public IEnumerable <PipeOutputPackage> PipePackageInstalled(PipeOutputPackage package)
{
if (package.InputType.IsEnumerable() || package.OutputType.IsEnumerable())
{
yield break;
}
MethodInfo castingMethodInfo = GenericCastingMethodInfo.MakeGenericMethod(package.OutputType);
Type inputType = typeof(IEnumerable <>).MakeGenericType(package.InputType);
Type outputType = typeof(IEnumerable <>).MakeGenericType(package.OutputType);
PipeCallback processCallbackFunc = (rawInputStream, broker) =>
{
var inputEnumerable = (IEnumerable)rawInputStream;
var pipe =
from input in inputEnumerable.Cast <object>()
select package.ProcessInput(input, broker);
return(Task.Factory.ContinueWhenAll(pipe.ToArray(), tasks => tasks.Select(t => t.Result))
.ContinueWith(resultTask =>
{
object results = resultTask.Result;
return castingMethodInfo.Invoke(results, new[] { results });
}));
};
yield return(PipeOutputPackage.Infer(package, inputType, outputType, processCallbackFunc));
}
private PipeOutputPackage ExposeConversion(Type elementType, Type baseType, PipeOutputPackage package)
{
Type inputType = typeof(IEnumerable <>).MakeGenericType(elementType);
Type outputType = typeof(IEnumerable <>).MakeGenericType(baseType);
return(PipeOutputPackage.Infer(package, inputType, outputType, (input, broker) => input.IntoTaskResult()));
}
private PipeOutputPackage ConvertToDataType(Type inputType, PipeOutputPackage basedOffPackage)
{
PipeCallback processCallbackFunc = (input, broker) =>
{
Array array = Array.CreateInstance(inputType, 1);
array.SetValue(input, 0);
return(((object)array).IntoTaskResult());
};
Type outputType = typeof(IEnumerable <>).MakeGenericType(inputType);
return(PipeOutputPackage.Infer(basedOffPackage, inputType, outputType, processCallbackFunc));
}
private static PipeOutputPackage CreateReturnPackage(PipeOutputPackage package, Type outputType)
{
return(PipeOutputPackage.Infer(package, package.InputType, outputType, package.ProcessInput));
}