/// <inheritdoc />
public void NotifyMasterModeChanged(Guid taskProcessorId, bool isMaster, MasterModeChangeReason reason)
{
foreach (ITaskProcessorMessageBusSender mb in this)
{
mb.NotifyMasterModeChanged(taskProcessorId, isMaster, reason);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="MasterModeChangeEventArgs"/> class.
/// </summary>
/// <param name="taskProcessorId">The ID of the task processor who has become master or a slave.</param>
/// <param name="isMaster">Whether the task processor has become master, or slave.</param>
/// <param name="reason">The reason for the change.</param>
public MasterModeChangeEventArgs(Guid taskProcessorId, bool isMaster, MasterModeChangeReason reason)
: base(taskProcessorId)
{
MasterModeChangeEventArgs.ValidateArguments(isMaster, reason);
this.isMaster = isMaster;
this.reason = reason;
}
/// <inheritdoc />
public void NotifyMasterModeChanged(Guid taskProcessorId, bool isMaster, MasterModeChangeReason reason)
{
Trace.WriteLine("ENTER: Notifying task processor '{0}' master mode changed to {1} with reason {2} ...".FormatInvariant(taskProcessorId, isMaster, reason));
MasterModeChangeEventArgs.ValidateArguments(isMaster, reason);
this.provider.PublishMessage(RedisTaskProcessorChannels.MasterModeChangedChannel, RedisConverter.ToString(taskProcessorId, isMaster, reason));
Trace.WriteLine("EXIT: Task processor '{0}' master mode changed to {1} with reason {2} notified.".FormatInvariant(taskProcessorId, isMaster, reason));
}
public void NotifyMasterModeChanged(Guid taskProcessorId, bool isMaster, MasterModeChangeReason reason)
{
this.RecordMethodCall(taskProcessorId, isMaster, reason);
MasterModeChangeEventArgs.ValidateArguments(isMaster, reason);
if ((this.MasterModeChanged != null) && this.SubscribedChannels.Contains(MessageBusChannel.MasterModeChanged))
{
this.MasterModeChanged(this, new MasterModeChangeEventArgs(taskProcessorId, isMaster, reason));
}
}
/// <summary>
/// Validates arguments for the constructor.
/// </summary>
/// <param name="isMaster">Whether the task processor has become master, or slave.</param>
/// <param name="reason">The reason for the change.</param>
public static void ValidateArguments(bool isMaster, MasterModeChangeReason reason)
{
switch (reason)
{
case MasterModeChangeReason.None:
throw new ArgumentOutOfRangeException("reason", reason, "Value must not be {0}.".FormatInvariant(reason));
case MasterModeChangeReason.Start:
if (!isMaster)
{
throw new ArgumentOutOfRangeException("reason", reason, "Value must not be {0} when is master is {1}.".FormatInvariant(reason, isMaster));
}
break;
}
}
void ITaskProcessorMessageBusSender.NotifyMasterModeChanged(Guid taskProcessorId, bool isMaster, MasterModeChangeReason reason)
{
/* Do nothing. */
}
