├── .gitignore ├── README.md ├── build.gradle.kts ├── docker-compose-x86.yaml ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── http └── test.http ├── images ├── jar-native.png ├── newproject1.png ├── newproject2.png ├── oci-legacy-run.png ├── oci-legacy.png ├── oci-native-run.png ├── oci-native.png ├── sdkman1.png ├── sdkman2.png └── sdkman3.png ├── settings.gradle.kts └── src ├── main ├── java │ └── net │ │ └── purefunc │ │ └── spring │ │ └── boot3 │ │ └── practice │ │ └── java │ │ ├── JChineseZodiac.java │ │ ├── JMemberController.java │ │ ├── JMemberDao.java │ │ ├── JMemberPo.java │ │ ├── JMemberRequestDto.java │ │ ├── JMemberResponseDto.java │ │ ├── JMemberVo.java │ │ └── JsonUtil.java ├── kotlin │ └── net │ │ └── purefunc │ │ └── spring │ │ └── boot3 │ │ └── practice │ │ ├── SpringBoot3PracticeApplication.kt │ │ └── kotlin │ │ ├── KChineseZodiac.kt │ │ ├── KMemberController.kt │ │ ├── KMemberDao.kt │ │ ├── KMemberPo.kt │ │ ├── KMemberRequestDto.kt │ │ ├── KMemberResponseDto.kt │ │ └── KMemberVo.kt └── resources │ └── application.yaml └── test ├── kotlin └── net │ └── purefunc │ └── spring │ └── boot3 │ └── practice │ └── SpringBoot3PracticeApplicationTests.kt └── resources └── schema.sql /.gitignore: -------------------------------------------------------------------------------- 1 | HELP.md 2 | .gradle 3 | build/ 4 | !gradle/wrapper/gradle-wrapper.jar 5 | !**/src/main/**/build/ 6 | !**/src/test/**/build/ 7 | 8 | ### STS ### 9 | .apt_generated 10 | .classpath 11 | .factorypath 12 | .project 13 | .settings 14 | .springBeans 15 | .sts4-cache 16 | bin/ 17 | !**/src/main/**/bin/ 18 | !**/src/test/**/bin/ 19 | 20 | ### IntelliJ IDEA ### 21 | .idea 22 | *.iws 23 | *.iml 24 | *.ipr 25 | out/ 26 | !**/src/main/**/out/ 27 | !**/src/test/**/out/ 28 | 29 | ### NetBeans ### 30 | /nbproject/private/ 31 | /nbbuild/ 32 | /dist/ 33 | /nbdist/ 34 | /.nb-gradle/ 35 | 36 | ### VS Code ### 37 | .vscode/ 38 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # spring-boot-3-practice 🦄 2 | * [Spring Boot 3](https://spring.io/projects/spring-boot) 3 | * [Spring Framework 6](https://spring.io/projects/spring-framework) 4 | * [Java 17](https://docs.oracle.com/en/java/javase/17/) 5 | * [Kotlin 1.7](https://kotlinlang.org/docs/whatsnew1720.html) 6 | * [GraalVM 22](https://www.graalvm.org/release-notes/22_0/) 7 | 8 | # SDKMAN! https://sdkman.io/ 9 | * 🧱 install Java 17, GraalVM 22 10 | ```bash 11 | sdk list java 12 | sdk install java $version 13 | ``` 14 | ![](./images/sdkman1.png) 15 | ![](./images/sdkman2.png) 16 | ![](./images/sdkman3.png) 17 | * ⚙️ configure 18 | ```bash 19 | export GRAALVM_HOME= 20 | export PATH=${GRAALVM_HOME}/bin:$PATH 21 | ``` 22 | 23 | # New Project 🎉 24 | ![](./images/newproject1.png) 25 | ![](./images/newproject2.png) 26 | 27 | # Demo Java New Features ✨ 28 | * record 29 | * https://github.com/PureFuncInc/Spring-Boot-3-Practice/blob/main/src/main/java/net/purefunc/spring/boot3/practice/java/JMemberPo.java#L12-L19 30 | * text block 31 | * https://github.com/PureFuncInc/Spring-Boot-3-Practice/blob/main/src/main/java/net/purefunc/spring/boot3/practice/java/JMemberDao.java#L12-L21 32 | * switch expression 33 | * https://github.com/PureFuncInc/Spring-Boot-3-Practice/blob/main/src/main/java/net/purefunc/spring/boot3/practice/java/JMemberPo.java#L25-L38 34 | 35 | # Build & Run 🚀 36 | * 🔨 build jar 37 | ```bash 38 | ./gradlew build 39 | jar -jar libs/spring-boot-3-practice-0.0.1-SNAPSHOT.jar 40 | ``` 41 | * 🔮 build native 42 | ```bash 43 | ./gradlew nativeCompile 44 | ./spring-boot-3-practice 45 | ``` 46 | ![](./images/jar-native.png) 47 | * 🪞 build OCI image 48 | ```bash 49 | ./gradlew bootBuildImage 50 | docker run -d -p 8080:8080 spring-boot-3-practice:0.0.1-SNAPSHOT 51 | ``` 52 | ![](./images/oci-legacy.png) 53 | ![](./images/oci-legacy-run.png) 54 | ![](./images/oci-native.png) 55 | ![](./images/oci-native-run.png) 56 | -------------------------------------------------------------------------------- /build.gradle.kts: -------------------------------------------------------------------------------- 1 | import org.jetbrains.kotlin.gradle.tasks.KotlinCompile 2 | 3 | plugins { 4 | id("org.springframework.boot") version "3.0.1" 5 | id("io.spring.dependency-management") version "1.1.0" 6 | id("org.graalvm.buildtools.native") version "0.9.18" 7 | kotlin("jvm") version "1.7.22" 8 | kotlin("plugin.spring") version "1.7.22" 9 | } 10 | 11 | group = "net.purefunc" 12 | version = "0.0.1-SNAPSHOT" 13 | java.sourceCompatibility = JavaVersion.VERSION_17 14 | 15 | repositories { 16 | mavenCentral() 17 | } 18 | 19 | dependencies { 20 | implementation("org.springframework.boot:spring-boot-starter-data-r2dbc") 21 | implementation("org.springframework.boot:spring-boot-starter-data-redis-reactive") 22 | implementation("org.springframework.boot:spring-boot-starter-webflux") 23 | implementation("com.fasterxml.jackson.module:jackson-module-kotlin") 24 | implementation("io.projectreactor.kotlin:reactor-kotlin-extensions") 25 | implementation("org.jetbrains.kotlin:kotlin-reflect") 26 | implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8") 27 | implementation("org.jetbrains.kotlinx:kotlinx-coroutines-reactor") 28 | runtimeOnly("org.postgresql:postgresql") 29 | runtimeOnly("org.postgresql:r2dbc-postgresql") 30 | testImplementation("org.springframework.boot:spring-boot-starter-test") 31 | testImplementation("io.projectreactor:reactor-test") 32 | } 33 | 34 | tasks.withType { 35 | kotlinOptions { 36 | freeCompilerArgs = listOf("-Xjsr305=strict") 37 | jvmTarget = "17" 38 | } 39 | } 40 | 41 | tasks.withType { 42 | useJUnitPlatform() 43 | } 44 | -------------------------------------------------------------------------------- /docker-compose-x86.yaml: -------------------------------------------------------------------------------- 1 | version: "3.9" 2 | 3 | services: 4 | redis: 5 | image: redis:6 6 | expose: 7 | - 6379 8 | ports: 9 | - "6379:6379" 10 | networks: 11 | - default 12 | 13 | postgresql: 14 | image: postgres:13 15 | environment: 16 | - POSTGRES_PASSWORD=rootroot 17 | expose: 18 | - 5432 19 | ports: 20 | - "5432:5432" 21 | networks: 22 | - default 23 | 24 | networks: 25 | default: 26 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/PureFuncInc/spring-boot-3-practice/4becd4d08c7d7ebf4f400c9bbe76f955416da471/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | distributionBase=GRADLE_USER_HOME 2 | distributionPath=wrapper/dists 3 | distributionUrl=https\://services.gradle.org/distributions/gradle-7.6-bin.zip 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | 3 | # 4 | # Copyright © 2015-2021 the original authors. 5 | # 6 | # Licensed under the Apache License, Version 2.0 (the "License"); 7 | # you may not use this file except in compliance with the License. 8 | # You may obtain a copy of the License at 9 | # 10 | # https://www.apache.org/licenses/LICENSE-2.0 11 | # 12 | # Unless required by applicable law or agreed to in writing, software 13 | # distributed under the License is distributed on an "AS IS" BASIS, 14 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 | # See the License for the specific language governing permissions and 16 | # limitations under the License. 17 | # 18 | 19 | ############################################################################## 20 | # 21 | # Gradle start up script for POSIX generated by Gradle. 22 | # 23 | # Important for running: 24 | # 25 | # (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is 26 | # noncompliant, but you have some other compliant shell such as ksh or 27 | # bash, then to run this script, type that shell name before the whole 28 | # command line, like: 29 | # 30 | # ksh Gradle 31 | # 32 | # Busybox and similar reduced shells will NOT work, because this script 33 | # requires all of these POSIX shell features: 34 | # * functions; 35 | # * expansions «$var», «${var}», «${var:-default}», «${var+SET}», 36 | # «${var#prefix}», «${var%suffix}», and «$( cmd )»; 37 | # * compound commands having a testable exit status, especially «case»; 38 | # * various built-in commands including «command», «set», and «ulimit». 39 | # 40 | # Important for patching: 41 | # 42 | # (2) This script targets any POSIX shell, so it avoids extensions provided 43 | # by Bash, Ksh, etc; in particular arrays are avoided. 44 | # 45 | # The "traditional" practice of packing multiple parameters into a 46 | # space-separated string is a well documented source of bugs and security 47 | # problems, so this is (mostly) avoided, by progressively accumulating 48 | # options in "$@", and eventually passing that to Java. 49 | # 50 | # Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, 51 | # and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; 52 | # see the in-line comments for details. 53 | # 54 | # There are tweaks for specific operating systems such as AIX, CygWin, 55 | # Darwin, MinGW, and NonStop. 56 | # 57 | # (3) This script is generated from the Groovy template 58 | # https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt 59 | # within the Gradle project. 60 | # 61 | # You can find Gradle at https://github.com/gradle/gradle/. 62 | # 63 | ############################################################################## 64 | 65 | # Attempt to set APP_HOME 66 | 67 | # Resolve links: $0 may be a link 68 | app_path=$0 69 | 70 | # Need this for daisy-chained symlinks. 71 | while 72 | APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path 73 | [ -h "$app_path" ] 74 | do 75 | ls=$( ls -ld "$app_path" ) 76 | link=${ls#*' -> '} 77 | case $link in #( 78 | /*) app_path=$link ;; #( 79 | *) app_path=$APP_HOME$link ;; 80 | esac 81 | done 82 | 83 | APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit 84 | 85 | APP_NAME="Gradle" 86 | APP_BASE_NAME=${0##*/} 87 | 88 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 89 | DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' 90 | 91 | # Use the maximum available, or set MAX_FD != -1 to use that value. 92 | MAX_FD=maximum 93 | 94 | warn () { 95 | echo "$*" 96 | } >&2 97 | 98 | die () { 99 | echo 100 | echo "$*" 101 | echo 102 | exit 1 103 | } >&2 104 | 105 | # OS specific support (must be 'true' or 'false'). 106 | cygwin=false 107 | msys=false 108 | darwin=false 109 | nonstop=false 110 | case "$( uname )" in #( 111 | CYGWIN* ) cygwin=true ;; #( 112 | Darwin* ) darwin=true ;; #( 113 | MSYS* | MINGW* ) msys=true ;; #( 114 | NONSTOP* ) nonstop=true ;; 115 | esac 116 | 117 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 118 | 119 | 120 | # Determine the Java command to use to start the JVM. 121 | if [ -n "$JAVA_HOME" ] ; then 122 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 123 | # IBM's JDK on AIX uses strange locations for the executables 124 | JAVACMD=$JAVA_HOME/jre/sh/java 125 | else 126 | JAVACMD=$JAVA_HOME/bin/java 127 | fi 128 | if [ ! -x "$JAVACMD" ] ; then 129 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 130 | 131 | Please set the JAVA_HOME variable in your environment to match the 132 | location of your Java installation." 133 | fi 134 | else 135 | JAVACMD=java 136 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 137 | 138 | Please set the JAVA_HOME variable in your environment to match the 139 | location of your Java installation." 140 | fi 141 | 142 | # Increase the maximum file descriptors if we can. 143 | if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then 144 | case $MAX_FD in #( 145 | max*) 146 | MAX_FD=$( ulimit -H -n ) || 147 | warn "Could not query maximum file descriptor limit" 148 | esac 149 | case $MAX_FD in #( 150 | '' | soft) :;; #( 151 | *) 152 | ulimit -n "$MAX_FD" || 153 | warn "Could not set maximum file descriptor limit to $MAX_FD" 154 | esac 155 | fi 156 | 157 | # Collect all arguments for the java command, stacking in reverse order: 158 | # * args from the command line 159 | # * the main class name 160 | # * -classpath 161 | # * -D...appname settings 162 | # * --module-path (only if needed) 163 | # * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. 164 | 165 | # For Cygwin or MSYS, switch paths to Windows format before running java 166 | if "$cygwin" || "$msys" ; then 167 | APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) 168 | CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) 169 | 170 | JAVACMD=$( cygpath --unix "$JAVACMD" ) 171 | 172 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 173 | for arg do 174 | if 175 | case $arg in #( 176 | -*) false ;; # don't mess with options #( 177 | /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath 178 | [ -e "$t" ] ;; #( 179 | *) false ;; 180 | esac 181 | then 182 | arg=$( cygpath --path --ignore --mixed "$arg" ) 183 | fi 184 | # Roll the args list around exactly as many times as the number of 185 | # args, so each arg winds up back in the position where it started, but 186 | # possibly modified. 187 | # 188 | # NB: a `for` loop captures its iteration list before it begins, so 189 | # changing the positional parameters here affects neither the number of 190 | # iterations, nor the values presented in `arg`. 191 | shift # remove old arg 192 | set -- "$@" "$arg" # push replacement arg 193 | done 194 | fi 195 | 196 | # Collect all arguments for the java command; 197 | # * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of 198 | # shell script including quotes and variable substitutions, so put them in 199 | # double quotes to make sure that they get re-expanded; and 200 | # * put everything else in single quotes, so that it's not re-expanded. 201 | 202 | set -- \ 203 | "-Dorg.gradle.appname=$APP_BASE_NAME" \ 204 | -classpath "$CLASSPATH" \ 205 | org.gradle.wrapper.GradleWrapperMain \ 206 | "$@" 207 | 208 | # Stop when "xargs" is not available. 209 | if ! command -v xargs >/dev/null 2>&1 210 | then 211 | die "xargs is not available" 212 | fi 213 | 214 | # Use "xargs" to parse quoted args. 215 | # 216 | # With -n1 it outputs one arg per line, with the quotes and backslashes removed. 217 | # 218 | # In Bash we could simply go: 219 | # 220 | # readarray ARGS < <( xargs -n1 <<<"$var" ) && 221 | # set -- "${ARGS[@]}" "$@" 222 | # 223 | # but POSIX shell has neither arrays nor command substitution, so instead we 224 | # post-process each arg (as a line of input to sed) to backslash-escape any 225 | # character that might be a shell metacharacter, then use eval to reverse 226 | # that process (while maintaining the separation between arguments), and wrap 227 | # the whole thing up as a single "set" statement. 228 | # 229 | # This will of course break if any of these variables contains a newline or 230 | # an unmatched quote. 231 | # 232 | 233 | eval "set -- $( 234 | printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | 235 | xargs -n1 | 236 | sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | 237 | tr '\n' ' ' 238 | )" '"$@"' 239 | 240 | exec "$JAVACMD" "$@" 241 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @rem 2 | @rem Copyright 2015 the original author or authors. 3 | @rem 4 | @rem Licensed under the Apache License, Version 2.0 (the "License"); 5 | @rem you may not use this file except in compliance with the License. 6 | @rem You may obtain a copy of the License at 7 | @rem 8 | @rem https://www.apache.org/licenses/LICENSE-2.0 9 | @rem 10 | @rem Unless required by applicable law or agreed to in writing, software 11 | @rem distributed under the License is distributed on an "AS IS" BASIS, 12 | @rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | @rem See the License for the specific language governing permissions and 14 | @rem limitations under the License. 15 | @rem 16 | 17 | @if "%DEBUG%"=="" @echo off 18 | @rem ########################################################################## 19 | @rem 20 | @rem Gradle startup script for Windows 21 | @rem 22 | @rem ########################################################################## 23 | 24 | @rem Set local scope for the variables with windows NT shell 25 | if "%OS%"=="Windows_NT" setlocal 26 | 27 | set DIRNAME=%~dp0 28 | if "%DIRNAME%"=="" set DIRNAME=. 29 | set APP_BASE_NAME=%~n0 30 | set APP_HOME=%DIRNAME% 31 | 32 | @rem Resolve any "." and ".." in APP_HOME to make it shorter. 33 | for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi 34 | 35 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 36 | set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" 37 | 38 | @rem Find java.exe 39 | if defined JAVA_HOME goto findJavaFromJavaHome 40 | 41 | set JAVA_EXE=java.exe 42 | %JAVA_EXE% -version >NUL 2>&1 43 | if %ERRORLEVEL% equ 0 goto execute 44 | 45 | echo. 46 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 47 | echo. 48 | echo Please set the JAVA_HOME variable in your environment to match the 49 | echo location of your Java installation. 50 | 51 | goto fail 52 | 53 | :findJavaFromJavaHome 54 | set JAVA_HOME=%JAVA_HOME:"=% 55 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 56 | 57 | if exist "%JAVA_EXE%" goto execute 58 | 59 | echo. 60 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 61 | echo. 62 | echo Please set the JAVA_HOME variable in your environment to match the 63 | echo location of your Java installation. 64 | 65 | goto fail 66 | 67 | :execute 68 | @rem Setup the command line 69 | 70 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 71 | 72 | 73 | @rem Execute Gradle 74 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* 75 | 76 | :end 77 | @rem End local scope for the variables with windows NT shell 78 | if %ERRORLEVEL% equ 0 goto mainEnd 79 | 80 | :fail 81 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 82 | rem the _cmd.exe /c_ return code! 83 | set EXIT_CODE=%ERRORLEVEL% 84 | if %EXIT_CODE% equ 0 set EXIT_CODE=1 85 | if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE% 86 | exit /b %EXIT_CODE% 87 | 88 | :mainEnd 89 | if "%OS%"=="Windows_NT" endlocal 90 | 91 | :omega 92 | -------------------------------------------------------------------------------- /http/test.http: -------------------------------------------------------------------------------- 1 | ### 2 | POST http://localhost:8080/java/api/v1.0/members:register 3 | Content-Type: application/json 4 | 5 | { 6 | "name": "qrtt1", 7 | "birth": 20000928, 8 | "email": "qrtt1@purefunc.net" 9 | } 10 | 11 | ### 12 | GET http://localhost:8080/java/api/v1.0/members?email=qrtt1@purefunc.net 13 | Content-Type: application/json 14 | 15 | ### 16 | GET http://localhost:8080/java/api/v1.0/members:agg 17 | Content-Type: application/json 18 | 19 | ### 20 | POST http://localhost:8080/kotlin/api/v1.0/members:register 21 | Content-Type: application/json 22 | 23 | { 24 | "name": "qrtt1", 25 | "birth": 19990928, 26 | "email": "qrtt1@purefunc.net" 27 | } 28 | 29 | ### 30 | GET http://localhost:8080/kotlin/api/v1.0/members?email=qrtt1@purefunc.net 31 | Content-Type: application/json 32 | 33 | ### 34 | GET http://localhost:8080/kotlin/api/v1.0/members:agg 35 | Content-Type: application/json -------------------------------------------------------------------------------- /images/jar-native.png: 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-------------------------------------------------------------------------------- /src/main/java/net/purefunc/spring/boot3/practice/java/JMemberController.java: -------------------------------------------------------------------------------- 1 | package net.purefunc.spring.boot3.practice.java; 2 | 3 | import org.springframework.data.redis.core.ReactiveStringRedisTemplate; 4 | import org.springframework.http.ResponseEntity; 5 | import org.springframework.web.bind.annotation.*; 6 | import reactor.core.publisher.Flux; 7 | import reactor.core.publisher.Mono; 8 | 9 | import java.time.Duration; 10 | 11 | @RestController 12 | @RequestMapping("/java/api/v1.0") 13 | public class JMemberController { 14 | 15 | private final JsonUtil jsonUtil; 16 | private final ReactiveStringRedisTemplate reactiveStringRedisTemplate; 17 | private final JMemberDao jMemberDao; 18 | 19 | public JMemberController(JsonUtil jsonUtil, ReactiveStringRedisTemplate reactiveStringRedisTemplate, JMemberDao jMemberDao) { 20 | this.jsonUtil = jsonUtil; 21 | this.reactiveStringRedisTemplate = reactiveStringRedisTemplate; 22 | this.jMemberDao = jMemberDao; 23 | } 24 | 25 | @PostMapping("/members:register") 26 | public Mono> register(@RequestBody JMemberRequestDto jMemberRequestDto) { 27 | return jMemberDao 28 | .save(jMemberRequestDto.toPo()) 29 | .zipWhen(v -> 30 | reactiveStringRedisTemplate 31 | .opsForValue() 32 | .set(v.email(), jsonUtil.write(v), Duration.ofMinutes(5)) 33 | ) 34 | .map(v -> v.getT1().toResponseDto()) 35 | .map(ResponseEntity::ok); 36 | } 37 | 38 | @GetMapping("/members") 39 | Mono> get(@RequestParam String email) { 40 | return reactiveStringRedisTemplate 41 | .opsForValue() 42 | .get(email) 43 | .switchIfEmpty(jMemberDao.findByEmail(email).map(jsonUtil::write)) 44 | .map(v -> ResponseEntity.ok(jsonUtil.read(v, JMemberPo.class).toResponseDto())); 45 | } 46 | 47 | @GetMapping("/members:agg") 48 | Flux getAgg() { 49 | return jMemberDao.findAgg(); 50 | } 51 | } 52 | -------------------------------------------------------------------------------- /src/main/java/net/purefunc/spring/boot3/practice/java/JMemberDao.java: -------------------------------------------------------------------------------- 1 | package net.purefunc.spring.boot3.practice.java; 2 | 3 | import org.springframework.data.r2dbc.repository.Query; 4 | import org.springframework.data.repository.reactive.ReactiveCrudRepository; 5 | import reactor.core.publisher.Flux; 6 | import reactor.core.publisher.Mono; 7 | 8 | public interface JMemberDao extends ReactiveCrudRepository { 9 | 10 | Mono findByEmail(String email); 11 | 12 | @Query(value = """ 13 | SELECT 14 | jm.name, 15 | count(jm.id) 16 | FROM 17 | jmember jm 18 | GROUP BY 19 | jm.name 20 | """ 21 | ) 22 | Flux findAgg(); 23 | } 24 | -------------------------------------------------------------------------------- /src/main/java/net/purefunc/spring/boot3/practice/java/JMemberPo.java: -------------------------------------------------------------------------------- 1 | package net.purefunc.spring.boot3.practice.java; 2 | 3 | import org.springframework.data.annotation.Id; 4 | import org.springframework.data.relational.core.mapping.Table; 5 | 6 | import java.time.Instant; 7 | import java.time.OffsetDateTime; 8 | import java.time.ZoneOffset; 9 | import java.time.format.DateTimeFormatter; 10 | 11 | @Table("jmember") 12 | public record JMemberPo( 13 | @Id 14 | Long id, 15 | String name, 16 | String email, 17 | Integer birth, 18 | Long createDate 19 | ) { 20 | 21 | JMemberResponseDto toResponseDto() { 22 | return new JMemberResponseDto( 23 | name, 24 | email, 25 | switch (((birth / 10000) + 8) % 12) { 26 | case 0 -> JChineseZodiac.RAT; 27 | case 1 -> JChineseZodiac.OX; 28 | case 2 -> JChineseZodiac.TIGER; 29 | case 3 -> JChineseZodiac.RABBIT; 30 | case 4 -> JChineseZodiac.DRAGON; 31 | case 5 -> JChineseZodiac.SNAKE; 32 | case 6 -> JChineseZodiac.HORSE; 33 | case 7 -> JChineseZodiac.GOAT; 34 | case 8 -> JChineseZodiac.MONKEY; 35 | case 9 -> JChineseZodiac.ROOSTER; 36 | case 10 -> JChineseZodiac.DOG; 37 | default -> JChineseZodiac.PIG; 38 | }, 39 | DateTimeFormatter.ISO_ZONED_DATE_TIME 40 | .format( 41 | OffsetDateTime.ofInstant( 42 | Instant.ofEpochMilli(createDate), 43 | ZoneOffset.ofHours(8) 44 | ) 45 | ) 46 | ); 47 | } 48 | } 49 | -------------------------------------------------------------------------------- /src/main/java/net/purefunc/spring/boot3/practice/java/JMemberRequestDto.java: -------------------------------------------------------------------------------- 1 | package net.purefunc.spring.boot3.practice.java; 2 | 3 | import java.time.Instant; 4 | 5 | public record JMemberRequestDto( 6 | String name, 7 | String email, 8 | Integer birth 9 | ) { 10 | 11 | public JMemberPo toPo() { 12 | return new JMemberPo( 13 | null, 14 | name, 15 | email, 16 | birth, 17 | Instant.now().toEpochMilli() 18 | ); 19 | } 20 | } 21 | -------------------------------------------------------------------------------- /src/main/java/net/purefunc/spring/boot3/practice/java/JMemberResponseDto.java: -------------------------------------------------------------------------------- 1 | package net.purefunc.spring.boot3.practice.java; 2 | 3 | public record JMemberResponseDto( 4 | String name, 5 | String email, 6 | JChineseZodiac chineseZodiac, 7 | String createDate 8 | ) { 9 | } 10 | -------------------------------------------------------------------------------- /src/main/java/net/purefunc/spring/boot3/practice/java/JMemberVo.java: -------------------------------------------------------------------------------- 1 | package net.purefunc.spring.boot3.practice.java; 2 | 3 | public record JMemberVo( 4 | String name, 5 | Integer count 6 | ) { 7 | } 8 | -------------------------------------------------------------------------------- /src/main/java/net/purefunc/spring/boot3/practice/java/JsonUtil.java: -------------------------------------------------------------------------------- 1 | package net.purefunc.spring.boot3.practice.java; 2 | 3 | import com.fasterxml.jackson.core.JsonProcessingException; 4 | import com.fasterxml.jackson.databind.ObjectMapper; 5 | import org.springframework.stereotype.Service; 6 | 7 | @Service 8 | public class JsonUtil { 9 | 10 | private final ObjectMapper objectMapper = new ObjectMapper(); 11 | 12 | String write(Object object) { 13 | try { 14 | return objectMapper.writeValueAsString(object); 15 | } catch (JsonProcessingException e) { 16 | throw new RuntimeException(e); 17 | } 18 | } 19 | 20 | T read(String json, Class valueType) { 21 | try { 22 | return objectMapper.readValue(json, valueType); 23 | } catch (JsonProcessingException e) { 24 | throw new RuntimeException(e); 25 | } 26 | } 27 | } 28 | -------------------------------------------------------------------------------- /src/main/kotlin/net/purefunc/spring/boot3/practice/SpringBoot3PracticeApplication.kt: -------------------------------------------------------------------------------- 1 | package net.purefunc.spring.boot3.practice 2 | 3 | import org.springframework.boot.autoconfigure.SpringBootApplication 4 | import org.springframework.boot.runApplication 5 | import org.springframework.cache.annotation.EnableCaching 6 | 7 | @EnableCaching 8 | @SpringBootApplication 9 | class SpringBoot3PracticeApplication 10 | 11 | fun main(args: Array) { 12 | runApplication(*args) 13 | } 14 | -------------------------------------------------------------------------------- /src/main/kotlin/net/purefunc/spring/boot3/practice/kotlin/KChineseZodiac.kt: -------------------------------------------------------------------------------- 1 | package net.purefunc.spring.boot3.practice.kotlin 2 | 3 | enum class KChineseZodiac { 4 | 5 | RAT, 6 | OX, 7 | TIGER, 8 | RABBIT, 9 | DRAGON, 10 | SNAKE, 11 | HORSE, 12 | GOAT, 13 | MONKEY, 14 | ROOSTER, 15 | DOG, 16 | PIG, 17 | } -------------------------------------------------------------------------------- /src/main/kotlin/net/purefunc/spring/boot3/practice/kotlin/KMemberController.kt: -------------------------------------------------------------------------------- 1 | package net.purefunc.spring.boot3.practice.kotlin 2 | 3 | import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper 4 | import java.time.Duration 5 | import kotlinx.coroutines.flow.toList 6 | import kotlinx.coroutines.reactive.awaitFirst 7 | import kotlinx.coroutines.reactive.awaitFirstOrNull 8 | import org.springframework.data.redis.core.ReactiveStringRedisTemplate 9 | import org.springframework.http.ResponseEntity 10 | import org.springframework.web.bind.annotation.GetMapping 11 | import org.springframework.web.bind.annotation.PostMapping 12 | import org.springframework.web.bind.annotation.RequestBody 13 | import org.springframework.web.bind.annotation.RequestMapping 14 | import org.springframework.web.bind.annotation.RequestParam 15 | import org.springframework.web.bind.annotation.RestController 16 | 17 | @RestController 18 | @RequestMapping("/kotlin/api/v1.0") 19 | class KMemberController( 20 | private val reactiveStringRedisTemplate: ReactiveStringRedisTemplate, 21 | private val kMemberDao: KMemberDao, 22 | ) { 23 | 24 | private val objectMapper = jacksonObjectMapper() 25 | 26 | @PostMapping("/members:register") 27 | suspend fun register( 28 | @RequestBody kMemberRequestDto: KMemberRequestDto 29 | ): ResponseEntity = 30 | kMemberDao 31 | .save(kMemberRequestDto.toPo()) 32 | .also { 33 | reactiveStringRedisTemplate 34 | .opsForValue() 35 | .set(it.email, objectMapper.writeValueAsString(it), Duration.ofMinutes(5)) 36 | .awaitFirst() 37 | } 38 | .toResponseDto() 39 | .let { ResponseEntity.ok(it) } 40 | 41 | @GetMapping("/members") 42 | suspend fun get( 43 | @RequestParam email: String, 44 | ): ResponseEntity = 45 | reactiveStringRedisTemplate 46 | .opsForValue() 47 | .get(email) 48 | .awaitFirstOrNull() 49 | ?.let { 50 | ResponseEntity.ok( 51 | objectMapper 52 | .readValue(it, KMemberPo::class.java) 53 | .toResponseDto() 54 | ) 55 | } 56 | ?: kMemberDao 57 | .findByEmail(email) 58 | ?.let { ResponseEntity.ok(it.toResponseDto()) } 59 | ?: ResponseEntity.notFound().build() 60 | 61 | @GetMapping("/members:agg") 62 | suspend fun getAgg(): List = kMemberDao.findAgg().toList() 63 | } -------------------------------------------------------------------------------- /src/main/kotlin/net/purefunc/spring/boot3/practice/kotlin/KMemberDao.kt: -------------------------------------------------------------------------------- 1 | package net.purefunc.spring.boot3.practice.kotlin 2 | 3 | import kotlinx.coroutines.flow.Flow 4 | import org.springframework.data.r2dbc.repository.Query 5 | import org.springframework.data.repository.kotlin.CoroutineCrudRepository 6 | import reactor.core.publisher.Flux 7 | 8 | interface KMemberDao : CoroutineCrudRepository { 9 | 10 | suspend fun findByEmail(email: String): KMemberPo? 11 | 12 | @Query(value = """ 13 | SELECT 14 | km.name, 15 | count(km.id) 16 | FROM 17 | kmember km 18 | GROUP BY 19 | km.name 20 | """ 21 | ) 22 | fun findAgg(): Flow 23 | } -------------------------------------------------------------------------------- /src/main/kotlin/net/purefunc/spring/boot3/practice/kotlin/KMemberPo.kt: -------------------------------------------------------------------------------- 1 | package net.purefunc.spring.boot3.practice.kotlin 2 | 3 | import java.time.Instant 4 | import java.time.OffsetDateTime 5 | import java.time.ZoneOffset 6 | import java.time.format.DateTimeFormatter 7 | import org.springframework.data.annotation.Id 8 | import org.springframework.data.relational.core.mapping.Table 9 | 10 | @Table("kmember") 11 | data class KMemberPo( 12 | 13 | @Id 14 | val id: Long?, 15 | var name: String, 16 | var email: String, 17 | var birth: Int, 18 | val createDate: Long, 19 | ) { 20 | 21 | fun toResponseDto(): KMemberResponseDto = 22 | KMemberResponseDto( 23 | name = name, 24 | email = email, 25 | chineseZodiac = when (((birth / 10000) + 8) % 12) { 26 | 0 -> KChineseZodiac.RAT 27 | 1 -> KChineseZodiac.OX 28 | 2 -> KChineseZodiac.TIGER 29 | 3 -> KChineseZodiac.RABBIT 30 | 4 -> KChineseZodiac.DRAGON 31 | 5 -> KChineseZodiac.SNAKE 32 | 6 -> KChineseZodiac.HORSE 33 | 7 -> KChineseZodiac.GOAT 34 | 8 -> KChineseZodiac.MONKEY 35 | 9 -> KChineseZodiac.ROOSTER 36 | 10 -> KChineseZodiac.DOG 37 | else -> KChineseZodiac.PIG 38 | }, 39 | createDate = DateTimeFormatter 40 | .ISO_ZONED_DATE_TIME 41 | .format( 42 | OffsetDateTime.ofInstant( 43 | Instant.ofEpochMilli(createDate), 44 | ZoneOffset.ofHours(8) 45 | ) 46 | ), 47 | ) 48 | } -------------------------------------------------------------------------------- /src/main/kotlin/net/purefunc/spring/boot3/practice/kotlin/KMemberRequestDto.kt: -------------------------------------------------------------------------------- 1 | package net.purefunc.spring.boot3.practice.kotlin 2 | 3 | import java.time.Instant 4 | 5 | data class KMemberRequestDto( 6 | 7 | val name: String, 8 | val email: String, 9 | val birth: Int, 10 | ) { 11 | 12 | fun toPo(): KMemberPo = 13 | KMemberPo( 14 | id = null, 15 | name = name, 16 | email = email, 17 | birth = birth, 18 | createDate = Instant.now().toEpochMilli(), 19 | ) 20 | } -------------------------------------------------------------------------------- /src/main/kotlin/net/purefunc/spring/boot3/practice/kotlin/KMemberResponseDto.kt: -------------------------------------------------------------------------------- 1 | package net.purefunc.spring.boot3.practice.kotlin 2 | 3 | data class KMemberResponseDto( 4 | 5 | val name: String, 6 | val email: String, 7 | val chineseZodiac: KChineseZodiac, 8 | val createDate: String, 9 | ) -------------------------------------------------------------------------------- /src/main/kotlin/net/purefunc/spring/boot3/practice/kotlin/KMemberVo.kt: -------------------------------------------------------------------------------- 1 | package net.purefunc.spring.boot3.practice.kotlin 2 | 3 | data class KMemberVo( 4 | 5 | val name: String, 6 | val count: Int, 7 | ) -------------------------------------------------------------------------------- /src/main/resources/application.yaml: -------------------------------------------------------------------------------- 1 | spring: 2 | profiles: 3 | active: ide 4 | data: 5 | redis: 6 | repositories: 7 | enabled: false 8 | 9 | --- 10 | 11 | spring: 12 | config: 13 | activate: 14 | on-profile: ide 15 | r2dbc: 16 | url: r2dbc:postgresql://localhost:5432/postgres 17 | username: postgres 18 | password: rootroot 19 | -------------------------------------------------------------------------------- /src/test/kotlin/net/purefunc/spring/boot3/practice/SpringBoot3PracticeApplicationTests.kt: -------------------------------------------------------------------------------- 1 | package net.purefunc.spring.boot3.practice 2 | 3 | import org.junit.jupiter.api.Test 4 | import org.springframework.boot.test.context.SpringBootTest 5 | 6 | @SpringBootTest 7 | class SpringBoot3PracticeApplicationTests { 8 | 9 | @Test 10 | fun contextLoads() { 11 | } 12 | 13 | } 14 | -------------------------------------------------------------------------------- /src/test/resources/schema.sql: -------------------------------------------------------------------------------- 1 | create table if not exists jmember 2 | ( 3 | id serial 4 | constraint jmember_id_pk primary key, 5 | name varchar(255), 6 | email varchar(255) not null unique, 7 | birth int, 8 | create_date bigint 9 | ); 10 | 11 | create table if not exists kmember 12 | ( 13 | id serial 14 | constraint kmember_id_pk primary key, 15 | name varchar(255), 16 | email varchar(255) not null unique, 17 | birth int, 18 | create_date bigint 19 | ); 20 | 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