internal static Gateway Gateway(ContextStack context)
{
var gateway = context.Gateway;
if (gateway is null)
{
throw new InvalidOperationException("Network Gateway Node has not been configured. Please check that 'Gateway' is set in the Client context.");
}
return(gateway);
}
public IEnumerable <T> GetAll <T>(string name)
{
for (ContextStack <TContext>?ctx = this; ctx != null; ctx = ctx._parent)
{
if (ctx._map.TryGetValue(name, out object?asObject) && asObject is T t)
{
yield return(t);
}
}
}
internal static Account Payer(ContextStack context)
{
var payer = context.Payer;
if (payer is null)
{
throw new InvalidOperationException("The Payer account has not been configured. Please check that 'Payer' is set in the Client context.");
}
return(payer);
}
// Value is forced to be set, but shouldn't be used
// if method returns false, ignore nullable warnings
private bool TryGet <T>(string name, out T value)
{
for (ContextStack <TContext> ctx = this; ctx != null; ctx = ctx._parent)
{
if (ctx._map.TryGetValue(name, out object asObject))
{
if (asObject is T t)
{
value = t;
}
else
{
value = default;
}
return(true);
}
}
value = default;
return(false);
}
public ContextStack(ContextStack <TContext>?parent)
{
_parent = parent;
_map = new Dictionary <string, object?>();
if (parent == null)
{
// Root Context, holds the channels and is
// only accessible via other contexts
// so the ref count starts at 0
_refCount = 0;
_channels = new ConcurrentDictionary <string, Channel>();
}
else
{
// Not the root context, will be held
// by a client or call context. Ref count
// starts at 1 for convenience
_refCount = 1;
_channels = parent._channels;
parent.addRef();
}
}
