├── .gitignore ├── .mvn └── wrapper │ ├── maven-wrapper.jar │ └── maven-wrapper.properties ├── mvnw ├── mvnw.cmd ├── pom.xml ├── readme.md └── src ├── main ├── java │ └── com │ │ └── example │ │ ├── App.java │ │ ├── AssignPhoneNumberUseCase.java │ │ ├── GenerateReportUseCase.java │ │ ├── RegisterBankTransferUseCase.java │ │ ├── SettleBankTransferUseCase.java │ │ ├── connections │ │ ├── AnotherService.java │ │ ├── ExternalService.java │ │ ├── Person.java │ │ ├── PersonRepository.java │ │ ├── SampleController.java │ │ ├── SampleService.java │ │ └── Sleep.java │ │ └── domain │ │ ├── Account.java │ │ ├── AccountRepository.java │ │ ├── Amount.java │ │ ├── BankTransfer.java │ │ ├── BankTransferRepository.java │ │ └── PhoneNumber.java └── resources │ └── application.properties └── test └── java └── com └── example ├── AppTestConfiguration.java ├── AssignPhoneNumberUseCaseTests.java ├── GenerateReportUseCaseTests.java ├── RegisterBankTransferUseCaseTests.java ├── SettleBankTransferUseCaseTests.java ├── UseCaseTest.java └── connections └── SampleControllerTests.java /.gitignore: -------------------------------------------------------------------------------- 1 | HELP.md 2 | target/ 3 | !.mvn/wrapper/maven-wrapper.jar 4 | !**/src/main/**/target/ 5 | !**/src/test/**/target/ 6 | 7 | ### STS ### 8 | .apt_generated 9 | .classpath 10 | .factorypath 11 | .project 12 | .settings 13 | .springBeans 14 | .sts4-cache 15 | 16 | ### IntelliJ IDEA ### 17 | .idea 18 | *.iws 19 | *.iml 20 | *.ipr 21 | 22 | ### NetBeans ### 23 | /nbproject/private/ 24 | /nbbuild/ 25 | /dist/ 26 | /nbdist/ 27 | /.nb-gradle/ 28 | build/ 29 | !**/src/main/**/build/ 30 | !**/src/test/**/build/ 31 | 32 | ### VS Code ### 33 | .vscode/ 34 | -------------------------------------------------------------------------------- /.mvn/wrapper/maven-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/maciejwalkowiak/performance-oriented-spring-data-jpa-talk/fa2d3acb3e9e055045b30258ba2e030846fea0ed/.mvn/wrapper/maven-wrapper.jar -------------------------------------------------------------------------------- /.mvn/wrapper/maven-wrapper.properties: -------------------------------------------------------------------------------- 1 | distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.5/apache-maven-3.9.5-bin.zip 2 | wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar 3 | -------------------------------------------------------------------------------- /mvnw: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | # ---------------------------------------------------------------------------- 3 | # Licensed to the Apache Software Foundation (ASF) under one 4 | # or more contributor license agreements. See the NOTICE file 5 | # distributed with this work for additional information 6 | # regarding copyright ownership. The ASF licenses this file 7 | # to you under the Apache License, Version 2.0 (the 8 | # "License"); you may not use this file except in compliance 9 | # with the License. You may obtain a copy of the License at 10 | # 11 | # https://www.apache.org/licenses/LICENSE-2.0 12 | # 13 | # Unless required by applicable law or agreed to in writing, 14 | # software distributed under the License is distributed on an 15 | # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 | # KIND, either express or implied. See the License for the 17 | # specific language governing permissions and limitations 18 | # under the License. 19 | # ---------------------------------------------------------------------------- 20 | 21 | # ---------------------------------------------------------------------------- 22 | # Apache Maven Wrapper startup batch script, version 3.2.0 23 | # 24 | # Required ENV vars: 25 | # ------------------ 26 | # JAVA_HOME - location of a JDK home dir 27 | # 28 | # Optional ENV vars 29 | # ----------------- 30 | # MAVEN_OPTS - parameters passed to the Java VM when running Maven 31 | # e.g. to debug Maven itself, use 32 | # set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 33 | # MAVEN_SKIP_RC - flag to disable loading of mavenrc files 34 | # ---------------------------------------------------------------------------- 35 | 36 | if [ -z "$MAVEN_SKIP_RC" ] ; then 37 | 38 | if [ -f /usr/local/etc/mavenrc ] ; then 39 | . /usr/local/etc/mavenrc 40 | fi 41 | 42 | if [ -f /etc/mavenrc ] ; then 43 | . /etc/mavenrc 44 | fi 45 | 46 | if [ -f "$HOME/.mavenrc" ] ; then 47 | . "$HOME/.mavenrc" 48 | fi 49 | 50 | fi 51 | 52 | # OS specific support. $var _must_ be set to either true or false. 53 | cygwin=false; 54 | darwin=false; 55 | mingw=false 56 | case "$(uname)" in 57 | CYGWIN*) cygwin=true ;; 58 | MINGW*) mingw=true;; 59 | Darwin*) darwin=true 60 | # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home 61 | # See https://developer.apple.com/library/mac/qa/qa1170/_index.html 62 | if [ -z "$JAVA_HOME" ]; then 63 | if [ -x "/usr/libexec/java_home" ]; then 64 | JAVA_HOME="$(/usr/libexec/java_home)"; export JAVA_HOME 65 | else 66 | JAVA_HOME="/Library/Java/Home"; export JAVA_HOME 67 | fi 68 | fi 69 | ;; 70 | esac 71 | 72 | if [ -z "$JAVA_HOME" ] ; then 73 | if [ -r /etc/gentoo-release ] ; then 74 | JAVA_HOME=$(java-config --jre-home) 75 | fi 76 | fi 77 | 78 | # For Cygwin, ensure paths are in UNIX format before anything is touched 79 | if $cygwin ; then 80 | [ -n "$JAVA_HOME" ] && 81 | JAVA_HOME=$(cygpath --unix "$JAVA_HOME") 82 | [ -n "$CLASSPATH" ] && 83 | CLASSPATH=$(cygpath --path --unix "$CLASSPATH") 84 | fi 85 | 86 | # For Mingw, ensure paths are in UNIX format before anything is touched 87 | if $mingw ; then 88 | [ -n "$JAVA_HOME" ] && [ -d "$JAVA_HOME" ] && 89 | JAVA_HOME="$(cd "$JAVA_HOME" || (echo "cannot cd into $JAVA_HOME."; exit 1); pwd)" 90 | fi 91 | 92 | if [ -z "$JAVA_HOME" ]; then 93 | javaExecutable="$(which javac)" 94 | if [ -n "$javaExecutable" ] && ! [ "$(expr "\"$javaExecutable\"" : '\([^ ]*\)')" = "no" ]; then 95 | # readlink(1) is not available as standard on Solaris 10. 96 | readLink=$(which readlink) 97 | if [ ! "$(expr "$readLink" : '\([^ ]*\)')" = "no" ]; then 98 | if $darwin ; then 99 | javaHome="$(dirname "\"$javaExecutable\"")" 100 | javaExecutable="$(cd "\"$javaHome\"" && pwd -P)/javac" 101 | else 102 | javaExecutable="$(readlink -f "\"$javaExecutable\"")" 103 | fi 104 | javaHome="$(dirname "\"$javaExecutable\"")" 105 | javaHome=$(expr "$javaHome" : '\(.*\)/bin') 106 | JAVA_HOME="$javaHome" 107 | export JAVA_HOME 108 | fi 109 | fi 110 | fi 111 | 112 | if [ -z "$JAVACMD" ] ; then 113 | if [ -n "$JAVA_HOME" ] ; then 114 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 115 | # IBM's JDK on AIX uses strange locations for the executables 116 | JAVACMD="$JAVA_HOME/jre/sh/java" 117 | else 118 | JAVACMD="$JAVA_HOME/bin/java" 119 | fi 120 | else 121 | JAVACMD="$(\unset -f command 2>/dev/null; \command -v java)" 122 | fi 123 | fi 124 | 125 | if [ ! -x "$JAVACMD" ] ; then 126 | echo "Error: JAVA_HOME is not defined correctly." >&2 127 | echo " We cannot execute $JAVACMD" >&2 128 | exit 1 129 | fi 130 | 131 | if [ -z "$JAVA_HOME" ] ; then 132 | echo "Warning: JAVA_HOME environment variable is not set." 133 | fi 134 | 135 | # traverses directory structure from process work directory to filesystem root 136 | # first directory with .mvn subdirectory is considered project base directory 137 | find_maven_basedir() { 138 | if [ -z "$1" ] 139 | then 140 | echo "Path not specified to find_maven_basedir" 141 | return 1 142 | fi 143 | 144 | basedir="$1" 145 | wdir="$1" 146 | while [ "$wdir" != '/' ] ; do 147 | if [ -d "$wdir"/.mvn ] ; then 148 | basedir=$wdir 149 | break 150 | fi 151 | # workaround for JBEAP-8937 (on Solaris 10/Sparc) 152 | if [ -d "${wdir}" ]; then 153 | wdir=$(cd "$wdir/.." || exit 1; pwd) 154 | fi 155 | # end of workaround 156 | done 157 | printf '%s' "$(cd "$basedir" || exit 1; pwd)" 158 | } 159 | 160 | # concatenates all lines of a file 161 | concat_lines() { 162 | if [ -f "$1" ]; then 163 | # Remove \r in case we run on Windows within Git Bash 164 | # and check out the repository with auto CRLF management 165 | # enabled. Otherwise, we may read lines that are delimited with 166 | # \r\n and produce $'-Xarg\r' rather than -Xarg due to word 167 | # splitting rules. 168 | tr -s '\r\n' ' ' < "$1" 169 | fi 170 | } 171 | 172 | log() { 173 | if [ "$MVNW_VERBOSE" = true ]; then 174 | printf '%s\n' "$1" 175 | fi 176 | } 177 | 178 | BASE_DIR=$(find_maven_basedir "$(dirname "$0")") 179 | if [ -z "$BASE_DIR" ]; then 180 | exit 1; 181 | fi 182 | 183 | MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}; export MAVEN_PROJECTBASEDIR 184 | log "$MAVEN_PROJECTBASEDIR" 185 | 186 | ########################################################################################## 187 | # Extension to allow automatically downloading the maven-wrapper.jar from Maven-central 188 | # This allows using the maven wrapper in projects that prohibit checking in binary data. 189 | ########################################################################################## 190 | wrapperJarPath="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" 191 | if [ -r "$wrapperJarPath" ]; then 192 | log "Found $wrapperJarPath" 193 | else 194 | log "Couldn't find $wrapperJarPath, downloading it ..." 195 | 196 | if [ -n "$MVNW_REPOURL" ]; then 197 | wrapperUrl="$MVNW_REPOURL/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar" 198 | else 199 | wrapperUrl="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar" 200 | fi 201 | while IFS="=" read -r key value; do 202 | # Remove '\r' from value to allow usage on windows as IFS does not consider '\r' as a separator ( considers space, tab, new line ('\n'), and custom '=' ) 203 | safeValue=$(echo "$value" | tr -d '\r') 204 | case "$key" in (wrapperUrl) wrapperUrl="$safeValue"; break ;; 205 | esac 206 | done < "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.properties" 207 | log "Downloading from: $wrapperUrl" 208 | 209 | if $cygwin; then 210 | wrapperJarPath=$(cygpath --path --windows "$wrapperJarPath") 211 | fi 212 | 213 | if command -v wget > /dev/null; then 214 | log "Found wget ... using wget" 215 | [ "$MVNW_VERBOSE" = true ] && QUIET="" || QUIET="--quiet" 216 | if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then 217 | wget $QUIET "$wrapperUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath" 218 | else 219 | wget $QUIET --http-user="$MVNW_USERNAME" --http-password="$MVNW_PASSWORD" "$wrapperUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath" 220 | fi 221 | elif command -v curl > /dev/null; then 222 | log "Found curl ... using curl" 223 | [ "$MVNW_VERBOSE" = true ] && QUIET="" || QUIET="--silent" 224 | if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then 225 | curl $QUIET -o "$wrapperJarPath" "$wrapperUrl" -f -L || rm -f "$wrapperJarPath" 226 | else 227 | curl $QUIET --user "$MVNW_USERNAME:$MVNW_PASSWORD" -o "$wrapperJarPath" "$wrapperUrl" -f -L || rm -f "$wrapperJarPath" 228 | fi 229 | else 230 | log "Falling back to using Java to download" 231 | javaSource="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/MavenWrapperDownloader.java" 232 | javaClass="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/MavenWrapperDownloader.class" 233 | # For Cygwin, switch paths to Windows format before running javac 234 | if $cygwin; then 235 | javaSource=$(cygpath --path --windows "$javaSource") 236 | javaClass=$(cygpath --path --windows "$javaClass") 237 | fi 238 | if [ -e "$javaSource" ]; then 239 | if [ ! -e "$javaClass" ]; then 240 | log " - Compiling MavenWrapperDownloader.java ..." 241 | ("$JAVA_HOME/bin/javac" "$javaSource") 242 | fi 243 | if [ -e "$javaClass" ]; then 244 | log " - Running MavenWrapperDownloader.java ..." 245 | ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$wrapperUrl" "$wrapperJarPath") || rm -f "$wrapperJarPath" 246 | fi 247 | fi 248 | fi 249 | fi 250 | ########################################################################################## 251 | # End of extension 252 | ########################################################################################## 253 | 254 | # If specified, validate the SHA-256 sum of the Maven wrapper jar file 255 | wrapperSha256Sum="" 256 | while IFS="=" read -r key value; do 257 | case "$key" in (wrapperSha256Sum) wrapperSha256Sum=$value; break ;; 258 | esac 259 | done < "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.properties" 260 | if [ -n "$wrapperSha256Sum" ]; then 261 | wrapperSha256Result=false 262 | if command -v sha256sum > /dev/null; then 263 | if echo "$wrapperSha256Sum $wrapperJarPath" | sha256sum -c > /dev/null 2>&1; then 264 | wrapperSha256Result=true 265 | fi 266 | elif command -v shasum > /dev/null; then 267 | if echo "$wrapperSha256Sum $wrapperJarPath" | shasum -a 256 -c > /dev/null 2>&1; then 268 | wrapperSha256Result=true 269 | fi 270 | else 271 | echo "Checksum validation was requested but neither 'sha256sum' or 'shasum' are available." 272 | echo "Please install either command, or disable validation by removing 'wrapperSha256Sum' from your maven-wrapper.properties." 273 | exit 1 274 | fi 275 | if [ $wrapperSha256Result = false ]; then 276 | echo "Error: Failed to validate Maven wrapper SHA-256, your Maven wrapper might be compromised." >&2 277 | echo "Investigate or delete $wrapperJarPath to attempt a clean download." >&2 278 | echo "If you updated your Maven version, you need to update the specified wrapperSha256Sum property." >&2 279 | exit 1 280 | fi 281 | fi 282 | 283 | MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS" 284 | 285 | # For Cygwin, switch paths to Windows format before running java 286 | if $cygwin; then 287 | [ -n "$JAVA_HOME" ] && 288 | JAVA_HOME=$(cygpath --path --windows "$JAVA_HOME") 289 | [ -n "$CLASSPATH" ] && 290 | CLASSPATH=$(cygpath --path --windows "$CLASSPATH") 291 | [ -n "$MAVEN_PROJECTBASEDIR" ] && 292 | MAVEN_PROJECTBASEDIR=$(cygpath --path --windows "$MAVEN_PROJECTBASEDIR") 293 | fi 294 | 295 | # Provide a "standardized" way to retrieve the CLI args that will 296 | # work with both Windows and non-Windows executions. 297 | MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $*" 298 | export MAVEN_CMD_LINE_ARGS 299 | 300 | WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain 301 | 302 | # shellcheck disable=SC2086 # safe args 303 | exec "$JAVACMD" \ 304 | $MAVEN_OPTS \ 305 | $MAVEN_DEBUG_OPTS \ 306 | -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \ 307 | "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \ 308 | ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@" 309 | -------------------------------------------------------------------------------- /mvnw.cmd: -------------------------------------------------------------------------------- 1 | @REM ---------------------------------------------------------------------------- 2 | @REM Licensed to the Apache Software Foundation (ASF) under one 3 | @REM or more contributor license agreements. See the NOTICE file 4 | @REM distributed with this work for additional information 5 | @REM regarding copyright ownership. The ASF licenses this file 6 | @REM to you under the Apache License, Version 2.0 (the 7 | @REM "License"); you may not use this file except in compliance 8 | @REM with the License. You may obtain a copy of the License at 9 | @REM 10 | @REM https://www.apache.org/licenses/LICENSE-2.0 11 | @REM 12 | @REM Unless required by applicable law or agreed to in writing, 13 | @REM software distributed under the License is distributed on an 14 | @REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 | @REM KIND, either express or implied. See the License for the 16 | @REM specific language governing permissions and limitations 17 | @REM under the License. 18 | @REM ---------------------------------------------------------------------------- 19 | 20 | @REM ---------------------------------------------------------------------------- 21 | @REM Apache Maven Wrapper startup batch script, version 3.2.0 22 | @REM 23 | @REM Required ENV vars: 24 | @REM JAVA_HOME - location of a JDK home dir 25 | @REM 26 | @REM Optional ENV vars 27 | @REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands 28 | @REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending 29 | @REM MAVEN_OPTS - parameters passed to the Java VM when running Maven 30 | @REM e.g. to debug Maven itself, use 31 | @REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 32 | @REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files 33 | @REM ---------------------------------------------------------------------------- 34 | 35 | @REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on' 36 | @echo off 37 | @REM set title of command window 38 | title %0 39 | @REM enable echoing by setting MAVEN_BATCH_ECHO to 'on' 40 | @if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO% 41 | 42 | @REM set %HOME% to equivalent of $HOME 43 | if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%") 44 | 45 | @REM Execute a user defined script before this one 46 | if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre 47 | @REM check for pre script, once with legacy .bat ending and once with .cmd ending 48 | if exist "%USERPROFILE%\mavenrc_pre.bat" call "%USERPROFILE%\mavenrc_pre.bat" %* 49 | if exist "%USERPROFILE%\mavenrc_pre.cmd" call "%USERPROFILE%\mavenrc_pre.cmd" %* 50 | :skipRcPre 51 | 52 | @setlocal 53 | 54 | set ERROR_CODE=0 55 | 56 | @REM To isolate internal variables from possible post scripts, we use another setlocal 57 | @setlocal 58 | 59 | @REM ==== START VALIDATION ==== 60 | if not "%JAVA_HOME%" == "" goto OkJHome 61 | 62 | echo. 63 | echo Error: JAVA_HOME not found in your environment. >&2 64 | echo Please set the JAVA_HOME variable in your environment to match the >&2 65 | echo location of your Java installation. >&2 66 | echo. 67 | goto error 68 | 69 | :OkJHome 70 | if exist "%JAVA_HOME%\bin\java.exe" goto init 71 | 72 | echo. 73 | echo Error: JAVA_HOME is set to an invalid directory. >&2 74 | echo JAVA_HOME = "%JAVA_HOME%" >&2 75 | echo Please set the JAVA_HOME variable in your environment to match the >&2 76 | echo location of your Java installation. >&2 77 | echo. 78 | goto error 79 | 80 | @REM ==== END VALIDATION ==== 81 | 82 | :init 83 | 84 | @REM Find the project base dir, i.e. the directory that contains the folder ".mvn". 85 | @REM Fallback to current working directory if not found. 86 | 87 | set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR% 88 | IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir 89 | 90 | set EXEC_DIR=%CD% 91 | set WDIR=%EXEC_DIR% 92 | :findBaseDir 93 | IF EXIST "%WDIR%"\.mvn goto baseDirFound 94 | cd .. 95 | IF "%WDIR%"=="%CD%" goto baseDirNotFound 96 | set WDIR=%CD% 97 | goto findBaseDir 98 | 99 | :baseDirFound 100 | set MAVEN_PROJECTBASEDIR=%WDIR% 101 | cd "%EXEC_DIR%" 102 | goto endDetectBaseDir 103 | 104 | :baseDirNotFound 105 | set MAVEN_PROJECTBASEDIR=%EXEC_DIR% 106 | cd "%EXEC_DIR%" 107 | 108 | :endDetectBaseDir 109 | 110 | IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig 111 | 112 | @setlocal EnableExtensions EnableDelayedExpansion 113 | for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a 114 | @endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS% 115 | 116 | :endReadAdditionalConfig 117 | 118 | SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe" 119 | set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar" 120 | set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain 121 | 122 | set WRAPPER_URL="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar" 123 | 124 | FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO ( 125 | IF "%%A"=="wrapperUrl" SET WRAPPER_URL=%%B 126 | ) 127 | 128 | @REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central 129 | @REM This allows using the maven wrapper in projects that prohibit checking in binary data. 130 | if exist %WRAPPER_JAR% ( 131 | if "%MVNW_VERBOSE%" == "true" ( 132 | echo Found %WRAPPER_JAR% 133 | ) 134 | ) else ( 135 | if not "%MVNW_REPOURL%" == "" ( 136 | SET WRAPPER_URL="%MVNW_REPOURL%/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar" 137 | ) 138 | if "%MVNW_VERBOSE%" == "true" ( 139 | echo Couldn't find %WRAPPER_JAR%, downloading it ... 140 | echo Downloading from: %WRAPPER_URL% 141 | ) 142 | 143 | powershell -Command "&{"^ 144 | "$webclient = new-object System.Net.WebClient;"^ 145 | "if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^ 146 | "$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^ 147 | "}"^ 148 | "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%WRAPPER_URL%', '%WRAPPER_JAR%')"^ 149 | "}" 150 | if "%MVNW_VERBOSE%" == "true" ( 151 | echo Finished downloading %WRAPPER_JAR% 152 | ) 153 | ) 154 | @REM End of extension 155 | 156 | @REM If specified, validate the SHA-256 sum of the Maven wrapper jar file 157 | SET WRAPPER_SHA_256_SUM="" 158 | FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO ( 159 | IF "%%A"=="wrapperSha256Sum" SET WRAPPER_SHA_256_SUM=%%B 160 | ) 161 | IF NOT %WRAPPER_SHA_256_SUM%=="" ( 162 | powershell -Command "&{"^ 163 | "$hash = (Get-FileHash \"%WRAPPER_JAR%\" -Algorithm SHA256).Hash.ToLower();"^ 164 | "If('%WRAPPER_SHA_256_SUM%' -ne $hash){"^ 165 | " Write-Output 'Error: Failed to validate Maven wrapper SHA-256, your Maven wrapper might be compromised.';"^ 166 | " Write-Output 'Investigate or delete %WRAPPER_JAR% to attempt a clean download.';"^ 167 | " Write-Output 'If you updated your Maven version, you need to update the specified wrapperSha256Sum property.';"^ 168 | " exit 1;"^ 169 | "}"^ 170 | "}" 171 | if ERRORLEVEL 1 goto error 172 | ) 173 | 174 | @REM Provide a "standardized" way to retrieve the CLI args that will 175 | @REM work with both Windows and non-Windows executions. 176 | set MAVEN_CMD_LINE_ARGS=%* 177 | 178 | %MAVEN_JAVA_EXE% ^ 179 | %JVM_CONFIG_MAVEN_PROPS% ^ 180 | %MAVEN_OPTS% ^ 181 | %MAVEN_DEBUG_OPTS% ^ 182 | -classpath %WRAPPER_JAR% ^ 183 | "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" ^ 184 | %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %* 185 | if ERRORLEVEL 1 goto error 186 | goto end 187 | 188 | :error 189 | set ERROR_CODE=1 190 | 191 | :end 192 | @endlocal & set ERROR_CODE=%ERROR_CODE% 193 | 194 | if not "%MAVEN_SKIP_RC%"=="" goto skipRcPost 195 | @REM check for post script, once with legacy .bat ending and once with .cmd ending 196 | if exist "%USERPROFILE%\mavenrc_post.bat" call "%USERPROFILE%\mavenrc_post.bat" 197 | if exist "%USERPROFILE%\mavenrc_post.cmd" call "%USERPROFILE%\mavenrc_post.cmd" 198 | :skipRcPost 199 | 200 | @REM pause the script if MAVEN_BATCH_PAUSE is set to 'on' 201 | if "%MAVEN_BATCH_PAUSE%"=="on" pause 202 | 203 | if "%MAVEN_TERMINATE_CMD%"=="on" exit %ERROR_CODE% 204 | 205 | cmd /C exit /B %ERROR_CODE% 206 | -------------------------------------------------------------------------------- /pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 4.0.0 5 | 6 | org.springframework.boot 7 | spring-boot-starter-parent 8 | 3.2.3 9 | 10 | 11 | com.example 12 | high-performance-spring-data-jpa 13 | 0.0.1-SNAPSHOT 14 | high-performance-spring-data-jpa 15 | high-performance-spring-data-jpa 16 | 17 | 17 18 | 19 | 20 | 21 | org.springframework.boot 22 | spring-boot-starter-data-jpa 23 | 24 | 25 | org.springframework.boot 26 | spring-boot-starter-web 27 | 28 | 29 | 30 | com.github.gavlyukovskiy 31 | datasource-proxy-spring-boot-starter 32 | 1.9.1 33 | 34 | 35 | com.github.gavlyukovskiy 36 | flexy-pool-spring-boot-starter 37 | 1.9.1 38 | 39 | 40 | org.quickperf 41 | quick-perf-junit5 42 | 1.1.0 43 | test 44 | 45 | 46 | org.quickperf 47 | quick-perf-springboot2-sql-starter 48 | 1.1.0 49 | test 50 | 51 | 52 | org.postgresql 53 | postgresql 54 | runtime 55 | 56 | 57 | org.springframework.boot 58 | spring-boot-starter-test 59 | test 60 | 61 | 62 | org.springframework.boot 63 | spring-boot-testcontainers 64 | test 65 | 66 | 67 | org.testcontainers 68 | junit-jupiter 69 | test 70 | 71 | 72 | org.testcontainers 73 | postgresql 74 | test 75 | 76 | 77 | 78 | 79 | 80 | 81 | org.springframework.boot 82 | spring-boot-maven-plugin 83 | 84 | 85 | 86 | 87 | 88 | -------------------------------------------------------------------------------- /readme.md: -------------------------------------------------------------------------------- 1 | # Performance Oriented Spring Data JPA & Hibernate 2 | 3 | This repository contains code for the talk I gave at [Voxxed Days Zurich](https://voxxeddays.com/zurich/): "Performance Oriented Spring Data JPA & Hibernate" 4 | 5 | [![Performance Oriented Spring Data JPA & Hibernate](https://img.youtube.com/vi/exqfB1WaqIw/0.jpg)](https://www.youtube.com/watch?v=exqfB1WaqIw) 6 | 7 | - [YouTube](https://www.youtube.com/watch?v=exqfB1WaqIw) 8 | - [Slides](https://speakerdeck.com/maciejwalkowiak/performance-oriented-spring-data-jpa-and-hibernate) 9 | 10 | `main` branch contains initial code, without changes. `complete` branch has all fixes made during the talk applied. 11 | 12 | Resources used or mentioned in the talk: 13 | 14 | - [Flexy Pool](https://github.com/vladmihalcea/flexy-pool) 15 | - [Digma AI](https://digma.ai/) 16 | - [Spring Boot DataSource Decorator](https://github.com/gavlyukovskiy/spring-boot-data-source-decorator) 17 | - [QuickPerf](https://github.com/quick-perf/quickperf/) 18 | - [Hypersistence Optimizer](https://vladmihalcea.com/hypersistence-optimizer/) 19 | - [Vlad's blog](https://vladmihalcea.com/blog/) 20 | - [Thorben's blog](https://thorben-janssen.com/) -------------------------------------------------------------------------------- /src/main/java/com/example/App.java: -------------------------------------------------------------------------------- 1 | package com.example; 2 | 3 | import org.springframework.boot.SpringApplication; 4 | import org.springframework.boot.autoconfigure.SpringBootApplication; 5 | 6 | @SpringBootApplication 7 | public class App { 8 | 9 | public static void main(String[] args) { 10 | SpringApplication.run(App.class, args); 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /src/main/java/com/example/AssignPhoneNumberUseCase.java: -------------------------------------------------------------------------------- 1 | package com.example; 2 | 3 | import com.example.domain.Account; 4 | import com.example.domain.AccountRepository; 5 | import com.example.domain.PhoneNumber; 6 | 7 | import org.springframework.stereotype.Service; 8 | import org.springframework.transaction.annotation.Transactional; 9 | 10 | @Service 11 | public class AssignPhoneNumberUseCase { 12 | private final AccountRepository accountRepository; 13 | 14 | public AssignPhoneNumberUseCase(AccountRepository accountRepository) { 15 | this.accountRepository = accountRepository; 16 | } 17 | 18 | @Transactional 19 | public void execute(String accountId, PhoneNumber phoneNumber) { 20 | Account account = accountRepository.findByIdOrThrow(accountId); 21 | account.addPhoneNumber(phoneNumber); 22 | accountRepository.save(account); 23 | 24 | } 25 | } 26 | -------------------------------------------------------------------------------- /src/main/java/com/example/GenerateReportUseCase.java: -------------------------------------------------------------------------------- 1 | package com.example; 2 | 3 | import com.example.domain.BankTransfer; 4 | import com.example.domain.BankTransferRepository; 5 | import org.springframework.stereotype.Service; 6 | import org.springframework.transaction.annotation.Transactional; 7 | 8 | import java.util.List; 9 | 10 | @Service 11 | public class GenerateReportUseCase { 12 | private final BankTransferRepository bankTransferRepository; 13 | 14 | public GenerateReportUseCase(BankTransferRepository bankTransferRepository) { 15 | this.bankTransferRepository = bankTransferRepository; 16 | } 17 | 18 | @Transactional 19 | public void execute(String senderId) { 20 | List entries = bankTransferRepository.findBySenderId(senderId); 21 | 22 | for (BankTransfer sentTransfer : entries) { 23 | System.out.println(sentTransfer.getReceiver().getIban()); 24 | } 25 | } 26 | } 27 | -------------------------------------------------------------------------------- /src/main/java/com/example/RegisterBankTransferUseCase.java: -------------------------------------------------------------------------------- 1 | package com.example; 2 | 3 | import com.example.domain.Account; 4 | import com.example.domain.AccountRepository; 5 | import com.example.domain.Amount; 6 | import com.example.domain.BankTransfer; 7 | import com.example.domain.BankTransferRepository; 8 | 9 | import org.springframework.stereotype.Service; 10 | 11 | @Service 12 | public class RegisterBankTransferUseCase { 13 | private final AccountRepository accountRepository; 14 | private final BankTransferRepository bankTransferRepository; 15 | 16 | public RegisterBankTransferUseCase(AccountRepository accountRepository, BankTransferRepository bankTransferRepository) { 17 | this.accountRepository = accountRepository; 18 | this.bankTransferRepository = bankTransferRepository; 19 | } 20 | 21 | public void execute(String bankTransferId, String reference, String senderId, String receiverId, Amount amount) { 22 | Account sender = accountRepository.findByIdOrThrow(senderId); 23 | Account receiver = accountRepository.findByIdOrThrow(receiverId); 24 | 25 | BankTransfer bankTransfer = new BankTransfer(bankTransferId, reference, sender, receiver, amount); 26 | bankTransferRepository.save(bankTransfer); 27 | } 28 | } 29 | -------------------------------------------------------------------------------- /src/main/java/com/example/SettleBankTransferUseCase.java: -------------------------------------------------------------------------------- 1 | package com.example; 2 | 3 | import com.example.domain.BankTransfer; 4 | import com.example.domain.BankTransferRepository; 5 | 6 | import org.springframework.stereotype.Service; 7 | 8 | @Service 9 | public class SettleBankTransferUseCase { 10 | private final BankTransferRepository bankTransferRepository; 11 | 12 | public SettleBankTransferUseCase(BankTransferRepository bankTransferRepository) { 13 | this.bankTransferRepository = bankTransferRepository; 14 | } 15 | 16 | public void execute(String bankTransferId) { 17 | BankTransfer bankTransfer = bankTransferRepository.findByIdOrThrow(bankTransferId); 18 | bankTransfer.settle(); 19 | bankTransferRepository.save(bankTransfer); 20 | } 21 | } 22 | -------------------------------------------------------------------------------- /src/main/java/com/example/connections/AnotherService.java: -------------------------------------------------------------------------------- 1 | package com.example.connections; 2 | 3 | import org.springframework.stereotype.Service; 4 | import org.springframework.transaction.annotation.Propagation; 5 | import org.springframework.transaction.annotation.Transactional; 6 | 7 | @Service 8 | public class AnotherService { 9 | private final PersonRepository personRepository; 10 | 11 | public AnotherService(PersonRepository personRepository) { 12 | this.personRepository = personRepository; 13 | } 14 | 15 | @Transactional(propagation = Propagation.REQUIRES_NEW) 16 | public void runsInNewTransaction() { 17 | System.out.println(personRepository.findAll()); 18 | Sleep.sleep(400); 19 | } 20 | } 21 | -------------------------------------------------------------------------------- /src/main/java/com/example/connections/ExternalService.java: -------------------------------------------------------------------------------- 1 | package com.example.connections; 2 | 3 | import org.springframework.stereotype.Service; 4 | 5 | @Service 6 | public class ExternalService { 7 | 8 | public void externalCall() { 9 | Sleep.sleep(200); 10 | } 11 | } 12 | -------------------------------------------------------------------------------- /src/main/java/com/example/connections/Person.java: -------------------------------------------------------------------------------- 1 | package com.example.connections; 2 | 3 | import jakarta.persistence.Entity; 4 | import jakarta.persistence.Id; 5 | import org.hibernate.annotations.UuidGenerator; 6 | 7 | @Entity 8 | public class Person { 9 | 10 | @Id 11 | @UuidGenerator 12 | private String id; 13 | } 14 | -------------------------------------------------------------------------------- /src/main/java/com/example/connections/PersonRepository.java: -------------------------------------------------------------------------------- 1 | package com.example.connections; 2 | 3 | import org.springframework.data.repository.ListCrudRepository; 4 | 5 | public interface PersonRepository extends ListCrudRepository { 6 | } 7 | -------------------------------------------------------------------------------- /src/main/java/com/example/connections/SampleController.java: -------------------------------------------------------------------------------- 1 | package com.example.connections; 2 | 3 | import org.springframework.web.bind.annotation.GetMapping; 4 | import org.springframework.web.bind.annotation.RestController; 5 | 6 | @RestController 7 | public class SampleController { 8 | private final SampleService sampleService; 9 | private final ExternalService externalService; 10 | 11 | public SampleController(SampleService sampleService, ExternalService externalService) { 12 | this.sampleService = sampleService; 13 | this.externalService = externalService; 14 | } 15 | 16 | @GetMapping("/hello") 17 | void hello() { 18 | sampleService.hello(); 19 | externalService.externalCall(); 20 | } 21 | 22 | @GetMapping("/external") 23 | void external() { 24 | sampleService.withExternalServiceCall(); 25 | } 26 | 27 | @GetMapping("/external-after") 28 | void externalAfter() { 29 | sampleService.withExternalServiceCallAfter(); 30 | } 31 | 32 | @GetMapping("/nested") 33 | void nested() { 34 | sampleService.withNestedTransaction(); 35 | } 36 | } 37 | -------------------------------------------------------------------------------- /src/main/java/com/example/connections/SampleService.java: -------------------------------------------------------------------------------- 1 | package com.example.connections; 2 | 3 | import org.springframework.stereotype.Service; 4 | import org.springframework.transaction.annotation.Transactional; 5 | 6 | @Service 7 | public class SampleService { 8 | private final AnotherService anotherService; 9 | private final PersonRepository personRepository; 10 | private final ExternalService externalService; 11 | 12 | public SampleService(AnotherService anotherService, PersonRepository personRepository, ExternalService externalService) { 13 | this.anotherService = anotherService; 14 | this.personRepository = personRepository; 15 | this.externalService = externalService; 16 | } 17 | 18 | @Transactional 19 | public void hello() { 20 | System.out.println(personRepository.findAll()); 21 | } 22 | 23 | @Transactional 24 | public void withExternalServiceCall() { 25 | externalService.externalCall(); 26 | System.out.println(personRepository.findAll()); 27 | } 28 | 29 | @Transactional 30 | public void withExternalServiceCallAfter() { 31 | System.out.println(personRepository.findAll()); 32 | externalService.externalCall(); 33 | } 34 | 35 | @Transactional 36 | public void withNestedTransaction() { 37 | System.out.println(personRepository.findAll()); 38 | anotherService.runsInNewTransaction(); 39 | } 40 | } 41 | -------------------------------------------------------------------------------- /src/main/java/com/example/connections/Sleep.java: -------------------------------------------------------------------------------- 1 | package com.example.connections; 2 | 3 | public class Sleep { 4 | 5 | static void sleep(long millis) { 6 | try { 7 | Thread.sleep(millis); 8 | } catch (InterruptedException e) { 9 | throw new RuntimeException(e); 10 | } 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /src/main/java/com/example/domain/Account.java: -------------------------------------------------------------------------------- 1 | package com.example.domain; 2 | 3 | import java.util.ArrayList; 4 | import java.util.List; 5 | 6 | import jakarta.persistence.CollectionTable; 7 | import jakarta.persistence.ElementCollection; 8 | import jakarta.persistence.Entity; 9 | import jakarta.persistence.Id; 10 | import jakarta.persistence.JoinColumn; 11 | 12 | @Entity 13 | public class Account { 14 | @Id 15 | private String id; 16 | 17 | private String iban; 18 | 19 | private String firstName; 20 | private String lastName; 21 | 22 | @ElementCollection 23 | @CollectionTable( 24 | name = "phone_number", 25 | joinColumns = @JoinColumn(name = "account_id") 26 | ) 27 | private List phoneNumbers; 28 | 29 | public Account() { 30 | } 31 | 32 | public Account(String id, String iban, String firstName, String lastName) { 33 | this.id = id; 34 | this.iban = iban; 35 | this.firstName = firstName; 36 | this.lastName = lastName; 37 | this.phoneNumbers = new ArrayList<>(); 38 | } 39 | 40 | public void addPhoneNumber(PhoneNumber phoneNumber) { 41 | if (!phoneNumbers.contains(phoneNumber)) { 42 | this.phoneNumbers.add(phoneNumber); 43 | } 44 | } 45 | 46 | public String getId() { 47 | return id; 48 | } 49 | 50 | public String getIban() { 51 | return iban; 52 | } 53 | 54 | public List getPhoneNumbers() { 55 | return phoneNumbers; 56 | } 57 | 58 | public String getFirstName() { 59 | return firstName; 60 | } 61 | 62 | public String getLastName() { 63 | return lastName; 64 | } 65 | } 66 | -------------------------------------------------------------------------------- /src/main/java/com/example/domain/AccountRepository.java: -------------------------------------------------------------------------------- 1 | package com.example.domain; 2 | 3 | import org.springframework.data.jpa.repository.JpaRepository; 4 | 5 | public interface AccountRepository extends JpaRepository { 6 | default Account findByIdOrThrow(String id) { 7 | return findById(id).orElseThrow(); 8 | } 9 | } 10 | -------------------------------------------------------------------------------- /src/main/java/com/example/domain/Amount.java: -------------------------------------------------------------------------------- 1 | package com.example.domain; 2 | 3 | import java.math.BigDecimal; 4 | import java.util.Currency; 5 | 6 | import jakarta.persistence.Embeddable; 7 | 8 | @Embeddable 9 | public record Amount(BigDecimal value, Currency currencyCode) { 10 | public static Amount of(int value, String code) { 11 | return new Amount(BigDecimal.valueOf(value), Currency.getInstance(code)); 12 | } 13 | } 14 | -------------------------------------------------------------------------------- /src/main/java/com/example/domain/BankTransfer.java: -------------------------------------------------------------------------------- 1 | package com.example.domain; 2 | 3 | import jakarta.persistence.Embedded; 4 | import jakarta.persistence.Entity; 5 | import jakarta.persistence.EnumType; 6 | import jakarta.persistence.Enumerated; 7 | import jakarta.persistence.Id; 8 | import jakarta.persistence.ManyToOne; 9 | 10 | @Entity 11 | public class BankTransfer { 12 | public enum State { 13 | CREATED, 14 | SETTLED 15 | } 16 | @Id 17 | private String id; 18 | 19 | private String reference; 20 | 21 | @ManyToOne 22 | private Account sender; 23 | 24 | @ManyToOne 25 | private Account receiver; 26 | 27 | @Embedded 28 | private Amount amount; 29 | 30 | @Enumerated(EnumType.STRING) 31 | private State state; 32 | 33 | public BankTransfer() { 34 | } 35 | 36 | public BankTransfer(String id, String reference, Account sender, Account receiver, Amount amount) { 37 | this.id = id; 38 | this.reference = reference; 39 | this.sender = sender; 40 | this.receiver = receiver; 41 | this.amount = amount; 42 | this.state = State.CREATED; 43 | } 44 | 45 | public void settle() { 46 | this.state = State.SETTLED; 47 | } 48 | 49 | public String getId() { 50 | return id; 51 | } 52 | 53 | public Account getSender() { 54 | return sender; 55 | } 56 | 57 | public Account getReceiver() { 58 | return receiver; 59 | } 60 | 61 | public Amount getAmount() { 62 | return amount; 63 | } 64 | 65 | public State getState() { 66 | return state; 67 | } 68 | 69 | public String getReference() { 70 | return reference; 71 | } 72 | } 73 | -------------------------------------------------------------------------------- /src/main/java/com/example/domain/BankTransferRepository.java: -------------------------------------------------------------------------------- 1 | package com.example.domain; 2 | 3 | import java.util.List; 4 | 5 | import org.springframework.data.repository.ListCrudRepository; 6 | 7 | public interface BankTransferRepository extends ListCrudRepository { 8 | default BankTransfer findByIdOrThrow(String id) { 9 | return findById(id).orElseThrow(); 10 | } 11 | 12 | List findBySenderId(String senderId); 13 | } 14 | -------------------------------------------------------------------------------- /src/main/java/com/example/domain/PhoneNumber.java: -------------------------------------------------------------------------------- 1 | package com.example.domain; 2 | 3 | import jakarta.persistence.Embeddable; 4 | import jakarta.persistence.EnumType; 5 | import jakarta.persistence.Enumerated; 6 | 7 | @Embeddable 8 | public record PhoneNumber(String number, @Enumerated(EnumType.STRING) Type type) { 9 | public enum Type { 10 | HOME, 11 | WORK 12 | } 13 | } 14 | -------------------------------------------------------------------------------- /src/main/resources/application.properties: -------------------------------------------------------------------------------- 1 | spring.jpa.hibernate.ddl-auto=create 2 | spring.jpa.show-sql=true 3 | 4 | decorator.datasource.flexy-pool.threshold.connection.acquire=-1 5 | decorator.datasource.flexy-pool.threshold.connection.lease=0 6 | -------------------------------------------------------------------------------- /src/test/java/com/example/AppTestConfiguration.java: -------------------------------------------------------------------------------- 1 | package com.example; 2 | 3 | import java.util.UUID; 4 | 5 | import com.example.domain.Account; 6 | import com.example.domain.AccountRepository; 7 | import com.example.domain.Amount; 8 | import com.example.domain.BankTransfer; 9 | import com.example.domain.BankTransferRepository; 10 | import com.example.domain.PhoneNumber; 11 | import org.testcontainers.containers.PostgreSQLContainer; 12 | import org.testcontainers.utility.DockerImageName; 13 | 14 | import org.springframework.boot.ApplicationRunner; 15 | import org.springframework.boot.SpringApplication; 16 | import org.springframework.boot.test.context.TestConfiguration; 17 | import org.springframework.boot.testcontainers.service.connection.ServiceConnection; 18 | import org.springframework.context.annotation.Bean; 19 | 20 | @TestConfiguration(proxyBeanMethods = false) 21 | public class AppTestConfiguration { 22 | 23 | @Bean 24 | @ServiceConnection 25 | PostgreSQLContainer postgresContainer() { 26 | return new PostgreSQLContainer<>(DockerImageName.parse("postgres:latest")) 27 | .withReuse(true); 28 | } 29 | 30 | @Bean 31 | ApplicationRunner applicationRunner(AccountRepository accountRepository, BankTransferRepository bankTransferRepository) { 32 | return args -> { 33 | Account sender = new Account("sender-id", "iban1", "John", "Doe"); 34 | sender.addPhoneNumber(new PhoneNumber("111", PhoneNumber.Type.HOME)); 35 | sender = accountRepository.save(sender); 36 | var receiver = accountRepository.save(new Account("receiver-id", "iban2", "John", "Doe")); 37 | 38 | bankTransferRepository.save(new BankTransfer("bank-transfer-id", "reference2", sender, receiver, Amount.of(100, "CHF"))); 39 | 40 | for (int i = 0; i < 50; i++) { 41 | Account account = accountRepository.save(new Account( 42 | UUID.randomUUID().toString(), "iban2", "John", "Doe")); 43 | BankTransfer bankTransfer = new BankTransfer(UUID.randomUUID().toString(), "reference", sender, 44 | account, Amount.of(100, "CHF")); 45 | bankTransferRepository.save(bankTransfer); 46 | } 47 | }; 48 | } 49 | 50 | public static void main(String[] args) { 51 | SpringApplication.from(App::main) 52 | .with(AppTestConfiguration.class) 53 | .run(args); 54 | } 55 | 56 | } 57 | -------------------------------------------------------------------------------- /src/test/java/com/example/AssignPhoneNumberUseCaseTests.java: -------------------------------------------------------------------------------- 1 | package com.example; 2 | 3 | import com.example.domain.PhoneNumber; 4 | import org.junit.jupiter.api.Test; 5 | 6 | import org.springframework.beans.factory.annotation.Autowired; 7 | 8 | @UseCaseTest 9 | class AssignPhoneNumberUseCaseTests { 10 | 11 | @Autowired 12 | private AssignPhoneNumberUseCase useCase; 13 | 14 | @Test 15 | void execute() { 16 | useCase.execute("sender-id", new PhoneNumber("00334455", PhoneNumber.Type.HOME)); 17 | } 18 | 19 | } 20 | -------------------------------------------------------------------------------- /src/test/java/com/example/GenerateReportUseCaseTests.java: -------------------------------------------------------------------------------- 1 | package com.example; 2 | 3 | import org.junit.jupiter.api.Test; 4 | 5 | import org.springframework.beans.factory.annotation.Autowired; 6 | 7 | @UseCaseTest 8 | class GenerateReportUseCaseTests { 9 | 10 | @Autowired 11 | private GenerateReportUseCase useCase; 12 | 13 | @Test 14 | void executes() { 15 | useCase.execute("sender-id"); 16 | } 17 | 18 | } 19 | -------------------------------------------------------------------------------- /src/test/java/com/example/RegisterBankTransferUseCaseTests.java: -------------------------------------------------------------------------------- 1 | package com.example; 2 | 3 | import java.util.UUID; 4 | 5 | import com.example.domain.Amount; 6 | import org.junit.jupiter.api.Test; 7 | 8 | import org.springframework.beans.factory.annotation.Autowired; 9 | 10 | @UseCaseTest 11 | class RegisterBankTransferUseCaseTests { 12 | 13 | @Autowired 14 | private RegisterBankTransferUseCase useCase; 15 | 16 | @Test 17 | void executes() { 18 | useCase.execute(UUID.randomUUID().toString(), "my reference", "sender-id", "receiver-id", Amount.of(10, "EUR")); 19 | } 20 | 21 | } 22 | -------------------------------------------------------------------------------- /src/test/java/com/example/SettleBankTransferUseCaseTests.java: -------------------------------------------------------------------------------- 1 | package com.example; 2 | 3 | import org.junit.jupiter.api.Test; 4 | 5 | import org.springframework.beans.factory.annotation.Autowired; 6 | 7 | @UseCaseTest 8 | class SettleBankTransferUseCaseTests { 9 | 10 | @Autowired 11 | private SettleBankTransferUseCase useCase; 12 | 13 | @Test 14 | void executes() { 15 | useCase.execute("bank-transfer-id"); 16 | } 17 | 18 | } 19 | -------------------------------------------------------------------------------- /src/test/java/com/example/UseCaseTest.java: -------------------------------------------------------------------------------- 1 | package com.example; 2 | 3 | import java.lang.annotation.Documented; 4 | import java.lang.annotation.ElementType; 5 | import java.lang.annotation.Inherited; 6 | import java.lang.annotation.Retention; 7 | import java.lang.annotation.RetentionPolicy; 8 | import java.lang.annotation.Target; 9 | 10 | import org.quickperf.junit5.QuickPerfTest; 11 | import org.quickperf.spring.sql.QuickPerfSqlConfig; 12 | 13 | import org.springframework.boot.test.context.SpringBootTest; 14 | import org.springframework.context.annotation.Import; 15 | 16 | @Target({ ElementType.TYPE}) 17 | @Retention(RetentionPolicy.RUNTIME) 18 | @Documented 19 | @Inherited 20 | @SpringBootTest 21 | @QuickPerfTest 22 | @Import({ AppTestConfiguration.class, QuickPerfSqlConfig.class}) 23 | public @interface UseCaseTest { 24 | } 25 | -------------------------------------------------------------------------------- /src/test/java/com/example/connections/SampleControllerTests.java: -------------------------------------------------------------------------------- 1 | package com.example.connections; 2 | 3 | import com.example.AppTestConfiguration; 4 | import org.junit.jupiter.api.Test; 5 | 6 | import org.springframework.beans.factory.annotation.Autowired; 7 | import org.springframework.boot.test.context.SpringBootTest; 8 | import org.springframework.boot.test.web.client.TestRestTemplate; 9 | import org.springframework.context.annotation.Import; 10 | 11 | @SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT) 12 | @Import(AppTestConfiguration.class) 13 | class SampleControllerTests { 14 | 15 | @Autowired 16 | private TestRestTemplate restTemplate; 17 | 18 | @Test 19 | void hello() { 20 | restTemplate.getForEntity("/hello", Void.class); 21 | } 22 | 23 | @Test 24 | void external() { 25 | restTemplate.getForEntity("/external", Void.class); 26 | } 27 | 28 | @Test 29 | void externalAfter() { 30 | restTemplate.getForEntity("/external-after", Void.class); 31 | } 32 | 33 | @Test 34 | void nested() { 35 | restTemplate.getForEntity("/nested", Void.class); 36 | } 37 | 38 | } 39 | --------------------------------------------------------------------------------