/// <summary>
///
/// </summary>
/// <param name="coverage"></param>
/// <param name="s"></param>
/// <param name="p"></param>
/// <param name="o"></param>
/// <param name="c"></param>
/// <returns></returns>
public static Tuple <IndexCoverage, TripleMask> SelectIndex(this IndexCoverage coverage, INode s, INode p,
INode o, INode c)
{
var requested = TripleMask.None;
if (s != null)
{
requested |= TripleMask.Subject;
}
if (p != null)
{
requested |= TripleMask.Predicate;
}
if (o != null)
{
requested |= TripleMask.Object;
}
if (c != null)
{
requested |= TripleMask.Context;
}
return(coverage.SelectIndex(requested));
}
/// <summary> /// /// </summary> /// <param name="coverage"></param> /// <param name="triple"></param> /// <returns></returns> public static Tuple <IndexCoverage, TripleMask> SelectIndex(this IndexCoverage coverage, Edge triple) => coverage.SelectIndex(triple.Subject, triple.Predicate, triple.Object, triple.Context);