper = ms.GetObjectMapper(ObjectType);
119
120 indexHash = new Dictionary<object, IList>();
121
122 foreach (var o in List)
123 {
124 var key = masterIndex.GetValueOrIndex(masterMapper, o);
125
126 if (ms.IsNull(key))
127 continue;
128
129 IList matches;
130
131 if (!indexHash.TryGetValue(key, out matches))
132 indexHash.Add(key, matches = new List<object>());
133
134 matches.Add(o);
135 }
136
137 return indexHash;
138 }
139
140 public IDictionary<object,IList> GetIndex(MappingSchema ms, MapRelation relation)
141 {
142 return GetIndex(ms, relation.MasterIndex);
143 }
144 }
145 }
146