microsoft-visualbasic-runtime/ComponentModel/File/XmlDataModel.vb

#Region "Microsoft.VisualBasic::2777494b64a6dee643a2bb43c96fd553, Microsoft.VisualBasic.Core\ComponentModel\File\XmlDataModel.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:

'     Class XmlDataModel
' 
'         Properties: TypeComment
' 
'         Function: GetTypeReferenceComment
' 
' 
' /********************************************************************************/

#End Region

Imports System.IO
Imports System.Runtime.CompilerServices
Imports System.Runtime.Serialization
Imports System.Web.Script.Serialization
Imports System.Xml
Imports System.Xml.Serialization
Imports Microsoft.VisualBasic.SecurityString

Namespace ComponentModel

    ''' <summary>
    ''' 这个基类型对象主要是用来生成类型全称注释方便编写XML文件加载代码功能的
    ''' </summary>
    Public MustInherit Class XmlDataModel

        ''' <summary>
        ''' ReadOnly, Data model type tracking use Xml Comment.
        ''' </summary>
        ''' <returns></returns>
        '''
        <DataMember>
        <IgnoreDataMember>
        <ScriptIgnore>
        <SoapIgnore>
        <XmlAnyElement>
        Public Property TypeComment As XmlComment
            <MethodImpl(MethodImplOptions.AggressiveInlining)>
            Get
                Return GetTypeReferenceComment()
            End Get
            Set(value As XmlComment)
                ' Do Nothing
                ' 2018-6-5 this xml comment node cause bug when using xml deserialization
            End Set
        End Property

        Private Function GetTypeReferenceComment() As XmlComment
            Dim modelType As Type = Me.GetType
            Dim fullName$ = modelType.FullName
            Dim assembly$ = modelType.Assembly.FullName
            Dim update As Date = File.GetLastWriteTime(modelType.Assembly.Location)
            Dim md5$ = modelType.Assembly.Location.GetFileHashString
            Dim trace$ = vbCrLf &
                "     model:     " & fullName & vbCrLf &
                "     assembly:  " & assembly & vbCrLf &
                "     md5:       " & md5 & vbCrLf &
                "     timestamp: " & update.ToLongTimeString & vbCrLf &
                "  "

            Return New XmlDocument().CreateComment(trace)
        End Function
    End Class
End Namespace