public async Task ProcessStreamItem(StreamInstrument instrument)
{
StreamInstrument currentInstrument = null;
bool found = _instruments.TryGetValue(instrument.Id, out currentInstrument);
switch (instrument.Operation)
{
case StreamOperation.Insert:
case StreamOperation.Update:
if (!found || currentInstrument.Compare(instrument) != 0)
{
if (_persistenceLayer != null)
{
await _persistenceLayer.ProcessStreamItem(instrument);
}
}
_instruments[instrument.Id] = instrument;
break;
case StreamOperation.Delete:
if (found)
{
if (_persistenceLayer != null)
{
await _persistenceLayer.ProcessStreamItem(instrument);
}
_instruments.TryRemove(instrument.Id, out currentInstrument);
}
break;
default:
break;
}
}
private async Task InsertInstrument(StreamInstrument instrument)
{
var CallSPCmd = new SqlCommand();
await DoSqlCmd(CallSPCmd, () =>
{
var InstrumentIdTmp = instrument.Id.Split(':')[1];
var InstrumentIdSplit = InstrumentIdTmp.Split('-');
var MarketId = int.Parse(InstrumentIdSplit[0]);
var SubmarketId = int.Parse(InstrumentIdSplit[1]);
var Id = int.Parse(InstrumentIdSplit[2]);
CallSPCmd.CommandText = "exec InsertInstrument @Id, @SubmarketId, @Name, @Timestamp";
CallSPCmd.Parameters.Add("@Id", SqlDbType.Int).Value = (MarketId * 10 + SubmarketId) * 1000000 + Id;
CallSPCmd.Parameters.Add("@SubmarketId", SqlDbType.Int).Value = SubmarketId;
CallSPCmd.Parameters.Add("@Name", SqlDbType.NVarChar).Value = instrument.Name;
CallSPCmd.Parameters.Add("@Timestamp", SqlDbType.DateTime).Value = instrument.Date;
});
}
public virtual Task InstrumentUpdated(StreamInstrument streamItem)
{
return(Task.CompletedTask);
}
public override Task InstrumentUpdated(StreamInstrument streamItem)
{
return(_dataLayer.ProcessStreamItem(streamItem));
}