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TIL
  • README
  • Git
    • Basic
    • Remote Repository
    • Log & Diff
    • Rebase&Cherri-Pick
    • git-flow
  • DevOps
    • Monolithic vs MSA
    • Jenkins ์‹œ์ž‘ํ•˜๊ธฐ
    • Airflow ์‹œ์ž‘ํ•˜๊ธฐ
    • Airflow ์‹œ์ž‘ํ•˜๊ธฐ
    • Build Tools
      • maven
  • ๊ฐœ๋ฐœ ๋ฐฉ๋ฒ•๋ก 
    • TDD
  • Spring
    • IoC
    • Is Spring Bean Thread-Safe?
    • Spring Singleton
    • Component Scan
    • Spring Annotation
    • ์˜์กด ๊ด€๊ณ„ ์ฃผ์ž…(DI)
    • Lombok ํ™œ์šฉํ•˜๊ธฐ
    • Bean ์ƒ๋ช…์ฃผ๊ธฐ์™€ ์ฝœ๋ฐฑ
    • Bean Scope
    • AOP(1) - AOP๋ž€
    • AOP(2) - Aop Proxy
    • AOP(3) - Dynamic Proxy
    • AOP(4) - AspectJ
    • POJO
    • Spring ์„œ๋น„์Šค ๊ตฌ์กฐ
    • Transaction
    • JPA๋ž€?
    • JPA Entity
    • Spring Data JPA
    • Spring Data Specification
    • Model Mapping
    • Cache
    • restTemplate
    • YAML ํŒŒ์ผ ์„ค์ •
    • Spring Boot
      • H2 DB ์„ค์ •
      • ๋‹ค์ค‘ ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ์„ค์ •
      • Mybatis ์—ฐ๋™ํ•˜๊ธฐ
    • Spring Batch
      • Batch ์‹œ์ž‘ํ•ด๋ณด๊ธฐ
      • Batch Job Flow
      • Job
      • Step
      • Batch Scope & Job Parameter
      • JobRepository์™€ ๋ฉ”ํƒ€ํ…Œ์ด๋ธ”
      • Chunk ์ง€ํ–ฅ ํ”„๋กœ๊ทธ๋ž˜๋ฐ
      • ItemReader
      • ItemProcessor
      • ItemWriter
      • Batch Schedular
      • Job๋ณ„ Bean๋“ฑ๋กํ•˜๊ธฐ
      • Batch ๊ตฌํ˜„์‹œ ๋ฐœ์ƒํ•œ ์˜ค๋ฅ˜ ์ •๋ฆฌ
      • Spring Batch Scaling
        • Multithread Job๊ตฌํ˜„์‹œ ์ด์Šˆ์‚ฌํ•ญ
    • Spring test
      • Junit5
        • ํ…Œ์ŠคํŠธ ์ด๋ฆ„ ํ‘œ๊ธฐ
        • ํ…Œ์ŠคํŠธ ๊ทธ๋ฃน ์‚ฌ์ด์˜ ๊ด€๊ณ„
        • ํƒœ๊ทธ์™€ ํ•„ํ„ฐ๋ง
        • ๋™์  ํ…Œ์ŠคํŠธ
        • ํ…Œ์ŠคํŠธ LifeCycle
        • ํ…Œ์ŠคํŠธ ๋ฉ”์„œ๋“œ
        • ํ…Œ์ŠคํŠธ ์ˆœ์„œ
        • AssertJ
        • ํ…Œ์ŠคํŠธ ๋ณ‘๋ ฌ ์‹คํ–‰
        • AssertJ
        • Mock
      • Spring Boot Test DB ๋ถ„๋ฆฌ
      • Spring Batch Test
  • Web Application
    • Web Server & WAS
    • ๊ด€๋ จ ๊ฐœ๋… - HTTP API, HTML, CSR, SSR
    • Servlet
    • JSP
    • Cookie And Session
    • ์˜ˆ์™ธํŽ˜์ด์ง€
    • Java Bean
    • JDBC
    • Connection Pool
    • ํŒŒ์ผ ์—…๋กœ๋“œ
    • Expression Language
    • JSTL
    • FrontControllerํŒจํ„ด Command ํŒจํ„ด
    • Forwarding
    • MVC
    • ํšŒ์›๊ฐ€์ž…์˜ˆ์ œ
    • ์ฐธ๊ณ 
      • ๊ฐœ๋ฐœํ™˜๊ฒฝ์„ค์ •
  • Java+
    • SOAP/WSDL vs REST
    • WSDL์„ JAVA๋กœ ๋ณ€ํ™˜ํ•˜๊ธฐ
    • SOAP ํ†ต์‹  OPEN API๋กœ ๊ฐœ๋ฐœํ•ด๋ณด๊ธฐ
  • Java
    • Basic
      • ๋ณ€์ˆ˜์™€ ํƒ€์ž…
      • ์—ฐ์‚ฐ์ž
      • ์กฐ๊ฑด๋ฌธ๊ณผ ๋ฐ˜๋ณต๋ฌธ
      • ์ฐธ์กฐ ํƒ€์ž…
      • ํด๋ž˜์Šค
      • ์ƒ์†(Inheritance)
      • ์ธํ„ฐํŽ˜์ด์Šค(Interface)
      • ์ค‘์ฒฉ ํด๋ž˜์Šค์™€ ์ค‘์ฒฉ ์ธํ„ฐํŽ˜์ด์Šค
      • ์˜ˆ์™ธ ์ฒ˜๋ฆฌ
      • API - Object, System, Class, Math, Wrapper
      • API - String, StringBuffer, StringBuilder
      • Thread
      • Generic
      • Lambda
      • Collection - List, Set
      • Collection - Map
      • Collection - Tree
      • Collection - Stack, Queue
      • Stream
      • Reflection
      • ์ •๊ทœํ‘œํ˜„์‹
      • GUI
      • UML
      • Serializable
    • Advanced
      • OutOfMemoryError
      • AutoValue
      • meta-annotation
        • @Retention
        • @Target
        • @Repeatable
    • Effective Java 3/E
      • ITEM 1: Static Factory Method(์ •์  ๋ฉ”์†Œ๋“œ)
      • ITEM 2: Builder Pattern
      • ITEM 3: Singleton
      • ITEM 4: Private Constructor
      • ITEM 5: Dependency Injection
      • ITEM 6: Avoid Unnecessary Object
      • ITEM 7: Eliminate Object Reference
      • ITEM 8: Avoid finalizer and cleaner
      • ITEM 9: try-with-resources
      • ITEM 10: The gerneral contract when overriding equlas
      • ITEM 11: Overriding hashCode
      • ITEM 12: overriding toString
      • ITEM 13: overriding clone judiciously
      • ITEM 14: Consider implementing comparable
      • ITEM 15: ํด๋ž˜์Šค์™€ ๋ฉค๋ฒ„์˜ ์ ‘๊ทผ์„ ์ตœ์†Œํ™”ํ•ด๋ผ
      • ITEM 16: Use Accessor methods
      • ITEM 17: ๋ณ€๊ฒฝ ๊ฐ€๋Šฅ์„ฑ์„ ์ตœ์†Œํ™”ํ•ด๋ผ(๋ถˆ๋ณ€ ํด๋ž˜์Šค)
      • ITEM 18: ์ƒ์†๋ณด๋‹จ ์ปดํฌ์ง€์…˜์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 19: ์ƒ์†์„ ๊ณ ๋ คํ•ด ์„ค๊ณ„ํ•˜๊ณ  ๋ฌธ์„œํ™”ํ•ด๋ผ
      • ITEM 20: ์ถ”์ƒ ํด๋ž˜์Šค๋ณด๋‹ค ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์šฐ์„ ํ•˜๋ผ
      • ITEM 21: ์ธํ„ฐํŽ˜์ด์Šค๋Š” ๊ตฌํ˜„ํ•˜๋Š” ์ชฝ์„ ์ƒ๊ฐํ•ด ์„ค๊ณ„ํ•ด๋ผ.
      • ITEM 22: ์ธํ„ฐํŽ˜์ด์Šค๋Š” ํƒ€์ž…์„ ์ •์˜ํ•˜๋Š” ์šฉ๋„๋กœ๋งŒ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 23: ํƒœ๊ทธ ๋‹ฌ๋ฆฐ ํด๋ž˜์Šค๋ณด๋‹ค ํด๋ž˜์Šค ๊ณ„์ธต๊ตฌ์กฐ๋ฅผ ํ™œ์šฉํ•ด๋ผ
      • ITEM 24: ๋ฉค๋ฒ„ ํด๋ž˜์Šค๋Š” ๋˜๋„๋ก static์œผ๋กœ ๊ตฌํ˜„ํ•ด๋ผ
      • ITEM 25: ํ†ฑ๋ ˆ๋ฒจ ํด๋ž˜์Šค๋Š” ํ•œ ํŒŒ์ผ์— ํ•˜๋‚˜๋งŒ ์ƒ์„ฑํ•ด๋ผ.
      • ITEM 26: Raw type์€ ์‚ฌ์šฉํ•˜์ง€ ๋งˆ๋ผ
      • ITEM 27: ๋น„๊ฒ€์‚ฌ ๊ฒฝ๊ณ ๋ฅผ ์ œ๊ฑฐํ•ด๋ผ
      • ITEM 28: ๋ฐฐ์—ด๋ณด๋‹ค๋Š” ๋ฆฌ์ŠคํŠธ๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 29: ์ด์™•์ด๋ฉด ์ œ๋„ค๋ฆญ ํƒ€์ž…์œผ๋กœ ๋งŒ๋“ค์–ด๋ผ
      • ITEM 30: ์ด์™•์ด๋ฉด ์ œ๋„ค๋ฆญ ๋ฉ”์„œ๋“œ๋กœ ๋งŒ๋“ค์–ด๋ผ
      • ITEM 31 : ํ•œ์ •์  ์™€์ผ๋“œ์นด๋“œ๋ฅผ ์‚ฌ์šฉํ•ด API ์œ ์—ฐ์„ฑ์„ ๋†’์—ฌ๋ผ
      • ITEM 32: ์ œ๋„ค๋ฆญ๊ณผ ๊ฐ€๋ณ€์ธ์ˆ˜๋ฅผ ํ•จ๊ป˜ ์“ธ ๋•Œ๋Š” ์‹ ์ค‘ํ•ด๋ผ
      • ITEM 33: ํƒ€์ž… ์•ˆ์ „ ์ด์ข… ์ปจํ…Œ์ด๋„ˆ๋ฅผ ๊ณ ๋ คํ•ด๋ผ
      • ITEM 34: int ์ƒ์ˆ˜ ๋Œ€์‹  ์—ด๊ฑฐ ํƒ€์ž…์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 35: ordinal ๋ฉ”์„œ๋“œ ๋Œ€์‹  ์ธ์Šคํ„ด์Šค ํ•„๋“œ๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 36: ๋น„ํŠธ ํ•„๋“œ ๋Œ€์‹  EnumSet์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 37: ordinal ์ธ๋ฑ์‹ฑ ๋Œ€์‹  EnumMap์„ ์‚ฌ์šฉํ•ด๋ผ
      • TEM 38 : ํ™•์žฅํ•  ์ˆ˜ ์žˆ๋Š” ์—ด๊ฑฐํƒ€์ž…์ด ํ•„์š”ํ•˜๋ฉด ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 39: ๋ช…๋ช… ํŒจํ„ด๋ณด๋‹ค ์• ๋„ˆํ…Œ์ด์…˜์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 40: @Override ์–ด๋…ธํ…Œ์ด์…˜์„ ์ผ๊ด€๋˜๊ฒŒ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 41: ์ •์˜ํ•˜๋ ค๋Š” ๊ฒƒ์ด ํƒ€์ž…์ด๋ผ๋ฉด ๋งˆ์ปค ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 42: ์ต๋ช… ํด๋ž˜์Šค๋ณด๋‹ค๋Š” ๋žŒ๋‹ค๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 43: ๋žŒ๋‹ค๋ณด๋‹ค๋Š” ๋ฉ”์„œ๋“œ ์ฐธ์กฐ๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 44: ํ‘œ์ค€ ํ•จ์ˆ˜ํ˜• ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 45: ์ŠคํŠธ๋ฆผ์€ ์ฃผ์˜ํ•ด์„œ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 46: ์ŠคํŠธ๋ฆผ์—์„œ ๋ถ€์ž‘์šฉ ์—†๋Š” ํ•จ์ˆ˜๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 47: ๋ฐ˜ํ™˜ ํƒ€์ž…์œผ๋กœ๋Š” ์ŠคํŠธ๋ฆผ๋ณด๋‹ค ์ปฌ๋ ‰์…˜์ด ๋‚ซ๋‹ค.
      • ITEM 48: ์ŠคํŠธ๋ฆผ ๋ณ‘๋ ฌํ™”๋Š” ์ฃผ์˜ํ•ด์„œ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 49: ๋งค๊ฐœ๋ณ€์ˆ˜๊ฐ€ ์œ ํšจํ•œ์ง€ ๊ฒ€์‚ฌํ•ด๋ผ
      • ITEM 50: ์ ์‹œ์— ๋ฐฉ์–ด์  ๋ณต์‚ฌ๋ณธ์„ ๋งŒ๋“ค์–ด๋ผ
      • ITEM 51: ๋ฉ”์„œ๋“œ ์‹œ๊ทธ๋‹ˆ์ฒ˜๋ฅผ ์‹ ์ค‘ํžˆ ์„ค๊ณ„ํ•ด๋ผ
      • ITEM 52: ๋‹ค์ค‘์ •์˜๋Š” ์‹ ์ค‘ํžˆ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 53: ๊ฐ€๋ณ€์ธ์ˆ˜๋Š” ์‹ ์ค‘ํžˆ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 54: null์ด ์•„๋‹Œ, ๋นˆ ์ปฌ๋ ‰์…˜์ด๋‚˜ ๋ฐฐ์—ด์„ ๋ฐ˜ํ™˜ํ•ด๋ผ
      • ITEM 55: Optional ๋ฐ˜ํ™˜์€ ์‹ ์ค‘ํ•˜๊ฒŒ ํ•ด๋ผ
      • ITEM 56: ๊ณต๊ฐœ๋œ API ์š”์†Œ์—๋Š” ํ•ญ์ƒ ์ฃผ์„์„ ์ž‘์„ฑํ•ด๋ผ
      • ITEM 57: ์ง€์—ญ๋ณ€์ˆ˜์˜ ๋ฒ”์œ„๋ฅผ ์ตœ์†Œํ™”ํ•ด๋ผ
      • ITEM 58: ์ „ํ†ต์ ์ธ for ๋ฌธ๋ณด๋‹ค๋Š” for-each๋ฌธ์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 59: ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋ฅผ ์ตํžˆ๊ณ  ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 60: ์ •ํ™•ํ•œ ๋‹ต์ด ํ•„์š”ํ•˜๋‹ค๋ฉด float์™€ double์€ ํ”ผํ•ด๋ผ
      • ITEM 61: ๋ฐ•์‹ฑ๋œ ๊ธฐ๋ณธ ํƒ€์ž…๋ณด๋‹ค๋Š” ๊ธฐ๋ณธ ํƒ€์ž…์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 62: ๋‹ค๋ฅธ ํƒ€์ž…์ด ์ ์ ˆํ•˜๋‹ค๋ฉด ๋ฌธ์ž์—ด ์‚ฌ์šฉ์„ ํ”ผํ•ด๋ผ
      • ITEM 63: ๋ฌธ์ž์—ด ์—ฐ๊ฒฐ์€ ๋А๋ฆฌ๋‹ˆ ์ฃผ์˜ํ•ด๋ผ
      • ITEM 64: ๊ฐ์ฒด๋Š” ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•ด ์ฐธ์กฐํ•ด๋ผ
      • ITEM 65: ๋ฆฌํ”Œ๋ ‰์…˜๋ณด๋‹ค๋Š” ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 66: ๋„ค์ดํ‹ฐ๋ธŒ ๋ฉ”์„œ๋“œ๋Š” ์‹ ์ค‘ํžˆ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 67: ์ตœ์ ํ™”๋Š” ์‹ ์ค‘ํžˆ ํ•ด๋ผ
      • ITEM 68: ์ผ๋ฐ˜์ ์œผ๋กœ ํ†ต์šฉ๋˜๋Š” ๋ช…๋ช… ๊ทœ์น™์„ ๋”ฐ๋ผ๋ผ
    • ๊ฐ์ฒด์ง€ํ–ฅ ์„ค๊ณ„ ์›์น™(SOLID)
    • ๋””์ž์ธํŒจํ„ด
      • Strategy Pattern
      • Template Method Pattern
      • Factory Method Pattern
      • Singleton
      • Delegation
      • Proxy
      • Adapter Pattern
    • ์‹ค์Šต
      • ์ธํ„ฐํŽ˜์ด์Šค ์‹ค์Šต - Vehicle
      • ์ธํ„ฐํŽ˜์ด์Šค ์‹ค์Šต - Remote
      • GUI ์‹ค์Šต - Calculator
      • GUI ์‹ค์Šต - button
      • GUI ์‹ค์Šต - lotto
      • Thread ์‹ค์Šต - ์ขŒ์„์˜ˆ์•ฝ, ๋ฉ”์„ธ์ง€๋ณด๋‚ด๊ธฐ
    • Jar vs War
  • ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค
    • KEY
    • Index
    • Transaction
    • Trigger
    • Procedure / Function
    • Package
    • ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ๋ฐฐ์›€ํ„ฐ
      • ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ์‹œ์Šคํ…œ
      • ๊ด€๊ณ„๋ฐ์ดํ„ฐ ๋ชจ๋ธ
      • ๊ด€๊ณ„๋Œ€์ˆ˜์™€ SQL
    • MySQL
      • Database๋ž€
      • MySQL ์‹œ์ž‘ํ•˜๊ธฐ
      • MySQL Database
      • MySQL Table
      • CRUD
      • ๊ด€๊ณ„ํ˜• ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค
      • Server์™€ Client
    • PostgreSQL
    • NoSQL
      • Install Cassandra on mac
      • Cassandra๋ž€?
      • NiFi๋ž€
  • Algorithm
    • String
    • Recursion
    • Dynamic Programming
    • Array, Struct, Pointer
    • Math
    • Sort
    • List
    • Stack
    • Queue
    • Graph
    • Tree
    • Maze
    • AVL
    • ์ด์ง„ํƒ์ƒ‰ํŠธ๋ฆฌ(Binary Search Tree)
    • DFS์™€ BFS
    • ๋‹ค์ต์ŠคํŠธ๋ผ ์•Œ๊ณ ๋ฆฌ์ฆ˜(Dijkstra's Algorithm)
    • Red-Black ํŠธ๋ฆฌ
    • A* ์•Œ๊ณ ๋ฆฌ์ฆ˜
    • Heap
    • Huffman Coding
    • Priority Queue
    • Bellman-Ford ์•Œ๊ณ ๋ฆฌ์ฆ˜
    • C++
      • Class
      • STL
        • STL pair
        • STL Container - Associate Container
        • STL Container - Sequence Container
        • STL Container - Container Adapter
  • JavaScript
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AOP(Aspect Oriented Programming)๋Š” ๊ธฐ๋Šฅ์„ ํ•ต์‹ฌ ๋น„์ฆˆ๋‹ˆ์Šค ๋กœ์ง๊ณผ ๊ณตํ†ต๋ชจ๋“ˆ(๋ณด์•ˆ์ธ์ฆ, ๋กœ๊น… ๋“ฑ)๋กœ ๊ตฌ๋ถ„ํ•˜๊ณ , ํ•ต์‹ฌ ๋กœ์ง์— ์˜ํ–ฅ์„ ๋ฏธ์น˜์ง€ ์•Š๊ณ  ์‚ฌ์ด์‚ฌ์ด์— ๊ณตํ†ต๋ชจ๋“ˆ์„ ํšจ๊ณผ์ ์œผ๋กœ ์ž˜ ํ™œ์šฉํ•˜๋Š” ๋ฐฉ๋ฒ•์ด๋‹ค.

์ฝ”๋“œ ๋ฐ–์—์„œ ์„ค์ • ๋œ๋‹ค๋Š” ๊ฒƒ์ด ํ•ต์‹ฌ์ด๋ฉฐ, ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜ ์ „์ฒด์— ๊ฑธ์ณ ์‚ฌ์šฉ๋˜๋Š” ๊ธฐ๋Šฅ์„ ์žฌ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋‹ค๋Š” ์žฅ์ ์ด ์žˆ๋‹ค.

ํ•ต์‹ฌ๊ธฐ๋Šฅ์˜ ๊ด€์ ์—์„œ ๋ณด์•˜์„ ๋•Œ, BoardService, UserService, XXXService๋Š” ๊ณตํ†ต๋œ ์š”์†Œ๊ฐ€ ์—†๋‹ค. ํ•˜์ง€๋งŒ, ์ด ๊ด€์ ์„ ๋ถ€๊ฐ€๊ธฐ๋Šฅ ๊ด€์ ์—์„œ ๋ฐ”๋ผ๋ณด๋ฉด ๊ฐ๊ฐ์˜ Service๋Š” ์ˆ˜ํ–‰์‹œ๊ฐ„์„ ์ธก์ •ํ•˜๋Š” before()์™€ after()๊ฐ€ ๊ณตํ†ต์ ์œผ๋กœ ์‚ฌ์šฉ๋˜๋Š” ๊ฒƒ์„ ๋ณผ ์ˆ˜ ์žˆ๋‹ค.

์ฆ‰, AOP๋Š” ๊ธฐ์กด์— OOP์—์„œ ๋ฐ”๋ผ๋ณด๋˜ ๊ด€์ ์„ ๋ถ€๊ฐ€์ ์ธ ์ธก๋ฉด์—์„œ ๋ณด์•˜์„ ๋•Œ ๊ณตํ†ต์ ์ธ ์ธก๋ฉด์„ ์ถ”์ถœํ•˜์ž๋Š” ๊ฒƒ์ด๋‹ค. ์ด๋•Œ, ๊ฐ€๋กœ(ํšก๋‹จ) ์˜์—ญ์˜ ๊ณตํ†ต๋œ ๋ถ€๋ถ„์„ ์ž˜๋ž๋‹ค๊ณ  ํ•˜์—ฌ Cross-Cutting ์ด๋ผ ๋ถ€๋ฅด๊ธฐ๋„ ํ•œ๋‹ค.

AOP๊ฐ€ ์‚ฌ์šฉ๋˜๋Š” ๊ฒฝ์šฐ

  1. ๊ฐ„๋‹จํ•œ ๋ฉ”์†Œ๋“œ ์„ฑ๋Šฅ ๊ฒ€์‚ฌ

    • DB์— ๋‹ค๋Ÿ‰์˜ ๋ฐ์ดํ„ฐ๋ฅผ ๋„ฃ๊ณ  ๋นผ๋Š” ๋“ฑ์˜ ๋ฐฐ์น˜ ์ž‘์—…์— ๋Œ€ํ•œ ์‹œ๊ฐ„ ์ธก์ •

  2. Transaction ์ฒ˜๋ฆฌ

    • ๋งค๋ฒˆ try catch ๋ฌธ์˜ ์ฝ”๋“œ๋Š” ๋ฒˆ๊ฑฐ๋กญ๊ณ  ์†Œ์Šค๋ฅผ ๋”์šฑ ๋ณต์žกํ•˜๊ฒŒ ํ•œ๋‹ค.

  3. ์˜ˆ์™ธ๋ฐ˜ํ™˜

    • ๊ตฌ์กฐ๊ฐ€ ์ข‹์ง€ ์•Š์€ ์˜ˆ์™ธ๊ฐ€ ๋ฐœ์ƒํ•˜์˜€์„๋•Œ ์ž˜ ์ •์˜๋˜์–ด ์žˆ๋Š” ์˜ˆ์™ธ ๊ณ„์ธต ๊ตฌ์กฐ๋กœ ๋ณ€ํ™˜ํ•˜๊ณ  ์‹ถ์€ ๊ฒฝ์šฐ

  4. ์•„ํ‚คํ…์ฒ˜ ๊ฒ€์ฆ

  5. ๊ธฐํƒ€(๋กœ๊น…, ๋ณด์•ˆ)

AOP ์šฉ์–ด

Spring AOP ํŠน์ง•

  1. ํ”„๋ก์‹œ ํŒจํ„ด ๊ธฐ๋ฐ˜์˜ AOP ๊ตฌํ˜„์ฒด์ด๋‹ค. Proxy๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ์ด์œ ๋Š” ์ ‘๊ทผ ์ œ์–ด ๋ฐ ๋ถ€๊ฐ€๊ธฐ๋Šฅ์„ ์ถ”๊ฐ€ํ•˜๊ธฐ ์œ„ํ•ด์„œ์ด๋‹ค.

  2. Spring Bean์—๋งŒ AOP ์ ์šฉ๊ฐ€๋Šฅ

  3. ๋ชจ๋“  AOP ๊ธฐ๋Šฅ์„ ์ œ๊ณตํ•˜๋Š” ๊ฒƒ์ด ์•„๋‹Œ ์Šคํ”„๋ง ์ปจํ…Œ์ด๋„ˆ์™€ ์—ฐ๋™ํ•˜์—ฌ ๊ฐ€์žฅ ํ”ํ•œ ๋ฌธ์ œ(์ค‘๋ณต์ฝ”๋“œ, ํ”„๋ก์‹œ ํด๋ž˜์Šค ์ž‘์„ฑ์˜ ๋ฒˆ๊ฑฐ๋กœ์›€, ๊ฐ์ฒด๋“ค ๊ฐ„ ๊ด€๊ณ„ ๋ณต์žก๋„ ์ฆ๊ฐ€)์— ๋Œ€ํ•œ ํ•ด๊ฒฐ์ฑ…์„ ์ง€์›ํ•˜๋Š” ๊ฒƒ์ด ๋ชฉ์ 

์ฐธ์กฐ

AOP ์šฉ์–ด

์„ค๋ช…

Target(ํƒ€๊ฒŸ)

Aspect(๋ถ€๊ฐ€๊ธฐ๋Šฅ)์„ ๋ถ€์—ฌํ•  ๋Œ€์ƒ์œผ๋กœ ํ•ต์‹ฌ ๊ธฐ๋Šฅ์„ ๋‹ด๋‹น

Aspect

๋ถ€๊ฐ€๊ธฐ๋Šฅ ๋ชจ๋“ˆ, ํ•ต์‹ฌ๊ธฐ๋Šฅ์— ๋ถ€๊ฐ€๋˜์–ด ์˜๋ฏธ๋ฅผ ๊ฐ–๋Š” ํŠน๋ณ„ํ•œ ๋ชจ๋“ˆ Advice + PointCut์œผ๋กœ ์ด๋ฃจ์–ด์ ธ์žˆ๋‹ค. JoinPoint๋ฅผ ๊ธฐ์ค€์œผ๋กœ ์ธํ„ฐ์…‰ํ„ฐ ์ฒด์ธ์ด ์œ ์ง€๋˜๋ฏ€๋กœ, ํ•˜๋‚˜์˜ ์กฐ์ธํฌ์ธํŠธ์— ์—ฌ๋Ÿฌ ๊ฐœ์˜ advice ์ ์šฉ ๊ฐ€๋Šฅ

Advice

์‹ค์งˆ์ ์œผ๋กœ ๋ถ€๊ฐ€ ๊ธฐ๋Šฅ์„ ๋‹ด์€ ๊ตฌํ˜„์ฒด์ด๋‹ค. ํŠน์ • JoinPoint์— Aspect๊ฐ€ ์ˆ˜ํ–‰ํ•˜๋Š” ํ–‰์œ„๋กœ์„œ @around, @before, @after ๋“ฑ ๋‹ค์–‘ํ•œ ํƒ€์ž…์ด ์กด์žฌํ•œ๋‹ค. Target์— ์ข…์†๋˜์ง€ ์•Š๊ธฐ ๋•Œ๋ฌธ์— ์ˆœ์ˆ˜ํ•˜๊ฒŒ ๋ถ€๊ฐ€ ๊ธฐ๋Šฅ์—๋งŒ ์ง‘์ค‘ํ•  ์ˆ˜ ์žˆ๋‹ค.

JoinPoint

Advice๊ฐ€ ์ ์šฉ๋  ์ˆ˜ ์žˆ๋Š” ์œ„์น˜ (๋ผ์–ด๋“ค ์ˆ˜ ์žˆ๋Š” ์ง€์ . ๋ฉ”์†Œ๋“œ ์ง„์ž… ์ง€์ , ์ƒ์„ฑ์ž ํ˜ธ์ถœ ์‹œ์ , ํ•„๋“œ์—์„œ ๊ฐ’์„ ๊บผ๋‚ด์˜ฌ ๋•Œ ๋“ฑ) ๋‹ค์–‘ํ•œ ์‹œ์ ์— ์ ์šฉ๊ฐ€๋Šฅ

PointCut

Advice(๋ถ€๊ฐ€ ๊ธฐ๋Šฅ)๊ฐ€ ์ ์šฉ๋  ๋Œ€์ƒ(JoinPoint)๋ฅผ ์„ ์ •ํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ์ •์˜ํ•œ ๋ชจ๋“ˆ JointPoint์˜ ์ƒ์„ธํ•œ ์ŠคํŽ™์„ ์ •์˜ํ•œ ๊ฒƒ. 'A๋ž€ ๋ฉ”์„œ๋“œ์˜ ์ง„์ž… ์‹œ์ ์— ํ˜ธ์ถœํ•  ๊ฒƒ'๊ณผ ๊ฐ™์ด ๋”์šฑ ๊ตฌ์ฒด์ ์œผ๋กœ Advice๊ฐ€ ์‹คํ–‰๋  ์ง€์ ์„ ์ •ํ•  ์ˆ˜ ์žˆ์Œ ์Šคํ”„๋ง์—์„œ๋Š” ์ •๊ทœ ํ‘œํ˜„์‹์ด๋‚˜ AspectJ์˜ ๋ฌธ๋ฒ•์„ ์ด์šฉํ•˜์—ฌ Poincut์„ ์žฌ์ •์˜ ํ•  ์ˆ˜ ์žˆ๋‹ค.

Proxy

Target์„ ๊ฐ์‹ธ Target์˜ ์š”์ฒญ์„ ๋Œ€์‹  ๋ฐ›์•„์ฃผ๋Š” Wrapping Object์ด๋‹ค. ํ˜ธ์ถœ์ž์—์„œ ํƒ€๊ฒŸ์„ ํ˜ธ์ถœํ•˜๊ฒŒ๋˜๋ฉด ํƒ€๊ฒŸ์ด ์•„๋‹Œ ํ”„๋ก์‹œ๊ฐ€ ํ˜ธ์ถœ๋˜์–ด, ํƒ€๊ฒŸ ๋ฉ”์†Œ๋“œ ์‹คํ–‰์ „ ์„ ์ฒ˜๋ฆฌโ†’ํƒ€๊ฒŸ ๋ฉ”์†Œ๋“œโ†’ํ›„์ฒ˜๋ฆฌ๋ฅผ ์‹คํ–‰ํ•œ๋‹ค.

Introduction

ํƒ€๊ฒŸ ํด๋ž˜์Šค์— ์ฝ”๋“œ ๋ณ€๊ฒฝ์—†์ด ์‹ ๊ทœ ๋ฉ”์†Œ๋“œ, ๋ฉค๋ฒ„ ๋ณ€์ˆ˜ ์ถ”๊ฐ€๊ฐ€ ๊ฐ€๋Šฅ

Weaving

Aspect์™€ ๋Œ€์ƒ์ด ๋˜๋Š” ํ•ต์‹ฌ ์ฝ”๋“œ๋ฅผ ์—ฐ๊ฒฐํ•˜๋Š” ํ”„๋กœ์„ธ์Šค. ์ฆ‰, Advice(๊ณตํ†ต์ฝ”๋“œ)๋ฅผ ํ•ต์‹ฌ๋กœ์ง์ฝ”๋“œ์— ์‚ฝ์ž…ํ•˜๋Š” ๊ฒƒ ์ง€์ •๋œ ๊ฐ์ฒด์— Aspect๋ฅผ ์ ์šฉํ•ด ์ƒˆ๋กœ์šด Proxy ๊ฐ์ฒด๋ฅผ ์ƒ์„ฑํ•˜๋Š” ๊ณผ์ • ์‚ฌ์šฉํ•˜๋Š” AOP ํ”„๋ ˆ์ž„์›Œํฌ์— ๋”ฐ๋ผ์„œ ์ปดํŒŒ์ผํƒ€์ž„, ๋กœ๋“œ ํƒ€์ž„, ๋Ÿฐํƒ€์ž„ ์‹œ์ ์œผ๋กœ ํ”„๋กœ์„ธ์Šค๊ฐ€ ์‹คํ–‰๋˜๋Š” ์‹œ์ ์ด ๋‹ค๋ฅด๋‹ค.

  1. Spring

AOP(1) - AOP๋ž€

PreviousBean ScopeNextAOP(2) - Aop Proxy
  • AOP๊ฐ€ ์‚ฌ์šฉ๋˜๋Š” ๊ฒฝ์šฐ
  • AOP ์šฉ์–ด
  • Spring AOP ํŠน์ง•
  • ์ฐธ์กฐ
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