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70 lines
2.3 KiB
70 lines
2.3 KiB
#Region "Microsoft.VisualBasic::73f1ed0dd0d3dc2f8577ce1e60a5b5ef, LINQ\RQL\StorageTek\LinqSource.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 LinqSource
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'
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' Function: Source
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'
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'
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' /********************************************************************************/
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#End Region
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Imports System.Reflection
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Imports sciBASIC.ComputingServices.Linq.Framework.Provider
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Namespace StorageTek
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Public Module LinqSource
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Const NO_LINQ As String = "The target function pointer handle have not defined any Linq source entry yet..."
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''' <summary>
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''' 生成Linq数据源
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''' </summary>
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''' <param name="res"></param>
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''' <param name="handle"></param>
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''' <returns></returns>
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Public Function Source(res As String, handle As GetLinqResource) As EntityProvider
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Dim mINFO As MethodInfo = handle.Method
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Dim Linq As TypeEntry = TypeRegistry.ParsingEntry(mINFO)
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If Linq Is Nothing Then
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Dim ex As New Exception(NO_LINQ)
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ex = New DataException(mINFO.GetFullName(True), ex)
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Throw ex
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End If
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Return New EntityProvider(Linq, res)
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End Function
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End Module
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End Namespace
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