Класс MainPipeClass
Adds and connects components in a data flow layout.
Иерархия наследования
System. . :: . .Object
Microsoft.SqlServer.Dts.Pipeline.Wrapper..::..MainPipeClass
Пространство имен: Microsoft.SqlServer.Dts.Pipeline.Wrapper
Сборка: Microsoft.SqlServer.DTSPipelineWrap (в Microsoft.SqlServer.DTSPipelineWrap.dll)
Синтаксис
'Декларация
<GuidAttribute("E3CFBEA8-1F48-40D8-91E1-2DEDC1EDDD56")> _
<ClassInterfaceAttribute()> _
Public Class MainPipeClass _
Implements IDTSPipeline100, MainPipe, IDTSObjectModel100
'Применение
Dim instance As MainPipeClass
[GuidAttribute("E3CFBEA8-1F48-40D8-91E1-2DEDC1EDDD56")]
[ClassInterfaceAttribute()]
public class MainPipeClass : IDTSPipeline100,
MainPipe, IDTSObjectModel100
[GuidAttribute(L"E3CFBEA8-1F48-40D8-91E1-2DEDC1EDDD56")]
[ClassInterfaceAttribute()]
public ref class MainPipeClass : IDTSPipeline100,
MainPipe, IDTSObjectModel100
[<GuidAttribute("E3CFBEA8-1F48-40D8-91E1-2DEDC1EDDD56")>]
[<ClassInterfaceAttribute()>]
type MainPipeClass =
class
interface IDTSPipeline100
interface MainPipe
interface IDTSObjectModel100
end
public class MainPipeClass implements IDTSPipeline100, MainPipe, IDTSObjectModel100
Тип MainPipeClass обеспечивает доступ к следующим элементам.
Свойства
Имя | Описание | |
---|---|---|
AutoGenerateIDForNewObjects | Gets or sets a value that specifies whether a data flow automatically generates and sets the ID property for newly created objects. | |
BLOBTempStoragePath | Gets or sets a value that specifies the file system location where binary large objects (BLOBs) are temporarily written to disk. | |
BufferManager | Gets the IDTSBufferManager100 object. | |
BufferTempStoragePath | Gets or sets the file system path used to temporarily cache buffer data. | |
ComponentMetaDataCollection | Gets the collection of data flow components in the task. | |
DefaultBufferMaxRows | Gets or sets the maximum number of rows the task allows in an IDTSBuffer100 buffer. | |
DefaultBufferSize | Gets or sets the default size of the IDTSBuffer100 objects created by a task. | |
EngineThreads | Gets or sets the number of threads a data flow task uses. | |
Events | Sets the events interface that a data flow, and the components it contains, use to raise events during execution. | |
IDTSObjectModel100_AutoGenerateIDForNewObjects | Gets or sets a value that specifies whether a data flow automatically generates and sets the ID property for newly created objects. | |
IDTSObjectModel100_ComponentMetaDataCollection | Gets the collection of data flow components in the task. | |
IDTSObjectModel100_PathCollection | Gets the IDTSPathCollection100 collection for a data flow task. | |
PathCollection | Gets the IDTSPathCollection100 collection for a data flow task. | |
PersistenceCustomPropertyCollection | Gets the persistence format of the data flow task's custom property collection. | |
RunInOptimizedMode | Gets or sets a value that specifies whether a data flow task runs in optimized mode. | |
VariableDispenser | Sets the IDTSVariableDispenser100 used to lock variables in a package for reading and writing. |
В начало
Методы
Имя | Описание | |
---|---|---|
Equals | (Производный от Object.) | |
Finalize | (Производный от Object.) | |
GetHashCode | (Производный от Object.) | |
GetNextPasteID | Gets the next available ID that a data flow task generates. | |
GetObjectByID | Retrieves an object contained in a data flow task. | |
GetType | (Производный от Object.) | |
IDTSObjectModel100_GetObjectByID | Retrieves an object that is contained in a data flow task. | |
IDTSObjectModel100_New | Resets the layout of components in a data flow task. | |
MemberwiseClone | (Производный от Object.) | |
New | Инфраструктура. | |
ToString | (Производный от Object.) |
В начало
Замечания
This class represents the data flow task, and is used when programmatically building a data flow layout. An instance of the class is created by adding the data flow task to the Executables collection of a Package. Components are added to the task using the ComponentMetaDataCollection property. Connections are established between components using the PathCollection property.
Примеры
The following code example adds a data flow task to a package, adds an OLE DB source component and an OLE DB destination component, and establishes a path between the two components.
using System;
using Microsoft.SqlServer.Dts.Runtime;
using Microsoft.SqlServer.Dts.Pipeline.Wrapper;
namespace Microsoft.Samples.SqlServer.Dts
{
public class Class1
{
public static void Main(string []args)
{
// Create the package.
Package p = new Package();
// Add the data flow task.
MainPipe mp = ((TaskHost)p.Executables.Add("SSIS.Pipeline.2")).InnerObject as MainPipe;
// Add the OLE DB source component.
IDTSComponentMetaData100 mdOleDbSrc = mp.ComponentMetaDataCollection.New();
mdOleDbSrc.ComponentClassID = "DTSAdapter.OleDbSource";
mdOleDbSrc.Name = "OLEDB Source";
CManagedComponentWrapper wrpOledbSrc = mdOleDbSrc.Instantiate();
// Add the OLE DB destination component.
IDTSComponentMetaData100 mdOleDbDest = mp.ComponentMetaDataCollection.New();
mdOleDbDest.ComponentClassID = "DTSAdapter.OleDbDestination";
mdOleDbDest.Name = "OLEDB Destination";
CManagedComponentWrapper wrpOledbDest = mdOleDbSrc.Instantiate();
// Create a path and attach the output of the source to the input of the destination.
IDTSPath100 path = mp.PathCollection.New();
path.AttachPathAndPropagateNotifications(mdOleDbSrc.OutputCollection[0], mdOleDbDest.InputCollection[0]);
}
}
}
Imports System
Imports Microsoft.SqlServer.Dts.Runtime
Imports Microsoft.SqlServer.Dts.Pipeline.Wrapper
Namespace Microsoft.Samples.SqlServer.Dts
Public Class Class1
Public Shared Sub Main(ByVal args As String())
Dim p As Package = New Package
Dim mp As MainPipe = CType(CType(p.Executables.Add("SSIS.Pipeline.2"), TaskHost).InnerObject, MainPipe)
Dim mdOleDbSrc As IDTSComponentMetaData100 = mp.ComponentMetaDataCollection.New
mdOleDbSrc.ComponentClassID = "DTSAdapter.OleDbSource"
mdOleDbSrc.Name = "OLEDB Source"
Dim wrpOledbSrc As CManagedComponentWrapper = mdOleDbSrc.Instantiate
Dim mdOleDbDest As IDTSComponentMetaData100 = mp.ComponentMetaDataCollection.New
mdOleDbDest.ComponentClassID = "DTSAdapter.OleDbDestination"
mdOleDbDest.Name = "OLEDB Destination"
Dim wrpOledbDest As CManagedComponentWrapper = mdOleDbSrc.Instantiate
Dim path As IDTSPath100 = mp.PathCollection.New
path.AttachPathAndPropagateNotifications(mdOleDbSrc.OutputCollection(0), mdOleDbDest.InputCollection(0))
End Sub
End Class
End Namespace
Безопасность многопоточности
Любые открытые статический (Shared в Visual Basic) элементы этого типа потокобезопасны. Потокобезопасность с элементами экземпляров не гарантируется.