๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ

springboot4

[TIL] 221111 - SpringBoot Part2 : ํŠธ๋žœ์žญ์…˜๊ณผ AoP SpringBoot Part2 (5) AoP - ๊ด€์  ์ง€ํ–ฅ ํ”„๋กœ๊ทธ๋ž˜๋ฐ ๊ธฐ๋Šฅ,๊ด€์‹ฌ ์ง€ํ–ฅ์  ํ”„๋กœ๊ทธ๋ž˜๋ฐ Cross Cutting Concern https://www.codejava.net/frameworks/spring/understanding-spring-aop : ์ค‘๋ณต์ฝ”๋“œ๋ฅผ ์ผ์ผํžˆ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์ด ์•„๋‹Œ ํ–‰๋‹จ์œผ๋กœ ๊ฑธ์ณ์„œ ์ ์šฉํ•ด์•ผํ•˜๋Š” ๋ถ€๊ฐ€๊ธฐ๋Šฅ(Cross Cutting Concern)์„ ๋ถ„๋ฆฌํ•ด์„œ ๋ฐฉ์‹ ํ•ต์‹ฌ๋กœ์ง์— ๋ถ€๊ฐ€๊ธฐ๋Šฅ์„ ์‰ฝ๊ฒŒ ์ถ”๊ฐ€ํ• ์ˆ˜ ์žˆ๊ฒŒํ•œ๋‹ค. class ๊ณ„์ขŒ์ด์ฒด์„œ๋น„์Šค { method ์ด์ฒด() { AAAA ๋น„์ฆˆ๋‹ˆ์Šค ๋กœ์ง BBBB } method ๊ณ„์ขŒํ™•์ธ() { AAAA ๋น„์ฆˆ๋‹ˆ์Šค ๋กœ์ง BBBB } } class ๋Œ€์ถœ์Šน์ธ์„œ๋น„์Šค { method ์Šน์ธ() { AAAA ๋น„์ฆˆ๋‹ˆ์Šค ๋กœ์ง BBBB } } ๋น„์ง€๋‹ˆ์Šค ๋ฉ”์†Œ๋“œ๋Š” ๋น„.. 2022. 11. 22.
[TIL] 221108 - SpringBoot Part2 : JDBC SprintBoot part2 (2) JDBC ์‹œ์ž‘ํ•˜๊ธฐ JDBC allows a java application to connect a relational database ํฌ๊ฒŒ ๋‘ ๋‹จ๊ณ„ ๋ ˆ์ด์–ด๋กœ ๊ตฌ์„ฑ๋œ๋‹ค. JDBC API JDBS DB Driver docker๋ฅผ ์ด์šฉํ•ด mysql ์‹คํ–‰ IntelliJ ์—ฐ๊ฒฐ maven dependency ์ถ”๊ฐ€ JDBC CURD ์‹ค์Šต 1. jdbc connection public class JdbcCustomerRepository { private static final Logger logger = LoggerFactory.getLogger(JdbcCustomerRepository.class); public static void main(String[] args) throws.. 2022. 11. 8.
[TIL] 221107 - SpringBoot Part2 : Spring Test ์‹œ์ž‘ํ•˜๊ธฐ SpringBoot Part2 - Spring Test ์‹œ์ž‘ํ•˜๊ธฐ 1. ์†Œํ”„ํŠธ์›จ์–ด ํ…Œ์ŠคํŒ… ์†Œํ”„ํŠธ์›จ์–ด์˜ ๊ฒฐํ•จ์„ ์ฐพ๋Š” ๊ณผ์ • https://martinfowler.com/bliki/TestPyramid.html Testing Level Unit tests Integration tests Component tests End-to-end tests 2. ๋‹จ์œ„ ํ…Œ์ŠคํŠธ ๊ฐ€์žฅ ์ž‘์€ ๋‹จ์œ„์˜ ํ…Œ์ŠคํŠธ : ๋ณดํŽธ์ ์œผ๋กœ ํ•˜๋‚˜์˜ class์— ํ•˜๋‚˜์˜ ๋‹จ์œ„ํ…Œ์ŠคํŠธ๋ฅผ ์ž‘์„ฑํ•œ๋‹ค. : ๊ณ ๋ฆฝํ•ด์„œ ํ…Œ์ŠคํŠธ ํ•œ๋‹ค. : ์ƒˆ๋กœ์šด ๊ธฐ๋Šฅ์„ ์ถ”๊ฐ€ํ–ˆ์„๋•Œ ๊ธฐ์กด ๊ธฐ๋Šฅ๋“ค์ด ๋‹จ์œ„ํ…Œ์ŠคํŠธ์— ์˜ํ•ด ์ž˜ ์ž‘๋™ํ•˜๋Š”์ง€ ํ™•์ธํ•  ์ˆ˜ ์žˆ๋‹ค. : ํ…Œ์ŠคํŠธ ์ฝ”๋“œ(ํ…Œ์ŠคํŠธ ์ผ€์ด์Šค) ์ž์ฒด๊ฐ€ ๊ธฐ๋Šฅ ๋ช…์„ธ์„œ๊ฐ€ ๋  ์ˆ˜ ์žˆ๋‹ค. : Spring ํ™˜๊ฒฝ์—์„œ๋„ ์ œ๊ณต์ด ๋˜๋‚˜ ํ•˜๋‚˜์˜ class์˜ ๊ธฐ๋Šฅ์— ์ง‘์ค‘ํ•œ ํ…Œ์Šค.. 2022. 11. 8.
[TIL] 221103 - SpringBoot Part1 - ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜ ์†์„ฑ ๊ด€๋ฆฌ SpringBoot Part1 (4) 1. Enviroment profile ApplicationContext๋Š” EnvironmentCapable ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์ƒ์†๋ฐ›์œผ๋ฉฐ getEnvironment() ๋ฉ”์†Œ๋“œ๋ฅผ ์ œ๊ณตํ•œ๋‹ค. profile์— ๋”ฐ๋ผ ํ™˜๊ฒฝ์ด ๋ฐ”๋€Œ๊ณ  ๊ทธ์— ๋”ฐ๋ผ properties๊ฐ€ ๋ฐ”๋€๋‹ค. properties : ๋‹ค์–‘ํ•œ ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜ ์†์„ฑ์„ property๋กœ ์ •์˜ํ•˜๊ณ  ์„ค์ •ํ•œ๋‹ค. ๋‹ค์–‘ํ•œ ๋ฐฉ์‹์œผ๋กœ ์„ค์ •์ด ๊ฐ€๋Šฅํ•˜๋‹ค. resources > application.properties : springboot์—์„œ default๋กœ ์‚ฌ์šฉํ•˜๋Š” property ํŒŒ์ผ : key/value ํ˜•์‹์œผ๋กœ ์ž‘์„ฑ version = v1.0.0 kdt.version = v1.0.0 kdt.support-vendors = a,b,c,d,.. 2022. 11. 6.