Commit 8c5c9d79 authored by Bhanuchander Pathuri's avatar Bhanuchander Pathuri

initial Commit

parent d41cff0e
HELP.md
target/
!.mvn/wrapper/maven-wrapper.jar
!**/src/main/**/target/
!**/src/test/**/target/
### STS ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
### IntelliJ IDEA ###
.idea
*.iws
*.iml
*.ipr
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
build/
!**/src/main/**/build/
!**/src/test/**/build/
### VS Code ###
.vscode/
distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.6/apache-maven-3.8.6-bin.zip
wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar
#!/bin/sh
# ----------------------------------------------------------------------------
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
# ----------------------------------------------------------------------------
# ----------------------------------------------------------------------------
# Maven Start Up Batch script
#
# Required ENV vars:
# ------------------
# JAVA_HOME - location of a JDK home dir
#
# Optional ENV vars
# -----------------
# M2_HOME - location of maven2's installed home dir
# MAVEN_OPTS - parameters passed to the Java VM when running Maven
# e.g. to debug Maven itself, use
# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
# MAVEN_SKIP_RC - flag to disable loading of mavenrc files
# ----------------------------------------------------------------------------
if [ -z "$MAVEN_SKIP_RC" ] ; then
if [ -f /usr/local/etc/mavenrc ] ; then
. /usr/local/etc/mavenrc
fi
if [ -f /etc/mavenrc ] ; then
. /etc/mavenrc
fi
if [ -f "$HOME/.mavenrc" ] ; then
. "$HOME/.mavenrc"
fi
fi
# OS specific support. $var _must_ be set to either true or false.
cygwin=false;
darwin=false;
mingw=false
case "`uname`" in
CYGWIN*) cygwin=true ;;
MINGW*) mingw=true;;
Darwin*) darwin=true
# Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
# See https://developer.apple.com/library/mac/qa/qa1170/_index.html
if [ -z "$JAVA_HOME" ]; then
if [ -x "/usr/libexec/java_home" ]; then
export JAVA_HOME="`/usr/libexec/java_home`"
else
export JAVA_HOME="/Library/Java/Home"
fi
fi
;;
esac
if [ -z "$JAVA_HOME" ] ; then
if [ -r /etc/gentoo-release ] ; then
JAVA_HOME=`java-config --jre-home`
fi
fi
if [ -z "$M2_HOME" ] ; then
## resolve links - $0 may be a link to maven's home
PRG="$0"
# need this for relative symlinks
while [ -h "$PRG" ] ; do
ls=`ls -ld "$PRG"`
link=`expr "$ls" : '.*-> \(.*\)$'`
if expr "$link" : '/.*' > /dev/null; then
PRG="$link"
else
PRG="`dirname "$PRG"`/$link"
fi
done
saveddir=`pwd`
M2_HOME=`dirname "$PRG"`/..
# make it fully qualified
M2_HOME=`cd "$M2_HOME" && pwd`
cd "$saveddir"
# echo Using m2 at $M2_HOME
fi
# For Cygwin, ensure paths are in UNIX format before anything is touched
if $cygwin ; then
[ -n "$M2_HOME" ] &&
M2_HOME=`cygpath --unix "$M2_HOME"`
[ -n "$JAVA_HOME" ] &&
JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
[ -n "$CLASSPATH" ] &&
CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
fi
# For Mingw, ensure paths are in UNIX format before anything is touched
if $mingw ; then
[ -n "$M2_HOME" ] &&
M2_HOME="`(cd "$M2_HOME"; pwd)`"
[ -n "$JAVA_HOME" ] &&
JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
fi
if [ -z "$JAVA_HOME" ]; then
javaExecutable="`which javac`"
if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
# readlink(1) is not available as standard on Solaris 10.
readLink=`which readlink`
if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
if $darwin ; then
javaHome="`dirname \"$javaExecutable\"`"
javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
else
javaExecutable="`readlink -f \"$javaExecutable\"`"
fi
javaHome="`dirname \"$javaExecutable\"`"
javaHome=`expr "$javaHome" : '\(.*\)/bin'`
JAVA_HOME="$javaHome"
export JAVA_HOME
fi
fi
fi
if [ -z "$JAVACMD" ] ; then
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
else
JAVACMD="$JAVA_HOME/bin/java"
fi
else
JAVACMD="`\\unset -f command; \\command -v java`"
fi
fi
if [ ! -x "$JAVACMD" ] ; then
echo "Error: JAVA_HOME is not defined correctly." >&2
echo " We cannot execute $JAVACMD" >&2
exit 1
fi
if [ -z "$JAVA_HOME" ] ; then
echo "Warning: JAVA_HOME environment variable is not set."
fi
CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
# traverses directory structure from process work directory to filesystem root
# first directory with .mvn subdirectory is considered project base directory
find_maven_basedir() {
if [ -z "$1" ]
then
echo "Path not specified to find_maven_basedir"
return 1
fi
basedir="$1"
wdir="$1"
while [ "$wdir" != '/' ] ; do
if [ -d "$wdir"/.mvn ] ; then
basedir=$wdir
break
fi
# workaround for JBEAP-8937 (on Solaris 10/Sparc)
if [ -d "${wdir}" ]; then
wdir=`cd "$wdir/.."; pwd`
fi
# end of workaround
done
echo "${basedir}"
}
# concatenates all lines of a file
concat_lines() {
if [ -f "$1" ]; then
echo "$(tr -s '\n' ' ' < "$1")"
fi
}
BASE_DIR=`find_maven_basedir "$(pwd)"`
if [ -z "$BASE_DIR" ]; then
exit 1;
fi
##########################################################################################
# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
# This allows using the maven wrapper in projects that prohibit checking in binary data.
##########################################################################################
if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
if [ "$MVNW_VERBOSE" = true ]; then
echo "Found .mvn/wrapper/maven-wrapper.jar"
fi
else
if [ "$MVNW_VERBOSE" = true ]; then
echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
fi
if [ -n "$MVNW_REPOURL" ]; then
jarUrl="$MVNW_REPOURL/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
else
jarUrl="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
fi
while IFS="=" read key value; do
case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
esac
done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
if [ "$MVNW_VERBOSE" = true ]; then
echo "Downloading from: $jarUrl"
fi
wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
if $cygwin; then
wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"`
fi
if command -v wget > /dev/null; then
if [ "$MVNW_VERBOSE" = true ]; then
echo "Found wget ... using wget"
fi
if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
wget "$jarUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
else
wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
fi
elif command -v curl > /dev/null; then
if [ "$MVNW_VERBOSE" = true ]; then
echo "Found curl ... using curl"
fi
if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
curl -o "$wrapperJarPath" "$jarUrl" -f
else
curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f
fi
else
if [ "$MVNW_VERBOSE" = true ]; then
echo "Falling back to using Java to download"
fi
javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
# For Cygwin, switch paths to Windows format before running javac
if $cygwin; then
javaClass=`cygpath --path --windows "$javaClass"`
fi
if [ -e "$javaClass" ]; then
if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
if [ "$MVNW_VERBOSE" = true ]; then
echo " - Compiling MavenWrapperDownloader.java ..."
fi
# Compiling the Java class
("$JAVA_HOME/bin/javac" "$javaClass")
fi
if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
# Running the downloader
if [ "$MVNW_VERBOSE" = true ]; then
echo " - Running MavenWrapperDownloader.java ..."
fi
("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
fi
fi
fi
fi
##########################################################################################
# End of extension
##########################################################################################
export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
if [ "$MVNW_VERBOSE" = true ]; then
echo $MAVEN_PROJECTBASEDIR
fi
MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
# For Cygwin, switch paths to Windows format before running java
if $cygwin; then
[ -n "$M2_HOME" ] &&
M2_HOME=`cygpath --path --windows "$M2_HOME"`
[ -n "$JAVA_HOME" ] &&
JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
[ -n "$CLASSPATH" ] &&
CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
[ -n "$MAVEN_PROJECTBASEDIR" ] &&
MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
fi
# Provide a "standardized" way to retrieve the CLI args that will
# work with both Windows and non-Windows executions.
MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@"
export MAVEN_CMD_LINE_ARGS
WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
exec "$JAVACMD" \
$MAVEN_OPTS \
$MAVEN_DEBUG_OPTS \
-classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
"-Dmaven.home=${M2_HOME}" \
"-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"
@REM ----------------------------------------------------------------------------
@REM Licensed to the Apache Software Foundation (ASF) under one
@REM or more contributor license agreements. See the NOTICE file
@REM distributed with this work for additional information
@REM regarding copyright ownership. The ASF licenses this file
@REM to you under the Apache License, Version 2.0 (the
@REM "License"); you may not use this file except in compliance
@REM with the License. You may obtain a copy of the License at
@REM
@REM https://www.apache.org/licenses/LICENSE-2.0
@REM
@REM Unless required by applicable law or agreed to in writing,
@REM software distributed under the License is distributed on an
@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
@REM KIND, either express or implied. See the License for the
@REM specific language governing permissions and limitations
@REM under the License.
@REM ----------------------------------------------------------------------------
@REM ----------------------------------------------------------------------------
@REM Maven Start Up Batch script
@REM
@REM Required ENV vars:
@REM JAVA_HOME - location of a JDK home dir
@REM
@REM Optional ENV vars
@REM M2_HOME - location of maven2's installed home dir
@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
@REM e.g. to debug Maven itself, use
@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
@REM ----------------------------------------------------------------------------
@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
@echo off
@REM set title of command window
title %0
@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
@if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO%
@REM set %HOME% to equivalent of $HOME
if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
@REM Execute a user defined script before this one
if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
@REM check for pre script, once with legacy .bat ending and once with .cmd ending
if exist "%USERPROFILE%\mavenrc_pre.bat" call "%USERPROFILE%\mavenrc_pre.bat" %*
if exist "%USERPROFILE%\mavenrc_pre.cmd" call "%USERPROFILE%\mavenrc_pre.cmd" %*
:skipRcPre
@setlocal
set ERROR_CODE=0
@REM To isolate internal variables from possible post scripts, we use another setlocal
@setlocal
@REM ==== START VALIDATION ====
if not "%JAVA_HOME%" == "" goto OkJHome
echo.
echo Error: JAVA_HOME not found in your environment. >&2
echo Please set the JAVA_HOME variable in your environment to match the >&2
echo location of your Java installation. >&2
echo.
goto error
:OkJHome
if exist "%JAVA_HOME%\bin\java.exe" goto init
echo.
echo Error: JAVA_HOME is set to an invalid directory. >&2
echo JAVA_HOME = "%JAVA_HOME%" >&2
echo Please set the JAVA_HOME variable in your environment to match the >&2
echo location of your Java installation. >&2
echo.
goto error
@REM ==== END VALIDATION ====
:init
@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
@REM Fallback to current working directory if not found.
set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
set EXEC_DIR=%CD%
set WDIR=%EXEC_DIR%
:findBaseDir
IF EXIST "%WDIR%"\.mvn goto baseDirFound
cd ..
IF "%WDIR%"=="%CD%" goto baseDirNotFound
set WDIR=%CD%
goto findBaseDir
:baseDirFound
set MAVEN_PROJECTBASEDIR=%WDIR%
cd "%EXEC_DIR%"
goto endDetectBaseDir
:baseDirNotFound
set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
cd "%EXEC_DIR%"
:endDetectBaseDir
IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
@setlocal EnableExtensions EnableDelayedExpansion
for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
:endReadAdditionalConfig
SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
)
@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
if exist %WRAPPER_JAR% (
if "%MVNW_VERBOSE%" == "true" (
echo Found %WRAPPER_JAR%
)
) else (
if not "%MVNW_REPOURL%" == "" (
SET DOWNLOAD_URL="%MVNW_REPOURL%/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
)
if "%MVNW_VERBOSE%" == "true" (
echo Couldn't find %WRAPPER_JAR%, downloading it ...
echo Downloading from: %DOWNLOAD_URL%
)
powershell -Command "&{"^
"$webclient = new-object System.Net.WebClient;"^
"if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
"$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
"}"^
"[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
"}"
if "%MVNW_VERBOSE%" == "true" (
echo Finished downloading %WRAPPER_JAR%
)
)
@REM End of extension
@REM Provide a "standardized" way to retrieve the CLI args that will
@REM work with both Windows and non-Windows executions.
set MAVEN_CMD_LINE_ARGS=%*
%MAVEN_JAVA_EXE% ^
%JVM_CONFIG_MAVEN_PROPS% ^
%MAVEN_OPTS% ^
%MAVEN_DEBUG_OPTS% ^
-classpath %WRAPPER_JAR% ^
"-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" ^
%WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
if ERRORLEVEL 1 goto error
goto end
:error
set ERROR_CODE=1
:end
@endlocal & set ERROR_CODE=%ERROR_CODE%
if not "%MAVEN_SKIP_RC%"=="" goto skipRcPost
@REM check for post script, once with legacy .bat ending and once with .cmd ending
if exist "%USERPROFILE%\mavenrc_post.bat" call "%USERPROFILE%\mavenrc_post.bat"
if exist "%USERPROFILE%\mavenrc_post.cmd" call "%USERPROFILE%\mavenrc_post.cmd"
:skipRcPost
@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
if "%MAVEN_BATCH_PAUSE%"=="on" pause
if "%MAVEN_TERMINATE_CMD%"=="on" exit %ERROR_CODE%
cmd /C exit /B %ERROR_CODE%
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>3.0.1</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.nisum.poc</groupId>
<artifactId>Webflux</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>Webflux</name>
<description>Demo project for Spring Boot webFlux</description>
<properties>
<java.version>17</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-mongodb-reactive</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-webflux</artifactId>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>io.projectreactor</groupId>
<artifactId>reactor-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<excludes>
<exclude>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</exclude>
</excludes>
</configuration>
</plugin>
</plugins>
</build>
</project>
package com.nisum.poc.Webflux;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.domain.EntityScan;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.data.mongodb.repository.config.EnableReactiveMongoRepositories;
import org.springframework.stereotype.Component;
@SpringBootApplication
@ComponentScan(basePackages = "com.nisum")
@EntityScan("com.nisum.poc")
//@EnableReactiveMongoRepositories(basePackages = "com.nisum.poc")
public class WebFluxApplication {
public static void main(String[] args) {
SpringApplication.run(WebFluxApplication.class, args);
}
}
package com.nisum.poc.Webflux.config;
import com.mongodb.reactivestreams.client.MongoClient;
import com.mongodb.reactivestreams.client.MongoClients;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.mongodb.config.AbstractReactiveMongoConfiguration;
import org.springframework.data.mongodb.core.ReactiveMongoTemplate;
import org.springframework.data.mongodb.repository.config.EnableMongoRepositories;
import org.springframework.data.mongodb.repository.config.EnableReactiveMongoRepositories;
@Configuration
@EnableReactiveMongoRepositories(basePackages = "com.nisum")
public class MongoDBConfiguration extends AbstractReactiveMongoConfiguration {
@Value("${db.name}")
private String dbname;
@Value("${db.host}")
private String dbHost;
@Override
public MongoClient reactiveMongoClient() {
return MongoClients.create();
}
@Override
protected String getDatabaseName() {
return dbname ;
}
@Bean
public ReactiveMongoTemplate reactiveMongoTemplate(){
return new ReactiveMongoTemplate(reactiveMongoClient(),getDatabaseName());
}
}
package com.nisum.poc.Webflux.config;
import org.springframework.context.annotation.Configuration;
import org.springframework.stereotype.Component;
import org.springframework.web.reactive.config.EnableWebFlux;
import org.springframework.web.reactive.config.WebFluxConfigurer;
@Configuration
@EnableWebFlux
public class WebFluxConfig implements WebFluxConfigurer {
}
package com.nisum.poc.Webflux.config;
import com.nisum.poc.Webflux.entity.Student;
import io.netty.handler.codec.http.websocketx.extensions.compression.WebSocketClientCompressionHandler;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.MediaType;
import org.springframework.web.reactive.function.client.WebClient;
import reactor.core.publisher.Flux;
@Configuration
public class WebclientEx {
WebClient client = WebClient.create("http://localhost:4042");
public Flux<Student> getAllStudents(){
return client.get().uri("/allStudents").accept(MediaType.APPLICATION_JSON).retrieve().bodyToFlux(Student.class);
}
}
package com.nisum.poc.Webflux.controller;
import com.nisum.poc.Webflux.entity.Address;
import com.nisum.poc.Webflux.model.AddressPayload;
import com.nisum.poc.Webflux.service.IAddressService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RestController;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
@RestController
public class AddressController {
@Autowired
IAddressService addressService;
@PostMapping("/saveaddress")
public Mono<Address> createAddress(@RequestBody Address address){
return addressService.createAddress(address);
}
@GetMapping("/alladdress")
public Flux<Address> getAllAddress(){
return addressService.getAllAddress();
}
}
package com.nisum.poc.Webflux.controller;
import com.nisum.poc.Webflux.entity.Student;
import com.nisum.poc.Webflux.entity.Subject;
import com.nisum.poc.Webflux.model.StudentPayload;
import com.nisum.poc.Webflux.service.IStudentService;
import com.nisum.poc.Webflux.service.ISubjectsService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RestController;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import java.time.Duration;
import java.util.Arrays;
import java.util.List;
@RestController
public class StudentController {
@Autowired
IStudentService studentService;
@PostMapping("/saveStudent")
public Mono<Student> creatStudent(@RequestBody Student student){
return studentService.createStudent(student);
}
@GetMapping("/allStudents")
public Flux<StudentPayload> getAllStudents(){
return studentService.getAllStudents();
}
@GetMapping("/concatEx")
public Flux<String> concatFlux(){
return studentService.concat();
}
@GetMapping("/mergeEx")
public Flux<String> mergeFlux(){
return studentService.merge().log();
}
@GetMapping("/zipEx")
public Flux<Integer> zip(){
return studentService.combineWithZip();
}
@GetMapping("/zipWithEx")
public Flux<Integer> zipWith(){
Flux<Integer> evenNumbers = Flux
.range(1, 5)
.filter(x -> x % 2 == 0); // i.e. 2, 4
Flux<Integer> oddNumbers = Flux
.range(1, 5)
.filter(x -> x % 2 > 0);//1,3,5
Flux<Integer> concatIntegers = Flux.concat(evenNumbers,oddNumbers);
Flux<Integer> mergefIntegers = Flux.merge(evenNumbers,oddNumbers);
Flux<Integer> zipIntegers = Flux.zip(evenNumbers,oddNumbers,(a,b)->a*b).log();
//flux to mono last(),next(),elementAt(1), haselements() haselement(1),
Mono<Integer> integerMono = oddNumbers.next();
Flux<Integer> zipwithIntegers = evenNumbers.zipWith(oddNumbers,(a,b)->a*b);//2,12
return zipwithIntegers;
}
@GetMapping("/flatMap")
public Flux<String> transformUsingFlatMap() {
List<String> names = Arrays.asList("google ", "abc", "fb", " stackoverflow"," bhanuchander"," reddy");
Flux<String> namess = Flux.fromIterable(names).filter(name -> name.length() >= 5).flatMap(name -> {
return Flux.just(name.toUpperCase()).
delayElements(Duration.ofMillis(151)).log();
});
return namess;
}
}
package com.nisum.poc.Webflux.controller;
import com.nisum.poc.Webflux.entity.Address;
import com.nisum.poc.Webflux.entity.Subject;
import com.nisum.poc.Webflux.service.ISubjectsService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RestController;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
@RestController
public class SubjectsController {
@Autowired
ISubjectsService subjectsService;
@PostMapping("/savesubject")
public Mono<Subject> creatSubject(@RequestBody Subject subject){
return subjectsService.createSuject(subject);
}
@GetMapping("/allsubjects")
public Flux<Subject> getAllSubjects(){
return subjectsService.getAllSubjects();
}
}
package com.nisum.poc.Webflux.entity;
import lombok.*;
import org.springframework.context.annotation.Scope;
import org.springframework.context.annotation.ScopedProxyMode;
import org.springframework.data.annotation.Id;
import org.springframework.data.annotation.Transient;
import org.springframework.data.mongodb.core.mapping.Document;
@AllArgsConstructor
@NoArgsConstructor
@Setter
@Getter
@Document
@Builder
//@Scope(scopeName="request",proxyMode = ScopedProxyMode.TARGET_CLASS)
public class Address {
@Transient
public static final String SEQUENCE_NAME = "users_sequence";
@Id
private Long id;
private String address;
private String city;
private String pinCode;
private String addressType;
private Long studentId;
}
package com.nisum.poc.Webflux.entity;
import lombok.*;
import org.springframework.context.annotation.Scope;
import org.springframework.context.annotation.ScopedProxyMode;
import org.springframework.data.annotation.Id;
import org.springframework.data.annotation.Transient;
import org.springframework.data.mongodb.core.mapping.Document;
import java.util.List;
@Document
@AllArgsConstructor
@NoArgsConstructor
@Setter
@Getter
@Builder
//@Scope(scopeName="request",proxyMode = ScopedProxyMode.TARGET_CLASS)
public class Student {
@Transient
public static final String SEQUENCE_NAME = "users_sequence";
@Id
private Long id;
private String firstName;
private String lastName;
private Integer age;
private List<String> phoneNumbers;
private List<Address> address;
private List<Subject> subjects;
}
package com.nisum.poc.Webflux.entity;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.springframework.context.annotation.Scope;
import org.springframework.context.annotation.ScopedProxyMode;
import org.springframework.data.annotation.Id;
import org.springframework.data.annotation.Transient;
import org.springframework.data.mongodb.core.mapping.Document;
@AllArgsConstructor
@NoArgsConstructor
@Data
@Document
@Builder
//@Scope(scopeName="request",proxyMode = ScopedProxyMode.TARGET_CLASS)
public class Subject {
@Transient
public static final String SEQUENCE_NAME = "users_sequence";
@Id
private Long id;
private String subjectName;
private Long studentId;
}
package com.nisum.poc.Webflux.model;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
@Data
@AllArgsConstructor
@NoArgsConstructor
public class AddressPayload {
private Integer id;
private String address;
private String city;
private String pinCode;
private String addressType;
private Long studentId;
}
package com.nisum.poc.Webflux.model;
import com.nisum.poc.Webflux.entity.Address;
import com.nisum.poc.Webflux.entity.Subject;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.springframework.data.mongodb.core.aggregation.ArrayOperators;
import java.util.List;
@Data
@AllArgsConstructor
@NoArgsConstructor
public class StudentPayload {
private Long id;
private String firstName;
private String lastName;
private Integer age;
private List<String> phoneNumbers;
private List<Address> addresses;
private List<Subject> subjects;
}
package com.nisum.poc.Webflux.model;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
@Data
@AllArgsConstructor
@NoArgsConstructor
public class SubjectPayload {
private Integer id;
private String subjectName;
private Long studentId;
}
package com.nisum.poc.Webflux.repository;
import com.nisum.poc.Webflux.entity.Address;
import org.springframework.data.mongodb.repository.ReactiveMongoRepository;
import org.springframework.stereotype.Repository;
import reactor.core.publisher.Flux;
@Repository
public interface AddressRepository extends ReactiveMongoRepository<Address, Long> {
Flux<Address> findByStudentId(Long studentId);
}
package com.nisum.poc.Webflux.repository;
import org.springframework.data.mongodb.repository.ReactiveMongoRepository;
import com.nisum.poc.Webflux.entity.Student;
import org.springframework.stereotype.Repository;
@Repository
public interface StudentRepository extends ReactiveMongoRepository<Student,Long> {
}
package com.nisum.poc.Webflux.repository;
import com.nisum.poc.Webflux.entity.Address;
import com.nisum.poc.Webflux.entity.Subject;
import org.springframework.data.mongodb.repository.ReactiveMongoRepository;
import org.springframework.stereotype.Repository;
import reactor.core.publisher.Flux;
@Repository
public interface SubjectRepository extends ReactiveMongoRepository<Subject,Long> {
Flux<Subject> findByStudentId(Long subjectId);
}
package com.nisum.poc.Webflux.service;
import com.nisum.poc.Webflux.entity.Address;
import com.nisum.poc.Webflux.model.AddressPayload;
import org.springframework.stereotype.Service;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
@Service
public interface IAddressService {
Mono<Address> createAddress(Address address);
Flux<Address> getAllAddress();
}
package com.nisum.poc.Webflux.service;
import com.nisum.poc.Webflux.entity.Student;
import com.nisum.poc.Webflux.entity.Subject;
import com.nisum.poc.Webflux.model.StudentPayload;
import org.springframework.stereotype.Repository;
import org.springframework.stereotype.Service;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
@Service
public interface IStudentService {
Mono<Student> createStudent(Student student);
Flux<StudentPayload> getAllStudents();
Flux<String> concat();
Flux<String> merge();
public Flux<Integer> combineWithZip();
}
package com.nisum.poc.Webflux.service;
import com.nisum.poc.Webflux.entity.Address;
import com.nisum.poc.Webflux.entity.Subject;
import org.springframework.stereotype.Service;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
@Service
public interface ISubjectsService {
Mono<Subject> createSuject(Subject subject);
Flux<Subject> getAllSubjects();
}
package com.nisum.poc.Webflux.service.impl;
import com.nisum.poc.Webflux.entity.Address;
import com.nisum.poc.Webflux.repository.AddressRepository;
import com.nisum.poc.Webflux.service.IAddressService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
@Service
@Slf4j
public class AddressServiceImpl implements IAddressService {
@Autowired
AddressRepository addressRepository;
@Override
public Mono<Address> createAddress(Address address) {
return addressRepository.save(address);
}
@Override
public Flux<Address> getAllAddress() {
return addressRepository.findAll();
}
}
package com.nisum.poc.Webflux.service.impl;
import com.nisum.poc.Webflux.entity.Address;
import com.nisum.poc.Webflux.entity.Student;
import com.nisum.poc.Webflux.entity.Subject;
import com.nisum.poc.Webflux.model.StudentPayload;
import com.nisum.poc.Webflux.repository.AddressRepository;
import com.nisum.poc.Webflux.repository.StudentRepository;
import com.nisum.poc.Webflux.repository.SubjectRepository;
import com.nisum.poc.Webflux.service.IStudentService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import reactor.util.function.Tuple2;
import java.util.ArrayList;
import java.util.List;
@Service
@Slf4j
public class StudentServiceImpl implements IStudentService {
@Autowired
StudentRepository studentRepository;
@Autowired
AddressRepository addressRepository;
@Autowired
SubjectRepository subjectRepository;
@Override
public Mono<Student> createStudent(Student student) {
Student student1 = new Student();
student1.setId(student.getId());
student1.setAge(student.getAge());
student1.setFirstName(student.getFirstName());
student1.setLastName(student.getLastName());
student1.setPhoneNumbers(student.getPhoneNumbers());
Mono<Student> studentMono = studentRepository.save(student1);
List<Address> addressList = new ArrayList<>();
List<Subject> subjectList = new ArrayList<>();
studentMono.subscribe(studentmono -> {
student.getAddress().forEach(address -> {
Address address1 = new Address();
address1.setId(address.getId());
address1.setAddress(address.getAddress());
address1.setStudentId(studentmono.getId());
address1.setCity(address.getCity());
address1.setAddressType(address.getAddressType());
address1.setPinCode(address.getPinCode());
addressList.add(address1);
});
student.getSubjects().forEach(sub -> {
Subject subject = new Subject();
subject.setId(sub.getId());
subject.setSubjectName(sub.getSubjectName());
subject.setStudentId(studentmono.getId());
subjectList.add(subject);
});
Flux<Address> addressFlux = addressRepository.saveAll(addressList);
Flux<Subject> subjectFlux = subjectRepository.saveAll(subjectList);
});
return studentMono;
}
@Override
public Flux<StudentPayload> getAllStudents() {
return studentRepository.findAll().flatMap(student -> {
Flux<Address> addressFlux = addressRepository.findByStudentId(student.getId()).switchIfEmpty(Flux.just(new Address()));
Flux<Subject> subjectFlux = subjectRepository.findByStudentId(student.getId()).switchIfEmpty(Flux.just(new Subject()));
StudentPayload studentPayload = new StudentPayload();
studentPayload.setId(student.getId());
studentPayload.setAge(student.getAge());
studentPayload.setPhoneNumbers(student.getPhoneNumbers());
studentPayload.setFirstName(student.getFirstName());
studentPayload.setLastName(student.getLastName());
studentPayload.setAddresses(addressFlux.collectList().block());
studentPayload.setSubjects(subjectFlux.collectList().block());
Flux<StudentPayload> studentPayloadFlux = Flux.just(studentPayload);
return studentPayloadFlux;
});
// return studentFlux;
}
public Flux<String> concat() {
Flux<String> names1 = Flux.just("Hi ", " Hello ", "how ");
Flux<String> names2 = Flux.just("are ", " you ", " Doing");
Flux<String> names = Flux.concat(names1, names2).log();
return names;
}
public Flux<String> merge() {
Flux<String> names1 = Flux.just("Hi ", " Hello ", "how ");
Flux<String> names2 = Flux.just("are ", " you ", " Doing");
Flux<String> names = Flux.merge(names1, names2).log();
return names;
}
public Flux<Integer> combineWithZip(){
Flux<Integer> name1 = Flux.just(1, 2, 3);
Flux<Integer> name2 = Flux.just(4,5,6);
Flux<Integer> name3 = Flux.zip(name1,name2,(n1, n2)->{
return n1*n2;
});
return name3;
}
public Mono<String> combineWithZipChara(){
Mono<String> name1 = Mono.just("Hi");
Mono<String> name2 = Mono.just("are");
Flux<String> name3 = Mono.zip(name1,name2).flatMap(a ->{
a.getT1().toString();
});
}
}
package com.nisum.poc.Webflux.service.impl;
import com.nisum.poc.Webflux.entity.Address;
import com.nisum.poc.Webflux.entity.Subject;
import com.nisum.poc.Webflux.repository.SubjectRepository;
import com.nisum.poc.Webflux.service.ISubjectsService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
@Service
@Slf4j
public class SubjectsServiceImpl implements ISubjectsService {
@Autowired
SubjectRepository subjectRepository;
@Override
public Mono<Subject> createSuject(Subject subject) {
return subjectRepository.save(subject);
}
@Override
public Flux<Subject> getAllSubjects() {
return subjectRepository.findAll();
}
}
db.name=StudentDatabase
db.host=mongodb://localhost:27017
server.port=4042
package com.nisum.poc.Webflux;
import org.junit.jupiter.api.Test;
import org.springframework.boot.test.context.SpringBootTest;
@SpringBootTest
class WebfluxApplicationTests {
@Test
void contextLoads() {
}
}
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