BusinessLogicHandler.DotNetClassName Property

Artikkeli
12/03/2008

Gets or sets the name of the class that implements the business logic handler.

Namespace: Microsoft.SqlServer.Replication
Assembly: Microsoft.SqlServer.Rmo (in microsoft.sqlserver.rmo.dll)

Syntax

'Declaration
Public Property DotNetClassName As String

public string DotNetClassName { get; set; }

public:
property String^ DotNetClassName {
    String^ get ();
    void set (String^ value);
}

/** @property */
public String get_DotNetClassName ()

/** @property */
public void set_DotNetClassName (String value)

public function get DotNetClassName () : String

public function set DotNetClassName (value : String)

Property Value

A String value that specifies the class name.

Remarks

The class that implements the business logic handler must be derived from the BusinessLogicModule class.

The DotNetClassName property must be set before calling RegisterBusinessLogicHandler.

Any user can retrieve or set the DotNetClassName property.

Example

// Specify the Distributor name and business logic properties.
string distributorName = publisherInstance;
string assemblyName = @"C:\Program Files\Microsoft SQL Server\90\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\90\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.RegisteredSubscribers
        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

Thread Safety

Any public static (Shared in Microsoft Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Platforms

Development Platforms

For a list of the supported platforms, see Hardware and Software Requirements for Installing SQL Server 2005.

Target Platforms