@Override
 public boolean equals(Object o) {
   if (!(o instanceof StarTreeIndexNode)) {
     return false;
   }
   StarTreeIndexNode n = (StarTreeIndexNode) o;
   return Objects.equal(nodeId, n.getNodeId())
       && Objects.equal(level, n.getLevel())
       && Objects.equal(dimensionName, n.getDimensionName())
       && Objects.equal(dimensionValue, n.getDimensionValue())
       && Objects.equal(childDimensionName, n.getChildDimensionName())
       && Objects.equal(children, n.getChildren())
       && Objects.equal(startDocumentId, n.getStartDocumentId())
       && Objects.equal(documentCount, n.getDocumentCount());
 }
  @Override
  public void indexRow(GenericRow row) {
    // Find matching leaves in StarTree for row
    currentMatchingNodes.clear();
    StarTreeTableRow tableRow = extractValues(row);
    findMatchingLeaves(starTreeBuilder.getTree(), tableRow.getDimensions(), currentMatchingNodes);

    // Only write the raw value, maintaining sort order (we will write aggregates when sealing)
    for (StarTreeIndexNode node : currentMatchingNodes) {
      Map<Integer, Integer> pathValues = node.getPathValues();
      if (!pathValues.containsValue(StarTreeIndexNode.all())) {
        StarTreeTableRange range = starTreeBuilder.getDocumentIdRange(node.getNodeId());
        StarTreeTable subTable =
            starTreeBuilder.getTable().view(range.getStartDocumentId(), range.getDocumentCount());

        Integer nextMatchingDocumentId =
            starTreeBuilder.getNextDocumentId(tableRow.getDimensions());
        if (nextMatchingDocumentId == null) {
          throw new IllegalStateException("Could not assign document ID for row " + tableRow);
        }

        // Write using that document ID to all columns
        for (final String column : dictionaryCreatorMap.keySet()) {
          Object columnValueToIndex = row.getValue(column);
          if (schema.getFieldSpecFor(column).isSingleValueField()) {
            System.out.println(column + ": " + columnValueToIndex);
            int dictionaryIndex = dictionaryCreatorMap.get(column).indexOfSV(columnValueToIndex);
            ((SingleValueForwardIndexCreator) forwardIndexCreatorMap.get(column))
                .index(nextMatchingDocumentId, dictionaryIndex);
            if (config.createInvertedIndexEnabled()) {
              invertedIndexCreatorMap
                  .get(column)
                  .add(nextMatchingDocumentId, (Object) dictionaryIndex);
            }
          } else {
            int[] dictionaryIndex = dictionaryCreatorMap.get(column).indexOfMV(columnValueToIndex);
            ((MultiValueForwardIndexCreator) forwardIndexCreatorMap.get(column))
                .index(nextMatchingDocumentId, dictionaryIndex);
            if (config.createInvertedIndexEnabled()) {
              invertedIndexCreatorMap.get(column).add(nextMatchingDocumentId, dictionaryIndex);
            }
          }
        }
      }
    }
  }