rollback

package optimistic

import (
	"errors"
	"sync"
)

class OrderCreationService
  Result = Struct.new(:success?, :order, :error, keyword_init: true)

  def initialize(customer:, line_params:)
    @customer = customer
    @line_params = line_params

export interface Todo {
  id: string;
  title: string;
  done: boolean;
  pending: boolean;
}

import { Injectable, Scope } from '@nestjs/common';
import { DataSource, EntityManager, QueryRunner } from 'typeorm';

@Injectable({ scope: Scope.REQUEST })
export class TransactionContext {
  private queryRunner?: QueryRunner;

export interface Todo {
  id: string;
  title: string;
  done: boolean;
}

import logging
from typing import Awaitable, Callable, List, Tuple

log = logging.getLogger("saga")

Compensation = Callable[[], Awaitable[None]]

export interface Post {
  id: string;
  body: string;
  liked: boolean;
  likeCount: number;
}

@Configuration
public class TxConfig {

    @Bean
    public PlatformTransactionManager transactionManager(DataSource dataSource) {
        DataSourceTransactionManager tm = new DataSourceTransactionManager(dataSource);

export interface Todo {
  id: string;
  title: string;
  completed: boolean;
}