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ReplicationAgentSchedule Class

Definition

Represents the schedule for a replication agent job.

public ref class ReplicationAgentSchedule sealed
public sealed class ReplicationAgentSchedule
type ReplicationAgentSchedule = class
Public NotInheritable Class ReplicationAgentSchedule
Inheritance
ReplicationAgentSchedule

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

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.

Constructors

ReplicationAgentSchedule()

Creates a new instance of the ReplicationAgentSchedule class.

Properties

ActiveEndDate

Gets or sets the date the scheduled activity is to stop running.

ActiveEndTime

Gets or sets the time the scheduled activity is to stop running.

ActiveStartDate

Gets or sets the date of the first occurrence of the scheduled activity.

ActiveStartTime

Gets or sets the time of the first occurrence of the scheduled activity.

FrequencyInterval

Gets or sets the interval between occurrences of a scheduled activity.

FrequencyRecurrenceFactor

Gets or sets the frequency recurrence factor.

FrequencyRelativeInterval

Gets or sets a time of occurrence that is relative to the first day of the month.

FrequencySubDay

Gets or sets the frequency in minutes for scheduled activities that occur several times a day.

FrequencySubDayInterval

Gets or sets the interval between scheduled activities that occur several times in one day.

FrequencyType

Gets or sets the frequency for a scheduled activity.

Methods

Update()

Updates an existing schedule on the server.

Applies to

See also