/// <summary>
/// Register an intent handler with this <see cref="IntentRouter"/>.
/// </summary>
/// <param name="intentName">Name of the intent as defined in the LUIS application.</param>
/// <param name="confidenceThreshold">Confidence score required to accitvate the handler.</param>
/// <param name="handler">Function to call when routing the intent to this handler.</param>
public void RegisterHandler(string intentName, double confidenceThreshold, IntentHandlerFunc handler)
{
if (string.IsNullOrWhiteSpace(intentName))
{
throw new ArgumentException(nameof(intentName));
}
if ((confidenceThreshold < 0) || (confidenceThreshold > 1))
{
throw new ArgumentOutOfRangeException(nameof(confidenceThreshold));
}
if (handler == null)
{
throw new ArgumentNullException(nameof(handler));
}
if (_handlers.ContainsKey(intentName))
{
throw new InvalidOperationException($"Router already has a handler for intent '{intentName}'");
}
_handlers[intentName] = new HandlerDetails()
{
Threshold = confidenceThreshold,
Exec = handler
};
}
public static void RegisterHandler(Type intentType, IntentHandlerFunc intentHandler, double threshold)
{
var intentAttribute = intentType.GetCustomAttribute <IntentAttribute>();
var intentName = intentAttribute.Name;
IList <Handler> handlersList;
if (!handlersContainer.TryGetValue(intentName, out handlersList))
{
handlersContainer[intentName] = new List <Handler>()
{
new Handler(threshold, intentHandler)
};
}
else
{
handlersList.Add(new Handler(threshold, intentHandler));
}
}
public Handler(double threshold, IntentHandlerFunc exec)
{
Threshold = threshold;
Exec = exec;
}
