MTreeBookmark(SDictBookmark <Variant, Variant> outer, SList <TreeInfo <K> > info,
bool changed, MTreeBookmark <K>?inner, Bookmark <ValueTuple <long, bool> >?pmk,
int pos, SCList <Variant>?key = null) : base(pos)
{
_outer = outer; _info = info; _changed = changed;
_inner = inner; _pmk = pmk; _filter = key ?? SCList <Variant> .Empty;
}
public override RowBookmark?ResetToTiesStart(MTreeBookmark <Serialisable> mb)
{
if (mb != null)
{
return(new OrderedBookmark(_ors, mb, Position + 1));
}
return(null);
}
public override RowBookmark?ResetToTiesStart(MTreeBookmark <Serialisable> mb)
{
if (mb == null)
{
return(null);
}
var rc = _irs._tr.Get(mb.Value.Item2);
return(new IndexRowBookmark(_irs, new SRow(_irs._tr, rc), mb, Position + 1));
}
public virtual RowBookmark?ResetToTiesStart(MTreeBookmark <Serialisable> mb)
{
return(null);
}
protected IndexRowBookmark(IndexRowSet irs, SRow ob, MTreeBookmark <Serialisable> mbm, int p) : base(irs, ob, p)
{
_irs = irs; _mbm = mbm;
}
OrderedBookmark(OrderedRowSet ors, MTreeBookmark <Serialisable> bmk, int pos)
: base(ors, ors._rows[(int)bmk.Value.Item2], pos)
{
_ors = ors; _bmk = bmk;
}
public MTreeBookmark <K>?PositionAt(SCList <Variant>?k)
{
return(MTreeBookmark <K> .New(this, k));
}
public override Bookmark <ValueTuple <SCList <Variant>, long> >?First()
{
return(MTreeBookmark <K> .New(this));
}
