/// <summary>
/// Delete an instrument and all locally stored data.
/// </summary>
public static void RemoveInstrument(Instrument instrument, IDataStorage localStorage)
{
using (var entityContext = new MyDBContext())
{
//hacking around the circular reference issue
if (instrument.IsContinuousFuture)
{
entityContext.Instruments.Attach(instrument);
var tmpCF = instrument.ContinuousFuture;
instrument.ContinuousFuture = null;
instrument.ContinuousFutureID = null;
entityContext.SaveChanges();
entityContext.ContinuousFutures.Attach(tmpCF);
entityContext.ContinuousFutures.Remove(tmpCF);
entityContext.SaveChanges();
}
entityContext.Instruments.Attach(instrument);
entityContext.Instruments.Remove(instrument);
entityContext.SaveChanges();
}
localStorage.Connect();
localStorage.DeleteAllInstrumentData(instrument);
}
/// <summary>
/// Delete an instrument and all locally stored data.
/// </summary>
public async Task RemoveInstrument(Instrument instrument, IDataStorage localStorage)
{
Context.Instruments.Attach(instrument);
Context.Instruments.Remove(instrument);
await Context.DbContext.SaveChangesAsync().ConfigureAwait(false);
localStorage.Connect();
localStorage.DeleteAllInstrumentData(instrument);
}
/// <summary>
/// Loops through data sources and tries to connect to those that are disconnected
/// </summary>
private void TryConnect()
{
if (!_dataStorage.Connected)
{
_dataStorage.Connect();
}
foreach (KeyValuePair <string, IHistoricalDataSource> s in DataSources)
{
if (!s.Value.Connected)
{
Log(LogLevel.Info, string.Format("Historical Data Broker: Trying to connect to data source {0}", s.Key));
s.Value.Connect();
}
}
}
/// <summary>
/// Loops through data sources and tries to connect to those that are disconnected
/// </summary>
private void TryConnect()
{
if (!dataStorage.Connected)
{
lock (localStorageLock)
{
dataStorage.Connect();
}
}
foreach (KeyValuePair <string, IHistoricalDataSource> s in DataSources)
{
if (!s.Value.Connected)
{
Log(LogLevel.Info, $"Historical Data Broker: Trying to connect to data source {s.Key}");
s.Value.Connect();
}
}
}
/// <summary>
/// Delete an instrument and all locally stored data.
/// </summary>
public async Task RemoveInstrument(Instrument instrument, IDataStorage localStorage)
{
//hacking around the circular reference issue
if (instrument.IsContinuousFuture)
{
Context.Instruments.Attach(instrument);
var tmpCF = instrument.ContinuousFuture;
instrument.ContinuousFuture = null;
instrument.ContinuousFutureID = null;
await Context.SaveChangesAsync().ConfigureAwait(false);
Context.ContinuousFutures.Attach(tmpCF);
Context.ContinuousFutures.Remove(tmpCF);
await Context.SaveChangesAsync().ConfigureAwait(false);
}
Context.Instruments.Attach(instrument);
Context.Instruments.Remove(instrument);
await Context.SaveChangesAsync().ConfigureAwait(false);
localStorage.Connect();
localStorage.DeleteAllInstrumentData(instrument);
}
/// <summary>
/// Delete an instrument and all locally stored data.
/// </summary>
public static void RemoveInstrument(Instrument instrument, IDataStorage localStorage)
{
using (var entityContext = new MyDBContext())
{
//hacking around the circular reference issue
if (instrument.IsContinuousFuture)
{
entityContext.Instruments.Attach(instrument);
var tmpCF = instrument.ContinuousFuture;
instrument.ContinuousFuture = null;
instrument.ContinuousFutureID = null;
entityContext.SaveChanges();
entityContext.ContinuousFutures.Attach(tmpCF);
entityContext.ContinuousFutures.Remove(tmpCF);
entityContext.SaveChanges();
}
entityContext.Instruments.Attach(instrument);
entityContext.Instruments.Remove(instrument);
entityContext.SaveChanges();
}
localStorage.Connect();
localStorage.DeleteAllInstrumentData(instrument);
}
