internal Task DeleteDeadletterAsync(RedisDeadletter <T> deadletter)
{
var deadletterQueueName = RedisQueueConventions.GetDeadLetterQueueName(_queueName);
var hash = RedisQueueConventions.GetMessageHashKey(_queueName, deadletter.Message.Id);
return(Task.WhenAll(_db.KeyDeleteAsync(hash), _db.ListRemoveAsync(deadletterQueueName, _serializer.Serialize(deadletter.Message), -1)));
}
internal async IAsyncEnumerable <RedisDeadletter <T> > PeekDeadlettersAsync(int limit)
{
if (limit >= 1)
{
limit--; //0 is the first element of the list, thus 0 will return 1
}
var values = await _db.ListRangeAsync(RedisQueueConventions.GetDeadLetterQueueName(_queueName), 0, limit).ConfigureAwait(false);
foreach (byte[] value in values)
{
var deadletter = new RedisDeadletter <T> {
Message = _serializer.Deserialize <RedisListItem <T> >(value.AsSpan())
};
var hash = RedisQueueConventions.GetMessageHashKey(_queueName, deadletter.Message.Id);
var hashes = await _db.HashGetAllAsync(hash).ConfigureAwait(false);
deadletter.HashEntries = hashes.ToStringDictionary();
yield return(deadletter);
}
}
public Task DeleteDeadletterAsync <T>(RedisDeadletter <T> deadletter) where T : class, IRedisMessage
{
var queueClient = new RedisQueueClient <T>(_db);
return(queueClient.DeleteDeadletterAsync(deadletter));
}