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  • [WIL] 2023.04.17~.04.23
    TIL, WIL 2023. 4. 23. 21:36

    ๐Ÿ’ฌ ์ด๋ฒˆ์ฃผ ์•Œ๊ฒŒ ๋œ ์  

     

    Bean : ์Šคํ”„๋ง์ด ๊ด€๋ฆฌํ•˜๋Š” ๊ฐ์ฒด

    IoC ์ปจํ…Œ์ด๋„ˆ : ์Šคํ”„๋ง์ด ๊ด€๋ฆฌํ•˜๋Š” ๊ฐ์ฒด๋ฅผ ๋‹ด์•„๋‘” ํ†ต, ๊ณต๊ฐ„

    AppConfig : ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜ ์ „์ฒด๋ฅผ ์„ค์ •ํ•˜๊ณ  ๊ตฌ์„ฑํ•œ๋‹ค.

    DIP : ์ถ”์ƒํ™”์—๋งŒ ์˜์กดํ•ด์•ผ ํ•จ!

    DIP , OCP

     

    Annotation

    @Getter 

    @Setter

    @ToString

    @RequiredArgsConstructor => final์ด ๋ถ™์€๊ฑธ ์ƒ์„ฑ์ž๋ฅผ ๊ฐ€์ง€๊ณ  ๋งŒ๋“ค์–ด์คŒ

    ๋กฌ๋ณต ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๊ฐ€ ์ œ๊ณตํ•˜๋Š” @RequiredArgsConstructor ๊ธฐ๋Šฅ์„ ์‚ฌ์šฉํ•˜๋ฉด final์ด ๋ถ™์€ ํ•„๋“œ๋ฅผ ๋ชจ์•„์„œ ์ƒ์„ฑ์ž๋ฅผ ์ž๋™์œผ๋กœ ๋งŒ๋“ค์–ด์ค€๋‹ค.

    (์ฝ”๋“œ์—๋Š” ๋ณด์ด์ง€ ์•Š์ง€๋งŒ ์‹ค์ œ ํ˜ธ์ถœ ๊ฐ€๋Šฅํ•˜๋‹ค)

    @Component
    public class OrderServiceImpl implements OrderService{
    	
        private final MemberRepository memberRepository;
        private final DiscountPolicy discountPolicy;
        
        public OrderServiceImpl(MemberRepository memberRepository, DiscountPolicy discountPolicy){
        	this.memberRepository = memberRepository;
            this.discountPolicy = discountPolicy;
            }
        }
        
        // @RequiredArgsConstructor ์ ์šฉ
        
        @Component
        @RequiredArgsConstructor
        public class OrderServiceImpl implements OrderService{
        	
            private final MemberRepoisitory memberRepository;
            private final DiscountPolicy discountPolicy;
            }
       }

     

    ๐Ÿ’ฌ ๋‹ค์Œ์ฃผ ๋ชฉํ‘œ ์„ธ์šฐ๊ธฐ

    • ํ•ญํ•ด99 4์ฃผ์ฐจ ๊ฐ•์˜ ๋“ฃ๊ณ  ๊ณผ์ œ ์™„์„ฑํ•˜๊ธฐ
    • ์ธํ”„๋Ÿฐ JPA ๋กœ๋“œ๋งต ์™„๊ฐ•ํ•˜๊ธฐ (Querydsl ์ „๊นŒ์ง€)
    • ์•Œ๊ณ ๋ฆฌ์ฆ˜ 1์ผ 1๋ฌธ์ œ

     

    ๐Ÿ’ฌ ์ด๋ฒˆ ์ฃผ ๋ชฉํ‘œ ๋‹ฌ์„ฑ ์—ฌ๋ถ€

    • ํ•ญํ•ด99 3์ฃผ์ฐจ ๊ณผ์ œ ์™„์„ฑ
    • ์ธํ”„๋Ÿฐ HTTP ๊ฐ•์˜ ์™„๊ฐ•
    • ์ž๋ฐ” ORM ํ‘œ์ค€ JPA ํ”„๋กœ๊ทธ๋ž˜๋ฐ - ๊ธฐ๋ณธํŽธ ์ˆ˜๊ฐ•์ค‘
    • ์•Œ๊ณ ๋ฆฌ์ฆ˜ 1์ผ 1๋ฌธ์ œ

     

    ๐Ÿ’ฌ ํšŒ๊ณ 

    ๋ถ„๋ช… 3๋…„์ „์— ์‹ธํ”ผ์—์„œ ์Šคํ”„๋ง์„ ๋ฐฐ์› ๊ณ  ํ”„๋กœ์ ํŠธ๊นŒ์ง€ ํ–ˆ๋Š”๋ฐ ๊ธฐ์–ต์ด ํ•˜๋‚˜๋„ ๋‚˜์ง€ ์•Š๋Š”๋‹ค..

    ํ•ญํ•ด ํ•˜๋ฉด์„œ ์—ด์‹ฌํžˆ , ์ž˜ ํ•˜์‹œ๋Š” ๋ถ„๋“ค์ด ๋„ˆ๋ฌด ๋งŽ์•„์„œ ๋‚ด ์ž์‹ ์„ ๋ฐ˜์„ฑํ•˜๊ฒŒ ๋˜๊ณ , ์•ž์œผ๋กœ ๋” ์—ด์‹ฌํžˆ ํ•ด์•ผ๊ฒ ๋‹ค๊ณ  ์ƒ๊ฐ์ด ๋“ค์—ˆ๋‹ค!

    ์Šคํ”„๋ง๊ณผ ์•Œ๊ณ ๋ฆฌ์ฆ˜์„ ๋ณ‘ํ–‰ํ•˜๊ธฐ๊ฐ€ ํž˜๋“ค์ง€๋งŒ ๋ถ€์กฑํ•œ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ์‹ค๋ ฅ์„ ๊ธฐ๋ฅด๊ธฐ ์œ„ํ•ด ๊ผญ ํ•˜๋ฃจ์— ํ•œ ๋ฌธ์ œ์”ฉ ํ’€์–ด์•ผ๊ฒ ๋‹ค.. ๐Ÿฅน

     

     

    'TIL, WIL' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€

    [WIL] 2023.04.24 ~ 04.30  (0) 2023.04.30
    [TIL] 2023.04.12  (0) 2023.04.12
    [TIL] 2023.04.11  (0) 2023.04.11
    [TIL] 2023.04.10  (0) 2023.04.10
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