public static MessageDto askTransactionState(String groupId, String unitId) {
        MessageDto messageDto = new MessageDto();
        messageDto.setGroupId(groupId);
        messageDto.setAction(MessageConstants.ACTION_ASK_TRANSACTION_STATE);
        messageDto.setData(new AskTransactionStateParams(groupId, unitId));
        return messageDto;
    }
public static MessageDto askTransactionState(String groupId, String unitId) {
        MessageDto messageDto = new MessageDto();
        messageDto.setGroupId(groupId);
        messageDto.setAction(MessageConstants.ACTION_ASK_TRANSACTION_STATE);
        messageDto.setData(new AskTransactionStateParams(groupId, unitId));
        return messageDto;
    }
public static MessageDto askTransactionState ( String groupId , String unitId ) { MessageDto messageDto = new MessageDto ( ) ; messageDto . setGroupId ( groupId ) ; messageDto . setAction ( MessageConstants . ACTION_ASK_TRANSACTION_STATE ) ; messageDto . setData ( new AskTransactionStateParams ( groupId , unitId ) ) ; return messageDto ; }
询问事务状态指令

@param groupId groupId
@param unitId  unitId
@return MessageDto
询问事务状态指令