| 1 | #Region "Microsoft.VisualBasic::5fe28d8fe19788ad638c9172a49963b1, Microsoft.VisualBasic.Core\ComponentModel\Ranges\Selector\NumericTagged.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 | ' Structure NumericTagged |
| 35 | ' |
| 36 | ' Properties: IValueOf_Value |
| 37 | ' |
| 38 | ' Constructor: (+1 Overloads) Sub New |
| 39 | ' Function: (+3 Overloads) CompareTo, ToString |
| 40 | ' |
| 41 | ' |
| 42 | ' /********************************************************************************/ |
| 43 | |
| 44 | #End Region |
| 45 | |
| 46 | Imports Microsoft.VisualBasic.ComponentModel.TagData |
| 47 | Imports Microsoft.VisualBasic.Language |
| 48 | Imports Microsoft.VisualBasic.Serialization.JSON |
| 49 | |
| 50 | Namespace ComponentModel.Ranges |
| 51 | |
| 52 | ''' <summary> |
| 53 | ''' Almost equals to <see cref="DoubleTagged(Of T)"/>, but this object is a structure type. |
| 54 | ''' (作用几乎等同于<see cref="DoubleTagged(Of T)"/>,只不过这个是Structure类型,开销会小一些) |
| 55 | ''' </summary> |
| 56 | ''' <typeparam name="T"></typeparam> |
| 57 | Public Structure NumericTagged(Of T) : Implements IComparable(Of Double), IComparable, IComparable(Of NumericTagged(Of T)) |
| 58 | Implements Value(Of T).IValueOf |
| 59 | |
| 60 | Dim tag# |
| 61 | Dim value As T |
| 62 | |
| 63 | Private Property IValueOf_Value As T Implements Value(Of T).IValueOf.Value |
| 64 | |
| 65 | Sub New(tag#, value As T) |
| 66 | Me.tag = tag |
| 67 | Me.value = value |
| 68 | End Sub |
| 69 | |
| 70 | Public Overrides Function ToString() As String |
| 71 | Return $"#{tag} {value.GetJson}" |
| 72 | End Function |
| 73 | |
| 74 | ''' <summary> |
| 75 | ''' 比较的是<see cref="Tag"/>属性 |
| 76 | ''' </summary> |
| 77 | ''' <param name="other"></param> |
| 78 | ''' <returns></returns> |
| 79 | Public Function CompareTo(other As Double) As Integer Implements IComparable(Of Double).CompareTo |
| 80 | Dim d = tag - other |
| 81 | |
| 82 | If d = 0R Then |
| 83 | Return 0 |
| 84 | Else |
| 85 | Return Math.Sign(d) |
| 86 | End If |
| 87 | End Function |
| 88 | |
| 89 | Public Function CompareTo(obj As Object) As Integer Implements IComparable.CompareTo |
| 90 | If obj Is Nothing Then |
| 91 | Return 1 |
| 92 | Else |
| 93 | Dim type = obj.GetType |
| 94 | |
| 95 | If type = GetType(Double) Then |
| 96 | Return CompareTo(CDbl(obj)) |
| 97 | ElseIf type = GetType(NumericTagged(Of T)) Then |
| 98 | Return CompareTo(DirectCast(obj, NumericTagged(Of T)).tag) |
| 99 | Else |
| 100 | Return 1 |
| 101 | End If |
| 102 | End If |
| 103 | End Function |
| 104 | |
| 105 | Public Function CompareTo(other As NumericTagged(Of T)) As Integer Implements IComparable(Of NumericTagged(Of T)).CompareTo |
| 106 | Return CompareTo(other.tag) |
| 107 | End Function |
| 108 | End Structure |
| 109 | End Namespace |