public void setFieldValue(_Fields field, @org.apache.thrift.annotation.Nullable java.lang.Object value) {
    switch (field) {
    case ROW:
      if (value == null) {
        unsetRow();
      } else {
        if (value instanceof byte[]) {
          setRow((byte[])value);
        } else {
          setRow((java.nio.ByteBuffer)value);
        }
      }
      break;

    case COLUMNS:
      if (value == null) {
        unsetColumns();
      } else {
        setColumns((java.util.Map<java.nio.ByteBuffer,TCell>)value);
      }
      break;

    case SORTED_COLUMNS:
      if (value == null) {
        unsetSortedColumns();
      } else {
        setSortedColumns((java.util.List<TColumn>)value);
      }
      break;

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