/// <summary>
/// This method should be called by all derived message handlers that write the message to a repository
/// to set the message sequence (if not already set). It should not be called by message handlers that
/// only call other message handlers.
/// </summary>
protected void SetMessageSequence(EventMessage message)
{
if (message.Sequence == 0)
{
int sequence = Interlocked.Increment(ref _currentSequence);
message.SetSequence(sequence);
}
}
/// <summary>
/// Sets the sequence number on a message to the specified value. This method should be called by
/// derived readers that store the sequence number separately from the message itself (ie. do not
/// serialize the EventMessage object to binary or XML.
/// </summary>
protected void SetMessageSequence(EventMessage message, int sequence)
{
Debug.Assert(message.Sequence == 0, "Setting the Sequence value on a message to "
+ sequence + ", but it's already set to " + message.Sequence);
message.SetSequence(sequence);
}
