• Articolo

Classe DistributionPublisher

Represents information about a Publisher registered at the currently connected Distributor.

Gerarchia di ereditarietà

System. . :: . .Object
  Microsoft.SqlServer.Replication. . :: . .ReplicationObject
    Microsoft.SqlServer.Replication..::..DistributionPublisher

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

Sintassi

'Dichiarazione
Public NotInheritable Class DistributionPublisher _
    Inherits ReplicationObject
'Utilizzo
Dim instance As DistributionPublisher

public sealed class DistributionPublisher : ReplicationObject

public ref class DistributionPublisher sealed : public ReplicationObject

[<SealedAttribute>]
type DistributionPublisher =  
    class
        inherit ReplicationObject
    end

public final class DistributionPublisher extends ReplicationObject

Nel tipo DistributionPublisher sono esposti i membri seguenti.

Costruttori

  Nome Descrizione
Metodo pubblico DistributionPublisher() () () () Creates a new instance of the DistributionPublisher class.
Metodo pubblico DistributionPublisher(String, ServerConnection) Creates a new instance of the DistributionPublisher class, with the Publisher name and with a connection to the Distributor used by the Publisher.

In alto

Proprietà

  Nome Descrizione
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 DistributionDatabase Gets or sets the name of the distribution database used by the Publisher.
Proprietà pubblica DistributionPublications Returns the publications that exist at the Publisher.
Proprietà pubblica HeterogeneousLogReaderAgentExists Gets whether the Log Reader Agent job exists for the non-SQL Server Publisher.
Proprietà pubblica HeterogeneousLogReaderAgentProcessSecurity Gets the security context used by the Log Reader agent for a non-SQL Server Publisher.
Proprietà pubblica IsExistingObject Gets whether the object exists on the server or not. Ereditato da ReplicationObject.
Proprietà pubblica Name Gets or sets the name of the Publisher instance of Microsoft SQL Server.
Proprietà pubblica PublisherSecurity Gets the security context used by replication agent when connecting to the Publisher.
Proprietà pubblica PublisherType Gets or sets the Publisher type.
Proprietà pubblica RegisteredSubscribers Returns the Subscribers that are subscribed to publications at the Publisher.
Proprietà pubblica SqlServerName Gets the name of the Microsoft SQL Server instance to which this object is connected. Ereditato da ReplicationObject.
Proprietà pubblica Status Gets the Publisher status.
Proprietà pubblica ThirdParty Gets or sets whether the Publisher is a non-SQL Server Publisher.
Proprietà pubblica TransPublications Returns the transactional publications at the Publisher.
Proprietà pubblica TrustedDistributorConnection Infrastruttura.
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 WorkingDirectory Gets or sets the name of the working directory used to store data and schema files for the publication.

In alto

Metodi

  Nome Descrizione
Metodo protetto CheckValidCreation Infrastruttura. Ereditato da ReplicationObject.
Metodo protetto CheckValidDefinition Infrastruttura. Ereditato da ReplicationObject.
Metodo pubblico CommitPropertyChanges Sends all the cached property change statements to the instance of Microsoft SQL Server. Ereditato da ReplicationObject.
Metodo pubblico Create Registers the Publisher with the specified properties at the Distributor.
Metodo pubblico CreateHeterogeneousLogReaderAgent Creates a Log Reader Agent job for a non-SQL Server Publisher.
Metodo pubblico Decouple Decouples the referenced replication object from the server. Ereditato da ReplicationObject.
Metodo pubblico EnumDistributionPublications Returns information stored at the Distributor about publications at this Publisher.
Metodo pubblico EnumRegisteredSubscribers Returns information stored at the Distributor about Subscribers to publications at this Publisher.
Metodo pubblico EnumTransPublications Returns information at the Distributor about transactional publications at this Publisher.
Metodo pubblico Equals Ereditato da Object.
Metodo protetto Finalize Ereditato da Object.
Metodo protetto GetChangeCommand Infrastruttura. Ereditato da ReplicationObject.
Metodo protetto GetCreateCommand Infrastruttura. Ereditato da ReplicationObject.
Metodo protetto GetDropCommand Infrastruttura. Ereditato da ReplicationObject.
Metodo pubblico GetHashCode Ereditato da Object.
Metodo pubblico GetType Ereditato da Object.
Metodo protetto InternalRefresh Infrastruttura. Ereditato da ReplicationObject.
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 protetto MemberwiseClone Ereditato da Object.
Metodo pubblico Refresh Reloads the properties of the object. Ereditato da ReplicationObject.
Metodo pubblico Remove Removes the registration for this Publisher from the currently connected Distributor.
Metodo pubblico Script Generates a Transact-SQL script that can be used to install or uninstall the Publisher.
Metodo pubblico ToString Ereditato da Object.

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Osservazioni

The DistributionPublisher class requires a connection to the Distributor that is used by the Publisher.

This namespace, class, or member is supported only in version 2.0 of the .NET Framework.

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

This example shows how a DistributionPublisher object is used to enable publishing.

           // Set the server and database names
            string distributionDbName = "distribution";
            string publisherName = publisherInstance;
            string publicationDbName = "AdventureWorks2008R2";

            DistributionDatabase distributionDb;
            ReplicationServer distributor;
            DistributionPublisher publisher;
            ReplicationDatabase publicationDb;

            // Create a connection to the server using Windows Authentication.
            ServerConnection conn = new ServerConnection(publisherName);

            try
            {
                // Connect to the server acting as the Distributor 
                // and local Publisher.
                conn.Connect();

                // Define the distribution database at the Distributor,
                // but do not create it now.
                distributionDb = new DistributionDatabase(distributionDbName, conn);
                distributionDb.MaxDistributionRetention = 96;
                distributionDb.HistoryRetention = 120;

                // Set the Distributor properties and install the Distributor.
                // This also creates the specified distribution database.
                distributor = new ReplicationServer(conn);
                distributor.InstallDistributor((string)null, distributionDb);

                // Set the Publisher properties and install the Publisher.
                publisher = new DistributionPublisher(publisherName, conn);
                publisher.DistributionDatabase = distributionDb.Name;
                publisher.WorkingDirectory = @"\\" + publisherName + @"\repldata";
                publisher.PublisherSecurity.WindowsAuthentication = true;
                publisher.Create();

                // Enable AdventureWorks as a publication database.
                publicationDb = new ReplicationDatabase(publicationDbName, conn);

                publicationDb.EnabledTransPublishing = true;
                publicationDb.EnabledMergePublishing = true;
            }
            catch (Exception ex)
            {
                // Implement appropriate error handling here.
                throw new ApplicationException("An error occured when installing distribution and publishing.", ex);
            }
            finally
            {
                conn.Disconnect();
            }

' Set the server and database names
Dim distributionDbName As String = "distribution"
Dim publisherName As String = publisherInstance
Dim publicationDbName As String = "AdventureWorks2008R2"

Dim distributionDb As DistributionDatabase
Dim distributor As ReplicationServer
Dim publisher As DistributionPublisher
Dim publicationDb As ReplicationDatabase

' Create a connection to the server using Windows Authentication.
Dim conn As ServerConnection = New ServerConnection(publisherName)

Try
    ' Connect to the server acting as the Distributor 
    ' and local Publisher.
    conn.Connect()

    ' Define the distribution database at the Distributor,
    ' but do not create it now.
    distributionDb = New DistributionDatabase(distributionDbName, conn)
    distributionDb.MaxDistributionRetention = 96
    distributionDb.HistoryRetention = 120

    ' Set the Distributor properties and install the Distributor.
    ' This also creates the specified distribution database.
    distributor = New ReplicationServer(conn)
    distributor.InstallDistributor((CType(Nothing, String)), distributionDb)

    ' Set the Publisher properties and install the Publisher.
    publisher = New DistributionPublisher(publisherName, conn)
    publisher.DistributionDatabase = distributionDb.Name
    publisher.WorkingDirectory = "\\" + publisherName + "\repldata"
    publisher.PublisherSecurity.WindowsAuthentication = True
    publisher.Create()

    ' Enable AdventureWorks as a publication database.
    publicationDb = New ReplicationDatabase(publicationDbName, conn)

    publicationDb.EnabledTransPublishing = True
    publicationDb.EnabledMergePublishing = True

Catch ex As Exception
    ' Implement appropriate error handling here.
    Throw New ApplicationException("An error occured when installing distribution and publishing.", ex)

Finally
    conn.Disconnect()

End Try

This example shows how a DistributionPublisher object is used to disable publishing at the Distributor.

         // Set the Distributor and publication database names.
            // Publisher and Distributor are on the same server instance.
            string publisherName = publisherInstance;
            string distributorName = publisherInstance;
            string distributionDbName = "distribution";
            string publicationDbName = "AdventureWorks";

            // Create connections to the Publisher and Distributor
            // using Windows Authentication.
            ServerConnection publisherConn = new ServerConnection(publisherName);
            ServerConnection distributorConn = new ServerConnection(distributorName);

            // Create the objects we need.
            ReplicationServer distributor =
                new ReplicationServer(distributorConn);
            DistributionPublisher publisher;
            DistributionDatabase distributionDb =
                new DistributionDatabase(distributionDbName, distributorConn);
            ReplicationDatabase publicationDb;
            publicationDb = new ReplicationDatabase(publicationDbName, publisherConn);

            try
            {
                // Connect to the Publisher and Distributor.
                publisherConn.Connect();
                distributorConn.Connect();

                // Disable all publishing on the AdventureWorks2008R2 database.
                if (publicationDb.LoadProperties())
                {
                    if (publicationDb.EnabledMergePublishing)
                    {
                        publicationDb.EnabledMergePublishing = false;
                    }
                    else if (publicationDb.EnabledTransPublishing)
                    {
                        publicationDb.EnabledTransPublishing = false;
                    }
                }
                else
                {
                    throw new ApplicationException(
                        String.Format("The {0} database does not exist.", publicationDbName));
                }

                // We cannot uninstall the Publisher if there are still Subscribers.
                if (distributor.RegisteredSubscribers.Count == 0)
                {
                    // Uninstall the Publisher, if it exists.
                    publisher = new DistributionPublisher(publisherName, distributorConn);
                    if (publisher.LoadProperties())
                    {
                        publisher.Remove(false);
                    }
                    else
                    {
                        // Do something here if the Publisher does not exist.
                        throw new ApplicationException(String.Format(
                            "{0} is not a Publisher for {1}.", publisherName, distributorName));
                    }

                    // Drop the distribution database.
                    if (distributionDb.LoadProperties())
                    {
                        distributionDb.Remove();
                    }
                    else
                    {
                        // Do something here if the distribition DB does not exist.
                        throw new ApplicationException(String.Format(
                            "The distribution database '{0}' does not exist on {1}.",
                            distributionDbName, distributorName));
                    }

                    // Uninstall the Distributor, if it exists.
                    if (distributor.LoadProperties())
                    {
                        // Passing a value of false means that the Publisher 
                        // and distribution databases must already be uninstalled,
                        // and that no local databases be enabled for publishing.
                        distributor.UninstallDistributor(false);
                    }
                    else
                    {
                        //Do something here if the distributor does not exist.
                        throw new ApplicationException(String.Format(
                            "The Distributor '{0}' does not exist.", distributorName));
                    }
                }
                else
                {
                    throw new ApplicationException("You must first delete all subscriptions.");
                }
            }
            catch (Exception ex)
            {
                // Implement appropriate error handling here.
                throw new ApplicationException("The Publisher and Distributor could not be uninstalled", ex);
            }
            finally
            {
                publisherConn.Disconnect();
                distributorConn.Disconnect();
            }

' Set the Distributor and publication database names.
' Publisher and Distributor are on the same server instance.
Dim publisherName As String = publisherInstance
Dim distributorName As String = subscriberInstance
Dim distributionDbName As String = "distribution"
Dim publicationDbName As String = "AdventureWorks2008R2"

' Create connections to the Publisher and Distributor
' using Windows Authentication.
Dim publisherConn As ServerConnection = New ServerConnection(publisherName)
Dim distributorConn As ServerConnection = New ServerConnection(distributorName)

' Create the objects we need.
Dim distributor As ReplicationServer
distributor = New ReplicationServer(distributorConn)
Dim publisher As DistributionPublisher
Dim distributionDb As DistributionDatabase
distributionDb = New DistributionDatabase(distributionDbName, distributorConn)
Dim publicationDb As ReplicationDatabase
publicationDb = New ReplicationDatabase(publicationDbName, publisherConn)

Try
    ' Connect to the Publisher and Distributor.
    publisherConn.Connect()
    distributorConn.Connect()

    ' Disable all publishing on the AdventureWorks database.
    If publicationDb.LoadProperties() Then
        If publicationDb.EnabledMergePublishing Then
            publicationDb.EnabledMergePublishing = False
        ElseIf publicationDb.EnabledTransPublishing Then
            publicationDb.EnabledTransPublishing = False
        End If
    Else
        Throw New ApplicationException( _
            String.Format("The {0} database does not exist.", publicationDbName))
    End If

    ' We cannot uninstall the Publisher if there are still Subscribers.
    If distributor.RegisteredSubscribers.Count = 0 Then
        ' Uninstall the Publisher, if it exists.
        publisher = New DistributionPublisher(publisherName, distributorConn)
        If publisher.LoadProperties() Then
            publisher.Remove(False)
        Else
            ' Do something here if the Publisher does not exist.
            Throw New ApplicationException(String.Format( _
                "{0} is not a Publisher for {1}.", publisherName, distributorName))
        End If

        ' Drop the distribution database.
        If distributionDb.LoadProperties() Then
            distributionDb.Remove()
        Else
            ' Do something here if the distribition DB does not exist.
            Throw New ApplicationException(String.Format( _
             "The distribution database '{0}' does not exist on {1}.", _
             distributionDbName, distributorName))
        End If

        ' Uninstall the Distributor, if it exists.
        If distributor.LoadProperties() Then
            ' Passing a value of false means that the Publisher 
            ' and distribution databases must already be uninstalled,
            ' and that no local databases be enabled for publishing.
            distributor.UninstallDistributor(False)
        Else
            'Do something here if the distributor does not exist.
            Throw New ApplicationException(String.Format( _
                "The Distributor '{0}' does not exist.", distributorName))
        End If
    Else
        Throw New ApplicationException("You must first delete all subscriptions.")
    End If

Catch ex As Exception
    ' Implement appropriate error handling here.
    Throw New ApplicationException("The Publisher and Distributor could not be uninstalled", ex)

Finally
    publisherConn.Disconnect()
    distributorConn.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.