├── .github └── workflows │ └── gradle.yml ├── .gitignore ├── README.md ├── build.gradle ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── libs └── reactive-movies-restful-api.jar ├── lombok.config ├── settings.gradle └── src ├── main └── java │ └── com │ └── learnreactiveprogramming │ ├── domain │ ├── Movie.java │ ├── MovieInfo.java │ ├── Revenue.java │ └── Review.java │ ├── exception │ ├── MovieException.java │ ├── MovieInfoException.java │ ├── NetworkException.java │ ├── ReactorException.java │ ├── ReviewException.java │ └── ServiceException.java │ ├── functional │ └── FunctionalExample.java │ ├── imperative │ └── ImperativeExample.java │ ├── service │ ├── FluxAndMonoSchedulersService.java │ ├── MovieInfoService.java │ ├── RevenueService.java │ └── ReviewService.java │ └── util │ └── CommonUtil.java └── test └── java └── com └── learnreactiveprogramming ├── BackpressureTest.java ├── ColdAndHotPublisherTest.java └── service └── FluxAndMonoGeneratorServiceTest.java /.github/workflows/gradle.yml: -------------------------------------------------------------------------------- 1 | # This workflow will build a Java project with Gradle 2 | # For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-gradle 3 | 4 | name: Java CI with Gradle 5 | 6 | on: 7 | push: 8 | branches: [ main, final ] 9 | pull_request: 10 | branches: [ main, final ] 11 | 12 | jobs: 13 | build: 14 | 15 | runs-on: ubuntu-latest 16 | 17 | steps: 18 | - uses: actions/checkout@v2 19 | - name: Set up JDK 11 20 | uses: actions/setup-java@v1 21 | with: 22 | java-version: 11 23 | - name: Grant execute permission for gradlew 24 | run: chmod +x gradlew 25 | - name: Build with Gradle 26 | run: ./gradlew build 27 | -------------------------------------------------------------------------------- /.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 | .idea/ 23 | *.iws 24 | *.iml 25 | *.ipr 26 | out/ 27 | !**/src/main/**/out/ 28 | !**/src/test/**/out/ 29 | 30 | ### NetBeans ### 31 | /nbproject/private/ 32 | /nbbuild/ 33 | /dist/ 34 | /nbdist/ 35 | /.nb-gradle/ 36 | 37 | ### VS Code ### 38 | .vscode/ 39 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # reactive-programming-using-reactor 2 | This project has the necessary code for the reactive programming course using Project Reactor 3 | 4 | ## Swagger-UI 5 | 6 | - Check the following [link](http://localhost:8080/movies/swagger-ui.html) for swagger. 7 | -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | plugins { 2 | id 'java' 3 | id "io.freefair.lombok" version "5.3.0" 4 | 5 | } 6 | 7 | group 'org.example' 8 | version '1.0-SNAPSHOT' 9 | 10 | repositories { 11 | mavenCentral() 12 | } 13 | 14 | dependencies { 15 | implementation("io.projectreactor:reactor-core:3.4.0") 16 | 17 | //log - logback 18 | implementation("ch.qos.logback:logback-classic:1.2.3") 19 | 20 | //reactor-debug-agent 21 | implementation('io.projectreactor:reactor-tools:3.4.0') 22 | 23 | //testing 24 | testImplementation("io.projectreactor:reactor-test:3.4.0") 25 | testImplementation('org.junit.jupiter:junit-jupiter:5.5.1') 26 | testImplementation("org.mockito:mockito-core:3.2.4") 27 | testImplementation("org.mockito:mockito-junit-jupiter:3.2.4") 28 | } 29 | 30 | test { 31 | useJUnitPlatform() 32 | } -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dilipsundarraj1/reactive-programming-using-reactor/6d42fca3988d23724588afc47a54de1c27905bad/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-6.7-bin.zip 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env sh 2 | 3 | # 4 | # Copyright 2015 the original author or 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 UN*X 22 | ## 23 | ############################################################################## 24 | 25 | # Attempt to set APP_HOME 26 | # Resolve links: $0 may be a link 27 | PRG="$0" 28 | # Need this for relative symlinks. 29 | while [ -h "$PRG" ] ; do 30 | ls=`ls -ld "$PRG"` 31 | link=`expr "$ls" : '.*-> \(.*\)$'` 32 | if expr "$link" : '/.*' > /dev/null; then 33 | PRG="$link" 34 | else 35 | PRG=`dirname "$PRG"`"/$link" 36 | fi 37 | done 38 | SAVED="`pwd`" 39 | cd "`dirname \"$PRG\"`/" >/dev/null 40 | APP_HOME="`pwd -P`" 41 | cd "$SAVED" >/dev/null 42 | 43 | APP_NAME="Gradle" 44 | APP_BASE_NAME=`basename "$0"` 45 | 46 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 47 | DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' 48 | 49 | # Use the maximum available, or set MAX_FD != -1 to use that value. 50 | MAX_FD="maximum" 51 | 52 | warn () { 53 | echo "$*" 54 | } 55 | 56 | die () { 57 | echo 58 | echo "$*" 59 | echo 60 | exit 1 61 | } 62 | 63 | # OS specific support (must be 'true' or 'false'). 64 | cygwin=false 65 | msys=false 66 | darwin=false 67 | nonstop=false 68 | case "`uname`" in 69 | CYGWIN* ) 70 | cygwin=true 71 | ;; 72 | Darwin* ) 73 | darwin=true 74 | ;; 75 | MINGW* ) 76 | msys=true 77 | ;; 78 | NONSTOP* ) 79 | nonstop=true 80 | ;; 81 | esac 82 | 83 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 84 | 85 | 86 | # Determine the Java command to use to start the JVM. 87 | if [ -n "$JAVA_HOME" ] ; then 88 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 89 | # IBM's JDK on AIX uses strange locations for the executables 90 | JAVACMD="$JAVA_HOME/jre/sh/java" 91 | else 92 | JAVACMD="$JAVA_HOME/bin/java" 93 | fi 94 | if [ ! -x "$JAVACMD" ] ; then 95 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 96 | 97 | Please set the JAVA_HOME variable in your environment to match the 98 | location of your Java installation." 99 | fi 100 | else 101 | JAVACMD="java" 102 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 103 | 104 | Please set the JAVA_HOME variable in your environment to match the 105 | location of your Java installation." 106 | fi 107 | 108 | # Increase the maximum file descriptors if we can. 109 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then 110 | MAX_FD_LIMIT=`ulimit -H -n` 111 | if [ $? -eq 0 ] ; then 112 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 113 | MAX_FD="$MAX_FD_LIMIT" 114 | fi 115 | ulimit -n $MAX_FD 116 | if [ $? -ne 0 ] ; then 117 | warn "Could not set maximum file descriptor limit: $MAX_FD" 118 | fi 119 | else 120 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 121 | fi 122 | fi 123 | 124 | # For Darwin, add options to specify how the application appears in the dock 125 | if $darwin; then 126 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 127 | fi 128 | 129 | # For Cygwin or MSYS, switch paths to Windows format before running java 130 | if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then 131 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 132 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 133 | 134 | JAVACMD=`cygpath --unix "$JAVACMD"` 135 | 136 | # We build the pattern for arguments to be converted via cygpath 137 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 138 | SEP="" 139 | for dir in $ROOTDIRSRAW ; do 140 | ROOTDIRS="$ROOTDIRS$SEP$dir" 141 | SEP="|" 142 | done 143 | OURCYGPATTERN="(^($ROOTDIRS))" 144 | # Add a user-defined pattern to the cygpath arguments 145 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 146 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 147 | fi 148 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 149 | i=0 150 | for arg in "$@" ; do 151 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 152 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 153 | 154 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 155 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 156 | else 157 | eval `echo args$i`="\"$arg\"" 158 | fi 159 | i=`expr $i + 1` 160 | done 161 | case $i in 162 | 0) set -- ;; 163 | 1) set -- "$args0" ;; 164 | 2) set -- "$args0" "$args1" ;; 165 | 3) set -- "$args0" "$args1" "$args2" ;; 166 | 4) set -- "$args0" "$args1" "$args2" "$args3" ;; 167 | 5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 168 | 6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 169 | 7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 170 | 8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 171 | 9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 172 | esac 173 | fi 174 | 175 | # Escape application args 176 | save () { 177 | for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done 178 | echo " " 179 | } 180 | APP_ARGS=`save "$@"` 181 | 182 | # Collect all arguments for the java command, following the shell quoting and substitution rules 183 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" 184 | 185 | exec "$JAVACMD" "$@" 186 | -------------------------------------------------------------------------------- /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%" == "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%"=="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 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 84 | exit /b 1 85 | 86 | :mainEnd 87 | if "%OS%"=="Windows_NT" endlocal 88 | 89 | :omega 90 | -------------------------------------------------------------------------------- /libs/reactive-movies-restful-api.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dilipsundarraj1/reactive-programming-using-reactor/6d42fca3988d23724588afc47a54de1c27905bad/libs/reactive-movies-restful-api.jar -------------------------------------------------------------------------------- /lombok.config: -------------------------------------------------------------------------------- 1 | # This file is generated by the 'io.freefair.lombok' Gradle plugin 2 | config.stopBubbling = true 3 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | rootProject.name = 'reactive-programming-using-reactor' 2 | 3 | -------------------------------------------------------------------------------- /src/main/java/com/learnreactiveprogramming/domain/Movie.java: -------------------------------------------------------------------------------- 1 | package com.learnreactiveprogramming.domain; 2 | 3 | import lombok.AllArgsConstructor; 4 | import lombok.Data; 5 | import lombok.NoArgsConstructor; 6 | 7 | import java.util.List; 8 | 9 | @Data 10 | @NoArgsConstructor 11 | @AllArgsConstructor 12 | public class Movie { 13 | private MovieInfo movie; 14 | private List reviewList; 15 | private Revenue revenue; 16 | 17 | public Movie(MovieInfo movie, List reviewList) { 18 | this.movie = movie; 19 | this.reviewList = reviewList; 20 | } 21 | 22 | } -------------------------------------------------------------------------------- /src/main/java/com/learnreactiveprogramming/domain/MovieInfo.java: -------------------------------------------------------------------------------- 1 | package com.learnreactiveprogramming.domain; 2 | 3 | import lombok.AllArgsConstructor; 4 | import lombok.Data; 5 | import lombok.NoArgsConstructor; 6 | 7 | import java.time.LocalDate; 8 | import java.util.List; 9 | 10 | @Data 11 | @AllArgsConstructor 12 | @NoArgsConstructor 13 | public class MovieInfo { 14 | private Long movieInfoId; 15 | private String name; 16 | private Integer year; 17 | private List cast; 18 | private LocalDate release_date; 19 | } -------------------------------------------------------------------------------- /src/main/java/com/learnreactiveprogramming/domain/Revenue.java: -------------------------------------------------------------------------------- 1 | package com.learnreactiveprogramming.domain; 2 | 3 | import lombok.AllArgsConstructor; 4 | import lombok.Builder; 5 | import lombok.Data; 6 | import lombok.NoArgsConstructor; 7 | 8 | @AllArgsConstructor 9 | @NoArgsConstructor 10 | @Data 11 | @Builder 12 | public class Revenue { 13 | private Long movieInfoId; 14 | private double budget; 15 | private double boxOffice; 16 | } 17 | -------------------------------------------------------------------------------- /src/main/java/com/learnreactiveprogramming/domain/Review.java: -------------------------------------------------------------------------------- 1 | package com.learnreactiveprogramming.domain; 2 | 3 | import lombok.AllArgsConstructor; 4 | import lombok.Data; 5 | import lombok.NoArgsConstructor; 6 | 7 | @Data 8 | @NoArgsConstructor 9 | @AllArgsConstructor 10 | public class Review { 11 | private Long reviewId; 12 | private Long movieInfoId; 13 | private String comment; 14 | private Double rating; 15 | } -------------------------------------------------------------------------------- /src/main/java/com/learnreactiveprogramming/exception/MovieException.java: -------------------------------------------------------------------------------- 1 | package com.learnreactiveprogramming.exception; 2 | 3 | public class MovieException extends RuntimeException { 4 | String message; 5 | public MovieException(String message) { 6 | super(message); 7 | this.message = message; 8 | } 9 | 10 | public MovieException(Throwable ex) { 11 | super(ex); 12 | this.message = ex.getMessage(); 13 | } 14 | } 15 | -------------------------------------------------------------------------------- /src/main/java/com/learnreactiveprogramming/exception/MovieInfoException.java: -------------------------------------------------------------------------------- 1 | package com.learnreactiveprogramming.exception; 2 | 3 | public class MovieInfoException extends RuntimeException { 4 | String message; 5 | 6 | public MovieInfoException(String message) { 7 | super(message); 8 | this.message = message; 9 | 10 | } 11 | } 12 | -------------------------------------------------------------------------------- /src/main/java/com/learnreactiveprogramming/exception/NetworkException.java: -------------------------------------------------------------------------------- 1 | package com.learnreactiveprogramming.exception; 2 | 3 | public class NetworkException extends RuntimeException { 4 | String message; 5 | 6 | public NetworkException(String message) { 7 | super(message); 8 | this.message = message; 9 | } 10 | 11 | public NetworkException(Throwable ex) { 12 | super(ex); 13 | this.message = message; 14 | } 15 | } 16 | -------------------------------------------------------------------------------- /src/main/java/com/learnreactiveprogramming/exception/ReactorException.java: -------------------------------------------------------------------------------- 1 | package com.learnreactiveprogramming.exception; 2 | 3 | public class ReactorException extends Throwable { 4 | private Throwable excpetion; 5 | private String message; 6 | 7 | public ReactorException(Throwable exception, String message) { 8 | this.excpetion = exception; 9 | this.message = message; 10 | 11 | } 12 | } -------------------------------------------------------------------------------- /src/main/java/com/learnreactiveprogramming/exception/ReviewException.java: -------------------------------------------------------------------------------- 1 | package com.learnreactiveprogramming.exception; 2 | 3 | public class ReviewException extends RuntimeException { 4 | String message; 5 | public ReviewException(String message) { 6 | super(message); 7 | this.message = message; 8 | } 9 | } 10 | -------------------------------------------------------------------------------- /src/main/java/com/learnreactiveprogramming/exception/ServiceException.java: -------------------------------------------------------------------------------- 1 | package com.learnreactiveprogramming.exception; 2 | 3 | public class ServiceException extends RuntimeException { 4 | String message; 5 | public ServiceException(String message) { 6 | super(message); 7 | this.message = message; 8 | } 9 | 10 | public ServiceException(Throwable ex) { 11 | super(ex); 12 | this.message = ex.getMessage(); 13 | } 14 | } 15 | -------------------------------------------------------------------------------- /src/main/java/com/learnreactiveprogramming/functional/FunctionalExample.java: -------------------------------------------------------------------------------- 1 | package com.learnreactiveprogramming.functional; 2 | 3 | public class FunctionalExample { 4 | } 5 | -------------------------------------------------------------------------------- /src/main/java/com/learnreactiveprogramming/imperative/ImperativeExample.java: -------------------------------------------------------------------------------- 1 | package com.learnreactiveprogramming.imperative; 2 | 3 | public class ImperativeExample { 4 | } 5 | -------------------------------------------------------------------------------- /src/main/java/com/learnreactiveprogramming/service/FluxAndMonoSchedulersService.java: -------------------------------------------------------------------------------- 1 | package com.learnreactiveprogramming.service; 2 | 3 | import java.util.List; 4 | 5 | import static com.learnreactiveprogramming.util.CommonUtil.delay; 6 | 7 | public class FluxAndMonoSchedulersService { 8 | 9 | static List namesList = List.of("alex", "ben", "chloe"); 10 | static List namesList1 = List.of("adam", "jill", "jack"); 11 | 12 | private String upperCase(String name) { 13 | delay(1000); 14 | return name.toUpperCase(); 15 | } 16 | 17 | } 18 | -------------------------------------------------------------------------------- /src/main/java/com/learnreactiveprogramming/service/MovieInfoService.java: -------------------------------------------------------------------------------- 1 | package com.learnreactiveprogramming.service; 2 | 3 | import com.learnreactiveprogramming.domain.MovieInfo; 4 | import reactor.core.publisher.Flux; 5 | import reactor.core.publisher.Mono; 6 | 7 | import java.time.LocalDate; 8 | import java.util.List; 9 | 10 | import static com.learnreactiveprogramming.util.CommonUtil.delay; 11 | 12 | public class MovieInfoService { 13 | 14 | public Flux retrieveMoviesFlux(){ 15 | 16 | var movieInfoList = List.of(new MovieInfo(100l, "Batman Begins", 2005, List.of("Christian Bale", "Michael Cane"), LocalDate.parse("2005-06-15")), 17 | new MovieInfo(101L,"The Dark Knight", 2008, List.of("Christian Bale", "HeathLedger"), LocalDate.parse("2008-07-18")), 18 | new MovieInfo(102L,"Dark Knight Rises", 2008, List.of("Christian Bale", "Tom Hardy"), LocalDate.parse("2012-07-20"))); 19 | 20 | return Flux.fromIterable(movieInfoList); 21 | } 22 | 23 | public Mono retrieveMovieInfoMonoUsingId(long movieId){ 24 | 25 | var movie = new MovieInfo(movieId, "Batman Begins", 2005, List.of("Christian Bale", "Michael Cane"), LocalDate.parse("2005-06-15")); 26 | 27 | return Mono.just(movie); 28 | } 29 | 30 | public List movieList(){ 31 | delay(1000); 32 | 33 | return List.of(new MovieInfo(100L, "Batman Begins", 2005, List.of("Christian Bale", "Michael Cane"), LocalDate.parse("2005-06-15")), 34 | new MovieInfo(101L,"The Dark Knight", 2008, List.of("Christian Bale", "HeathLedger"), LocalDate.parse("2008-07-18")), 35 | new MovieInfo(102L,"Dark Knight Rises", 2008, List.of("Christian Bale", "Tom Hardy"), LocalDate.parse("2012-07-20"))); 36 | } 37 | 38 | public MovieInfo retrieveMovieUsingId(long movieId){ 39 | delay(1000); 40 | return new MovieInfo(movieId, "Batman Begins", 2005, List.of("Christian Bale", "Michael Cane"), LocalDate.parse("2005-06-15")); 41 | } 42 | 43 | } -------------------------------------------------------------------------------- /src/main/java/com/learnreactiveprogramming/service/RevenueService.java: -------------------------------------------------------------------------------- 1 | package com.learnreactiveprogramming.service; 2 | 3 | import com.learnreactiveprogramming.domain.Revenue; 4 | 5 | import static com.learnreactiveprogramming.util.CommonUtil.delay; 6 | 7 | public class RevenueService { 8 | 9 | public Revenue getRevenue(Long movieId){ 10 | delay(1000); // simulating a network call ( DB or Rest call) 11 | return Revenue.builder() 12 | .movieInfoId(movieId) 13 | .budget(1000000) 14 | .boxOffice(5000000) 15 | .build(); 16 | 17 | } 18 | } 19 | -------------------------------------------------------------------------------- /src/main/java/com/learnreactiveprogramming/service/ReviewService.java: -------------------------------------------------------------------------------- 1 | package com.learnreactiveprogramming.service; 2 | 3 | import com.learnreactiveprogramming.domain.Review; 4 | import reactor.core.publisher.Flux; 5 | 6 | import java.util.List; 7 | 8 | public class ReviewService { 9 | 10 | public List retrieveReviews(long movieInfoId){ 11 | 12 | return List.of(new Review(1L, movieInfoId, "Awesome Movie", 8.9), 13 | new Review(2L, movieInfoId, "Excellent Movie", 9.0)); 14 | } 15 | 16 | public Flux retrieveReviewsFlux(long movieInfoId){ 17 | 18 | var reviewsList = List.of(new Review(1L,movieInfoId, "Awesome Movie", 8.9), 19 | new Review(2L, movieInfoId, "Excellent Movie", 9.0)); 20 | return Flux.fromIterable(reviewsList); 21 | } 22 | 23 | } 24 | -------------------------------------------------------------------------------- /src/main/java/com/learnreactiveprogramming/util/CommonUtil.java: -------------------------------------------------------------------------------- 1 | package com.learnreactiveprogramming.util; 2 | 3 | import static java.lang.Thread.sleep; 4 | 5 | public class CommonUtil { 6 | 7 | public static void delay(int ms){ 8 | try { 9 | sleep(ms); 10 | } catch (InterruptedException e) { 11 | e.printStackTrace(); 12 | } 13 | } 14 | } 15 | -------------------------------------------------------------------------------- /src/test/java/com/learnreactiveprogramming/BackpressureTest.java: -------------------------------------------------------------------------------- 1 | package com.learnreactiveprogramming; 2 | 3 | public class BackpressureTest { 4 | } 5 | -------------------------------------------------------------------------------- /src/test/java/com/learnreactiveprogramming/ColdAndHotPublisherTest.java: -------------------------------------------------------------------------------- 1 | package com.learnreactiveprogramming; 2 | 3 | public class ColdAndHotPublisherTest { 4 | } 5 | -------------------------------------------------------------------------------- /src/test/java/com/learnreactiveprogramming/service/FluxAndMonoGeneratorServiceTest.java: -------------------------------------------------------------------------------- 1 | package com.learnreactiveprogramming.service; 2 | 3 | public class FluxAndMonoGeneratorServiceTest { 4 | } 5 | --------------------------------------------------------------------------------