ReplicationAgentSchedule Class

Represents the schedule for a replication agent job.

Inheritance Hierarchy

System.Object
  Microsoft.SqlServer.Replication.ReplicationAgentSchedule

Namespace:  Microsoft.SqlServer.Replication
Assembly:  Microsoft.SqlServer.Rmo (in Microsoft.SqlServer.Rmo.dll)

Syntax

'Declaration
Public NotInheritable Class ReplicationAgentSchedule
'Usage
Dim instance As ReplicationAgentSchedule
public sealed class ReplicationAgentSchedule
public ref class ReplicationAgentSchedule sealed
[<SealedAttribute>]
type ReplicationAgentSchedule =  class end
public final class ReplicationAgentSchedule

The ReplicationAgentSchedule type exposes the following members.

Constructors

  Name Description
Public method ReplicationAgentSchedule Creates a new instance of the ReplicationAgentSchedule class.

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Properties

  Name Description
Public property ActiveEndDate Gets or sets the date the scheduled activity is to stop running.
Public property ActiveEndTime Gets or sets the time the scheduled activity is to stop running.
Public property ActiveStartDate Gets or sets the date of the first occurrence of the scheduled activity.
Public property ActiveStartTime Gets or sets the time of the first occurrence of the scheduled activity.
Public property FrequencyInterval Gets or sets the interval between occurrences of a scheduled activity.
Public property FrequencyRecurrenceFactor Gets or sets the frequency recurrence factor.
Public property FrequencyRelativeInterval Gets or sets a time of occurrence that is relative to the first day of the month.
Public property FrequencySubDay Gets or sets the frequency in minutes for scheduled activities that occur several times a day.
Public property FrequencySubDayInterval Gets or sets the interval between scheduled activities that occur several times in one day.
Public property FrequencyType Gets or sets the frequency for a scheduled activity.

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Methods

  Name Description
Public method Equals (Inherited from Object.)
Public method GetHashCode (Inherited from Object.)
Public method GetType (Inherited from Object.)
Public method ToString (Inherited from Object.)
Public method Update Updates an existing schedule on the server.

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Remarks

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.

Examples

          // Define the server, database, and publication names
            string publisherName = publisherInstance;
            string publicationName = "AdvWorksSalesOrdersMerge";
            string publicationDbName = "AdventureWorks2012";
            string distributorName = publisherInstance;

            MergePublication publication;
            MergePartition partition;
            MergeDynamicSnapshotJob snapshotAgentJob;
            ReplicationAgentSchedule schedule;
            
            // Create a connection to the Publisher.
            ServerConnection publisherConn = new ServerConnection(publisherName);

            // Create a connection to the Distributor to start the Snapshot Agent.
            ServerConnection distributorConn = new ServerConnection(distributorName);

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

                // Set the required properties for the publication.
                publication = new MergePublication();
                publication.ConnectionContext = publisherConn;
                publication.Name = publicationName;
                publication.DatabaseName = publicationDbName;


                // If we can't get the properties for this merge publication, 
                // then throw an application exception.
                if (publication.LoadProperties() || publication.SnapshotAvailable)
                {
                    // Set a weekly schedule for the filtered data snapshot.
                    schedule = new ReplicationAgentSchedule();
                    schedule.FrequencyType = ScheduleFrequencyType.Weekly;
                    schedule.FrequencyRecurrenceFactor = 1;
                    schedule.FrequencyInterval = Convert.ToInt32(0x001);

                    // Set the value of Hostname that defines the data partition. 
                    partition = new MergePartition();
                    partition.DynamicFilterHostName = hostname;
                    snapshotAgentJob = new MergeDynamicSnapshotJob();
                    snapshotAgentJob.DynamicFilterHostName = hostname;

                    // Create the partition for the publication with the defined schedule.
                    publication.AddMergePartition(partition);
                    publication.AddMergeDynamicSnapshotJob(snapshotAgentJob, schedule);
                }
                else
                {
                    throw new ApplicationException(String.Format(
                        "Settings could not be retrieved for the publication, " +
                        " or the initial snapshot has not been generated. " +
                        "Ensure that the publication {0} exists on {1} and " +
                        "that the Snapshot Agent has run successfully.",
                        publicationName, publisherName));
                }
            }
            catch (Exception ex)
            {
                // Do error handling here.
                throw new ApplicationException(string.Format(
                    "The partition for '{0}' in the {1} publication could not be created.",
                    hostname, publicationName), ex);
            }
            finally
            {
                publisherConn.Disconnect();
                if (distributorConn.IsOpen) distributorConn.Disconnect();
            }
' Define the server, database, and publication names
Dim publisherName As String = publisherInstance
Dim publicationName As String = "AdvWorksSalesOrdersMerge"
Dim publicationDbName As String = "AdventureWorks2012"
Dim distributorName As String = publisherInstance

Dim publication As MergePublication
Dim partition As MergePartition
Dim snapshotAgentJob As MergeDynamicSnapshotJob
Dim schedule As ReplicationAgentSchedule

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

' Create a connection to the Distributor to start the Snapshot Agent.
Dim distributorConn As ServerConnection = New ServerConnection(distributorName)

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

    ' Set the required properties for the publication.
    publication = New MergePublication()
    publication.ConnectionContext = publisherConn
    publication.Name = publicationName
    publication.DatabaseName = publicationDbName


    ' If we can't get the properties for this merge publication, 
    ' then throw an application exception.
    If (publication.LoadProperties() Or publication.SnapshotAvailable) Then
        ' Set a weekly schedule for the filtered data snapshot.
        schedule = New ReplicationAgentSchedule()
        schedule.FrequencyType = ScheduleFrequencyType.Weekly
        schedule.FrequencyRecurrenceFactor = 1
        schedule.FrequencyInterval = Convert.ToInt32("0x001", 16)

        ' Set the value of Hostname that defines the data partition. 
        partition = New MergePartition()
        partition.DynamicFilterHostName = hostname
        snapshotAgentJob = New MergeDynamicSnapshotJob()
        snapshotAgentJob.DynamicFilterHostName = hostname

        ' Create the partition for the publication with the defined schedule.
        publication.AddMergePartition(partition)
        publication.AddMergeDynamicSnapshotJob(snapshotAgentJob, schedule)
    Else
        Throw New ApplicationException(String.Format( _
         "Settings could not be retrieved for the publication, " + _
         " or the initial snapshot has not been generated. " + _
         "Ensure that the publication {0} exists on {1} and " + _
         "that the Snapshot Agent has run successfully.", _
         publicationName, publisherName))
    End If
Catch ex As Exception
    ' Do error handling here.
    Throw New ApplicationException(String.Format( _
     "The partition for '{0}' in the {1} publication could not be created.", _
     hostname, publicationName), ex)
Finally
    publisherConn.Disconnect()
    If distributorConn.IsOpen Then
        distributorConn.Disconnect()
    End If
End Try

Thread Safety

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

See Also

Reference

Microsoft.SqlServer.Replication Namespace

Other Resources

NIB Specify Synchronization Schedules (RMO Programming)