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103 lines
3.4 KiB
103 lines
3.4 KiB
#Region "Microsoft.VisualBasic::1e9d6c6c0c23218b8562f5d016091a90, Rpc\BindingProtocols\TaskBuilders\BaseTaskBuilder.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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' Class BaseTaskBuilder
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'
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' Constructor: (+1 Overloads) Sub New
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' Function: CreateHeader, CreateTask
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'
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'
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' /********************************************************************************/
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#End Region
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Imports System.Threading
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Imports System.Threading.Tasks
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Imports Rpc.MessageProtocol
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Namespace Rpc.BindingProtocols.TaskBuilders
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''' <summary>
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''' operations of binding protocols
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''' </summary>
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Public MustInherit Class BaseTaskBuilder
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Private Const Program As UInteger = 100000UI
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Private _conn As IRpcClient
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Private _attachedToParent As Boolean
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Private _token As CancellationToken
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Friend Sub New(conn As IRpcClient, token As CancellationToken, attachedToParent As Boolean)
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_conn = conn
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_attachedToParent = attachedToParent
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_token = token
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End Sub
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''' <summary>
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''' Gets the version of protocol
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''' </summary>
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Protected MustOverride ReadOnly Property Version As UInteger
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Private Function CreateHeader(procNum As UInteger) As call_body
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Return New call_body() With {
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.rpcvers = 2,
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.prog = Program,
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.proc = procNum,
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.vers = Version,
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.cred = opaque_auth.None,
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.verf = opaque_auth.None
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}
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End Function
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''' <summary>
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''' Creates the task of request.
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''' </summary>
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''' <returns>
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''' The queued task.
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''' </returns>
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''' <param name="proc">
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''' procedure number
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''' </param>
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''' <param name="args">
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''' instance of arguments of request
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''' </param>
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''' <typeparam name="TReq">
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''' type of request
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''' </typeparam>
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''' <typeparam name="TResp">
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''' type of response
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''' </typeparam>
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Protected Function CreateTask(Of TReq, TResp)(proc As UInteger, args As TReq) As Task(Of TResp)
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Return _conn.CreateTask(Of TReq, TResp)(CreateHeader(proc), args, If(_attachedToParent, TaskCreationOptions.AttachedToParent, TaskCreationOptions.None), _token)
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End Function
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End Class
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End Namespace
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