protected override async Task <SetStreamMetadataResult> SetStreamMetadataInternal(
string streamId,
int expectedStreamMetadataVersion,
int?maxAge,
int?maxCount,
string metadataJson,
CancellationToken cancellationToken)
{
MsSqlAppendResult result;
using (var connection = _createConnection())
{
var streamIdInfo = new StreamIdInfo(streamId);
await connection.OpenAsync(cancellationToken).NotOnCapturedContext();
using (var transaction = connection.BeginTransaction())
{
var metadataMessage = new MetadataMessage
{
StreamId = streamId,
MaxAge = maxAge,
MaxCount = maxCount,
MetaJson = metadataJson
};
var json = SimpleJson.SerializeObject(metadataMessage);
var messageId = MetadataMessageIdGenerator.Create(
streamId,
expectedStreamMetadataVersion,
json);
var newmessage = new NewStreamMessage(messageId, "$stream-metadata", json);
result = await AppendToStreamInternal(
connection,
transaction,
streamIdInfo.MetadataSqlStreamId,
expectedStreamMetadataVersion,
new[] { newmessage },
cancellationToken);
using (var command = new SqlCommand(_scripts.SetStreamMetadata, connection, transaction))
{
command.Parameters.Add(new SqlParameter("streamId", SqlDbType.Char, 42)
{
Value = streamIdInfo.SqlStreamId.Id
});
command.Parameters.AddWithValue("streamIdOriginal", streamIdInfo.SqlStreamId.IdOriginal);
command.Parameters.Add("maxAge", SqlDbType.Int);
command.Parameters["maxAge"].Value = maxAge ?? -1;
command.Parameters.Add("maxCount", SqlDbType.Int);
command.Parameters["maxCount"].Value = maxCount ?? -1;
await command.ExecuteNonQueryAsync(cancellationToken);
}
transaction.Commit();
}
}
await CheckStreamMaxCount(streamId, maxCount, cancellationToken);
return(new SetStreamMetadataResult(result.CurrentVersion));
}
private void LogCommands(NewStreamMessage message)
{
_log.Debug(message.JsonData);
}