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Public Class ScriptMain
Inherits UserComponent
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Public Overrides Sub ProcessInput( _
ByVal InputID As Integer, _
ByVal Buffer As Microsoft.SqlServer.Dts.Pipeline.PipelineBuffer)
While Buffer.NextRow()
Dim groupValue As Object = Buffer(m_groupIndex)
If TypeOf groupValue Is BlobColumn Then
groupValue = Buffer.GetString(m_joinIndex)
End If
If groupValue Is Nothing Then
' Ignore NULL groups.
Continue While
End If
Dim joinValue As Object = Buffer(m_joinIndex)
If joinValue Is Nothing Then
joinValue = String.Empty
End If
If TypeOf joinValue Is BlobColumn Then
joinValue = Buffer.GetString(m_joinIndex)
End If
If m_currentGroup Is Nothing Then
' Init current group.
m_currentGroup = groupValue
End If
If Not m_currentGroup.Equals(groupValue) Then
' New group. Setup output record for existing data.
Call InsertJoinOutput_()
m_currentGroup = groupValue
End If
' Append join value to group.
If m_sbJoin.Length > 0 Then
Call m_sbJoin.Append(m_joinSymbol)
End If
Call m_sbJoin.Append(joinValue)
End While
If Buffer.EndOfRowset Then
Call InsertJoinOutput_()
Call MyBase.OutputBuffer.SetEndOfRowset()
End If
End Sub ' ProcessInput
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Public Overrides Sub PreExecute()
Call MyBase.PreExecute()
Dim input As IDTSInput100 = MyBase.ComponentMetaData.InputCollection(0)
' Find group column index.
m_groupIndex = MyBase.HostComponent.BufferManager.FindColumnByLineageID( _
input.Buffer, _
input.InputColumnCollection(Me.GroupColumn).LineageID)
' Find join column index.
m_joinIndex = MyBase.HostComponent.BufferManager.FindColumnByLineageID( _
input.Buffer, _
input.InputColumnCollection(Me.JoinColumn).LineageID)
' Get join symbol.
m_joinSymbol = Regex.Unescape(Me.JoinSymbol)
m_sbJoin = New StringBuilder()
End Sub ' PreExecute
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Public Function Validate(ByRef errMessage As String) As Boolean
Dim result As Boolean = True
Try
Dim input As IDTSInput100 = MyBase.ComponentMetaData.InputCollection(0)
Dim virtInput As IDTSVirtualInput100 = input.GetVirtualInput()
If virtInput.VirtualInputColumnCollection.Count > 0 AndAlso _
String.IsNullOrEmpty(Me.GroupColumn) Then
Throw New Exception("Select group column.")
End If
If virtInput.VirtualInputColumnCollection.Count > 0 AndAlso _
String.IsNullOrEmpty(Me.JoinColumn) Then
Throw New Exception("Select join column.")
End If
If String.IsNullOrEmpty(Me.JoinSymbol) Then
Throw New Exception("Specify join symbol.")
End If
Dim managedComponent As CManagedComponentWrapper = Me.ComponentMetaData.Instantiate()
Call input.InputColumnCollection.RemoveAll()
' Setup selected group column.
Dim groupColumn As IDTSInputColumn100 = managedComponent.SetUsageType( _
input.ID, _
virtInput, _
virtInput.VirtualInputColumnCollection(Me.GroupColumn).LineageID, _
DTSUsageType.UT_READONLY)
' Setup selected join column.
Dim joinColumn As IDTSInputColumn100 = managedComponent.SetUsageType( _
input.ID, _
virtInput, _
virtInput.VirtualInputColumnCollection(Me.JoinColumn).LineageID, _
DTSUsageType.UT_READONLY)
' Setup output columns for group and join column.
Dim output As IDTSOutput100 = MyBase.ComponentMetaData.OutputCollection(0)
Dim outColumn As IDTSOutputColumn100
If output.OutputColumnCollection.Count = 0 Then
' Setup group output column.
outColumn = output.OutputColumnCollection.[New]()
outColumn.Name = groupColumn.Name
' Setup join output column.
outColumn = output.OutputColumnCollection.[New]()
outColumn.Name = joinColumn.Name
Call outColumn.SetDataTypeProperties(DataType.DT_NTEXT, 0, 0, 0, 0)
End If
' Update group output column.
outColumn = output.OutputColumnCollection(0)
outColumn.Name = groupColumn.Name
Call outColumn.SetDataTypeProperties( _
groupColumn.DataType, _
groupColumn.Length, _
groupColumn.Precision, _
groupColumn.Scale, _
groupColumn.CodePage)
' Update group output column name.
outColumn = output.OutputColumnCollection(1)
outColumn.Name = joinColumn.Name
Catch ex As Exception
result = False
errMessage = ex.Message
End Try
Validate = result
End Function 'Validate
#Region "Properties"
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Public Property GroupColumn() As String
Get
GroupColumn = m_groupColumn
End Get
Set(ByVal value As String)
m_groupColumn = value
End Set
End Property ' GroupColumn
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Public Property JoinColumn() As String
Get
JoinColumn = m_joinColumn
End Get
Set(ByVal value As String)
m_joinColumn = value
End Set
End Property ' JoinColumn
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Public Property JoinSymbol() As String
Get
JoinSymbol = m_joinSymbolRE
End Get
Set(ByVal value As String)
m_joinSymbolRE = value
End Set
End Property ' JoinSymbol
#End Region ' Properties
#Region "Internals"
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
Private Sub InsertJoinOutput_()
With Me.OutputBuffer
Call .AddRow()
.Buffer(0) = m_currentGroup
.Buffer(1) = m_sbJoin.ToString()
End With
m_sbJoin.Length = 0
End Sub ' InsertJoinOutput_
#End Region ' Internals
#Region "Attributes"
Private m_groupColumn As String
Private m_joinColumn As String
Private m_joinSymbolRE As String
Private m_groupIndex As Integer
Private m_joinIndex As Integer
Private m_joinSymbol As String
Private m_currentGroup As Object
Private m_sbJoin As StringBuilder
#End Region ' Attributes
End Class ' ScriptMain
]]> _
Public Class InputBuffer
Inherits ScriptBufferPlus
Public Sub New(ByVal Component As ScriptComponent, ByVal ObjectID As Integer, ByVal IsInput As Boolean, ByVal Buffer As PipelineBuffer, ByVal OutputMap As OutputNameMap)
MyBase.New(Component, ObjectID, IsInput, Buffer, OutputMap)
End Sub
Public Overrides ReadOnly Property StaticInputColumns() As String()
Get
Return New String() {}
End Get
End Property
Public Overrides ReadOnly Property StaticOutputColumns() As String()
Get
Return New String() {}
End Get
End Property
Public Overloads Function NextRow() As Boolean
NextRow = MyBase.NextRow()
End Function
Public Overloads Function EndOfRowset() As Boolean
EndOfRowset = MyBase.EndOfRowset
End Function
End Class
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Public Class OutputBuffer
Inherits ScriptBufferPlus
Public Sub New(ByVal Component As ScriptComponent, ByVal ObjectID As Integer, ByVal IsInput As Boolean, ByVal Buffer As PipelineBuffer, ByVal OutputMap As OutputNameMap)
MyBase.New(Component, ObjectID, IsInput, Buffer, OutputMap)
End Sub
Public Overrides ReadOnly Property StaticInputColumns() As String()
Get
Return New String() {}
End Get
End Property
Public Overrides ReadOnly Property StaticOutputColumns() As String()
Get
Return New String() {}
End Get
End Property
Public Overloads Sub AddRow()
MyBase.AddRow()
End Sub
Public Overloads Sub SetEndOfRowset()
MyBase.SetEndOfRowset()
End Sub
Public Overloads Function EndOfRowset() As Boolean
EndOfRowset = MyBase.EndOfRowset
End Function
End Class
]]>{30D016F9-3734-4E33-A861-5E7D899E18F3};{F184B08F-C81C-45F6-A57F-5ABD9991F28F}DebugAnyCPU8.0.307032.0{F6336864-156B-464B-AB64-1002B9C8F17A}LibraryMy ProjectScriptComponent_844bc124bab34b198ac335e4b25a29b7ScriptComponent_844bc124bab34b198ac335e4b25a29b7v4.0512truefullfalse.\bin\Debug\falsetruetrueprompt4falsetrue.\bin\Release\falsefalsetrueprompt4FalseC:\Program Files (x86)\Microsoft SQL Server\110\SDK\Assemblies\CozyRoc.SSISPlus.2012.dllSSIS_SC110BinaryOnOn]]> _
Public Class UserComponent
Inherits ScriptComponentPlus
Public Connections As New Connections(Me)
Public Variables As New Variables(Me)
Public OutputBuffer As OutputBuffer
Dim InputsFinished As Integer = 0
Public Overrides Sub ProcessInput(ByVal InputID As Integer, ByVal InputName As String, ByVal Buffer As PipelineBuffer, ByVal OutputMap As OutputNameMap)
If InputID = MyBase.ComponentMetaData.InputCollection("Input").ID Then
Input_ProcessInput(New InputBuffer(Me, InputID, True, Buffer, OutputMap))
End If
If Buffer.EndOfRowset Then
InputsFinished = InputsFinished + 1
If InputsFinished = 1 Then
FinishOutputs()
MarkOutputsFinished()
End If
End If
End Sub
Public Overridable Sub FinishOutputs()
End Sub
Private Sub MarkOutputsFinished()
If OutputBuffer IsNot Nothing Then
OutputBuffer.SetEndOfRowset
OutputBuffer = Nothing
End If
End Sub
Public Overrides Sub PrimeOutput(ByVal Outputs As Integer, ByVal OutputIDs() As Integer, ByVal Buffers() As PipelineBuffer, ByVal OutputMap As OutputNameMap)
For I As Integer = 0 To Outputs - 1
If OutputIDs(I) = GetOutputID(OutputMap, "Output") Then
OutputBuffer = New OutputBuffer(Me, OutputIDs(I), False, Buffers(I), OutputMap)
End If
Next
CreateNewOutputRows()
End Sub
Public Overridable Sub CreateNewOutputRows()
End Sub
Public Overridable Sub Input_ProcessInput(ByVal Buffer As InputBuffer)
While Buffer.NextRow()
Input_ProcessInputRow(Buffer)
End While
End Sub
Public Overridable Sub Input_ProcessInputRow(ByVal Row As InputBuffer)
End Sub
End Class
Public Class Connections
Dim ParentComponent As ScriptComponent
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Public Sub New(ByVal Component As ScriptComponent)
ParentComponent = Component
End Sub
End Class
Public Class Variables
Dim ParentComponent As ScriptComponent
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Public Sub New(ByVal Component As ScriptComponent)
ParentComponent = Component
End Sub
End Class
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