├── .gitignore ├── .mvn └── wrapper │ ├── maven-wrapper.jar │ └── maven-wrapper.properties ├── mvnw ├── mvnw.cmd ├── pom.xml └── src ├── main ├── java │ └── com │ │ └── thehecklers │ │ └── coffeeservicer2dbc │ │ └── CoffeeServiceR2dbcApplication.java └── resources │ └── application.properties └── test └── java └── com └── thehecklers └── coffeeservicer2dbc ├── CoffeeServiceR2dbcApplicationTests.java └── CoffeeServiceTestInternalAPI.java /.gitignore: -------------------------------------------------------------------------------- 1 | /target/ 2 | !.mvn/wrapper/maven-wrapper.jar 3 | 4 | ### STS ### 5 | .apt_generated 6 | .classpath 7 | .factorypath 8 | .project 9 | .settings 10 | .springBeans 11 | .sts4-cache 12 | 13 | ### IntelliJ IDEA ### 14 | .idea 15 | *.iws 16 | *.iml 17 | *.ipr 18 | 19 | ### NetBeans ### 20 | /nbproject/private/ 21 | /build/ 22 | /nbbuild/ 23 | /dist/ 24 | /nbdist/ 25 | /.nb-gradle/ -------------------------------------------------------------------------------- /.mvn/wrapper/maven-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/mkheck/coffee-service-r2dbc/e96c7787f25130c90b63d3a3c610d232a7924164/.mvn/wrapper/maven-wrapper.jar -------------------------------------------------------------------------------- /.mvn/wrapper/maven-wrapper.properties: -------------------------------------------------------------------------------- 1 | distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.5.4/apache-maven-3.5.4-bin.zip 2 | -------------------------------------------------------------------------------- /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 | # http://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 | # Maven2 Start Up Batch script 23 | # 24 | # Required ENV vars: 25 | # ------------------ 26 | # JAVA_HOME - location of a JDK home dir 27 | # 28 | # Optional ENV vars 29 | # ----------------- 30 | # M2_HOME - location of maven2's installed home dir 31 | # MAVEN_OPTS - parameters passed to the Java VM when running Maven 32 | # e.g. to debug Maven itself, use 33 | # set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 34 | # MAVEN_SKIP_RC - flag to disable loading of mavenrc files 35 | # ---------------------------------------------------------------------------- 36 | 37 | if [ -z "$MAVEN_SKIP_RC" ] ; then 38 | 39 | if [ -f /etc/mavenrc ] ; then 40 | . /etc/mavenrc 41 | fi 42 | 43 | if [ -f "$HOME/.mavenrc" ] ; then 44 | . "$HOME/.mavenrc" 45 | fi 46 | 47 | fi 48 | 49 | # OS specific support. $var _must_ be set to either true or false. 50 | cygwin=false; 51 | darwin=false; 52 | mingw=false 53 | case "`uname`" in 54 | CYGWIN*) cygwin=true ;; 55 | MINGW*) mingw=true;; 56 | Darwin*) darwin=true 57 | # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home 58 | # See https://developer.apple.com/library/mac/qa/qa1170/_index.html 59 | if [ -z "$JAVA_HOME" ]; then 60 | if [ -x "/usr/libexec/java_home" ]; then 61 | export JAVA_HOME="`/usr/libexec/java_home`" 62 | else 63 | export JAVA_HOME="/Library/Java/Home" 64 | fi 65 | fi 66 | ;; 67 | esac 68 | 69 | if [ -z "$JAVA_HOME" ] ; then 70 | if [ -r /etc/gentoo-release ] ; then 71 | JAVA_HOME=`java-config --jre-home` 72 | fi 73 | fi 74 | 75 | if [ -z "$M2_HOME" ] ; then 76 | ## resolve links - $0 may be a link to maven's home 77 | PRG="$0" 78 | 79 | # need this for relative symlinks 80 | while [ -h "$PRG" ] ; do 81 | ls=`ls -ld "$PRG"` 82 | link=`expr "$ls" : '.*-> \(.*\)$'` 83 | if expr "$link" : '/.*' > /dev/null; then 84 | PRG="$link" 85 | else 86 | PRG="`dirname "$PRG"`/$link" 87 | fi 88 | done 89 | 90 | saveddir=`pwd` 91 | 92 | M2_HOME=`dirname "$PRG"`/.. 93 | 94 | # make it fully qualified 95 | M2_HOME=`cd "$M2_HOME" && pwd` 96 | 97 | cd "$saveddir" 98 | # echo Using m2 at $M2_HOME 99 | fi 100 | 101 | # For Cygwin, ensure paths are in UNIX format before anything is touched 102 | if $cygwin ; then 103 | [ -n "$M2_HOME" ] && 104 | M2_HOME=`cygpath --unix "$M2_HOME"` 105 | [ -n "$JAVA_HOME" ] && 106 | JAVA_HOME=`cygpath --unix "$JAVA_HOME"` 107 | [ -n "$CLASSPATH" ] && 108 | CLASSPATH=`cygpath --path --unix "$CLASSPATH"` 109 | fi 110 | 111 | # For Migwn, ensure paths are in UNIX format before anything is touched 112 | if $mingw ; then 113 | [ -n "$M2_HOME" ] && 114 | M2_HOME="`(cd "$M2_HOME"; pwd)`" 115 | [ -n "$JAVA_HOME" ] && 116 | JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`" 117 | # TODO classpath? 118 | fi 119 | 120 | if [ -z "$JAVA_HOME" ]; then 121 | javaExecutable="`which javac`" 122 | if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then 123 | # readlink(1) is not available as standard on Solaris 10. 124 | readLink=`which readlink` 125 | if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then 126 | if $darwin ; then 127 | javaHome="`dirname \"$javaExecutable\"`" 128 | javaExecutable="`cd \"$javaHome\" && pwd -P`/javac" 129 | else 130 | javaExecutable="`readlink -f \"$javaExecutable\"`" 131 | fi 132 | javaHome="`dirname \"$javaExecutable\"`" 133 | javaHome=`expr "$javaHome" : '\(.*\)/bin'` 134 | JAVA_HOME="$javaHome" 135 | export JAVA_HOME 136 | fi 137 | fi 138 | fi 139 | 140 | if [ -z "$JAVACMD" ] ; then 141 | if [ -n "$JAVA_HOME" ] ; then 142 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 143 | # IBM's JDK on AIX uses strange locations for the executables 144 | JAVACMD="$JAVA_HOME/jre/sh/java" 145 | else 146 | JAVACMD="$JAVA_HOME/bin/java" 147 | fi 148 | else 149 | JAVACMD="`which java`" 150 | fi 151 | fi 152 | 153 | if [ ! -x "$JAVACMD" ] ; then 154 | echo "Error: JAVA_HOME is not defined correctly." >&2 155 | echo " We cannot execute $JAVACMD" >&2 156 | exit 1 157 | fi 158 | 159 | if [ -z "$JAVA_HOME" ] ; then 160 | echo "Warning: JAVA_HOME environment variable is not set." 161 | fi 162 | 163 | CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher 164 | 165 | # traverses directory structure from process work directory to filesystem root 166 | # first directory with .mvn subdirectory is considered project base directory 167 | find_maven_basedir() { 168 | 169 | if [ -z "$1" ] 170 | then 171 | echo "Path not specified to find_maven_basedir" 172 | return 1 173 | fi 174 | 175 | basedir="$1" 176 | wdir="$1" 177 | while [ "$wdir" != '/' ] ; do 178 | if [ -d "$wdir"/.mvn ] ; then 179 | basedir=$wdir 180 | break 181 | fi 182 | # workaround for JBEAP-8937 (on Solaris 10/Sparc) 183 | if [ -d "${wdir}" ]; then 184 | wdir=`cd "$wdir/.."; pwd` 185 | fi 186 | # end of workaround 187 | done 188 | echo "${basedir}" 189 | } 190 | 191 | # concatenates all lines of a file 192 | concat_lines() { 193 | if [ -f "$1" ]; then 194 | echo "$(tr -s '\n' ' ' < "$1")" 195 | fi 196 | } 197 | 198 | BASE_DIR=`find_maven_basedir "$(pwd)"` 199 | if [ -z "$BASE_DIR" ]; then 200 | exit 1; 201 | fi 202 | 203 | export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"} 204 | echo $MAVEN_PROJECTBASEDIR 205 | MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS" 206 | 207 | # For Cygwin, switch paths to Windows format before running java 208 | if $cygwin; then 209 | [ -n "$M2_HOME" ] && 210 | M2_HOME=`cygpath --path --windows "$M2_HOME"` 211 | [ -n "$JAVA_HOME" ] && 212 | JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"` 213 | [ -n "$CLASSPATH" ] && 214 | CLASSPATH=`cygpath --path --windows "$CLASSPATH"` 215 | [ -n "$MAVEN_PROJECTBASEDIR" ] && 216 | MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"` 217 | fi 218 | 219 | WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain 220 | 221 | exec "$JAVACMD" \ 222 | $MAVEN_OPTS \ 223 | -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \ 224 | "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \ 225 | ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@" 226 | -------------------------------------------------------------------------------- /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 http://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 Maven2 Start Up Batch script 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 M2_HOME - location of maven2's installed home dir 28 | @REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands 29 | @REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending 30 | @REM MAVEN_OPTS - parameters passed to the Java VM when running Maven 31 | @REM e.g. to debug Maven itself, use 32 | @REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 33 | @REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files 34 | @REM ---------------------------------------------------------------------------- 35 | 36 | @REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on' 37 | @echo off 38 | @REM enable echoing my setting MAVEN_BATCH_ECHO to 'on' 39 | @if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO% 40 | 41 | @REM set %HOME% to equivalent of $HOME 42 | if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%") 43 | 44 | @REM Execute a user defined script before this one 45 | if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre 46 | @REM check for pre script, once with legacy .bat ending and once with .cmd ending 47 | if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat" 48 | if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd" 49 | :skipRcPre 50 | 51 | @setlocal 52 | 53 | set ERROR_CODE=0 54 | 55 | @REM To isolate internal variables from possible post scripts, we use another setlocal 56 | @setlocal 57 | 58 | @REM ==== START VALIDATION ==== 59 | if not "%JAVA_HOME%" == "" goto OkJHome 60 | 61 | echo. 62 | echo Error: JAVA_HOME not found in your environment. >&2 63 | echo Please set the JAVA_HOME variable in your environment to match the >&2 64 | echo location of your Java installation. >&2 65 | echo. 66 | goto error 67 | 68 | :OkJHome 69 | if exist "%JAVA_HOME%\bin\java.exe" goto init 70 | 71 | echo. 72 | echo Error: JAVA_HOME is set to an invalid directory. >&2 73 | echo JAVA_HOME = "%JAVA_HOME%" >&2 74 | echo Please set the JAVA_HOME variable in your environment to match the >&2 75 | echo location of your Java installation. >&2 76 | echo. 77 | goto error 78 | 79 | @REM ==== END VALIDATION ==== 80 | 81 | :init 82 | 83 | @REM Find the project base dir, i.e. the directory that contains the folder ".mvn". 84 | @REM Fallback to current working directory if not found. 85 | 86 | set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR% 87 | IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir 88 | 89 | set EXEC_DIR=%CD% 90 | set WDIR=%EXEC_DIR% 91 | :findBaseDir 92 | IF EXIST "%WDIR%"\.mvn goto baseDirFound 93 | cd .. 94 | IF "%WDIR%"=="%CD%" goto baseDirNotFound 95 | set WDIR=%CD% 96 | goto findBaseDir 97 | 98 | :baseDirFound 99 | set MAVEN_PROJECTBASEDIR=%WDIR% 100 | cd "%EXEC_DIR%" 101 | goto endDetectBaseDir 102 | 103 | :baseDirNotFound 104 | set MAVEN_PROJECTBASEDIR=%EXEC_DIR% 105 | cd "%EXEC_DIR%" 106 | 107 | :endDetectBaseDir 108 | 109 | IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig 110 | 111 | @setlocal EnableExtensions EnableDelayedExpansion 112 | for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a 113 | @endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS% 114 | 115 | :endReadAdditionalConfig 116 | 117 | SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe" 118 | 119 | set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar" 120 | set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain 121 | 122 | %MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %* 123 | if ERRORLEVEL 1 goto error 124 | goto end 125 | 126 | :error 127 | set ERROR_CODE=1 128 | 129 | :end 130 | @endlocal & set ERROR_CODE=%ERROR_CODE% 131 | 132 | if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost 133 | @REM check for post script, once with legacy .bat ending and once with .cmd ending 134 | if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat" 135 | if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd" 136 | :skipRcPost 137 | 138 | @REM pause the script if MAVEN_BATCH_PAUSE is set to 'on' 139 | if "%MAVEN_BATCH_PAUSE%" == "on" pause 140 | 141 | if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE% 142 | 143 | exit /B %ERROR_CODE% 144 | -------------------------------------------------------------------------------- /pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 4.0.0 5 | 6 | com.thehecklers 7 | coffee-service-r2dbc 8 | 0.0.1-SNAPSHOT 9 | jar 10 | 11 | coffee-service-r2dbc 12 | Demo project for Spring Boot 13 | 14 | 15 | org.springframework.boot 16 | spring-boot-starter-parent 17 | 2.1.0.M4 18 | 19 | 20 | 21 | 22 | UTF-8 23 | UTF-8 24 | 1.8 25 | 26 | 27 | 28 | 29 | org.springframework.boot 30 | spring-boot-starter-webflux 31 | 32 | 33 | org.springframework.data 34 | spring-data-jdbc 35 | 1.0.0.r2dbc-SNAPSHOT 36 | 37 | 38 | io.r2dbc 39 | r2dbc-postgresql 40 | 1.0.0.ISSUE-10-SNAPSHOT 41 | 42 | 43 | 44 | org.projectlombok 45 | lombok 46 | true 47 | 48 | 49 | org.springframework.boot 50 | spring-boot-starter-test 51 | test 52 | 53 | 54 | io.projectreactor 55 | reactor-test 56 | test 57 | 58 | 59 | 60 | 61 | 62 | 63 | org.springframework.boot 64 | spring-boot-maven-plugin 65 | 66 | 67 | 68 | 69 | 70 | 71 | spring-snapshots 72 | Spring Snapshots 73 | https://repo.spring.io/snapshot 74 | 75 | true 76 | 77 | 78 | 79 | spring-milestones 80 | Spring Milestones 81 | https://repo.spring.io/milestone 82 | 83 | false 84 | 85 | 86 | 87 | 88 | 89 | 90 | spring-snapshots 91 | Spring Snapshots 92 | https://repo.spring.io/snapshot 93 | 94 | true 95 | 96 | 97 | 98 | spring-milestones 99 | Spring Milestones 100 | https://repo.spring.io/milestone 101 | 102 | false 103 | 104 | 105 | 106 | 107 | 108 | 109 | -------------------------------------------------------------------------------- /src/main/java/com/thehecklers/coffeeservicer2dbc/CoffeeServiceR2dbcApplication.java: -------------------------------------------------------------------------------- 1 | package com.thehecklers.coffeeservicer2dbc; 2 | 3 | import io.r2dbc.postgresql.PostgresqlConnectionConfiguration; 4 | import io.r2dbc.postgresql.PostgresqlConnectionFactory; 5 | import io.r2dbc.spi.ConnectionFactory; 6 | import lombok.*; 7 | import org.springframework.boot.SpringApplication; 8 | import org.springframework.boot.autoconfigure.SpringBootApplication; 9 | import org.springframework.context.annotation.Bean; 10 | import org.springframework.context.annotation.Configuration; 11 | import org.springframework.data.annotation.Id; 12 | import org.springframework.data.jdbc.repository.query.Query; 13 | import org.springframework.data.r2dbc.function.DatabaseClient; 14 | import org.springframework.data.r2dbc.repository.support.R2dbcRepositoryFactory; 15 | import org.springframework.data.relational.core.mapping.RelationalMappingContext; 16 | import org.springframework.data.repository.reactive.ReactiveCrudRepository; 17 | import org.springframework.http.MediaType; 18 | import org.springframework.stereotype.Component; 19 | import org.springframework.stereotype.Service; 20 | import org.springframework.web.bind.annotation.GetMapping; 21 | import org.springframework.web.bind.annotation.PathVariable; 22 | import org.springframework.web.bind.annotation.RequestMapping; 23 | import org.springframework.web.bind.annotation.RestController; 24 | import reactor.core.publisher.Flux; 25 | import reactor.core.publisher.Mono; 26 | 27 | import javax.annotation.PostConstruct; 28 | import java.time.Duration; 29 | import java.time.Instant; 30 | 31 | @SpringBootApplication 32 | public class CoffeeServiceR2dbcApplication { 33 | 34 | public static void main(String[] args) { 35 | SpringApplication.run(CoffeeServiceR2dbcApplication.class, args); 36 | } 37 | } 38 | 39 | @RestController 40 | @RequestMapping("/coffees") 41 | class CoffeeController { 42 | private final CoffeeService service; 43 | 44 | CoffeeController(CoffeeService service) { 45 | this.service = service; 46 | } 47 | 48 | @GetMapping 49 | Flux all() { 50 | return service.getAllCoffees(); 51 | } 52 | 53 | @GetMapping("/{id}") 54 | Mono byId(@PathVariable String id) { 55 | // MH: This doesn't work currently bc of the type SERIAL in Postgres & String here. Oddly enough, the 56 | // orders() method below DOES... 57 | return service.getCoffeeById(id); 58 | } 59 | 60 | @GetMapping(value = "/{id}/orders", produces = MediaType.TEXT_EVENT_STREAM_VALUE) 61 | Flux orders(@PathVariable String id) { 62 | return service.getOrdersForCoffee(id); 63 | } 64 | } 65 | 66 | @Service 67 | class CoffeeService { 68 | private final CoffeeRepository repo; 69 | 70 | CoffeeService(CoffeeRepository repo) { 71 | this.repo = repo; 72 | } 73 | 74 | Flux getAllCoffees() { 75 | return repo.findAll(); 76 | } 77 | 78 | Mono getCoffeeById(String id) { 79 | return repo.findById(id); 80 | } 81 | 82 | Flux getOrdersForCoffee(String coffeeId) { 83 | return Flux.generate(sink -> sink.next(new CoffeeOrder(coffeeId, Instant.now()))) 84 | .delayElements(Duration.ofSeconds(1)); 85 | } 86 | } 87 | 88 | @Component 89 | class Demo { 90 | private final CoffeeRepository repo; 91 | 92 | Demo(CoffeeRepository repo) { 93 | this.repo = repo; 94 | } 95 | 96 | @PostConstruct 97 | private void run() { 98 | repo.deleteAll().thenMany( 99 | Flux.just("Blue Bottle Coffee", "Philz Coffee") 100 | .map(Coffee::new) 101 | .flatMap(repo::save)) 102 | .thenMany(repo.findAll()) 103 | .subscribe(System.out::println); 104 | } 105 | } 106 | 107 | @Configuration 108 | class DbConfig { 109 | @Bean 110 | PostgresqlConnectionFactory connectionFactory() { 111 | return new PostgresqlConnectionFactory( 112 | PostgresqlConnectionConfiguration.builder() // 113 | .host("localhost") 114 | .database("postgres") 115 | .username("postgres") 116 | .password("caffeine") 117 | .build()); 118 | } 119 | 120 | @Bean 121 | DatabaseClient databaseClient(ConnectionFactory factory) { 122 | return DatabaseClient.builder() // 123 | .connectionFactory(factory) // 124 | .build(); 125 | } 126 | 127 | @Bean 128 | R2dbcRepositoryFactory repositoryFactory(DatabaseClient client) { 129 | RelationalMappingContext context = new RelationalMappingContext(); 130 | context.afterPropertiesSet(); 131 | 132 | return new R2dbcRepositoryFactory(client, context); 133 | } 134 | 135 | @Bean 136 | CoffeeRepository coffeeRepository(R2dbcRepositoryFactory factory) { 137 | return factory.getRepository(CoffeeRepository.class); 138 | } 139 | } 140 | 141 | interface CoffeeRepository extends ReactiveCrudRepository { 142 | @Query("DELETE FROM coffee") 143 | Mono deleteAllById(); 144 | } 145 | 146 | @Data 147 | @AllArgsConstructor 148 | class CoffeeOrder { 149 | private String coffeeId; 150 | private Instant whenOrdered; 151 | } 152 | 153 | @Data 154 | @NoArgsConstructor 155 | @RequiredArgsConstructor 156 | @AllArgsConstructor 157 | class Coffee { 158 | @Id 159 | private String id; 160 | @NonNull 161 | private String name; 162 | } -------------------------------------------------------------------------------- /src/main/resources/application.properties: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/mkheck/coffee-service-r2dbc/e96c7787f25130c90b63d3a3c610d232a7924164/src/main/resources/application.properties -------------------------------------------------------------------------------- /src/test/java/com/thehecklers/coffeeservicer2dbc/CoffeeServiceR2dbcApplicationTests.java: -------------------------------------------------------------------------------- 1 | package com.thehecklers.coffeeservicer2dbc; 2 | 3 | import org.junit.Test; 4 | import org.junit.runner.RunWith; 5 | import org.springframework.boot.test.context.SpringBootTest; 6 | import org.springframework.test.context.junit4.SpringRunner; 7 | 8 | @RunWith(SpringRunner.class) 9 | @SpringBootTest 10 | public class CoffeeServiceR2dbcApplicationTests { 11 | 12 | @Test 13 | public void contextLoads() { 14 | } 15 | 16 | } 17 | -------------------------------------------------------------------------------- /src/test/java/com/thehecklers/coffeeservicer2dbc/CoffeeServiceTestInternalAPI.java: -------------------------------------------------------------------------------- 1 | package com.thehecklers.coffeeservicer2dbc; 2 | 3 | import org.junit.Before; 4 | import org.junit.Test; 5 | import org.junit.runner.RunWith; 6 | import org.mockito.Mockito; 7 | import org.springframework.beans.factory.annotation.Autowired; 8 | import org.springframework.boot.test.autoconfigure.web.reactive.WebFluxTest; 9 | import org.springframework.boot.test.context.SpringBootTest; 10 | import org.springframework.boot.test.mock.mockito.MockBean; 11 | import org.springframework.test.context.junit4.SpringRunner; 12 | import reactor.core.publisher.Flux; 13 | import reactor.core.publisher.Mono; 14 | import reactor.test.StepVerifier; 15 | 16 | import java.time.Duration; 17 | 18 | import static org.junit.Assert.*; 19 | 20 | @WebFluxTest(CoffeeService.class) 21 | @RunWith(SpringRunner.class) 22 | public class CoffeeServiceTestInternalAPI { 23 | @Autowired 24 | private CoffeeService service; 25 | 26 | @MockBean 27 | private CoffeeRepository repo; 28 | 29 | private Coffee coffee1, coffee2; 30 | 31 | @Before 32 | public void setup() { 33 | coffee1 = new Coffee("1", "Tester's Choice"); 34 | coffee2 = new Coffee("2", "Maxfail House"); 35 | 36 | Mockito.when(repo.findAll()).thenReturn(Flux.just(coffee1, coffee2)); 37 | Mockito.when(repo.findById(coffee1.getId())).thenReturn(Mono.just(coffee1)); 38 | Mockito.when(repo.findById(coffee2.getId())).thenReturn(Mono.just(coffee2)); 39 | } 40 | 41 | @Test 42 | public void getAllCoffees() { 43 | StepVerifier.create(service.getAllCoffees()) 44 | .expectNext(coffee1) 45 | .expectNext(coffee2) 46 | .verifyComplete(); 47 | } 48 | 49 | @Test 50 | public void getCoffeeById() { 51 | StepVerifier.create(service.getCoffeeById(coffee1.getId())) 52 | .expectNext(coffee1) 53 | .verifyComplete(); 54 | } 55 | 56 | @Test 57 | public void getOrdersForCoffee() { 58 | StepVerifier.withVirtualTime(() -> service.getOrdersForCoffee(coffee2.getId()).take(10)) 59 | .thenAwait(Duration.ofHours(1)) 60 | .expectNextCount(10) 61 | .verifyComplete(); 62 | } 63 | } --------------------------------------------------------------------------------