public async Task ProcessStreamItem(StreamMarket market)
{
StreamMarket currentMarket = null;
bool found = _markets.TryGetValue(market.Id, out currentMarket);
switch (market.Operation)
{
case StreamOperation.Insert:
case StreamOperation.Update:
if (!found || currentMarket.Compare(market) != 0)
{
if (_persistenceLayer != null)
{
await _persistenceLayer.ProcessStreamItem(market);
}
}
_markets[market.Id] = market;
break;
case StreamOperation.Delete:
if (found)
{
if (_persistenceLayer != null)
{
await _persistenceLayer.ProcessStreamItem(market);
}
_markets.TryRemove(market.Id, out currentMarket);
}
break;
default:
break;
}
}
private async Task InsertMarket(StreamMarket market)
{
var CallSPCmd = new SqlCommand();
await DoSqlCmd(CallSPCmd, () =>
{
var Id = int.Parse(market.Id.Split(':')[1]);
CallSPCmd.CommandText = "exec InsertMarket @Id, @Name, @Timestamp";
CallSPCmd.Parameters.Add("@Id", SqlDbType.Int).Value = Id;
CallSPCmd.Parameters.Add("@Name", SqlDbType.NVarChar).Value = market.Name;
CallSPCmd.Parameters.Add("@Timestamp", SqlDbType.DateTime).Value = market.Date;
});
}
public virtual Task MarketUpdated(StreamMarket streamItem)
{
return(Task.CompletedTask);
}
public override Task MarketUpdated(StreamMarket streamItem)
{
return(_dataLayer.ProcessStreamItem(streamItem));
}
