@Override
  public int hashCode() {
    int hashCode = 1;

    hashCode = hashCode * 8191 + ((isSetOperatorId()) ? 131071 : 524287);
    if (isSetOperatorId())
      hashCode = hashCode * 8191 + operatorId.hashCode();

    hashCode = hashCode * 8191 + ((isSetOperatorType()) ? 131071 : 524287);
    if (isSetOperatorType())
      hashCode = hashCode * 8191 + operatorType.getValue();

    hashCode = hashCode * 8191 + ((isSetOperatorAttributes()) ? 131071 : 524287);
    if (isSetOperatorAttributes())
      hashCode = hashCode * 8191 + operatorAttributes.hashCode();

    hashCode = hashCode * 8191 + ((isSetOperatorCounters()) ? 131071 : 524287);
    if (isSetOperatorCounters())
      hashCode = hashCode * 8191 + operatorCounters.hashCode();

    hashCode = hashCode * 8191 + ((done) ? 131071 : 524287);

    hashCode = hashCode * 8191 + ((started) ? 131071 : 524287);

    return hashCode;
  }
Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise
ql/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/ql/plan/api/Operator.java