Spring Data Jpa λž€?

μ‹ μž¬μ›Β·2023λ…„ 2μ›” 19일
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Spring Data Jpa

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πŸ“Œ Spring Data Jpa

  • μ–΄λ–€ μ’…λ₯˜μ˜ 데이터 μ €μž₯μ†Œ (Repository)라도 기본적인
    C (Create) R (Read) U (Update) D (Delete) λ™μž‘μ΄ ν•„μš”ν•˜λ‹€.
    Spring Data JpaλŠ” μ œλ„€λ¦­ν•œ μΈν„°νŽ˜μ΄μŠ€λ₯Ό μ œκ³΅ν•˜μ—¬ κ³΅ν†΅λœ 연산을 λ™μ μœΌλ‘œ μ œκ³΅ν•œλ‹€.

μ‚¬μš© μ˜ˆμ‹œ (μΈν„°νŽ˜μ΄μŠ€ ν΄λž˜μŠ€μ—μ„œ)
extends JpaRepository <T (μ—”ν‹°ν‹°), pk(μ—”ν‹°ν‹°μ˜ λ§€ν•‘λœ pk type)>

λ²ˆμ™Έ
: @Repositoryλ₯Ό μ‚¬μš©ν•˜μ§€ μ•Šμ•„λ„ μŠ€ν”„λ§ λΉˆμ— λ“±λ‘μ΄λœλ‹€.

μ£Όμš” λ©”μ„œλ“œ

  1. save() : μƒˆλ‘œμš΄ μ—”ν‹°ν‹°λ₯Ό μ €μž₯ν•˜κ³ , 이미 μžˆλŠ” μ—”ν‹°ν‹°λŠ” λ³‘ν•©ν•œλ‹€.
  2. delete() : μ—”ν‹°ν‹° ν•˜λ‚˜λ₯Ό μ‚­μ œν•œλ‹€. λ‚΄λΆ€μ—μ„œ EntityManger.remove() 호좜
  3. findById() : μ—”ν‹°ν‹° ν•˜λ‚˜λ₯Ό μ‘°νšŒν•œλ‹€. λ‚΄λΆ€μ—μ„œ EntityManger.find() 호좜
  4. getOne(), findAll()

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