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added ExchangeAPI.GetExchangeAPIFromClassName() #518

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merged 2 commits into from
Feb 5, 2020
Merged

added ExchangeAPI.GetExchangeAPIFromClassName() #518

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1e21d19
Implement GetExchangeAPIFromClassName
nh43de Feb 4, 2020
a3a5f53
Merge remote-tracking branch 'upstream/master'
nh43de Feb 4, 2020
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25 changes: 18 additions & 7 deletions src/ExchangeSharp/API/Exchanges/_Base/ExchangeAPI.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,8 @@ public abstract partial class ExchangeAPI : BaseAPI, IExchangeAPI
private static readonly Dictionary<string, IExchangeAPI?> apis = new Dictionary<string, IExchangeAPI?>(StringComparer.OrdinalIgnoreCase);
private bool disposed;

private static readonly Dictionary<string, string> classNamesToApiName = new Dictionary<string, string>();

#endregion Private methods

#region API Implementation
Expand Down Expand Up @@ -230,7 +232,8 @@ static ExchangeAPI()
{
api.Dispose();
apis[api.Name] = null;
}
classNamesToApiName[type.Name] = api.Name;
}

// in case derived class is accessed first, check for existance of key
if (!ExchangeGlobalCurrencyReplacements.ContainsKey(type))
Expand Down Expand Up @@ -291,12 +294,20 @@ public void Dispose()
}
}

/// <summary>
/// Get an exchange API given an exchange name (see ExchangeName class)
/// </summary>
/// <param name="exchangeName">Exchange name</param>
/// <returns>Exchange API or null if not found</returns>
public static IExchangeAPI? GetExchangeAPI(string exchangeName)
public static IExchangeAPI? GetExchangeAPIFromClassName(string className)
{
if (!classNamesToApiName.TryGetValue(className, out string exchangeName))
throw new ArgumentException("No API available with class name " + className);

return GetExchangeAPI(exchangeName);
}

/// <summary>
/// Get an exchange API given an exchange name (see ExchangeName class)
/// </summary>
/// <param name="exchangeName">Exchange name</param>
/// <returns>Exchange API or null if not found</returns>
public static IExchangeAPI? GetExchangeAPI(string exchangeName)
{
// note: this method will be slightly slow (milliseconds) the first time it is called and misses the cache
// subsequent calls with cache hits will be nanoseconds
Expand Down