TransPullSubscription Konstruktoren
Definition
Wichtig
Einige Informationen beziehen sich auf Vorabversionen, die vor dem Release ggf. grundlegend überarbeitet werden. Microsoft übernimmt hinsichtlich der hier bereitgestellten Informationen keine Gewährleistungen, seien sie ausdrücklich oder konkludent.
Erstellt eine neue Instanz der TransPullSubscription-Klasse.
Überlädt
TransPullSubscription() |
Erstellt eine neue Instanz der TransPullSubscription-Klasse. |
TransPullSubscription(String, String, String, String, ServerConnection) |
Erstellt eine neue Instanz der TransPullSubscription-Klasse mit den Eigenschaften, die ein Pullabonnement definieren. |
TransPullSubscription(String, String, String, String, ServerConnection, Boolean) |
Erstellt eine neue Instanz der TransPullSubscription-Klasse mit den Eigenschaften, die ein Pullabonnement definieren, und Angaben darüber, ob der Agent-Auftrag für das Abonnement erstellt werden soll. |
Hinweise
Aktualisierter Text:17. Juli 2006
Die folgende Tabelle zeigt die Standardwerte für eine neue Instanz von TransPullSubscription. Alle Eigenschaften, die in dieser Tabelle nicht explizit aufgezählt werden, werden in einem null
Wert initialisiert.
Eigenschaft | Standardwert |
---|---|
AgentOffload | false |
AgentSchedule | Ein Wert von 99991231 für ActiveEndDate Ein Wert von 235959 für ActiveEndTime Ein Wert des Abonnementerstellungsdatums für ActiveStartDate Wert von 0 für ActiveStartTime Wert von 0 für FrequencyInterval Wert von 0 für FrequencyRecurrenceFactor Wert von 0 für FrequencySubDayInterval Ein Wert für Continuously FrequencyType |
CachePropertyChanges | false |
CreateSyncAgentByDefault | false |
DistributorSecurity | Ein Wert für true WindowsAuthentication |
EnabledForSynchronizationManager | false |
IsExistingObject | false |
SubscriberSecurity | Ein Wert für true WindowsAuthentication |
SubscriberType | Ein Wert für ReadOnly TransSubscriberType |
SubscriptionType | Ein Wert für Pull SubscriptionOption |
SynchronizationAgent | Eine Instanz aus TransSynchronizationAgent der Publikation, die dem von Ihnen erstellten Abonnement zugeordnet ist. |
Type | Ein Wert für Transactional PublicationType |
UseFtp | false |
TransPullSubscription()
Erstellt eine neue Instanz der TransPullSubscription-Klasse.
public:
TransPullSubscription();
public TransPullSubscription ();
Public Sub New ()
Beispiele
// 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
Hinweise
Der Standardkonstruktor initialisiert die Felder zu ihren Standardwerten.
Gilt für:
TransPullSubscription(String, String, String, String, ServerConnection)
Erstellt eine neue Instanz der TransPullSubscription-Klasse mit den Eigenschaften, die ein Pullabonnement definieren.
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)
Parameter
- subscriberConnectionContext
- ServerConnection
Ein ServerConnection-Objekt, das die Abonnentverbindung angibt.
Gilt für:
TransPullSubscription(String, String, String, String, ServerConnection, Boolean)
Erstellt eine neue Instanz der TransPullSubscription-Klasse mit den Eigenschaften, die ein Pullabonnement definieren, und Angaben darüber, ob der Agent-Auftrag für das Abonnement erstellt werden soll.
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)
Parameter
- subscriberConnectionContext
- ServerConnection
Ein ServerConnection-Objekt, das die Abonnentverbindung angibt.
- createDistributionAgentByDefault
- Boolean
Ein Boolean-Wert, der angibt, ob der Verteilungs-Agent-Auftrag zum Synchronisieren des Abonnements erstellt wird.