Portfolio


@Repository
@Scope(value = ConfigurableBeanFactory.SCOPE_SINGLETON)
public class MemoryVoucherRepository implements VoucherRepository, InitializingBean, DisposableBean {
    private final Map<UUID, Voucher> storage = new ConcurrentHashMap<>();
    @Override
    public Optional<Voucher> findById(UUID voucherId) {
        return Optional.ofNullable(storage.get(voucherId));
    }

    @Override
    public Voucher insert(Voucher voucher) {
        storage.put(voucher.getVoucherId(), voucher);
        return voucher;
    }

    @PostConstruct
    public void postConstruct(){
        System.out.println("postConstruct Called!");
    }

    @Override
    public void afterPropertiesSet() throws Exception {
        System.out.println("afterPropertiesSet called!");
    }

    @Override
    public void destroy() throws Exception {
        System.out.println("destroy called!");
    }

    @PreDestroy
    public void preDistroy(){
        System.out.println("preDestroy called!");
    }
}


@Configuration
public class AppConfiguration{
	@Bean(initMethod = "init")
	public BeanOne beanOne(){
		return new BeanOne();
	}
}


class BeanOne{
	public void init(){
	}
}

Bean Scope & Bean Lifecycle Callback

Bean Scope

Bean Lifecycle Callback

Bean life cycle event 제어하는 방법

Bean 생성 생명주기 콜백

Bean 소멸 생성주기 콜백