/// <summary>
/// Tries to load.
/// Returns false iff the default loader(s) could not be bound to a compatible loadable class.
/// </summary>
private bool TryLoadModelCore <TRes, TSig>(IHostEnvironment env, out TRes result, params object[] extra)
where TRes : class
{
_ectx.AssertValue(env, "env");
_ectx.Assert(Reader.BaseStream.Position == FpMin + Header.FpModel);
var args = ConcatArgsRev(extra, this);
object tmp;
string sig = ModelHeader.GetLoaderSig(ref Header);
if (!string.IsNullOrWhiteSpace(sig) &&
ComponentCatalog.TryCreateInstance <object, TSig>(env, out tmp, sig, "", args))
{
result = tmp as TRes;
if (result != null)
{
Done();
return(true);
}
// REVIEW: Should this fall through?
}
_ectx.Assert(Reader.BaseStream.Position == FpMin + Header.FpModel);
string sigAlt = ModelHeader.GetLoaderSigAlt(ref Header);
if (!string.IsNullOrWhiteSpace(sigAlt) &&
ComponentCatalog.TryCreateInstance <object, TSig>(env, out tmp, sigAlt, "", args))
{
result = tmp as TRes;
if (result != null)
{
Done();
return(true);
}
// REVIEW: Should this fall through?
}
ComponentCatalog.TryCreateInstance <object, TSig>(env, out tmp, "NopTransform", "", args);
result = tmp as TRes;
Console.WriteLine("We convert the unsupported transform ({0}) to NoOp ;)", sig);
return(true);
/*
* _ectx.Assert(Reader.BaseStream.Position == FpMin + Header.FpModel);
*
* Reader.BaseStream.Position = FpMin;
* result = null;
* return false;
*/
}
/// <summary>
/// Tries to load.
/// Returns false iff the default loader(s) could not be bound to a compatible loadable class.
/// </summary>
private bool TryLoadModelCore <TRes, TSig>(IHostEnvironment env, out TRes result, params object[] extra)
where TRes : class
{
_ectx.AssertValue(env, "env");
_ectx.Assert(Reader.BaseStream.Position == FpMin + Header.FpModel);
var args = ConcatArgsRev(extra, this);
EnsureLoaderAssemblyIsRegistered(env.ComponentCatalog);
object tmp;
string sig = ModelHeader.GetLoaderSig(ref Header);
if (!string.IsNullOrWhiteSpace(sig) &&
ComponentCatalog.TryCreateInstance <object, TSig>(env, out tmp, sig, "", args))
{
result = tmp as TRes;
if (result != null)
{
Done();
return(true);
}
// REVIEW: Should this fall through?
}
_ectx.Assert(Reader.BaseStream.Position == FpMin + Header.FpModel);
string sigAlt = ModelHeader.GetLoaderSigAlt(ref Header);
if (!string.IsNullOrWhiteSpace(sigAlt) &&
ComponentCatalog.TryCreateInstance <object, TSig>(env, out tmp, sigAlt, "", args))
{
result = tmp as TRes;
if (result != null)
{
Done();
return(true);
}
// REVIEW: Should this fall through?
}
_ectx.Assert(Reader.BaseStream.Position == FpMin + Header.FpModel);
Reader.BaseStream.Position = FpMin;
result = null;
return(false);
}