/// <summary>
///
/// </summary>
ConversionEntry CreateEntry(string symbol1, string symbol2, double?value)
{
ConversionEntry entry = new ConversionEntry(symbol1, symbol2);
if (value.HasValue)
{
entry.Update(value.Value);
}
lock (this)
{
if (_entries.ContainsKey(symbol1) == false)
{
_entries.Add(symbol1, new Dictionary <string, ConversionEntry>());
}
if (_entries[symbol1].ContainsKey(symbol2))
{
SystemMonitor.Warning("Entry already exists.");
return(_entries[symbol1][symbol2]);
}
_entries[symbol1].Add(symbol2, entry);
}
return(entry);
}
/// <summary>
///
/// </summary>
void _currencyService_ConversionRateCompleted(object sender, ConversionRateCompletedEventArgs e)
{
Currency[] state = (Currency[])e.UserState;
double value = e.Result;
if (value == 0)
{
SystemMonitor.Warning("Value 0 not accepted from service.");
return;
}
ConversionEntry entry = null;
lock (this)
{
if (_entries.ContainsKey(state[0].ToString()) &&
_entries[state[0].ToString()].ContainsKey(state[1].ToString()))
{
entry = _entries[state[0].ToString()][state[1].ToString()];
entry.Update(value);
}
}
if (EntryUpdateEvent != null && entry != null)
{
EntryUpdateEvent(this, entry);
}
}
public static T ConvertNMSType <T, S>(S value)
{
ConversionKey key = ConversionKey.GetKey(typeof(T), value.GetType());
ConversionEntry <T, S> converter = (ConversionEntry <T, S>)NMSTypeConversionTable[key];
if (converter == null)
{
throw new NMSTypeConversionException("Cannot convert between type : " + (typeof(T)).Name + ", and type: " + value.GetType().Name);
}
return(converter.ConvertInstance(value));
}
/// <summary>
///
/// </summary>
public void UpdateValue(string symbol1, string symbol2, double value)
{
if (string.IsNullOrEmpty(symbol1) || string.IsNullOrEmpty(symbol2))
{
SystemMonitor.Warning("Invalid symbol name.");
return;
}
if (value == 0)
{
SystemMonitor.Warning("Value 0 not accepted.");
return;
}
symbol1 = symbol1.ToUpper();
symbol2 = symbol2.ToUpper();
if (symbol1 == symbol2)
{
return;
}
ConversionEntry entry = null;
double updateValue = value;
lock (this)
{
if (_entries.ContainsKey(symbol1) && _entries[symbol1].ContainsKey(symbol2))
{// Straight.
entry = _entries[symbol1][symbol2];
updateValue = value;
}
else if (_entries.ContainsKey(symbol2) && _entries[symbol2].ContainsKey(symbol1))
{// Reverse.
entry = _entries[symbol2][symbol1];
updateValue = 1 / value;
}
}
if (entry != null)
{
entry.Update(updateValue);
}
else
{
entry = CreateEntry(symbol1, symbol2, value);
}
if (EntryUpdateEvent != null)
{
EntryUpdateEvent(this, entry);
}
}
/// <summary>
///
/// </summary>
void BeginServiceEntryUpdate(ConversionEntry entry)
{
Currency currency1, currency2;
lock (this)
{
if (_serviceCurrencies.ContainsKey(entry.Symbol1) == false ||
_serviceCurrencies.ContainsKey(entry.Symbol2) == false)
{
SystemMonitor.Warning("Symbol not supported.");
return;
}
entry.UpdateEvent.Reset();
currency1 = _serviceCurrencies[entry.Symbol1];
currency2 = _serviceCurrencies[entry.Symbol2];
// Begin operation.
_currencyService.ConversionRateAsync(currency1, currency2, new Currency[] { currency1, currency2 });
}
}
/// <summary>
///
/// </summary>
ConversionEntry CreateEntry(string symbol1, string symbol2, double? value)
{
ConversionEntry entry = new ConversionEntry(symbol1, symbol2);
if (value.HasValue)
{
entry.Update(value.Value);
}
lock (this)
{
if (_entries.ContainsKey(symbol1) == false)
{
_entries.Add(symbol1, new Dictionary<string,ConversionEntry>());
}
if (_entries[symbol1].ContainsKey(symbol2))
{
SystemMonitor.Warning("Entry already exists.");
return _entries[symbol1][symbol2];
}
_entries[symbol1].Add(symbol2, entry);
}
return entry;
}
/// <summary>
///
/// </summary>
void BeginServiceEntryUpdate(ConversionEntry entry)
{
Currency currency1, currency2;
lock(this)
{
if (_serviceCurrencies.ContainsKey(entry.Symbol1) == false ||
_serviceCurrencies.ContainsKey(entry.Symbol2) == false)
{
SystemMonitor.Warning("Symbol not supported.");
return;
}
entry.UpdateEvent.Reset();
currency1 = _serviceCurrencies[entry.Symbol1];
currency2 = _serviceCurrencies[entry.Symbol2];
// Begin operation.
_currencyService.ConversionRateAsync(currency1, currency2, new Currency[] { currency1, currency2 });
}
}
