How to use

getB_tree_index

method

in

org.apache.carbondata.format.BlockletIndex

public Object getFieldValue(_Fields field) {
 switch (field) {
 case MIN_MAX_INDEX:
  return getMin_max_index();
 case B_TREE_INDEX:
  return getB_tree_index();
 }
 throw new IllegalStateException();
}

/**
 * Below method will be used to convert the blocklet index of thrift to
 * wrapper
 *
 * @param blockletIndexThrift
 * @return blocklet index wrapper
 */
protected BlockletIndex getBlockletIndex(
  org.apache.carbondata.format.BlockletIndex blockletIndexThrift) {
 org.apache.carbondata.format.BlockletBTreeIndex btreeIndex =
   blockletIndexThrift.getB_tree_index();
 org.apache.carbondata.format.BlockletMinMaxIndex minMaxIndex =
   blockletIndexThrift.getMin_max_index();
 List<Boolean> isMinMaxSet = null;
 // Below logic is added to handle backward compatibility
 if (minMaxIndex.isSetMin_max_presence()) {
  isMinMaxSet = minMaxIndex.getMin_max_presence();
 } else {
  Boolean[] minMaxFlag = new Boolean[minMaxIndex.getMax_values().size()];
  Arrays.fill(minMaxFlag, true);
  isMinMaxSet = Arrays.asList(minMaxFlag);
 }
 return new BlockletIndex(
   new BlockletBTreeIndex(btreeIndex.getStart_key(), btreeIndex.getEnd_key()),
   new BlockletMinMaxIndex(minMaxIndex.getMin_values(), minMaxIndex.getMax_values(),
     isMinMaxSet));
}