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Darwinism/LINQ/RQL/StorageTek/LinqSource.vb

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#Region "Microsoft.VisualBasic::73f1ed0dd0d3dc2f8577ce1e60a5b5ef, LINQ\RQL\StorageTek\LinqSource.vb"
' Author:
'
' asuka (amethyst.asuka@gcmodeller.org)
' xie (genetics@smrucc.org)
' xieguigang (xie.guigang@live.com)
'
' Copyright (c) 2018 GPL3 Licensed
'
'
' GNU GENERAL PUBLIC LICENSE (GPL3)
'
'
' This program is free software: you can redistribute it and/or modify
' it under the terms of the GNU General Public License as published by
' the Free Software Foundation, either version 3 of the License, or
' (at your option) any later version.
'
' This program is distributed in the hope that it will be useful,
' but WITHOUT ANY WARRANTY; without even the implied warranty of
' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
' GNU General Public License for more details.
'
' You should have received a copy of the GNU General Public License
' along with this program. If not, see <http://www.gnu.org/licenses/>.
' /********************************************************************************/
' Summaries:
' Module LinqSource
'
' Function: Source
'
'
' /********************************************************************************/
#End Region
Imports System.Reflection
Imports sciBASIC.ComputingServices.Linq.Framework.Provider
Namespace StorageTek
Public Module LinqSource
Const NO_LINQ As String = "The target function pointer handle have not defined any Linq source entry yet..."
''' <summary>
''' 生成Linq数据源
''' </summary>
''' <param name="res"></param>
''' <param name="handle"></param>
''' <returns></returns>
Public Function Source(res As String, handle As GetLinqResource) As EntityProvider
Dim mINFO As MethodInfo = handle.Method
Dim Linq As TypeEntry = TypeRegistry.ParsingEntry(mINFO)
If Linq Is Nothing Then
Dim ex As New Exception(NO_LINQ)
ex = New DataException(mINFO.GetFullName(True), ex)
Throw ex
End If
Return New EntityProvider(Linq, res)
End Function
End Module
End Namespace