TransPullSubscription Constructores

Referencia

Definición

Espacio de nombres:: Microsoft.SqlServer.Replication

Ensamblado:: Microsoft.SqlServer.Rmo.dll

Importante

Parte de la información hace referencia a la versión preliminar del producto, que puede haberse modificado sustancialmente antes de lanzar la versión definitiva. Microsoft no otorga ninguna garantía, explícita o implícita, con respecto a la información proporcionada aquí.

Crea una nueva instancia de la clase TransPullSubscription.

Sobrecargas

TransPullSubscription()	Crea una nueva instancia de la clase TransPullSubscription.
TransPullSubscription(String, String, String, String, ServerConnection)	Crea una instancia de la clase TransPullSubscription con las propiedades que definen una suscripción de extracción.
TransPullSubscription(String, String, String, String, ServerConnection, Boolean)	Crea una instancia de la clase TransPullSubscription con las propiedades que definen una suscripción de extracción y define si se crea o no el trabajo de agente para la suscripción.

Comentarios

Texto actualizado:17 de julio de 2006

En la tabla siguiente se muestran los valores de propiedad predeterminados para una nueva instancia de TransPullSubscription. Las propiedades que no se enumeran explícitamente en esta tabla se inicializan en un null valor.

Propiedad	Valor predeterminado
AgentOffload	`false`
AgentSchedule	Valor de 99991231 para ActiveEndDate Valor de 235959 para ActiveEndTime Valor de la fecha de creación de la suscripción para ActiveStartDate Un valor de 0 para ActiveStartTime Un valor de 0 para FrequencyInterval Un valor de 0 para FrequencyRecurrenceFactor Un valor de 0 para FrequencySubDayInterval Valor de `Continuously` para FrequencyType
CachePropertyChanges	`false`
CreateSyncAgentByDefault	`false`
DistributorSecurity	Valor de `true` para WindowsAuthentication
EnabledForSynchronizationManager	`false`
IsExistingObject	`false`
SubscriberSecurity	Valor de `true` para WindowsAuthentication
SubscriberType	Valor de `ReadOnly` para TransSubscriberType
SubscriptionType	Valor de `Pull` para SubscriptionOption
SynchronizationAgent	Instancia de de TransSynchronizationAgent la publicación asociada a la suscripción que se crea.
Type	Valor de `Transactional` para PublicationType
UseFtp	`false`

TransPullSubscription()

Crea una nueva instancia de la clase TransPullSubscription.

public:
 TransPullSubscription();

public TransPullSubscription ();

Public Sub New ()

Ejemplos

// Define the Publisher, publication, and databases.
string publicationName = "AdvWorksProductTran";
string publisherName = publisherInstance;
string subscriberName = subscriberInstance;
string subscriptionDbName = "AdventureWorks2012Replica";
string publicationDbName = "AdventureWorks2012";

//Create connections to the Publisher and Subscriber.
ServerConnection subscriberConn = new ServerConnection(subscriberName);
ServerConnection publisherConn = new ServerConnection(publisherName);

// Create the objects that we need.
TransPublication publication;
TransPullSubscription subscription;

try
{
    // Connect to the Publisher and Subscriber.
    subscriberConn.Connect();
    publisherConn.Connect();

    // Ensure that the publication exists and that 
    // it supports pull subscriptions.
    publication = new TransPublication();
    publication.Name = publicationName;
    publication.DatabaseName = publicationDbName;
    publication.ConnectionContext = publisherConn;

    if (publication.IsExistingObject)
    {
        if ((publication.Attributes & PublicationAttributes.AllowPull) == 0)
        {
            publication.Attributes |= PublicationAttributes.AllowPull;
        }

        // Define the pull subscription.
        subscription = new TransPullSubscription();
        subscription.ConnectionContext = subscriberConn;
        subscription.PublisherName = publisherName;
        subscription.PublicationName = publicationName;
        subscription.PublicationDBName = publicationDbName;
        subscription.DatabaseName = subscriptionDbName;

        // Specify the Windows login credentials for the Distribution Agent job.
        subscription.SynchronizationAgentProcessSecurity.Login = winLogin;
        subscription.SynchronizationAgentProcessSecurity.Password = winPassword;

        // Make sure that the agent job for the subscription is created.
        subscription.CreateSyncAgentByDefault = true;

        // By default, subscriptions to transactional publications are synchronized 
        // continuously, but in this case we only want to synchronize on demand.
        subscription.AgentSchedule.FrequencyType = ScheduleFrequencyType.OnDemand;

        // Create the pull subscription at the Subscriber.
        subscription.Create();

        Boolean registered = false;

        // Verify that the subscription is not already registered.
        foreach (TransSubscription existing
            in publication.EnumSubscriptions())
        {
            if (existing.SubscriberName == subscriberName
                && existing.SubscriptionDBName == subscriptionDbName)
            {
                registered = true;
            }
        }
        if (!registered)
        {
            // Register the subscription with the Publisher.
            publication.MakePullSubscriptionWellKnown(
                subscriberName, subscriptionDbName,
                SubscriptionSyncType.Automatic,
                TransSubscriberType.ReadOnly);
        }
    }
    else
    {
        // Do something here if the publication does not exist.
        throw new ApplicationException(String.Format(
            "The publication '{0}' does not exist on {1}.",
            publicationName, publisherName));
    }
}
catch (Exception ex)
{
    // Implement the appropriate error handling here.
    throw new ApplicationException(String.Format(
        "The subscription to {0} could not be created.", publicationName), ex);
}
finally
{
    subscriberConn.Disconnect();
    publisherConn.Disconnect();
}

' Define the Publisher, publication, and databases.
Dim publicationName As String = "AdvWorksProductTran"
Dim publisherName As String = publisherInstance
Dim subscriberName As String = subscriberInstance
Dim subscriptionDbName As String = "AdventureWorks2012Replica"
Dim publicationDbName As String = "AdventureWorks2012"

'Create connections to the Publisher and Subscriber.
Dim subscriberConn As ServerConnection = New ServerConnection(subscriberName)
Dim publisherConn As ServerConnection = New ServerConnection(publisherName)

' Create the objects that we need.
Dim publication As TransPublication
Dim subscription As TransPullSubscription

Try
    ' Connect to the Publisher and Subscriber.
    subscriberConn.Connect()
    publisherConn.Connect()

    ' Ensure that the publication exists and that 
    ' it supports pull subscriptions.
    publication = New TransPublication()
    publication.Name = publicationName
    publication.DatabaseName = publicationDbName
    publication.ConnectionContext = publisherConn

    If publication.IsExistingObject Then
        If (publication.Attributes And PublicationAttributes.AllowPull) = 0 Then
            publication.Attributes = publication.Attributes _
            Or PublicationAttributes.AllowPull
        End If

        ' Define the pull subscription.
        subscription = New TransPullSubscription()
        subscription.ConnectionContext = subscriberConn
        subscription.PublisherName = publisherName
        subscription.PublicationName = publicationName
        subscription.PublicationDBName = publicationDbName
        subscription.DatabaseName = subscriptionDbName
        subscription.Description = "Pull subscription to " + publicationDbName _
        + " on " + subscriberName + "."

        ' Specify the Windows login credentials for the Distribution Agent job.
        subscription.SynchronizationAgentProcessSecurity.Login = winLogin
        subscription.SynchronizationAgentProcessSecurity.Password = winPassword

        ' Make sure that the agent job for the subscription is created.
        subscription.CreateSyncAgentByDefault = True

        ' By default, subscriptions to transactional publications are synchronized 
        ' continuously, but in this case we only want to synchronize on demand.
        subscription.AgentSchedule.FrequencyType = ScheduleFrequencyType.OnDemand

        ' Create the pull subscription at the Subscriber.
        subscription.Create()

        Dim registered As Boolean = False

        ' Verify that the subscription is not already registered.
        For Each existing As TransSubscription In publication.EnumSubscriptions()
            If existing.SubscriberName = subscriberName And _
                existing.SubscriptionDBName = subscriptionDbName Then
                registered = True
            End If
        Next existing
        If Not registered Then
            ' Register the subscription with the Publisher.
            publication.MakePullSubscriptionWellKnown( _
             subscriberName, subscriptionDbName, _
             SubscriptionSyncType.Automatic, _
             TransSubscriberType.ReadOnly)
        End If
    Else
        ' Do something here if the publication does not exist.
        Throw New ApplicationException(String.Format( _
         "The publication '{0}' does not exist on {1}.", _
         publicationName, publisherName))
    End If
Catch ex As Exception
    ' Implement the appropriate error handling here.
    Throw New ApplicationException(String.Format( _
        "The subscription to {0} could not be created.", publicationName), ex)
Finally
    subscriberConn.Disconnect()
    publisherConn.Disconnect()
End Try

Comentarios

El constructor predeterminado inicializa los campos con sus valores predeterminados.

Se aplica a

TransPullSubscription(String, String, String, String, ServerConnection)

Crea una instancia de la clase TransPullSubscription con las propiedades que definen una suscripción de extracción.

public:
 TransPullSubscription(System::String ^ subscriptionDBName, System::String ^ publisherName, System::String ^ publicationDBName, System::String ^ publicationName, Microsoft::SqlServer::Management::Common::ServerConnection ^ subscriberConnectionContext);

public TransPullSubscription (string subscriptionDBName, string publisherName, string publicationDBName, string publicationName, Microsoft.SqlServer.Management.Common.ServerConnection subscriberConnectionContext);

new Microsoft.SqlServer.Replication.TransPullSubscription : string * string * string * string * Microsoft.SqlServer.Management.Common.ServerConnection -> Microsoft.SqlServer.Replication.TransPullSubscription

Public Sub New (subscriptionDBName As String, publisherName As String, publicationDBName As String, publicationName As String, subscriberConnectionContext As ServerConnection)

Parámetros

subscriptionDBName: String

Valor String que especifica el nombre de la base de datos de suscripciones.

publisherName: String

Valor String que especifica el nombre del publicador.

publicationDBName: String

Valor String que especifica el nombre de la base de datos de publicación.

publicationName: String

Valor String que especifica el nombre de la publicación.

subscriberConnectionContext: ServerConnection

Objeto ServerConnection que especifica la conexión del suscriptor.

Se aplica a

TransPullSubscription(String, String, String, String, ServerConnection, Boolean)

Crea una instancia de la clase TransPullSubscription con las propiedades que definen una suscripción de extracción y define si se crea o no el trabajo de agente para la suscripción.

public:
 TransPullSubscription(System::String ^ subscriptionDBName, System::String ^ publisherName, System::String ^ publicationDBName, System::String ^ publicationName, Microsoft::SqlServer::Management::Common::ServerConnection ^ subscriberConnectionContext, bool createDistributionAgentByDefault);

public TransPullSubscription (string subscriptionDBName, string publisherName, string publicationDBName, string publicationName, Microsoft.SqlServer.Management.Common.ServerConnection subscriberConnectionContext, bool createDistributionAgentByDefault);

new Microsoft.SqlServer.Replication.TransPullSubscription : string * string * string * string * Microsoft.SqlServer.Management.Common.ServerConnection * bool -> Microsoft.SqlServer.Replication.TransPullSubscription

Public Sub New (subscriptionDBName As String, publisherName As String, publicationDBName As String, publicationName As String, subscriberConnectionContext As ServerConnection, createDistributionAgentByDefault As Boolean)

Parámetros

subscriptionDBName: String

Valor String que especifica el nombre de la base de datos de suscripciones.

publisherName: String

Valor String que especifica el nombre del publicador.

publicationDBName: String

Valor String que especifica el nombre de la base de datos de publicación.

publicationName: String

Valor String que especifica el nombre de la publicación.

subscriberConnectionContext: ServerConnection

Objeto ServerConnection que especifica la conexión del suscriptor.

createDistributionAgentByDefault: Boolean

Valor Boolean que indica si se va a crear el trabajo del Agente de distribución para sincronizar la suscripción.

Se aplica a

Compartir a través de

TransPullSubscription Constructores

Definición

Sobrecargas

Comentarios

TransPullSubscription()

Ejemplos

Comentarios

Se aplica a

TransPullSubscription(String, String, String, String, ServerConnection)

Parámetros

Se aplica a

TransPullSubscription(String, String, String, String, ServerConnection, Boolean)

Parámetros

Se aplica a

Recursos adicionales