private InstanceProducer TryBuildInstanceProducerForStream(Type serviceType)
{
if (!Types.IsGenericCollectionType(serviceType))
{
return(null);
}
// We don't auto-register collections for ambiguous types.
if (Types.IsAmbiguousOrValueType(serviceType.GetGenericArguments()[0]))
{
return(null);
}
lock (this.emptyAndRedirectedCollectionRegistrationCache)
{
InstanceProducer producer;
// We need to cache these generated producers, to prevent getting duplicate producers; which
// will cause (incorrect) diagnostic warnings.
if (!this.emptyAndRedirectedCollectionRegistrationCache.TryGetValue(serviceType, out producer))
{
// This call might lock the container
producer = this.TryBuildStreamInstanceProducer(serviceType);
this.emptyAndRedirectedCollectionRegistrationCache[serviceType] = producer;
}
return(producer);
}
}
private InstanceProducer BuildInstanceProducerForMutableCollectionType(
Type serviceType, Type elementType, MutableCollectionType type)
{
// We don't auto-register collections for ambiguous types.
if (Types.IsAmbiguousOrValueType(elementType))
{
return(null);
}
// GetAllInstances locks the container
if (this.GetAllInstances(elementType) is IContainerControlledCollection)
{
return(this.BuildMutableCollectionProducerFromControlledCollection(serviceType, elementType, type));
}
else
{
return(this.BuildMutableCollectionProducerFromUncontrolledCollection(serviceType, elementType));
}
}