| 1 | #Region "Microsoft.VisualBasic::5055b1b77033779776ecce1a878dc53f, Microsoft.VisualBasic.Core\ComponentModel\DataStructures\Trigger.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 ITrigger |
| 35 | ' |
| 36 | ' Constructor: (+1 Overloads) Sub New |
| 37 | ' Sub: TestRun |
| 38 | ' |
| 39 | ' Interface ITimer |
| 40 | ' |
| 41 | ' Properties: Interval |
| 42 | ' |
| 43 | ' Sub: [Stop] |
| 44 | ' |
| 45 | ' Class ConditionTrigger |
| 46 | ' |
| 47 | ' Properties: Condition |
| 48 | ' |
| 49 | ' Constructor: (+1 Overloads) Sub New |
| 50 | ' Function: __test |
| 51 | ' |
| 52 | ' Class DailyTimerTrigger |
| 53 | ' |
| 54 | ' Constructor: (+2 Overloads) Sub New |
| 55 | ' Function: __test |
| 56 | ' |
| 57 | ' Class TimerTrigger |
| 58 | ' |
| 59 | ' Properties: Interval, Time |
| 60 | ' |
| 61 | ' Constructor: (+1 Overloads) Sub New |
| 62 | ' |
| 63 | ' Function: __test, Start, ToString |
| 64 | ' |
| 65 | ' Sub: [Stop] |
| 66 | ' |
| 67 | ' |
| 68 | ' /********************************************************************************/ |
| 69 | |
| 70 | #End Region |
| 71 | |
| 72 | Imports Microsoft.VisualBasic.ComponentModel.DataSourceModel |
| 73 | Imports Microsoft.VisualBasic.Parallel.Tasks |
| 74 | Imports Microsoft.VisualBasic.Serialization |
| 75 | Imports Microsoft.VisualBasic.Serialization.JSON |
| 76 | |
| 77 | Namespace ComponentModel.Triggers |
| 78 | |
| 79 | Public MustInherit Class ITrigger : Inherits ICallbackInvoke |
| 80 | |
| 81 | Sub New(invoke As Action) |
| 82 | Call MyBase.New(invoke) |
| 83 | End Sub |
| 84 | |
| 85 | ''' <summary> |
| 86 | ''' Test if success then run callback |
| 87 | ''' </summary> |
| 88 | Public Sub TestRun() |
| 89 | If __test() Then |
| 90 | Call _execute() |
| 91 | End If |
| 92 | End Sub |
| 93 | |
| 94 | Protected MustOverride Function __test() As Boolean |
| 95 | |
| 96 | End Class |
| 97 | |
| 98 | Public Interface ITimer : Inherits ITaskDriver, ICallbackTask |
| 99 | Property Interval As Integer |
| 100 | |
| 101 | Sub [Stop]() |
| 102 | End Interface |
| 103 | |
| 104 | Public Class ConditionTrigger : Inherits ITrigger |
| 105 | |
| 106 | Public ReadOnly Property Condition As Func(Of Boolean) |
| 107 | |
| 108 | Sub New(invoke As Action, condit As Func(Of Boolean)) |
| 109 | Call MyBase.New(invoke) |
| 110 | End Sub |
| 111 | |
| 112 | Protected Overrides Function __test() As Boolean |
| 113 | Return _Condition() |
| 114 | End Function |
| 115 | End Class |
| 116 | |
| 117 | ''' <summary> |
| 118 | ''' 这个只会比较时和分,每天都会触发 |
| 119 | ''' </summary> |
| 120 | Public Class DailyTimerTrigger : Inherits TimerTrigger |
| 121 | |
| 122 | ''' <summary> |
| 123 | ''' |
| 124 | ''' </summary> |
| 125 | ''' <param name="time">只需要赋值小时和分钟即可</param> |
| 126 | ''' <param name="task"></param> |
| 127 | ''' <param name="interval"></param> |
| 128 | Public Sub New(time As Date, task As Action, Optional interval As Integer = 100) |
| 129 | MyBase.New(time, task, interval) |
| 130 | End Sub |
| 131 | |
| 132 | Sub New(hh As Integer, mm As Integer, task As Action, Optional interval As Integer = 100) |
| 133 | MyBase.New(New Date(Now.Year, Now.Month, Now.Day, hh, mm, 0), task, interval) |
| 134 | End Sub |
| 135 | |
| 136 | Protected Overrides Function __test() As Boolean |
| 137 | Dim d As Date = Now |
| 138 | |
| 139 | If d.Hour <> Time.Hour OrElse d.Minute <> Time.Minute Then |
| 140 | Return False |
| 141 | Else |
| 142 | Return True |
| 143 | End If |
| 144 | End Function |
| 145 | End Class |
| 146 | |
| 147 | ''' <summary> |
| 148 | ''' 在指定的日期和时间呗触发,因此这个触发器只会运行一次 |
| 149 | ''' </summary> |
| 150 | Public Class TimerTrigger : Inherits ITrigger |
| 151 | Implements ITaskDriver |
| 152 | Implements ITimer |
| 153 | |
| 154 | ''' <summary> |
| 155 | ''' 当判定到达这个指定的时间之后就会触发动作 |
| 156 | ''' </summary> |
| 157 | ''' <returns></returns> |
| 158 | Public ReadOnly Property Time As Date |
| 159 | |
| 160 | ''' <summary> |
| 161 | ''' ms |
| 162 | ''' </summary> |
| 163 | ''' <returns></returns> |
| 164 | Public Property Interval As Integer Implements ITimer.Interval |
| 165 | Get |
| 166 | Return __timer.Periods |
| 167 | End Get |
| 168 | Set(value As Integer) |
| 169 | __timer.Periods = value |
| 170 | End Set |
| 171 | End Property |
| 172 | |
| 173 | ReadOnly __timer As UpdateThread |
| 174 | |
| 175 | ''' <summary> |
| 176 | ''' |
| 177 | ''' </summary> |
| 178 | ''' <param name="time">只精确到分,不会比较秒数</param> |
| 179 | ''' <param name="task"></param> |
| 180 | ''' <param name="interval">ms</param> |
| 181 | Sub New(time As Date, task As Action, Optional interval As Integer = 100) |
| 182 | Call MyBase.New(task) |
| 183 | |
| 184 | Me.__timer = New UpdateThread(interval, AddressOf TestRun) |
| 185 | Me.Time = time |
| 186 | Me.Interval = interval ' 由于会在Interval属性进行赋值,所以这里要先初始化timer对象再赋值interval |
| 187 | End Sub |
| 188 | |
| 189 | ''' <summary> |
| 190 | ''' 不计算毫秒 |
| 191 | ''' </summary> |
| 192 | ''' <returns></returns> |
| 193 | Protected Overrides Function __test() As Boolean |
| 194 | Dim d As Date = Now |
| 195 | |
| 196 | If d.Year <> Time.Year Then |
| 197 | Return False |
| 198 | ElseIf d.Month <> Time.Month Then |
| 199 | Return False |
| 200 | ElseIf d.Day <> Time.Day Then |
| 201 | Return False |
| 202 | ElseIf d.Hour <> Time.Hour Then |
| 203 | Return False |
| 204 | ElseIf d.Minute <> Time.Minute Then |
| 205 | Return False |
| 206 | ' ElseIf d.Second <> Time.Second Then |
| 207 | ' Return False |
| 208 | Else |
| 209 | Return True |
| 210 | End If |
| 211 | End Function |
| 212 | |
| 213 | ''' <summary> |
| 214 | ''' 启动计时器线程,这个方法不会阻塞当前的线程 |
| 215 | ''' </summary> |
| 216 | ''' <returns></returns> |
| 217 | Public Function Start() As Integer Implements ITaskDriver.Run |
| 218 | Return __timer.Start |
| 219 | End Function |
| 220 | |
| 221 | Public Overrides Function ToString() As String |
| 222 | Return Me.GetJson |
| 223 | End Function |
| 224 | |
| 225 | Public Sub [Stop]() Implements ITimer.Stop |
| 226 | Call __timer.Stop() |
| 227 | End Sub |
| 228 | End Class |
| 229 | End Namespace |