protected override async Task <SetStreamMetadataResult> SetStreamMetadataInternal(
string streamId,
int expectedStreamMetadataVersion,
int?maxAge,
int?maxCount,
string metadataJson,
CancellationToken cancellationToken)
{
using (_lock.UseWriteLock())
{
string metaStreamId = $"$${streamId}";
var metadataMessage = new MetadataMessage
{
StreamId = streamId,
MaxAge = maxAge,
MaxCount = maxCount,
MetaJson = metadataJson
};
var json = SimpleJson.SerializeObject(metadataMessage);
var messageId = MetadataMessageIdGenerator.Create(metaStreamId, expectedStreamMetadataVersion, json);
var newStreamMessage = new NewStreamMessage(messageId, "$stream-metadata", json);
var result = AppendToStreamInternal(metaStreamId, expectedStreamMetadataVersion, new[] { newStreamMessage });
await CheckStreamMaxCount(streamId, metadataMessage.MaxCount, cancellationToken);
return(new SetStreamMetadataResult(result.CurrentVersion));
}
}
protected override async Task <SetStreamMetadataResult> SetStreamMetadataInternal(
string streamId,
int expectedStreamMetadataVersion,
int?maxAge,
int?maxCount,
string metadataJson,
CancellationToken cancellationToken)
{
MsSqlAppendResult result;
using (var connection = _createConnection())
{
var streamIdInfo = new StreamIdInfo(streamId);
await connection.OpenAsync(cancellationToken).NotOnCapturedContext();
using (var transaction = connection.BeginTransaction())
{
var metadataMessage = new MetadataMessage
{
StreamId = streamId,
MaxAge = maxAge,
MaxCount = maxCount,
MetaJson = metadataJson
};
var json = SimpleJson.SerializeObject(metadataMessage);
var messageId = MetadataMessageIdGenerator.Create(
streamId,
expectedStreamMetadataVersion,
json);
var newmessage = new NewStreamMessage(messageId, "$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.AddWithValue("streamId", 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));
}
public static MySqlParameter MetadataMessageMessageId(
MySqlStreamId metadataMySqlStreamId,
int expectedStreamMetadataVersion,
string metadataMessageJsonData) => MessageIdInternal(
MetadataMessageIdGenerator.Create(
metadataMySqlStreamId.IdOriginal,
expectedStreamMetadataVersion,
metadataMessageJsonData),
"_metadata_message_message_id");
protected override async Task <SetStreamMetadataResult> SetStreamMetadataInternal(
string streamId,
int expectedStreamMetadataVersion,
int?maxAge,
int?maxCount,
string metadataJson,
CancellationToken cancellationToken)
{
MsSqlAppendResult result;
using (var connection = _createConnection())
{
await connection.OpenAsync(cancellationToken).NotOnCapturedContext();
using (var transaction = connection.BeginTransaction())
{
var streamIdInfo = new StreamIdInfo(streamId);
var metadataMessage = new MetadataMessage
{
StreamId = streamId,
MaxAge = maxAge,
MaxCount = maxCount,
MetaJson = metadataJson
};
var json = SimpleJson.SerializeObject(metadataMessage);
var messageId = MetadataMessageIdGenerator.Create(
streamIdInfo.MetadataSqlStreamId.IdOriginal,
expectedStreamMetadataVersion,
json);
var message = new NewStreamMessage(messageId, "$stream-metadata", json);
result = await AppendToStreamInternal(
connection,
transaction,
streamIdInfo.MetadataSqlStreamId,
expectedStreamMetadataVersion,
new[] { message },
cancellationToken);
transaction.Commit();
}
}
await CheckStreamMaxCount(streamId, maxCount, cancellationToken);
return(new SetStreamMetadataResult(result.CurrentVersion));
}
public static NpgsqlParameter MetadataStreamMessage(
PostgresqlStreamId streamId,
int expectedVersion,
MetadataMessage value)
{
var jsonData = SimpleJson.SerializeObject(value);
return(new NpgsqlParameter <PostgresNewStreamMessage>
{
TypedValue = PostgresNewStreamMessage.FromNewStreamMessage(
new NewStreamMessage(
MetadataMessageIdGenerator.Create(streamId.IdOriginal, expectedVersion, jsonData),
"$stream-metadata",
jsonData))
});
}
protected override async Task <SetStreamMetadataResult> SetStreamMetadataInternal(
string streamId,
int expectedVersion,
int?maxAge,
int?maxCount,
string metadataJson,
CancellationToken cancellationToken)
{
GuardAgainstDisposed();
cancellationToken.ThrowIfCancellationRequested();
var metadataMessage = new MetadataMessage
{
StreamId = streamId,
MaxAge = maxAge,
MaxCount = maxCount,
MetaJson = metadataJson
};
var json = SimpleJson.SerializeObject(metadataMessage);
var messageId = MetadataMessageIdGenerator.Create(
streamId,
expectedVersion,
json
);
var message = new NewStreamMessage(messageId, "$stream-metadata", json);
var idinfo = new StreamIdInfo(streamId);
var result = await AppendToStreamInternal(
idinfo.MetadataSqlStreamId.IdOriginal,
expectedVersion,
new[] { message },
cancellationToken).NotOnCapturedContext();
CheckStreamMaxCount(streamId, maxCount, cancellationToken).Wait(cancellationToken);
return(new SetStreamMetadataResult(result.CurrentVersion));
}
