105 lines
3.9 KiB
VB.net
105 lines
3.9 KiB
VB.net
#Region "Microsoft.VisualBasic::217afa2cb9160b3e9fb40fd75f7f495b, Microsoft.VisualBasic.Core\ComponentModel\DataSource\Repository\ILocalSearchHandle.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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' Interface ILocalSearchHandle
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'
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' Function: Match, Matches
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'
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' Module SearchFramework
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'
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' Function: MultipleQuery, Query
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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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Namespace ComponentModel.DataSourceModel.Repository
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Public Interface ILocalSearchHandle
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''' <summary>
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'''
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''' </summary>
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''' <param name="Keyword"></param>
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''' <param name="CaseSensitive">是否大小写敏感，默认不敏感</param>
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''' <returns></returns>
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Function Matches(Keyword As String, Optional CaseSensitive As CompareMethod = CompareMethod.Text) As ILocalSearchHandle()
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''' <summary>
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'''
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''' </summary>
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''' <param name="Keyword"></param>
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''' <param name="CaseSensitive">是否大小写敏感，默认不敏感</param>
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''' <returns></returns>
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Function Match(Keyword As String, Optional CaseSensitive As CompareMethod = CompareMethod.Text) As Boolean
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End Interface
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''' <summary>
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''' Extensions for data query
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''' </summary>
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Public Module SearchFramework
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<Extension>
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Public Iterator Function MultipleQuery(Of T, Term)(source As IEnumerable(Of T),
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query As IEnumerable(Of NamedValue(Of Term())),
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assert As Func(Of T, Term, Boolean)) As IEnumerable(Of NamedValue(Of Map(Of Term, T)))
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Dim terms As NamedValue(Of Term())() = query.ToArray
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For Each entity As T In source
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For Each block In query
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For Each match As Term In block.Value
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If assert(entity, match) Then
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Yield New NamedValue(Of Map(Of Term, T)) With {
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.Name = block.Name,
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.Value = New Map(Of Term, T) With {
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.Key = match,
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.Maps = entity
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}
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}
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End If
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Next
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Next
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Next
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End Function
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<MethodImpl(MethodImplOptions.AggressiveInlining)>
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<Extension>
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Public Function Query(Of T, Term)(source As IEnumerable(Of T), queries As IEnumerable(Of Term), assert As Func(Of T, Term, Boolean)) As IEnumerable(Of Map(Of Term, T))
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Return source.MultipleQuery({New NamedValue(Of Term())("null", queries.ToArray)}, assert).Values
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End Function
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End Module
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End Namespace
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