public void setFieldValue(_Fields field, @org.apache.thrift.annotation.Nullable java.lang.Object value) {
    switch (field) {
    case FULL_TABLE_NAMES:
      if (value == null) {
        unsetFullTableNames();
      } else {
        setFullTableNames((java.util.List<java.lang.String>)value);
      }
      break;

    case VALID_TXN_LIST:
      if (value == null) {
        unsetValidTxnList();
      } else {
        setValidTxnList((java.lang.String)value);
      }
      break;

    case WRITE_ID:
      if (value == null) {
        unsetWriteId();
      } else {
        setWriteId((java.lang.Long)value);
      }
      break;

    }
  }
Returns true if field writeId is set (has been assigned a value) and false otherwise
standalone-metastore/metastore-common/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/metastore/api/GetValidWriteIdsRequest.java