public Task Append(Message message, MessageJournalCategory category,
CancellationToken cancellationToken = new CancellationToken())
{
return(_categories.Contains(category)
? _inner.Append(message, category, cancellationToken)
: Task.FromResult(0));
}
/// <summary>
/// Initializes a new <see cref="MessageJournalEntry"/>
/// </summary>
/// <param name="category">The category of journaled message (e.g. sent, received, published)</param>
/// <param name="position">The position of the message in the journal</param>
/// <param name="timestamp">The timestamp associated with the journal entry</param>
/// <param name="data">The message</param>
public MessageJournalEntry(MessageJournalCategory category, MessageJournalPosition position, DateTime timestamp, Message data)
{
Category = category;
Position = position ?? throw new ArgumentNullException(nameof(position));
Timestamp = timestamp;
Data = data ?? throw new ArgumentNullException(nameof(data));
}
/// <summary>
/// Determines the timestamp for the journaled message based on the journal category and
/// correlating dates in the message headers.
/// </summary>
/// <param name="message">The message</param>
/// <param name="category">The journal category</param>
/// <returns>Returns the timestamp for the journaled message based on the journal category and
/// correlating dates in the message headers.</returns>
/// <remarks>
/// Falls back to the current UTC date/time if the expected headers are not set
/// </remarks>
public static DateTime GetJournalTimestamp(this Message message, MessageJournalCategory category)
{
var headers = message.Headers;
var timestamp = DateTime.UtcNow;
if (Equals(category, MessageJournalCategory.Sent) && headers.Sent != default(DateTime))
{
timestamp = headers.Sent;
}
else if (Equals(category, MessageJournalCategory.Received) && headers.Received != default(DateTime))
{
timestamp = headers.Received;
}
else if (Equals(category, MessageJournalCategory.Published) && headers.Published != default(DateTime))
{
timestamp = headers.Published;
}
return(timestamp);
}
/// <inheritdoc />
public Task Append(Message message, MessageJournalCategory category,
CancellationToken cancellationToken = new CancellationToken())
{
return(_inner.Append(message.WithSanitizedHeaders(), category, cancellationToken));
}