Method split

guava/src/com/google/common/collect/TreeRangeMap.java:261–278

(Cut<K> cut)

  }

  private void split(Cut<K> cut) {
    /*
     * The comments for this method will use | to indicate the cut point and ( ) to indicate the
     * bounds of ranges in the range map.
     */
    Entry<Cut<K>, RangeMapEntry<K, V>> mapEntryToSplit = entriesByLowerBound.lowerEntry(cut);
    if (mapEntryToSplit == null) {
      return;
    }
    // we know ( |
    RangeMapEntry<K, V> rangeMapEntry = mapEntryToSplit.getValue();
    if (rangeMapEntry.getUpperBound().compareTo(cut) <= 0) {
      return;
    }
    // we know ( | )
    putRangeMapEntry(rangeMapEntry.getLowerBound(), cut, rangeMapEntry.getValue());
    putRangeMapEntry(cut, rangeMapEntry.getUpperBound(), rangeMapEntry.getValue());
  }

  /**
   * @since 28.1