1 | #Region "Microsoft.VisualBasic::30597085f169577662e128cc9d9bf8e7, Microsoft.VisualBasic.Core\ApplicationServices\Parallel\Threads\Groups\DataGroup.vb" |
2 | |
3 | ' Author: |
4 | ' |
5 | ' asuka (amethyst.asuka@gcmodeller.org) |
6 | ' xie (genetics@smrucc.org) |
7 | ' xieguigang (xie.guigang@live.com) |
8 | ' |
9 | ' Copyright (c) 2018 GPL3 Licensed |
10 | ' |
11 | ' |
12 | ' GNU GENERAL PUBLIC LICENSE (GPL3) |
13 | ' |
14 | ' |
15 | ' This program is free software: you can redistribute it and/or modify |
16 | ' it under the terms of the GNU General Public License as published by |
17 | ' the Free Software Foundation, either version 3 of the License, or |
18 | ' (at your option) any later version. |
19 | ' |
20 | ' This program is distributed in the hope that it will be useful, |
21 | ' but WITHOUT ANY WARRANTY; without even the implied warranty of |
22 | ' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
23 | ' GNU General Public License for more details. |
24 | ' |
25 | ' You should have received a copy of the GNU General Public License |
26 | ' along with this program. If not, see <http://www.gnu.org/licenses/>. |
27 | |
28 | |
29 | |
30 | ' /********************************************************************************/ |
31 | |
32 | ' Summaries: |
33 | |
34 | ' Class TaggedGroupData |
35 | ' |
36 | ' Properties: Tag |
37 | ' |
38 | ' Function: ToString |
39 | ' |
40 | ' Class GroupListNode |
41 | ' |
42 | ' Properties: Count, Group, InitReads |
43 | ' |
44 | ' Function: GetEnumerator, IEnumerable_GetEnumerator, ToString |
45 | ' |
46 | ' Class GroupResult |
47 | ' |
48 | ' Properties: Count, Group, Tag |
49 | ' |
50 | ' Constructor: (+2 Overloads) Sub New |
51 | ' |
52 | ' Function: GetEnumerator, IEnumerable_GetEnumerator |
53 | ' |
54 | ' Sub: (+2 Overloads) Add |
55 | ' |
56 | ' |
57 | ' /********************************************************************************/ |
58 | |
59 | #End Region |
60 | |
61 | Namespace Parallel |
62 | |
63 | Public MustInherit Class TaggedGroupData(Of T_TAG) |
64 | Public Overridable Property Tag As T_TAG |
65 | |
66 | Public Overrides Function ToString() As String |
67 | Return Tag.ToString |
68 | End Function |
69 | End Class |
70 | |
71 | Public Class GroupListNode(Of T, T_TAG) : Inherits TaggedGroupData(Of T_TAG) |
72 | Implements IEnumerable(Of T) |
73 | |
74 | Dim _Group As List(Of T) |
75 | |
76 | Public Property Group As List(Of T) |
77 | Get |
78 | Return _Group |
79 | End Get |
80 | Set(value As List(Of T)) |
81 | _Group = value |
82 | If value.IsNullOrEmpty Then |
83 | _InitReads = 0 |
84 | Else |
85 | _InitReads = value.Count |
86 | End If |
87 | End Set |
88 | End Property |
89 | |
90 | Public ReadOnly Property Count As Integer |
91 | Get |
92 | Return Group.Count |
93 | End Get |
94 | End Property |
95 | |
96 | ''' <summary> |
97 | ''' 由于<see cref="Group"/>在分组之后的后续的操作的过程之中元素会发生改变, |
98 | ''' 所以在这个属性之中存储了在初始化<see cref="Group"/>列表的时候的原始的列表之中的元素的个数以满足一些其他的算法操作 |
99 | ''' </summary> |
100 | ''' <returns></returns> |
101 | Public ReadOnly Property InitReads As Integer |
102 | |
103 | Public Overrides Function ToString() As String |
104 | Return MyBase.ToString & $" // {NameOf(InitReads)}:={InitReads}, current:={Count}" |
105 | End Function |
106 | |
107 | Public Iterator Function GetEnumerator() As IEnumerator(Of T) Implements IEnumerable(Of T).GetEnumerator |
108 | For Each obj In Group |
109 | Yield obj |
110 | Next |
111 | End Function |
112 | |
113 | Private Iterator Function IEnumerable_GetEnumerator() As IEnumerator Implements IEnumerable.GetEnumerator |
114 | Yield GetEnumerator() |
115 | End Function |
116 | End Class |
117 | |
118 | ''' <summary> |
119 | ''' 分组操作的结果 |
120 | ''' </summary> |
121 | ''' <typeparam name="T">Group的元素的类型</typeparam> |
122 | ''' <typeparam name="Itag">Group的Key的类型</typeparam> |
123 | Public Class GroupResult(Of T, Itag) : Inherits TaggedGroupData(Of Itag) |
124 | Implements IEnumerable(Of T) |
125 | Implements IGrouping(Of Itag, T) |
126 | |
127 | Public Overrides Property Tag As Itag Implements IGrouping(Of Itag, T).Key |
128 | Public Property Group As T() |
129 | Get |
130 | Return __list.ToArray |
131 | End Get |
132 | Set(value As T()) |
133 | Call __list.Clear() |
134 | |
135 | If Not value.IsNullOrEmpty Then |
136 | Call __list.AddRange(value) |
137 | End If |
138 | End Set |
139 | End Property |
140 | |
141 | ReadOnly __list As New List(Of T) |
142 | |
143 | Public ReadOnly Property Count As Integer |
144 | Get |
145 | Return Group.Length |
146 | End Get |
147 | End Property |
148 | |
149 | Sub New() |
150 | End Sub |
151 | |
152 | Sub New(tag As Itag, data As IEnumerable(Of T)) |
153 | Me.Tag = tag |
154 | Me.Group = data.ToArray |
155 | End Sub |
156 | |
157 | Public Sub Add(x As T) |
158 | __list.Add(x) |
159 | End Sub |
160 | |
161 | Public Sub Add(source As IEnumerable(Of T)) |
162 | __list.AddRange(source) |
163 | End Sub |
164 | |
165 | Public Iterator Function GetEnumerator() As IEnumerator(Of T) Implements IEnumerable(Of T).GetEnumerator |
166 | For i As Integer = 0 To Group.Length - 1 |
167 | Yield Group(i) |
168 | Next |
169 | End Function |
170 | |
171 | Private Iterator Function IEnumerable_GetEnumerator() As IEnumerator Implements IEnumerable.GetEnumerator |
172 | Yield GetEnumerator() |
173 | End Function |
174 | End Class |
175 | End Namespace |