@Override
  public Category getCategory() {
    return Category.LIST;
  }
The ParquetHiveArrayInspector will inspect an ArrayWritable, considering it as an Hive array.<br>
It can also inspect a List if Hive decides to inspect the result of an inspection.
ql/src/java/org/apache/hadoop/hive/ql/io/parquet/serde/ParquetHiveArrayInspector.java