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113 lines
3.9 KiB
113 lines
3.9 KiB
#Region "Microsoft.VisualBasic::dbfaa1b6961e402576b0aa4d7e10d13d, Parallel\ThreadTask\BatchTasks.vb"
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' Author:
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'
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' asuka (amethyst.asuka@gcmodeller.org)
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' xie (genetics@smrucc.org)
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' xieguigang (xie.guigang@live.com)
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'
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' Copyright (c) 2018 GPL3 Licensed
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'
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'
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' GNU GENERAL PUBLIC LICENSE (GPL3)
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'
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'
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' This program is free software: you can redistribute it and/or modify
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' it under the terms of the GNU General Public License as published by
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' the Free Software Foundation, either version 3 of the License, or
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' (at your option) any later version.
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'
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' This program is distributed in the hope that it will be useful,
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' but WITHOUT ANY WARRANTY; without even the implied warranty of
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' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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' GNU General Public License for more details.
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'
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' You should have received a copy of the GNU General Public License
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' along with this program. If not, see <http://www.gnu.org/licenses/>.
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' /********************************************************************************/
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' Summaries:
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' Module BatchTasks
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'
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' Function: SelfFolks
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'
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' Sub: Invoke
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'
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'
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' /********************************************************************************/
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#End Region
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Imports System.Runtime.CompilerServices
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Imports Microsoft.VisualBasic.CommandLine
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Imports Microsoft.VisualBasic.Language
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Namespace ThreadTask
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Public Module BatchTasks
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''' <summary>
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''' Folk this program itself for the large amount data batch processing.
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''' </summary>
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''' <param name="CLI">Self folk processing commandline collection.</param>
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''' <param name="parallel">If this parameter value less than 1, then will be a single
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''' thread task. Any positive value that greater than 1 will be parallel task.
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''' (小于等于零表示非并行化，单线程任务)
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''' </param>
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''' <returns>
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''' Returns the total executation time for running this task collection.
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''' (返回任务的执行的总时长)
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''' </returns>
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Public Function SelfFolks(CLI As IEnumerable(Of String), Optional parallel% = 0) As Long
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Dim sw As Stopwatch = Stopwatch.StartNew
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If parallel <= 0 Then
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For Each args As String In CLI
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Call App.SelfFolk(args).Run()
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Next
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Else
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Dim Tasks As Func(Of Integer)() = LinqAPI.Exec(Of Func(Of Integer)) <=
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_
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From args As String
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In CLI
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Let io As IIORedirectAbstract = App.SelfFolk(args)
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Let task As Func(Of Integer) = AddressOf io.Run
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Select task
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Call New ThreadTask(Of Integer)(Tasks) _
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.WithDegreeOfParallelism(parallel) _
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.RunParallel _
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.ToArray
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End If
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Return sw.ElapsedMilliseconds
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End Function
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''' <summary>
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'''
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''' </summary>
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''' <param name="tasks"></param>
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''' <param name="numOfThreads">同时执行的句柄的数目</param>
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''' <remarks></remarks>
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<Extension>
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Public Sub Invoke(tasks As Action(), numOfThreads As Integer)
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Dim getTask As Func(Of Action, Func(Of Integer)) =
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Function(task)
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Return AddressOf New TaskInvokeHelper With {
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.task = task
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}.RunTask
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End Function
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Dim invokes = From action As Action In tasks Select getTask(action)
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Call New ThreadTask(Of Integer)(invokes) _
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.WithDegreeOfParallelism(numOfThreads) _
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.RunParallel() _
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.ToArray
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End Sub
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End Module
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End Namespace
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