refactor: abstract

Author: proost

kll/items_sketch.go

@@ -593,11 +593,7 @@ func (s *ItemsSketch[C]) currentSerializedSizeBytes() (int, error) {
 		}
 		totalBytes = _DATA_START_ADR_SINGLE_ITEM + v
 	} else if tgtStructure == _COMPACT_FULL {
-		retainedSize := 0
-		for i := s.levels[0]; i < s.levels[s.numLevels]; i++ {
-			retainedSize += s.serde.SizeOf(s.items[i])
-		}
-		totalBytes = _DATA_START_ADR + s.getLevelsArrSizeBytes(tgtStructure) + s.getMinMaxSizeBytes() + retainedSize
+		totalBytes = _DATA_START_ADR + s.getLevelsArrSizeBytes(tgtStructure) + s.getMinMaxSizeBytes() + s.getRetainedItemsSizeBytes()
 	} else { //structure = UPDATABLE
 		return 0, fmt.Errorf("updatable serialization not implemented")
 	}
@@ -672,6 +668,14 @@ func (s *ItemsSketch[C]) getRetainedItemsByteArr() []byte {
 	return s.serde.SerializeManyToSlice(retArr)
 }
 
+func (s *ItemsSketch[C]) getRetainedItemsSizeBytes() int {
+	retainedSize := 0
+	for i := s.levels[0]; i < s.levels[s.numLevels]; i++ {
+		retainedSize += s.serde.SizeOf(s.items[i])
+	}
+	return retainedSize
+}
+
 func (s *ItemsSketch[C]) setupSortedView() error {
 	if s.sortedView == nil {
 		sView, err := newItemsSketchSortedView[C](s)