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BusinessLogicHandler Classe

Définition

Représente l'inscription du serveur pour l'assembly de code managé qui implémente un gestionnaire de logique métier.

public ref class BusinessLogicHandler sealed
public sealed class BusinessLogicHandler
type BusinessLogicHandler = class
Public NotInheritable Class BusinessLogicHandler
Héritage
BusinessLogicHandler

Exemples

// 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

Remarques

Les gestionnaires de logique métier sont inscrits en appelant RegisterBusinessLogicHandler. Les propriétés de l’objet BusinessLogicHandler doivent être définies avant d’appeler RegisterBusinessLogicHandler.

Les inscriptions de gestionnaires de logique métier sont supprimées en appelant UnregisterBusinessLogicHandler.

Appelez EnumBusinessLogicHandlers pour obtenir la liste des gestionnaires de logique métier inscrits sur un serveur.

Constructeurs

BusinessLogicHandler()

Initialise une nouvelle instance de la classe BusinessLogicHandler.

Propriétés

DotNetAssemblyName

Obtient ou définit le nom de l'assembly qui implémente le gestionnaire de logique métier.

DotNetClassName

Obtient ou définit le nom de la classe qui implémente le gestionnaire de logique métier.

FriendlyName

Obtient ou définit le nom qui inscrit le gestionnaire de logique métier sur le serveur.

IsDotNetAssembly

Obtient ou définit une valeur qui indique si le gestionnaire de logique métier inscrit est un assembly de code managé.

UserData

Obtient ou définit un objet auquel les utilisateurs peuvent attacher leurs propres données.

Méthodes

CheckValidDefinition(Boolean)

Indique si la définition est valide.

S’applique à

Voir aussi