public IFoo GetOrCreate(IResolverContext ctx, FactoryDelegate fooFactory, string address)
{
// fancy ensuring that we have a single new Scope created and stored
var scopeEntry = _scopes.GetEntryOrDefault(address);
if (scopeEntry == null)
{
Ref.Swap(ref _scopes, address, (x, a) => x.AddOrKeep(a));
scopeEntry = _scopes.GetEntryOrDefault(address);
}
lock (scopeEntry)
if (scopeEntry.Value == null || scopeEntry.Value.IsDisposed)
{
scopeEntry.Value = ctx.OpenScope(address);
}
return(((Func <string, IFoo>)fooFactory(scopeEntry.Value)).Invoke(address));
}
