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Procédure : pour synchroniser un abonnement d'envoi de données (programmation RMO)

Vous pouvez synchroniser des abonnements par envoi de données par programme à l'aide des objets RMO (Replication Management Objects) et gérer l'accès au code pour les fonctionnalités de l'Agent de réplication. Les classes que vous utilisez pour créer un abonnement par envoi de données dépendent du type de publication à laquelle l'abonnement appartient.

[!REMARQUE]

Si vous souhaitez démarrer une synchronisation qui s'exécute de manière autonome sans affecter votre application, démarrez l'Agent de manière asynchrone. Toutefois, si vous souhaitez contrôler la sortie de la synchronisation et recevoir les rappels de l'Agent pendant le processus de synchronisation (par exemple, pour afficher une barre de progression), vous devez démarrer l'Agent en mode synchrone. Pour les abonnés MicrosoftSQL Server 2005 Express Edition, vous devez démarrer l'Agent en mode synchrone.

Pour synchroniser un abonnement par envoi de données vers une capture instantanée ou une publication transactionnelle

  1. Créez une connexion au serveur de distribution à l'aide de la classe ServerConnection.

  2. Créez une instance de la classe TransSubscription et définissez les propriétés suivantes :

  3. Appelez la méthode LoadProperties pour obtenir les autres propriétés de l'abonnement. Si cette méthode retourne false, vérifiez que l'abonnement existe.

  4. Démarrez l'Agent de distribution sur le serveur de distribution selon l'une des manières suivantes :

    • Appelez la méthode SynchronizeWithJob sur l'instance de TransSubscription à partir de l'étape 2. Cette méthode démarre l'Agent de distribution en mode asynchrone, et le contrôle retourne immédiatement à votre application pendant l'exécution du travail de l'Agent. Vous ne pouvez pas appeler cette méthode si l'abonnement a été créé avec la valeur false pour CreateSyncAgentByDefault.

    • Obtenez une instance de la classe TransSynchronizationAgent à partir de la propriété SynchronizationAgent, et appelez la méthode Synchronize. Cette méthode démarre l'Agent en mode synchrone, et le contrôle est maintenu par le travail de l'Agent en cours d'exécution. Lors de l'exécution synchrone, vous pouvez gérer l'événement Status pendant l'exécution de l'Agent.

Pour synchroniser un abonnement par envoi de données vers une publication de fusion

  1. Créez une connexion au serveur de distribution à l'aide de la classe ServerConnection.

  2. Créez une instance de la classe MergeSubscription et définissez les propriétés suivantes :

  3. Appelez la méthode LoadProperties pour obtenir les autres propriétés de l'abonnement. Si cette méthode retourne false, vérifiez que l'abonnement existe.

  4. Démarrez l'Agent de distribution sur le serveur de distribution selon l'une des manières suivantes :

    • Appelez la méthode SynchronizeWithJob sur l'instance de MergeSubscription à partir de l'étape 2. Cette méthode démarre l'Agent de fusion en mode asynchrone, et le contrôle retourne immédiatement à votre application pendant l'exécution du travail de l'Agent. Vous ne pouvez pas appeler cette méthode si l'abonnement a été créé avec la valeur false pour CreateSyncAgentByDefault.

    • Obtenez une instance de la classe MergeSynchronizationAgent à partir de la propriété SynchronizationAgent, et appelez la méthode Synchronize. Cette méthode démarre l'Agent de fusion en mode synchrone, et le contrôle est maintenu par le travail de l'Agent en cours d'exécution. Lors de l'exécution synchrone, vous pouvez gérer l'événement Status pendant l'exécution de l'Agent.

Exemple

Cet exemple synchronise un abonnement par envoi de données vers une publication transactionnelle, dans laquelle l'Agent est démarré en mode asynchrone à l'aide du travail de l'Agent.

         // Define the server, publication, and database names.
            string subscriberName = subscriberInstance;
            string publisherName = publisherInstance;
            string publicationName = "AdvWorksProductTran";
            string subscriptionDbName = "AdventureWorksReplica";
            string publicationDbName = "AdventureWorks";

            /// Create a connection to the Publisher.
            ServerConnection conn = new ServerConnection(publisherName);

            TransSubscription subscription;

            try
            {
                // Connect to the Publisher.
                conn.Connect();

                // Instantiate the push subscription.
                subscription = new TransSubscription();
                subscription.ConnectionContext = conn;
                subscription.DatabaseName = publicationDbName;
                subscription.PublicationName = publicationName;
                subscription.SubscriptionDBName = subscriptionDbName;
                subscription.SubscriberName = subscriberName;

                // If the push subscription and the job exists, start the agent job.
                if (subscription.LoadProperties() && subscription.AgentJobId != null)
                {
                    // Start the Distribution Agent asynchronously.
                    subscription.SynchronizeWithJob();
                }
                else
                {
                    // Do something here if the subscription does not exist.
                    throw new ApplicationException(String.Format(
                        "A subscription to '{0}' does not exists on {1}",
                        publicationName, subscriberName));
                }
            }
            catch (Exception ex)
            {
                // Implement appropriate error handling here.
                throw new ApplicationException("The subscription could not be synchronized.", ex);
            }
            finally
            {
                conn.Disconnect();
            }
' Define the server, publication, and database names.
Dim subscriberName As String = subscriberInstance
Dim publisherName As String = publisherInstance
Dim publicationName As String = "AdvWorksProductTran"
Dim subscriptionDbName As String = "AdventureWorksReplica"
Dim publicationDbName As String = "AdventureWorks"

' Create a connection to the Publisher.
Dim conn As ServerConnection = New ServerConnection(publisherName)

Dim subscription As TransSubscription

Try
    ' Connect to the Publisher.
    conn.Connect()

    ' Instantiate the push subscription.
    subscription = New TransSubscription()
    subscription.ConnectionContext = conn
    subscription.DatabaseName = publicationDbName
    subscription.PublicationName = publicationName
    subscription.SubscriptionDBName = subscriptionDbName
    subscription.SubscriberName = subscriberName

    ' If the push subscription and the job exists, start the agent job.
    If subscription.LoadProperties() And Not subscription.AgentJobId Is Nothing Then
        ' Start the Distribution Agent asynchronously.
        subscription.SynchronizeWithJob()
    Else
        ' Do something here if the subscription does not exist.
        Throw New ApplicationException(String.Format( _
         "A subscription to '{0}' does not exists on {1}", _
         publicationName, subscriberName))
    End If
Catch ex As Exception
    ' Implement appropriate error handling here.
    Throw New ApplicationException("The subscription could not be synchronized.", ex)
Finally
    conn.Disconnect()
End Try

Cet exemple synchronise un abonnement par envoi de données vers une publication transactionnelle, dans laquelle l'Agent est démarré en mode synchrone.

         // Define the server, publication, and database names.
            string subscriberName = subscriberInstance;
            string publisherName = publisherInstance;
            string publicationName = "AdvWorksProductTran";
            string subscriptionDbName = "AdventureWorksReplica";
            string publicationDbName = "AdventureWorks";

            // Create a connection to the Publisher.
            ServerConnection conn = new ServerConnection(publisherName);

            TransSubscription subscription;

            try
            {
                // Connect to the Publisher.
                conn.Connect();

                // Define the push subscription.
                subscription = new TransSubscription();
                subscription.ConnectionContext = conn;
                subscription.DatabaseName = publicationDbName;
                subscription.PublicationName = publicationName;
                subscription.SubscriptionDBName = subscriptionDbName;
                subscription.SubscriberName = subscriberName;

                // If the push subscription exists, start the synchronization.
                if (subscription.LoadProperties())
                {
                    // Check that we have enough metadata to start the agent.
                    if (subscription.SubscriberSecurity != null)
                    {
                        // Synchronously start the Distribution Agent for the subscription.
                        subscription.SynchronizationAgent.Synchronize();
                    }
                    else
                    {
                        throw new ApplicationException("There is insufficent metadata to " +
                            "synchronize the subscription. Recreate the subscription with " +
                            "the agent job or supply the required agent properties at run time.");
                    }
                }
                else
                {
                    // Do something here if the push subscription does not exist.
                    throw new ApplicationException(String.Format(
                        "The subscription to '{0}' does not exist on {1}",
                        publicationName, subscriberName));
                }
            }
            catch (Exception ex)
            {
                // Implement appropriate error handling here.
                throw new ApplicationException("The subscription could not be synchronized.", ex);
            }
            finally
            {
                conn.Disconnect();
            }
' Define the server, publication, and database names.
Dim subscriberName As String = subscriberInstance
Dim publisherName As String = publisherInstance
Dim publicationName As String = "AdvWorksProductTran"
Dim subscriptionDbName As String = "AdventureWorksReplica"
Dim publicationDbName As String = "AdventureWorks"

' Create a connection to the Publisher.
Dim conn As ServerConnection = New ServerConnection(publisherName)

Dim subscription As TransSubscription

Try
    ' Connect to the Publisher.
    conn.Connect()

    ' Define the push subscription.
    subscription = New TransSubscription()
    subscription.ConnectionContext = conn
    subscription.DatabaseName = publicationDbName
    subscription.PublicationName = publicationName
    subscription.SubscriptionDBName = subscriptionDbName
    subscription.SubscriberName = subscriberName

    ' If the push subscription exists, start the synchronization.
    If subscription.LoadProperties() Then
        ' Check that we have enough metadata to start the agent.
        If Not subscription.SubscriberSecurity Is Nothing Then

            ' Synchronously start the Distribution Agent for the subscription.
            subscription.SynchronizationAgent.Synchronize()
        Else
            Throw New ApplicationException("There is insufficent metadata to " + _
             "synchronize the subscription. Recreate the subscription with " + _
             "the agent job or supply the required agent properties at run time.")
        End If
    Else
        ' Do something here if the push subscription does not exist.
        Throw New ApplicationException(String.Format( _
         "The subscription to '{0}' does not exist on {1}", _
         publicationName, subscriberName))
    End If
Catch ex As Exception
    ' Implement appropriate error handling here.
    Throw New ApplicationException("The subscription could not be synchronized.", ex)
Finally
    conn.Disconnect()
End Try

Cet exemple synchronise un abonnement par envoi de données vers une publication de fusion, dans laquelle l'Agent est démarré en mode asynchrone à l'aide du travail de l'Agent.

            // Define the server, publication, and database names.
            string subscriberName = subscriberInstance;
            string publisherName = publisherInstance;
            string publicationName = "AdvWorksSalesOrdersMerge";
            string subscriptionDbName = "AdventureWorksReplica";
            string publicationDbName = "AdventureWorks";

            // Create a connection to the Publisher.
            ServerConnection conn = new ServerConnection(publisherName);

            MergeSubscription subscription;

            try
            {
                // Connect to the Publisher.
                conn.Connect();

                // Define push subscription.
                subscription = new MergeSubscription();
                subscription.ConnectionContext = conn;
                subscription.DatabaseName = publicationDbName;
                subscription.PublicationName = publicationName;
                subscription.SubscriptionDBName = subscriptionDbName;
                subscription.SubscriberName = subscriberName;

                // If the push subscription and the job exists, start the agent job.
                if (subscription.LoadProperties() && subscription.AgentJobId != null)
                {
                    // Start the Merge Agent asynchronously.
                    subscription.SynchronizeWithJob();
                }
                else
                {
                    // Do something here if the subscription does not exist.
                    throw new ApplicationException(String.Format(
                        "A subscription to '{0}' does not exists on {1}",
                        publicationName, subscriberName));
                }
            }
            catch (Exception ex)
            {
                // Implement appropriate error handling here.
                throw new ApplicationException("The subscription could not be synchronized.", ex);
            }
            finally
            {
                conn.Disconnect();
            }
' Define the server, publication, and database names.
Dim subscriberName As String = subscriberInstance
Dim publisherName As String = publisherInstance
Dim publicationName As String = "AdvWorksSalesOrdersMerge"
Dim subscriptionDbName As String = "AdventureWorksReplica"
Dim publicationDbName As String = "AdventureWorks"

' Create a connection to the Publisher.
Dim conn As ServerConnection = New ServerConnection(publisherName)

Dim subscription As MergeSubscription

Try
    ' Connect to the Publisher.
    conn.Connect()

    ' Define push subscription.
    subscription = New MergeSubscription()
    subscription.ConnectionContext = conn
    subscription.DatabaseName = publicationDbName
    subscription.PublicationName = publicationName
    subscription.SubscriptionDBName = subscriptionDbName
    subscription.SubscriberName = subscriberName

    ' If the push subscription and the job exists, start the agent job.
    If subscription.LoadProperties() And Not subscription.AgentJobId Is Nothing Then
        ' Start the Merge Agent asynchronously.
        subscription.SynchronizeWithJob()
    Else
        ' Do something here if the subscription does not exist.
        Throw New ApplicationException(String.Format( _
            "A subscription to '{0}' does not exists on {1}", _
            publicationName, subscriberName))
    End If
Catch ex As Exception
    ' Implement appropriate error handling here.
    Throw New ApplicationException("The subscription could not be synchronized.", ex)
Finally
    conn.Disconnect()
End Try

Cet exemple synchronise un abonnement par envoi de données vers une publication de fusion, dans laquelle l'Agent est démarré en mode synchrone.

            // Define the server, publication, and database names.
            string subscriberName = subscriberInstance;
            string publisherName = publisherInstance;
            string publicationName = "AdvWorksSalesOrdersMerge";
            string subscriptionDbName = "AdventureWorksReplica";
            string publicationDbName = "AdventureWorks";

            // Create a connection to the Publisher.
            ServerConnection conn = new ServerConnection(publisherName);

            MergeSubscription subscription;

            try
            {
                // Connect to the Publisher
                conn.Connect();

                // Define the subscription.
                subscription = new MergeSubscription();
                subscription.ConnectionContext = conn;
                subscription.DatabaseName = publicationDbName;
                subscription.PublicationName = publicationName;
                subscription.SubscriptionDBName = subscriptionDbName;
                subscription.SubscriberName = subscriberName;

                // If the push subscription exists, start the synchronization.
                if (subscription.LoadProperties())
                {
                    // Check that we have enough metadata to start the agent.
                    if (subscription.SubscriberSecurity != null)
                    {
                        // Synchronously start the Merge Agent for the subscription.
                        subscription.SynchronizationAgent.Synchronize();
                    }
                    else
                    {
                        throw new ApplicationException("There is insufficent metadata to " +
                            "synchronize the subscription. Recreate the subscription with " +
                            "the agent job or supply the required agent properties at run time.");
                    }
                }
                else
                {
                    // Do something here if the push subscription does not exist.
                    throw new ApplicationException(String.Format(
                        "The subscription to '{0}' does not exist on {1}",
                        publicationName, subscriberName));
                }
            }
            catch (Exception ex)
            {
                // Implement appropriate error handling here.
                throw new ApplicationException("The subscription could not be synchronized.", ex);
            }
            finally
            {
                conn.Disconnect();
            }
' Define the server, publication, and database names.
Dim subscriberName As String = subscriberInstance
Dim publisherName As String = publisherInstance
Dim publicationName As String = "AdvWorksSalesOrdersMerge"
Dim subscriptionDbName As String = "AdventureWorksReplica"
Dim publicationDbName As String = "AdventureWorks"

' Create a connection to the Publisher.
Dim conn As ServerConnection = New ServerConnection(publisherName)

Dim subscription As MergeSubscription

Try
    ' Connect to the Publisher
    conn.Connect()

    ' Define the subscription.
    subscription = New MergeSubscription()
    subscription.ConnectionContext = conn
    subscription.DatabaseName = publicationDbName
    subscription.PublicationName = publicationName
    subscription.SubscriptionDBName = subscriptionDbName
    subscription.SubscriberName = subscriberName

    ' If the push subscription exists, start the synchronization.
    If subscription.LoadProperties() Then
        ' Check that we have enough metadata to start the agent.
        If Not subscription.SubscriberSecurity Is Nothing Then
            ' Synchronously start the Merge Agent for the subscription.
            ' Log agent messages to an output file.
            subscription.SynchronizationAgent.Output = "mergeagent.log"
            subscription.SynchronizationAgent.OutputVerboseLevel = 2
            subscription.SynchronizationAgent.Synchronize()
        Else
            Throw New ApplicationException("There is insufficent metadata to " + _
             "synchronize the subscription. Recreate the subscription with " + _
             "the agent job or supply the required agent properties at run time.")
        End If
    Else
        ' Do something here if the push subscription does not exist.
        Throw New ApplicationException(String.Format( _
         "The subscription to '{0}' does not exist on {1}", _
         publicationName, subscriberName))
    End If
Catch ex As Exception
    ' Implement appropriate error handling here.
    Throw New ApplicationException("The subscription could not be synchronized.", ex)
Finally
    conn.Disconnect()
End Try