public void setFieldValue(_Fields field, @org.apache.thrift.annotation.Nullable java.lang.Object value) {
      switch (field) {
      case SCANNER_ID:
        if (value == null) {
          unsetScannerId();
        } else {
          setScannerId((java.lang.Integer)value);
        }
        break;

      case NUM_ROWS:
        if (value == null) {
          unsetNumRows();
        } else {
          setNumRows((java.lang.Integer)value);
        }
        break;

      }
    }
Returns true if field numRows is set (has been assigned a value) and false otherwise
hbase-thrift/src/main/java/org/apache/hadoop/hbase/thrift2/generated/THBaseService.java