/// <summary>
/// Adds the new directive to every field in this scope and will automatically preappend it to any new fields that are added later.
/// Directives are propagated to parent scopres.
/// </summary>
/// <param name="queryDirective">The query directive.</param>
public void InsertDirective(QueryDirective queryDirective)
{
_directives.Add(queryDirective);
foreach (var part in _parts.OfType <IDirectiveContainerDocumentPart>())
{
part.InsertDirective(queryDirective, _scopeRank);
}
}
/// <summary>
/// Executes the construction step the specified node to ensure it is "correct" in the context of the rule doing the valdiation.
/// </summary>
/// <param name="context">The validation context encapsulating a <see cref="SyntaxNode" /> that needs to be validated.</param>
/// <returns><c>true</c> if the node is valid, <c>false</c> otherwise.</returns>
public override bool Execute(DocumentConstructionContext context)
{
var node = (DirectiveNode)context.ActiveNode;
var directive = context.DocumentContext.Schema.KnownTypes.FindGraphType(node.DirectiveName.ToString()) as IDirectiveGraphType;
if (directive == null)
{
return(false);
}
var location = node.ParentNode?.DirectiveLocation() ?? DirectiveLocation.NONE;
var queryDirective = new QueryDirective(node, directive, location);
context.AddDocumentPart(queryDirective);
return(true);
}