private static void ValidateDynamic(MetadataNode node)
{
if (node.Metadata.Composition?.AddDynamic == null)
{
throw BindingException.FromProperty(node.Identity.Name, $"Dynamic add method not found.");
}
}
public static void Validate(AggregateNode aggregateNode)
{
if (aggregateNode.Item == null)
{
return;
}
foreach (MetadataNode node in aggregateNode.Item.Tree().Skip(1))
{
if (!node.Metadata.HasFlag(BindingMetadataFlags.Writable))
{
throw BindingException.FromProperty(node.Identity.Name, $"Property is read-only.");
}
if (node.ListIndex == null)
{
ValidateConstructor(node);
}
if (node.ListIndex == null && node.HasFlag(NodeFlags.Dynamic))
{
ValidateDynamic(node);
}
}
}
private static void ValidateConstructor(MetadataNode node)
{
NewExpression constructor = node.Metadata.Composition?.Construct;
if (constructor == null)
{
throw BindingException.FromProperty(node.Identity.Name, $"No default constructor defined.");
}
else if (!node.Metadata.Type.IsAssignableFrom(constructor.Type))
{
throw BindingException.FromProperty(node.Identity.Name, $"No conversion exists between constructor type '{constructor.Type.GetSanitizedName()}' and property type '{node.Metadata.Type.GetSanitizedName()}'.");
}
}
public static void Validate(MetadataNode itemNode)
{
foreach (MetadataNode node in itemNode.Tree())
{
if (!node.Metadata.HasFlag(BindingMetadataFlags.Item) && !node.Metadata.HasFlag(BindingMetadataFlags.Writable))
{
throw BindingException.FromProperty(node.Identity.Name, $"Property is read-only.");
}
if (node.Column == null)
{
ValidateConstructor(node);
}
if (node.Column == null && node.HasFlag(NodeFlags.Dynamic))
{
ValidateDynamic(node);
}
}
}
