간단한 spring 실습

controller

package com.zerobase.Account.controller;

import com.zerobase.Account.domain.Account;
import com.zerobase.Account.service.AccountService;
import lombok.RequiredArgsConstructor;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;

@RestController
@RequiredArgsConstructor
public class AccountController {
    private final AccountService accountService;

    @GetMapping("/create-account")
    public String createAccount() {
        accountService.createAccount();
        return "ok";
    }

    @GetMapping("/account/{accountId}")
    public Account findAccount(@PathVariable Long accountId) {
        Account account = accountService.getAccount(accountId);
        return account;
    }

}

domain

package com.zerobase.Account.domain;

import lombok.*;

import javax.persistence.*;

@Getter
@Setter
@NoArgsConstructor
@AllArgsConstructor
@Builder
@Entity
public class Account {
    @Id
    @GeneratedValue
    private Long id;

    private String accountNumber;

    @Enumerated(EnumType.STRING)
    private AccountStatus accountStatus;
}

package com.zerobase.Account.domain;

public enum AccountStatus {

    IN_USE,
    UNREGISTERED
}

repository

package com.zerobase.Account.repository;

import com.zerobase.Account.domain.Account;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;

@Repository
public interface AccountRepository extends JpaRepository<Account, Long> {
}

service

package com.zerobase.Account.service;

import com.zerobase.Account.domain.Account;
import com.zerobase.Account.domain.AccountStatus;
import com.zerobase.Account.repository.AccountRepository;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;

import javax.transaction.Transactional;

@Service
@RequiredArgsConstructor
public class AccountService {
    private final AccountRepository accountRepository;

    @Transactional
    public void createAccount() {
        Account account = Account.builder()
                .accountNumber("40000")
                .accountStatus(AccountStatus.IN_USE)
                .build();
        accountRepository.save(account);
    }

    @Transactional
    public Account getAccount(Long id) {
        return accountRepository.findById(id).get();
    }
}