TransPullSubscription Constructeurs
Définition
Important
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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
- 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
- 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.