Lenguaje

TransPullSubscription Constructores

Definición

Crea una nueva instancia de la clase TransPullSubscription.

Sobrecargas

Nombre Description
TransPullSubscription()

Crea una nueva instancia de la clase TransPullSubscription.

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

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

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

Crea una nueva instancia de la TransPullSubscription clase con las propiedades que definen una suscripción pull y si crear o no el trabajo agente para la suscripción.

Comentarios

Texto actualizado:17 de julio de 2006

La siguiente tabla muestra los valores de propiedad por defecto para una nueva instancia de TransPullSubscription. Cualquier propiedad que no esté explícitamente enumerada en esta tabla se inicializa a un null valor.

Propiedad Valor predeterminado
AgentOffload false
AgentSchedule Un valor de 99991231 para ActiveEndDate

Un valor de 235959 para ActiveEndTime

Un 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

Un valor de Continuously para FrequencyType
CachePropertyChanges false
CreateSyncAgentByDefault false
DistributorSecurity Un valor de true para WindowsAuthentication
EnabledForSynchronizationManager false
IsExistingObject false
SubscriberSecurity Un valor de true para WindowsAuthentication
SubscriberType Un valor de ReadOnly para TransSubscriberType
SubscriptionType Un valor de Pull para SubscriptionOption
SynchronizationAgent Un ejemplo de TransSynchronizationAgent la publicación asociada a la suscripción que creas.
Type Un 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 por defecto inicializa cualquier campo a sus valores predeterminados.

Se aplica a

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

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

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

Un String valor que especifica el nombre de la base de datos de suscripción.

publisherName
String

Un valor que especifica String el nombre del Publisher.

publicationDBName
String

Un String valor que especifica el nombre de la base de datos de la publicación.

publicationName
String

Un valor que especifica String el nombre de la publicación.

subscriberConnectionContext
ServerConnection

Un ServerConnection objeto que especifica la conexión de suscriptor.

Se aplica a

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

Crea una nueva instancia de la TransPullSubscription clase con las propiedades que definen una suscripción pull y si crear o no el trabajo 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

Un String valor que especifica el nombre de la base de datos de suscripción.

publisherName
String

Un valor que especifica String el nombre del Publisher.

publicationDBName
String

Un String valor que especifica el nombre de la base de datos de la publicación.

publicationName
String

Un valor que especifica String el nombre de la publicación.

subscriberConnectionContext
ServerConnection

Un ServerConnection objeto que especifica la conexión de suscriptor.

createDistributionAgentByDefault
Boolean

Un Boolean valor que indica si crear el trabajo Agente de distribución para sincronizar la suscripción.

Se aplica a