Класс BusinessLogicHandler

Represents the server registration for the managed code assembly that implements a business logic handler.

Иерархия наследования

System.Object
  Microsoft.SqlServer.Replication.BusinessLogicHandler

Пространство имен:  Microsoft.SqlServer.Replication
Сборка:  Microsoft.SqlServer.Rmo (в Microsoft.SqlServer.Rmo.dll)

Синтаксис

'Декларация
Public NotInheritable Class BusinessLogicHandler
'Применение
Dim instance As BusinessLogicHandler

public sealed class BusinessLogicHandler

public ref class BusinessLogicHandler sealed

[<SealedAttribute>]
type BusinessLogicHandler =  class end

public final class BusinessLogicHandler

Тип BusinessLogicHandler обеспечивает доступ к следующим элементам.

Конструкторы

	Имя	Описание
	BusinessLogicHandler	Initializes a new instance of the BusinessLogicHandler class.

В начало

Свойства

	Имя	Описание
	DotNetAssemblyName	Gets or sets the name of the assembly that implements the business logic handler.
	DotNetClassName	Gets or sets the name of the class that implements the business logic handler.
	FriendlyName	Gets or sets the name that registers the business logic handler on the server.
	IsDotNetAssembly	Gets or sets a value that indicates whether the registered business logic handler is a managed code assembly.
	UserData	Gets or sets an object to which users can attach their own data.

В начало

Методы

	Имя	Описание
	CheckValidDefinition	Инфраструктура. Indicates whether the definition is valid.
	Equals	(Производный от Object.)
	GetHashCode	(Производный от Object.)
	GetType	(Производный от Object.)
	ToString	(Производный от Object.)

В начало

Замечания

Business logic handlers are registered by calling RegisterBusinessLogicHandler. The properties of the BusinessLogicHandler object must be set before calling RegisterBusinessLogicHandler.

Business logic handler registrations are removed by calling UnregisterBusinessLogicHandler.

Call EnumBusinessLogicHandlers to get a list of business logic handlers that are registered on a server.

Примеры

         // Specify the Distributor name and business logic properties.
            string distributorName = publisherInstance;
            string assemblyName = @"C:\Program Files\Microsoft SQL Server\110\COM\CustomLogic.dll";
            string className = "Microsoft.Samples.SqlServer.BusinessLogicHandler.OrderEntryBusinessLogicHandler";
            string friendlyName = "OrderEntryLogic";

            ReplicationServer distributor;
            BusinessLogicHandler customLogic;

                // Create a connection to the Distributor.
            ServerConnection distributorConn = new ServerConnection(distributorName);

            try
            {
                // Connect to the Distributor.
                distributorConn.Connect();

                // Set the Distributor properties.
                distributor = new ReplicationServer(distributorConn);

                // Set the business logic handler properties.
                customLogic = new BusinessLogicHandler();
                customLogic.DotNetAssemblyName = assemblyName;
                customLogic.DotNetClassName = className;
                customLogic.FriendlyName = friendlyName;
                customLogic.IsDotNetAssembly = true;

                Boolean isRegistered = false;

                // Check if the business logic handler is already registered at the Distributor.
                foreach (BusinessLogicHandler registeredLogic
                    in distributor.EnumBusinessLogicHandlers())
                {
                    if (registeredLogic == customLogic)
                    {
                        isRegistered = true;
                    }
                }

                // Register the custom logic.
                if (!isRegistered)
                {
                    distributor.RegisterBusinessLogicHandler(customLogic);
                }
            }
            catch (Exception ex)
            {
                // Do error handling here.
                throw new ApplicationException(string.Format(
                    "The {0} assembly could not be registered.",
                    assemblyName), ex);
            }
            finally
            {
                distributorConn.Disconnect();
            }

' Specify the Distributor name and business logic properties.
Dim distributorName As String = publisherInstance
Dim assemblyName As String = "C:\Program Files\Microsoft SQL Server\110\COM\CustomLogic.dll"
Dim className As String = "Microsoft.Samples.SqlServer.BusinessLogicHandler.OrderEntryBusinessLogicHandler"
Dim friendlyName As String = "OrderEntryLogic"

Dim distributor As ReplicationServer
Dim customLogic As BusinessLogicHandler

' Create a connection to the Distributor.
Dim distributorConn As ServerConnection = New ServerConnection(distributorName)

Try
    ' Connect to the Distributor.
    distributorConn.Connect()

    ' Set the Distributor properties.
    distributor = New ReplicationServer(distributorConn)

    ' Set the business logic handler properties.
    customLogic = New BusinessLogicHandler()
    customLogic.DotNetAssemblyName = assemblyName
    customLogic.DotNetClassName = className
    customLogic.FriendlyName = friendlyName
    customLogic.IsDotNetAssembly = True

    Dim isRegistered As Boolean = False

    ' Check if the business logic handler is already registered at the Distributor.
    For Each registeredLogic As BusinessLogicHandler _
    In distributor.EnumBusinessLogicHandlers
        If registeredLogic Is customLogic Then
            isRegistered = True
        End If
    Next

    ' Register the custom logic.
    If Not isRegistered Then
        distributor.RegisterBusinessLogicHandler(customLogic)
    End If
Catch ex As Exception
    ' Do error handling here.
    Throw New ApplicationException(String.Format( _
     "The {0} assembly could not be registered.", _
     assemblyName), ex)
Finally
    distributorConn.Disconnect()
End Try

Безопасность многопоточности

Любые открытые статический (Shared в Visual Basic) элементы этого типа потокобезопасны. Потокобезопасность с элементами экземпляров не гарантируется.

См. также

Справочник

Пространство имен Microsoft.SqlServer.Replication

Другие ресурсы

Как реализовать обработчик бизнес-логики для статьи публикации слиянием (программирование объектов RMO)