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Classe MergePullSubscription

Represents a pull subscription to a merge publication.

Gerarchia di ereditarietà

System.Object
  Microsoft.SqlServer.Replication.ReplicationObject
    Microsoft.SqlServer.Replication.PullSubscription
      Microsoft.SqlServer.Replication.MergePullSubscription

Spazio dei nomi  Microsoft.SqlServer.Replication
Assembly:  Microsoft.SqlServer.Rmo (in Microsoft.SqlServer.Rmo.dll)

Sintassi

'Dichiarazione
Public NotInheritable Class MergePullSubscription _
    Inherits PullSubscription
'Utilizzo
Dim instance As MergePullSubscription
public sealed class MergePullSubscription : PullSubscription
public ref class MergePullSubscription sealed : public PullSubscription
[<SealedAttribute>]
type MergePullSubscription =  
    class 
        inherit PullSubscription 
    end
public final class MergePullSubscription extends PullSubscription

Nel tipo MergePullSubscription sono esposti i membri seguenti.

Costruttori

  Nome Descrizione
Metodo pubblico MergePullSubscription() Creates a new instance of the MergePullSubscription class.
Metodo pubblico MergePullSubscription(String, String, String, String, ServerConnection) Creates a new instance of the MergePullSubscription class with the specified database, Publisher, publication, and Subscriber connection.
Metodo pubblico MergePullSubscription(String, String, String, String, ServerConnection, Boolean) Creates a new instance of the MergePullSubscription class with the specified database, Publisher, publication, Subscriber connection, and whether the agent job is created.

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Proprietà

  Nome Descrizione
Proprietà pubblica AgentJobId Gets the ID of the agent job used to synchronize the subscription. Ereditato da PullSubscription.
Proprietà pubblica AgentOffload Gets or sets whether or not the Synchronization Agent runs on a computer other than the one where the agent job was created. This property is no longer supported for Distributors running Microsoft SQL Server 2005 and later. Ereditato da PullSubscription.
Proprietà pubblica AgentOffloadServer Gets or sets the name of the remote computer where the agent runs when using remote agent activation. Ereditato da PullSubscription.
Proprietà pubblica AgentSchedule Gets the schedule for the agent job used to synchronize the subscription. Ereditato da PullSubscription.
Proprietà pubblica AltSnapshotFolder Gets or sets the location where the publication snapshot files are obtained when the default snapshot location at the Distributor is not used. Ereditato da PullSubscription.
Proprietà pubblica CachePropertyChanges Gets or sets whether to cache changes made to the replication properties or to apply them immediately. Ereditato da ReplicationObject.
Proprietà pubblica ConnectionContext Gets or sets the connection to an instance of Microsoft SQL Server. Ereditato da ReplicationObject.
Proprietà pubblica CreateSyncAgentByDefault Gets or sets whether or not the agent job used to start the Replication Agent to synchronize the subscription is created when the subscription is created. Ereditato da PullSubscription.
Proprietà pubblica DatabaseName Gets or sets the name of the subscription database. Ereditato da PullSubscription.
Proprietà pubblica Description Gets or sets a textual description of the pull subscription. Ereditato da PullSubscription.
Proprietà pubblica DistributorName Gets or sets the instance of Microsoft SQL Server that is the Distributor and is distributing the publication to which the subscription subscribes. Ereditato da PullSubscription.
Proprietà pubblica DistributorSecurity Gets the security context used to connect to the Distributor. Ereditato da PullSubscription.
Proprietà pubblica DynamicSnapshotLocation Gets or sets the file location for the subscription-specific snapshot files when the publication uses a parameterized row filter.
Proprietà pubblica EnabledForSynchronizationManager Specifies whether or not the subscription can be synchronized using Windows Synchronization Manager. Ereditato da PullSubscription.
Proprietà pubblica FtpAddress Infrastruttura. Gets or sets the IP address of the FTP server. Ereditato da PullSubscription.
Proprietà pubblica FtpLogin Infrastruttura. Gets or sets the FTP login. Ereditato da PullSubscription.
Proprietà pubblica FtpPassword Infrastruttura. Gets or sets the FTP password. Ereditato da PullSubscription.
Proprietà pubblica FtpPort Infrastruttura. Gets or sets the port number for the FTP server. Ereditato da PullSubscription.
Proprietà pubblica HostName Gets or sets the value supplied to the HOST_NAME function when this function is used in the parameterized row filter that defines the Subscriber's data partition.
Proprietà pubblica InternetLogin Gets or sets the login used with HTTP Basic Authentication when connecting to the Web server during Web synchronization.
Proprietà pubblica InternetPassword Gets or sets the password for the supplied InternetLogin value when connecting to the Web server during Web synchronization.
Proprietà pubblica InternetSecurityMode Gets or sets the HTTP authentication method used when connecting to the Web server during Web synchronization.
Proprietà pubblica InternetTimeout Gets or sets the HTTP timeout, in seconds, when connecting to the Web server during Web synchronization.
Proprietà pubblica InternetUrl Gets or sets the URL to use when synchronizing the subscription using Web synchronization.
Proprietà pubblica IsExistingObject Gets whether the object exists on the server or not. Ereditato da ReplicationObject.
Proprietà pubblica LastAgentDateTime Gets the date and time when the subscription was last synchronized. Ereditato da PullSubscription.
Proprietà pubblica LastAgentStatus Gets the status of the most recent synchronization of the subscription. Ereditato da PullSubscription.
Proprietà pubblica LastAgentSummary Gets a summary of the result of the most recent synchronization of the subscription. Ereditato da PullSubscription.
Proprietà pubblica Name Gets the name generated for the pull subscription. Ereditato da PullSubscription.
Proprietà pubblica Priority Gets or sets the weighting of this server subscription relative to other server subscriptions when resolving conflicts between subscriptions.
Proprietà pubblica PublicationDBName Gets or sets the name of the publication database. Ereditato da PullSubscription.
Proprietà pubblica PublicationName Gets or sets the name of the publication to which the subscription subscribes. Ereditato da PullSubscription.
Proprietà pubblica PublisherName Gets or sets the name of the Publisher. Ereditato da PullSubscription.
Proprietà pubblica PublisherSecurity Gets or sets the security context used by the Synchronization Agent when connecting to the Publisher. Ereditato da PullSubscription.
Proprietà pubblica SecureFtpPassword Infrastruttura. Gets or sets the secured password for the login used to connect to the FTP server. Ereditato da PullSubscription.
Proprietà pubblica SecureInternetPassword Sets the password (as a SecureString object) used when connecting to the Web server using HTTP Basic Authentication.
Proprietà pubblica SqlServerName Gets the name of the Microsoft SQL Server instance to which this object is connected. Ereditato da ReplicationObject.
Proprietà pubblica SubscriberSecurity Gets the security context that is used by the Synchronization Agent when connecting to the Subscriber. Ereditato da PullSubscription.
Proprietà pubblica SubscriberType Gets or sets whether the subscription is a server or client subscription.
Proprietà pubblica SubscriptionId Gets the subscription ID value. Ereditato da PullSubscription.
Proprietà pubblica SubscriptionType Gets whether the subscription registration is for a push, pull, or anonymous subscription. Ereditato da PullSubscription.
Proprietà pubblica SynchronizationAgent Gets an object that represents an instance of the Merge Agent that can be used to synchronize the subscription.
Proprietà pubblica SynchronizationAgentProcessSecurity Gets the security context that is used to specify the Microsoft Windows account under which the Synchronization Agent job runs to synchronize the subscription. Ereditato da PullSubscription.
Proprietà pubblica SyncType Gets or sets the manner in which data is initialized at the Subscriber.
Proprietà pubblica Type Infrastruttura. Gets or sets the publication type. Ereditato da PullSubscription.
Proprietà pubblica UseFtp Gets or sets whether or not the snapshot files needed to initialize the pull subscription are accessed by the Synchronization Agent using File Transfer Protocol (FTP). Ereditato da PullSubscription.
Proprietà pubblica UseInteractiveResolver Gets or sets whether the Interactive Resolver is used during the synchronization process.
Proprietà pubblica UserData Gets or sets an object property that allows users to attach their own data to the object. Ereditato da ReplicationObject.
Proprietà pubblica UseWebSynchronization Gets or sets whether the subscription is synchronized using Web synchronization.
Proprietà pubblica WorkingDirectory Gets or sets the path of the directory at the Subscriber that is used to temporarily store and decompress downloaded snapshot files. Ereditato da PullSubscription.

In alto

Metodi

  Nome Descrizione
Metodo pubblico CommitPropertyChanges Sends all the cached property change statements to the instance of Microsoft SQL Server. Ereditato da ReplicationObject.
Metodo pubblico Create Creates the pull subscription on the Subscriber. Ereditato da PullSubscription.
Metodo pubblico Decouple Decouples the referenced replication object from the server. Ereditato da ReplicationObject.
Metodo pubblico EnumSynchronizationPartners Returns the Alternate Synchronization Partners
Metodo pubblico Equals Ereditato da Object.
Metodo pubblico GetHashCode Ereditato da Object.
Metodo pubblico GetType Ereditato da Object.
Metodo pubblico LastAgentJobHistoryInfo Returns information on the last Synchronization Agent job that was run. Ereditato da PullSubscription.
Metodo pubblico Load Loads the properties of an existing object from the server. Ereditato da ReplicationObject.
Metodo pubblico LoadProperties Loads the properties of an existing object from the server. Ereditato da ReplicationObject.
Metodo pubblico Refresh Reloads the properties of the object. Ereditato da ReplicationObject.
Metodo pubblico Reinitialize Marks the merge pull subscription for reinitialization.
Metodo pubblico Remove Removes the pull subscription. Ereditato da PullSubscription.
Metodo pubblico Script Returns a Transact-SQL script to create or delete the pull subscription based on the current property setting of the PullSubscription object. Ereditato da PullSubscription.
Metodo pubblico StopSynchronizationJob Attempts to stop a running Merge Agent job that is currently synchronizing the subscription. Esegue l'override di PullSubscription.StopSynchronizationJob().
Metodo pubblico SynchronizeWithJob Starts the agent job asynchronously to synchronize the pull subscription. Esegue l'override di PullSubscription.SynchronizeWithJob().
Metodo pubblico ToString Ereditato da Object.

In alto

Osservazioni

For a pull subscription, the Merge Agent runs at the Subscriber.

Thread Safety

Any public static (Shared in Microsoft Visual Basic) members of this type are safe for multithreaded operations. Any instance members are not guaranteed to be thread safe.

Esempi

           // Define the Publisher, publication, and databases.
            string publicationName = "AdvWorksSalesOrdersMerge";
            string publisherName = publisherInstance;
            string subscriberName = subscriberInstance;
            string subscriptionDbName = "AdventureWorks2012Replica";
            string publicationDbName = "AdventureWorks2012";
            string hostname = @"adventure-works\garrett1";

            //Create connections to the Publisher and Subscriber.
            ServerConnection subscriberConn = new ServerConnection(subscriberName);
            ServerConnection publisherConn = new ServerConnection(publisherName);

            // Create the objects that we need.
            MergePublication publication;
            MergePullSubscription subscription;

            try
            {
                // Connect to the Subscriber.
                subscriberConn.Connect();

                // Ensure that the publication exists and that 
                // it supports pull subscriptions.
                publication = new MergePublication();
                publication.Name = publicationName;
                publication.DatabaseName = publicationDbName;
                publication.ConnectionContext = publisherConn;

                if (publication.LoadProperties())
                {
                    if ((publication.Attributes & PublicationAttributes.AllowPull) == 0)
                    {
                        publication.Attributes |= PublicationAttributes.AllowPull;
                    }

                    // Define the pull subscription.
                    subscription = new MergePullSubscription();
                    subscription.ConnectionContext = subscriberConn;
                    subscription.PublisherName = publisherName;
                    subscription.PublicationName = publicationName;
                    subscription.PublicationDBName = publicationDbName;
                    subscription.DatabaseName = subscriptionDbName;
                    subscription.HostName = hostname;

                    // Specify the Windows login credentials for the Merge Agent job.
                    subscription.SynchronizationAgentProcessSecurity.Login = winLogin;
                    subscription.SynchronizationAgentProcessSecurity.Password = winPassword;

                    // Make sure that the agent job for the subscription is created.
                    subscription.CreateSyncAgentByDefault = true;

                    // Create the pull subscription at the Subscriber.
                    subscription.Create();

                    Boolean registered = false;

                    // Verify that the subscription is not already registered.
                    foreach (MergeSubscription existing
                        in publication.EnumSubscriptions())
                    {
                        if (existing.SubscriberName == subscriberName
                            && existing.SubscriptionDBName == subscriptionDbName
                            && existing.SubscriptionType == SubscriptionOption.Pull)
                        {
                            registered = true;
                        }
                    }
                    if (!registered)
                    {
                        // Register the local subscription with the Publisher.
                        publication.MakePullSubscriptionWellKnown(
                            subscriberName, subscriptionDbName,
                            SubscriptionSyncType.Automatic,
                            MergeSubscriberType.Local, 0);
                    }
                }
                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 = "AdvWorksSalesOrdersMerge"
Dim publisherName As String = publisherInstance
Dim subscriberName As String = subscriberInstance
Dim subscriptionDbName As String = "AdventureWorks2012Replica"
Dim publicationDbName As String = "AdventureWorks2012"
Dim hostname As String = "adventure-works\garrett1"

'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 MergePublication
Dim subscription As MergePullSubscription

Try
    ' Connect to the Subscriber.
    subscriberConn.Connect()

    ' Ensure that the publication exists and that 
    ' it supports pull subscriptions.
    publication = New MergePublication()
    publication.Name = publicationName
    publication.DatabaseName = publicationDbName
    publication.ConnectionContext = publisherConn

    If publication.LoadProperties() Then
        If (publication.Attributes And PublicationAttributes.AllowPull) = 0 Then
            publication.Attributes = publication.Attributes _
            Or PublicationAttributes.AllowPull
        End If

        ' Define the pull subscription.
        subscription = New MergePullSubscription()
        subscription.ConnectionContext = subscriberConn
        subscription.PublisherName = publisherName
        subscription.PublicationName = publicationName
        subscription.PublicationDBName = publicationDbName
        subscription.DatabaseName = subscriptionDbName
        subscription.HostName = hostname

        ' Specify the Windows login credentials for the Merge Agent job.
        subscription.SynchronizationAgentProcessSecurity.Login = winLogin
        subscription.SynchronizationAgentProcessSecurity.Password = winPassword

        ' Make sure that the agent job for the subscription is created.
        subscription.CreateSyncAgentByDefault = True

        ' 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 MergeSubscription In _
        publication.EnumSubscriptions()
            If existing.SubscriberName = subscriberName Then
                registered = True
            End If
        Next
        If Not registered Then
            ' Register the local subscription with the Publisher.
            publication.MakePullSubscriptionWellKnown( _
             subscriberName, subscriptionDbName, _
             SubscriptionSyncType.Automatic, _
             MergeSubscriberType.Local, 0)
        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

Protezione dei thread

I membri static (Shared in Visual Basic) pubblici di questo tipo sono affidabili. Non è invece garantita la sicurezza dei membri dell'istanza.

Vedere anche

Riferimento

Spazio dei nomi Microsoft.SqlServer.Replication

Altre risorse

Procedura: Creazione di una sottoscrizione pull (programmazione RMO)

Sales Orders Sample for Merge Replication