private IExportProviderFactory GetOrCreateFactory()
{
var key = new CacheKey(Assemblies, Parts, ExcludedPartTypes);
lock (s_factoryCache)
{
if (s_factoryCache.TryGetValue(key, out var existing))
{
return(existing);
}
}
var newFactory = ExportProviderCache.CreateExportProviderFactory(GetCatalog(), IsRemote);
lock (s_factoryCache)
{
if (s_factoryCache.TryGetValue(key, out var existing))
{
return(existing);
}
s_factoryCache.Add(key, newFactory);
}
return(newFactory);
}