private void initFields() {
      cmdType_ = com.taobao.metamorphosis.server.transaction.store.TransactionCommands.TxCommandType.APPEND_MSG;
      cmdContent_ = com.google.protobuf.ByteString.EMPTY;
      force_ = false;
    }
<code>optional bool force = 3 [default = false];</code>
metamorphosis-server/src/main/java/com/taobao/metamorphosis/server/transaction/store/TransactionCommands.java