BusinessLogicHandler Kelas

Definisi

Ruang nama:

Microsoft.SqlServer.Replication

Rakitan:

Microsoft.SqlServer.Rmo.dll

Mewakili pendaftaran server untuk rakitan kode terkelola yang mengimplementasikan handler logika bisnis.

public ref class BusinessLogicHandler sealed

public sealed class BusinessLogicHandler

type BusinessLogicHandler = class

Public NotInheritable Class BusinessLogicHandler

Warisan

Object

BusinessLogicHandler

Contoh

// 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

Keterangan

Penangan logika bisnis didaftarkan dengan memanggil RegisterBusinessLogicHandler. Properti BusinessLogicHandler objek harus diatur sebelum memanggil RegisterBusinessLogicHandler.

Pendaftaran handler logika bisnis dihapus dengan memanggil UnregisterBusinessLogicHandler.

Panggilan EnumBusinessLogicHandlers untuk mendapatkan daftar penangan logika bisnis yang terdaftar di server.

Konstruktor

BusinessLogicHandler()

Menginisialisasi instans baru kelas BusinessLogicHandler.

Properti

DotNetAssemblyName	Mendapatkan atau menetapkan nama assembly yang mengimplementasikan handler logika bisnis.
DotNetClassName	Mendapatkan atau menetapkan nama kelas yang mengimplementasikan handler logika bisnis.
FriendlyName	Mendapatkan atau mengatur nama yang mendaftarkan penangan logika bisnis di server.
IsDotNetAssembly	Mendapatkan atau menetapkan nilai yang menunjukkan apakah penangan logika bisnis terdaftar adalah rakitan kode terkelola.
UserData	Mendapatkan atau mengatur objek di mana pengguna dapat melampirkan data mereka sendiri.

Metode

CheckValidDefinition(Boolean)

Menunjukkan apakah definisi valid.

Lihat juga

• Cara: Menerapkan Penanganan Logika Bisnis untuk Artikel Penggabungan (Pemrograman RMO)