protected override void AddChild(SchemaMemberBase child)
{
if (!(child is SchemaMember schema))
{
throw new ArgumentException();
}
if (_children == null)
{
System.Threading.Interlocked.CompareExchange(ref _children, new NamedCollection <SchemaMember>(item => item.Name), null);
}
_children.Add(schema);
schema._parent = this;
}
public IDataProvider GetProvider(string name)
{
if (string.IsNullOrEmpty(name))
{
throw new ArgumentNullException(nameof(name));
}
if (_providers.TryGet(name, out var provider))
{
return(provider);
}
lock (_providers)
{
if (_providers.TryGet(name, out provider))
{
return(provider);
}
_providers.Add(provider = this.CreateProvider(name));
}
return(provider);
}