public static DurableFunctionInfo Create(MapField <string, BindingInfo> bindings)
{
var clientBinding =
bindings.FirstOrDefault(
binding => !string.IsNullOrEmpty(binding.Key) &&
binding.Value.Direction == BindingInfo.Types.Direction.In &&
DurableBindings.IsDurableClient(binding.Value.Type));
var durableFunctionType = GetDurableFunctionType(bindings);
return(new DurableFunctionInfo(durableFunctionType, clientBinding.Key));
}
private static DurableFunctionType GetDurableFunctionType(MapField <string, BindingInfo> bindings)
{
var inputBindings = bindings.Where(binding => binding.Value.Direction == BindingInfo.Types.Direction.In);
foreach (var(_, value) in inputBindings)
{
if (DurableBindings.IsOrchestrationTrigger(value.Type))
{
return(DurableFunctionType.OrchestrationFunction);
}
if (DurableBindings.IsActivityTrigger(value.Type))
{
return(DurableFunctionType.ActivityFunction);
}
}
return(DurableFunctionType.None);
}
private static void ValidateActivityFunction(string functionName, IEnumerable <AzFunctionInfo> loadedFunctions)
{
var functionInfo = loadedFunctions.FirstOrDefault(fi => fi.FuncName == functionName);
if (functionInfo == null)
{
var message = string.Format(PowerShellWorkerStrings.FunctionNotFound, functionName);
throw new InvalidOperationException(message);
}
var activityTriggerBinding = functionInfo.InputBindings.FirstOrDefault(
entry => DurableBindings.IsActivityTrigger(entry.Value.Type) &&
entry.Value.Direction == BindingInfo.Types.Direction.In);
if (activityTriggerBinding.Key == null)
{
var message = string.Format(PowerShellWorkerStrings.FunctionDoesNotHaveProperActivityFunctionBinding, functionName);
throw new InvalidOperationException(message);
}
}