private void ProcessRecord(IDataRecord record, IDbOperation dbOperation)
{
long id = record.GetInt64(0);
ScaleoutMessage message = OraclePayload.FromBytes(record);
_traceSource.TraceVerbose("OracleReceiver last payload ID={0}, new payload ID={1}", _lastPayloadId, id);
if (id > _lastPayloadId + 1)
{
_traceSource.TraceError("Missed message(s) from Oracle. Expected payload ID {0} but got {1}.", _lastPayloadId + 1, id);
}
else if (id <= _lastPayloadId)
{
_traceSource.TraceInformation("Duplicate message(s) or payload ID reset from Oracle. Last payload ID {0}, this payload ID {1}", _lastPayloadId, id);
}
_lastPayloadId = id;
dbOperation.Parameters[0].Value = _lastPayloadId;
_traceSource.TraceVerbose("Updated receive reader initial payload ID parameter={0}", _observableDbOperation.Parameters[0].Value);
_traceSource.TraceVerbose("Payload {0} containing {1} message(s) received", id, message.Messages.Count);
if (Received != null)
{
Received((ulong)id, message);
}
}
public Task Send(IList <Message> messages)
{
if (messages == null || messages.Count == 0)
{
return(MakeEmptyTask());
}
IDataParameter parameter = _dbProviderFactory.CreateParameter();
parameter.ParameterName = "iPayload";
parameter.Value = OraclePayload.ToBytes(messages);
OracleParameter oracleParameter = parameter as OracleParameter;
if (oracleParameter != null)
{
oracleParameter.OracleDbType = OracleDbType.Blob;
}
var operation = _dbOperationFactory.CreateDbOperation(_connectionString, _insertSql, _traceSource, _dbProviderFactory, parameter);
return(operation.ExecuteNonQueryAsync());
}