Beispiel #1
0
        private void addCleanColIntoCols(CT_Cols cols, CT_Col newCol, TreeSet <CT_Col> trackedCols)
        {
            List <CT_Col> overlapping = getOverlappingCols(newCol, trackedCols);

            if (overlapping.Count == 0)
            {
                trackedCols.Add(CloneCol(cols, newCol));
                return;
            }

            trackedCols.RemoveAll(overlapping);
            foreach (CT_Col existing in overlapping)
            {
                // We add up to three columns for each existing one: non-overlap
                // before, overlap, non-overlap after.
                long[] overlap = getOverlap(newCol, existing);

                CT_Col overlapCol = cloneCol(cols, existing, overlap);
                SetColumnAttributes(newCol, overlapCol);
                trackedCols.Add(overlapCol);

                CT_Col beforeCol = existing.min < newCol.min ? existing
                        : newCol;
                long[] before = new long[] {
                    Math.Min(existing.min, newCol.min),
                    overlap[0] - 1
                };
                if (before[0] <= before[1])
                {
                    trackedCols.Add(cloneCol(cols, beforeCol, before));
                }

                CT_Col afterCol = existing.max > newCol.max ? existing
                        : newCol;
                long[] after = new long[] { overlap[1] + 1,
                                            Math.Max(existing.max, newCol.max) };
                if (after[0] <= after[1])
                {
                    trackedCols.Add(cloneCol(cols, afterCol, after));
                }
            }
        }