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TransPullSubscription Constructeurs

Définition

Crée une instance de la classe TransPullSubscription.

Surcharges

TransPullSubscription()

Crée une instance de la classe TransPullSubscription.

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

Crée une nouvelle instance de la classe TransPullSubscription avec les propriétés qui définissent un abonnement par extraction.

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

Crée une nouvelle instance de la classe TransPullSubscription avec les propriétés qui définissent un abonnement par extraction et détermine s'il faut créer le travail de l'agent pour l'abonnement.

Remarques

Texte mis à jour :17 juillet 2006

Le tableau suivant montre les valeurs de propriété par défaut d’une nouvelle instance de TransPullSubscription. Toutes les propriétés qui ne sont pas énumérées explicitement dans cette table sont initialisées à une null valeur.

Propriété Valeur par défaut
AgentOffload false
AgentSchedule Valeur de 99991231 pour ActiveEndDate

Valeur de 235959 pour ActiveEndTime

Valeur de la date de création de l’abonnement pour ActiveStartDate

Valeur 0 pour ActiveStartTime

Valeur 0 pour FrequencyInterval

Valeur 0 pour FrequencyRecurrenceFactor

Valeur 0 pour FrequencySubDayInterval

Valeur de Continuously for FrequencyType
CachePropertyChanges false
CreateSyncAgentByDefault false
DistributorSecurity Valeur de true for WindowsAuthentication
EnabledForSynchronizationManager false
IsExistingObject false
SubscriberSecurity Valeur de true for WindowsAuthentication
SubscriberType Valeur de ReadOnly for TransSubscriberType
SubscriptionType Valeur de Pull for SubscriptionOption
SynchronizationAgent Instance de TransSynchronizationAgent la publication associée à l’abonnement que vous créez.
Type Valeur de Transactional for PublicationType
UseFtp false

TransPullSubscription()

Crée une instance de la classe TransPullSubscription.

public:
 TransPullSubscription();
public TransPullSubscription ();
Public Sub New ()

Exemples

// 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

Remarques

Le constructeur par défaut rétablit les valeurs par défaut de tous les champs.

S’applique à

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

Crée une nouvelle instance de la classe TransPullSubscription avec les propriétés qui définissent un abonnement par extraction.

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)

Paramètres

subscriptionDBName
String

Valeur String qui spécifie le nom de la base de données d’abonnement.

publisherName
String

Valeur String qui spécifie le nom du serveur de publication.

publicationDBName
String

Valeur String qui spécifie le nom de la base de données de publication.

publicationName
String

Valeur String qui spécifie le nom de la publication.

subscriberConnectionContext
ServerConnection

Objet ServerConnection qui spécifie la connexion de l'Abonné.

S’applique à

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

Crée une nouvelle instance de la classe TransPullSubscription avec les propriétés qui définissent un abonnement par extraction et détermine s'il faut créer le travail de l'agent pour l'abonnement.

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)

Paramètres

subscriptionDBName
String

Valeur String qui spécifie le nom de la base de données d’abonnement.

publisherName
String

Valeur String qui spécifie le nom du serveur de publication.

publicationDBName
String

Valeur String qui spécifie le nom de la base de données de publication.

publicationName
String

Valeur String qui spécifie le nom de la publication.

subscriberConnectionContext
ServerConnection

Objet ServerConnection qui spécifie la connexion de l'Abonné.

createDistributionAgentByDefault
Boolean

Valeur Boolean qui indique s'il faut créer le travail de l'Agent de distribution pour synchroniser l'abonnement.

S’applique à