Класс ForEachEnumeratorHostClass
Этот API-интерфейс поддерживает инфраструктуру SQL Server 2012 и не предназначен для использования непосредственно из кода.
Defines the host class for the ForEachItemEnumeratorClass. This class cannot be inherited.
Иерархия наследования
System.Object
Microsoft.SqlServer.Dts.Runtime.Wrapper.ForEachEnumeratorHostClass
Пространство имен: Microsoft.SqlServer.Dts.Runtime.Wrapper
Сборка: Microsoft.SqlServer.DTSRuntimeWrap (в Microsoft.SqlServer.DTSRuntimeWrap.dll)
Синтаксис
'Декларация
<ClassInterfaceAttribute(ClassInterfaceType.None)> _
<GuidAttribute("3442EA23-18C4-4A00-8ABD-C4157880CAA7")> _
Public Class ForEachEnumeratorHostClass _
Implements ForEachEnumeratorHost, IDTSName100, IDTSObjectHost100, IDTSForEachEnumerator100, _
IDTSPropertiesProvider100
'Применение
Dim instance As ForEachEnumeratorHostClass
[ClassInterfaceAttribute(ClassInterfaceType.None)]
[GuidAttribute("3442EA23-18C4-4A00-8ABD-C4157880CAA7")]
public class ForEachEnumeratorHostClass : ForEachEnumeratorHost,
IDTSName100, IDTSObjectHost100, IDTSForEachEnumerator100, IDTSPropertiesProvider100
[ClassInterfaceAttribute(ClassInterfaceType::None)]
[GuidAttribute(L"3442EA23-18C4-4A00-8ABD-C4157880CAA7")]
public ref class ForEachEnumeratorHostClass : ForEachEnumeratorHost,
IDTSName100, IDTSObjectHost100, IDTSForEachEnumerator100, IDTSPropertiesProvider100
[<ClassInterfaceAttribute(ClassInterfaceType.None)>]
[<GuidAttribute("3442EA23-18C4-4A00-8ABD-C4157880CAA7")>]
type ForEachEnumeratorHostClass =
class
interface ForEachEnumeratorHost
interface IDTSName100
interface IDTSObjectHost100
interface IDTSForEachEnumerator100
interface IDTSPropertiesProvider100
end
public class ForEachEnumeratorHostClass implements ForEachEnumeratorHost, IDTSName100, IDTSObjectHost100, IDTSForEachEnumerator100, IDTSPropertiesProvider100
Тип ForEachEnumeratorHostClass обеспечивает доступ к следующим элементам.
Конструкторы
Имя | Описание | |
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ForEachEnumeratorHostClass | Инфраструктура. Initializes a new instance of the ForEachEnumeratorHostClass class. |
В начало
Свойства
Имя | Описание | |
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CollectionEnumerator | Инфраструктура. Gets or sets a Boolean that indicates if the hosting enumerator is enumerating collections of objects or enumerating collections of collections. |
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CreationName | Инфраструктура. Returns the string that is used by the run-time to create an instance of the ForEachItemEnumeratorClass object. This property is read-only. |
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DelayValidation | Инфраструктура. Gets or sets a Boolean that indicates whether ForEachItemEnumeratorClass validation is delayed until the package runs. |
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Description | Инфраструктура. Gets or sets description for the host. |
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HostType | Инфраструктура. Gets an enumeration that describes the type of host that the ForEachItemEnumeratorClass is being used by. This property is read-only. |
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ID | Инфраструктура. Returns the GUID assigned to the host. |
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InnerObject | Инфраструктура. Returns the inner object of the host, which is the ForEachItemEnumeratorClass that is being hosted. |
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Name | Инфраструктура. Gets or sets a name for the host. |
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Properties | Инфраструктура. Returns a IDTSProperties100 collection that contains IDTSProperty100 objects. Each IDTSProperty100 has additional information about each task in the ForEachItemEnumeratorClass. |
В начало
Методы
Имя | Описание | |
---|---|---|
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ComputeExpressions | Инфраструктура. Computes the expressions in the property collection. |
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Equals | (Производный от Object.) |
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Finalize | (Производный от Object.) |
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GetEnumerator | Инфраструктура. Returns an IEnumerator interface for use in iterating over the ForEachItemEnumeratorClass. |
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GetExpression | Инфраструктура. Returns a String that contains the expression for the specified property. Null means no expression is assigned. |
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GetHashCode | (Производный от Object.) |
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GetType | (Производный от Object.) |
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InitializeForEachEnumerator | Инфраструктура. Initializes the properties associated with the task. |
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MemberwiseClone | (Производный от Object.) |
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SetExpression | Инфраструктура. Assigns the specified expression to the property. Specify nullпустая ссылка (Nothing в Visual Basic) to remove an existing expression from the property. |
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ToString | (Производный от Object.) |
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Validate | Инфраструктура. Allows the host to determine if there are invalid settings that will prevent the ForEachItemEnumeratorClass from executing successfully. |
В начало
Замечания
For more information, see ForEachEnumeratorHost.
Безопасность многопоточности
Любые открытые статический (Shared в Visual Basic) элементы этого типа потокобезопасны. Потокобезопасность с элементами экземпляров не гарантируется.