/// <summary>
/// Create new <see cref="SubjectBuilder"/>.
/// </summary>
public SubjectBuilder(GraphBuilder forG, Node <UriOrBlank> id)
{
_owner = forG;
_id = id;
_ctx = forG;
}
private static Node <UriOrBlank> GraphId(this GraphBuilder self) =>
((IQuadBuilderContext)self).GraphNode ??
throw new Exception($"Expected Graph id for {nameof(GraphBuilder)}.");
private static IRdfData Rdf(this GraphBuilder self) => ((IQuadBuilderContext)self).Rdf;
/// <summary>New blank labeled node subject.</summary>
public static SubjectBuilder ForBlank(this GraphBuilder self, ReadOnlySpan <char> label, out BlankNode node)
{
node = self.Rdf().Blank(self.GraphId(), label);
return(self.For(node));
}
/// <summary>New blank labeled node subject.</summary>
public static SubjectBuilder ForBlank(this GraphBuilder self, string label, out BlankNode node)
{
node = self.Rdf().Blank(self.GraphId(), label);
return(self.For(node));
}
/// <summary>Select URI subject.</summary>
public static SubjectBuilder For(this GraphBuilder self, Uri uriSubject, out UriNode node)
{
node = self.Rdf().Uri(uriSubject.ToString());
return(self.For(node));
}