2019-03-10 18:10:46 +08:00
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#Region "Microsoft.VisualBasic::7ba103898e4e26cf2720c0cae8dabff3, Microsoft.VisualBasic.Core\ApplicationServices\Parallel\Threading.vb"
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2018-08-02 20:14:48 +08:00
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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 InvokesHelper
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' Function: Invoke
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' Structure __invokeHelper
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' Function: Task
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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.Language
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Imports Microsoft.VisualBasic.Parallel.Threads
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Namespace Parallel
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Public Module InvokesHelper
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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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''' <returns></returns>
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''' <remarks></remarks>
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<Extension> Public Function Invoke(tasks As Action(), numOfThreads As Integer) As Integer
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Dim getTask As Func(Of Action, Func(Of Integer)) =
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Function(task) AddressOf New __invokeHelper With {
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.__task = task
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}.Task
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Dim invokes As Func(Of Integer)() =
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LinqAPI.Exec(Of Func(Of Integer)) <= From action As Action
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In tasks
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Select getTask(action)
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Return BatchTasks.BatchTask(invokes, numOfThreads).Length
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End Function
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Private Structure __invokeHelper
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Dim __task As Action
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Public Function Task() As Integer
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Call __task()
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Return 0
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End Function
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End Structure
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End Module
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End Namespace
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