diff --git a/2021-05-24/.gitignore b/2021-05-24/.gitignore
new file mode 100644
index 00000000..c2065bc2
--- /dev/null
+++ b/2021-05-24/.gitignore
@@ -0,0 +1,37 @@
+HELP.md
+.gradle
+build/
+!gradle/wrapper/gradle-wrapper.jar
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+bin/
+!**/src/main/**/bin/
+!**/src/test/**/bin/
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/
diff --git a/2021-05-24/.gradle/7.0.2/dependencies-accessors/dependencies-accessors.lock b/2021-05-24/.gradle/7.0.2/dependencies-accessors/dependencies-accessors.lock
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index 00000000..084b2280
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new file mode 100644
index 00000000..e69de29b
diff --git a/2021-05-24/.gradle/buildOutputCleanup/buildOutputCleanup.lock b/2021-05-24/.gradle/buildOutputCleanup/buildOutputCleanup.lock
new file mode 100644
index 00000000..b9ff4f10
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diff --git a/2021-05-24/.gradle/buildOutputCleanup/cache.properties b/2021-05-24/.gradle/buildOutputCleanup/cache.properties
new file mode 100644
index 00000000..79037b0b
--- /dev/null
+++ b/2021-05-24/.gradle/buildOutputCleanup/cache.properties
@@ -0,0 +1,2 @@
+#Mon May 24 10:49:16 CEST 2021
+gradle.version=7.0.2
diff --git a/2021-05-24/.gradle/buildOutputCleanup/outputFiles.bin b/2021-05-24/.gradle/buildOutputCleanup/outputFiles.bin
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index 00000000..b5496f83
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index 00000000..24d52c0f
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diff --git a/2021-05-24/.gradle/checksums/md5-checksums.bin b/2021-05-24/.gradle/checksums/md5-checksums.bin
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index 00000000..cc7f0eaa
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diff --git a/2021-05-24/.gradle/checksums/sha1-checksums.bin b/2021-05-24/.gradle/checksums/sha1-checksums.bin
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index 00000000..dc4d8ac5
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diff --git a/2021-05-24/.gradle/vcs-1/gc.properties b/2021-05-24/.gradle/vcs-1/gc.properties
new file mode 100644
index 00000000..e69de29b
diff --git a/2021-05-24/.idea/.gitignore b/2021-05-24/.idea/.gitignore
new file mode 100644
index 00000000..73f69e09
--- /dev/null
+++ b/2021-05-24/.idea/.gitignore
@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
+# Editor-based HTTP Client requests
+/httpRequests/
diff --git a/2021-05-24/.idea/.name b/2021-05-24/.idea/.name
new file mode 100644
index 00000000..b38f7847
--- /dev/null
+++ b/2021-05-24/.idea/.name
@@ -0,0 +1 @@
+kafka1
\ No newline at end of file
diff --git a/2021-05-24/.idea/compiler.xml b/2021-05-24/.idea/compiler.xml
new file mode 100644
index 00000000..fb7f4a8a
--- /dev/null
+++ b/2021-05-24/.idea/compiler.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/2021-05-24/.idea/gradle.xml b/2021-05-24/.idea/gradle.xml
new file mode 100644
index 00000000..ba1ec5c7
--- /dev/null
+++ b/2021-05-24/.idea/gradle.xml
@@ -0,0 +1,16 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/2021-05-24/.idea/jarRepositories.xml b/2021-05-24/.idea/jarRepositories.xml
new file mode 100644
index 00000000..fdc392fe
--- /dev/null
+++ b/2021-05-24/.idea/jarRepositories.xml
@@ -0,0 +1,20 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/2021-05-24/.idea/misc.xml b/2021-05-24/.idea/misc.xml
new file mode 100644
index 00000000..5d982561
--- /dev/null
+++ b/2021-05-24/.idea/misc.xml
@@ -0,0 +1,10 @@
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/2021-05-24/.idea/modules/2021-05-24.iml b/2021-05-24/.idea/modules/2021-05-24.iml
new file mode 100644
index 00000000..f4915405
--- /dev/null
+++ b/2021-05-24/.idea/modules/2021-05-24.iml
@@ -0,0 +1,8 @@
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/2021-05-24/.idea/workspace.xml b/2021-05-24/.idea/workspace.xml
new file mode 100644
index 00000000..9593c496
--- /dev/null
+++ b/2021-05-24/.idea/workspace.xml
@@ -0,0 +1,85 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ 1621845961635
+
+
+ 1621845961635
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/2021-05-24/HELP.md b/2021-05-24/HELP.md
new file mode 100644
index 00000000..ebe00d6b
--- /dev/null
+++ b/2021-05-24/HELP.md
@@ -0,0 +1,26 @@
+# Getting Started
+
+### Reference Documentation
+
+For further reference, please consider the following sections:
+
+* [Official Gradle documentation](https://docs.gradle.org)
+* [Spring Boot Gradle Plugin Reference Guide](https://docs.spring.io/spring-boot/docs/2.5.0/gradle-plugin/reference/html/)
+* [Create an OCI image](https://docs.spring.io/spring-boot/docs/2.5.0/gradle-plugin/reference/html/#build-image)
+* [Spring Web](https://docs.spring.io/spring-boot/docs/2.5.0/reference/htmlsingle/#boot-features-developing-web-applications)
+* [Spring for Apache Kafka](https://docs.spring.io/spring-boot/docs/2.5.0/reference/htmlsingle/#boot-features-kafka)
+
+### Guides
+
+The following guides illustrate how to use some features concretely:
+
+* [Building a RESTful Web Service](https://spring.io/guides/gs/rest-service/)
+* [Serving Web Content with Spring MVC](https://spring.io/guides/gs/serving-web-content/)
+* [Building REST services with Spring](https://spring.io/guides/tutorials/bookmarks/)
+
+### Additional Links
+
+These additional references should also help you:
+
+* [Gradle Build Scans – insights for your project's build](https://scans.gradle.com#gradle)
+
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new file mode 100644
index 00000000..04a4cbaa
--- /dev/null
+++ b/2021-05-24/build.gradle.kts
@@ -0,0 +1,38 @@
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+
+plugins {
+ id("org.springframework.boot") version "2.5.0"
+ id("io.spring.dependency-management") version "1.0.11.RELEASE"
+ kotlin("jvm") version "1.5.0"
+ kotlin("plugin.spring") version "1.5.0"
+}
+
+group = "it.polito.s279434"
+version = "0.0.1-SNAPSHOT"
+java.sourceCompatibility = JavaVersion.VERSION_11
+
+repositories {
+ mavenCentral()
+}
+
+dependencies {
+ implementation("org.springframework.boot:spring-boot-starter-web")
+ //implementation("com.fasterxml.jackson.module:jackson-module-kotlin")
+ implementation("org.springframework.boot:spring-boot-starter")
+ implementation("org.jetbrains.kotlin:kotlin-reflect")
+ implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
+ implementation("org.springframework.kafka:spring-kafka")
+ testImplementation("org.springframework.boot:spring-boot-starter-test")
+ testImplementation("org.springframework.kafka:spring-kafka-test")
+}
+
+tasks.withType {
+ kotlinOptions {
+ freeCompilerArgs = listOf("-Xjsr305=strict")
+ jvmTarget = "11"
+ }
+}
+
+tasks.withType {
+ useJUnitPlatform()
+}
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diff --git a/2021-05-24/build/kotlin/compileKotlin/last-build.bin b/2021-05-24/build/kotlin/compileKotlin/last-build.bin
new file mode 100644
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diff --git a/2021-05-24/build/resources/main/application.properties b/2021-05-24/build/resources/main/application.properties
new file mode 100644
index 00000000..3ee280b2
--- /dev/null
+++ b/2021-05-24/build/resources/main/application.properties
@@ -0,0 +1,3 @@
+spring.kafka.bootstrap-servers=localhost:9092
+spring.kafka.consumer.group-id=myGroup
+spring.kafka.consumer.auto-offset-reset=latest
\ No newline at end of file
diff --git a/2021-05-24/gradle/wrapper/gradle-wrapper.jar b/2021-05-24/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 00000000..e708b1c0
Binary files /dev/null and b/2021-05-24/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/2021-05-24/gradle/wrapper/gradle-wrapper.properties b/2021-05-24/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 00000000..0f80bbf5
--- /dev/null
+++ b/2021-05-24/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.0.2-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/2021-05-24/gradlew b/2021-05-24/gradlew
new file mode 100644
index 00000000..4f906e0c
--- /dev/null
+++ b/2021-05-24/gradlew
@@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed 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.
+#
+
+##############################################################################
+##
+## Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+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"`"/$link"
+ fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+ echo "$*"
+}
+
+die () {
+ echo
+ echo "$*"
+ echo
+ exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+ CYGWIN* )
+ cygwin=true
+ ;;
+ Darwin* )
+ darwin=true
+ ;;
+ MINGW* )
+ msys=true
+ ;;
+ NONSTOP* )
+ nonstop=true
+ ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+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
+ if [ ! -x "$JAVACMD" ] ; then
+ die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+ fi
+else
+ JAVACMD="java"
+ which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+ MAX_FD_LIMIT=`ulimit -H -n`
+ if [ $? -eq 0 ] ; then
+ if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+ MAX_FD="$MAX_FD_LIMIT"
+ fi
+ ulimit -n $MAX_FD
+ if [ $? -ne 0 ] ; then
+ warn "Could not set maximum file descriptor limit: $MAX_FD"
+ fi
+ else
+ warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+ fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+ GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+ APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+ CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+ JAVACMD=`cygpath --unix "$JAVACMD"`
+
+ # We build the pattern for arguments to be converted via cygpath
+ ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+ SEP=""
+ for dir in $ROOTDIRSRAW ; do
+ ROOTDIRS="$ROOTDIRS$SEP$dir"
+ SEP="|"
+ done
+ OURCYGPATTERN="(^($ROOTDIRS))"
+ # Add a user-defined pattern to the cygpath arguments
+ if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+ OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+ fi
+ # Now convert the arguments - kludge to limit ourselves to /bin/sh
+ i=0
+ for arg in "$@" ; do
+ CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+ CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
+
+ if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
+ eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+ else
+ eval `echo args$i`="\"$arg\""
+ fi
+ i=`expr $i + 1`
+ done
+ case $i in
+ 0) set -- ;;
+ 1) set -- "$args0" ;;
+ 2) set -- "$args0" "$args1" ;;
+ 3) set -- "$args0" "$args1" "$args2" ;;
+ 4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+ 5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+ 6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+ 7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+ 8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+ 9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+ esac
+fi
+
+# Escape application args
+save () {
+ for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+ echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"
diff --git a/2021-05-24/gradlew.bat b/2021-05-24/gradlew.bat
new file mode 100644
index 00000000..107acd32
--- /dev/null
+++ b/2021-05-24/gradlew.bat
@@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem 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, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/2021-05-24/settings.gradle.kts b/2021-05-24/settings.gradle.kts
new file mode 100644
index 00000000..8ce9d1bd
--- /dev/null
+++ b/2021-05-24/settings.gradle.kts
@@ -0,0 +1 @@
+rootProject.name = "kafka1"
diff --git a/2021-05-24/src/main/kotlin/it/polito/s279434/kafka1/Kafka1Application.kt b/2021-05-24/src/main/kotlin/it/polito/s279434/kafka1/Kafka1Application.kt
new file mode 100644
index 00000000..ddab3590
--- /dev/null
+++ b/2021-05-24/src/main/kotlin/it/polito/s279434/kafka1/Kafka1Application.kt
@@ -0,0 +1,11 @@
+package it.polito.s279434.kafka1
+
+import org.springframework.boot.autoconfigure.SpringBootApplication
+import org.springframework.boot.runApplication
+
+@SpringBootApplication
+class Kafka1Application
+
+fun main(args: Array) {
+ runApplication(*args)
+}
diff --git a/2021-05-24/src/main/kotlin/it/polito/s279434/kafka1/KafkaConfiguration.kt b/2021-05-24/src/main/kotlin/it/polito/s279434/kafka1/KafkaConfiguration.kt
new file mode 100644
index 00000000..943507d7
--- /dev/null
+++ b/2021-05-24/src/main/kotlin/it/polito/s279434/kafka1/KafkaConfiguration.kt
@@ -0,0 +1,60 @@
+package it.polito.s279434.kafka1
+
+import it.polito.s279434.kafka1.dto.RequestDTO
+import org.apache.kafka.clients.admin.NewTopic
+import org.apache.kafka.clients.consumer.ConsumerConfig
+import org.apache.kafka.clients.producer.ProducerConfig
+import org.apache.kafka.common.serialization.StringDeserializer
+import org.apache.kafka.common.serialization.StringSerializer
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+import org.springframework.kafka.config.ConcurrentKafkaListenerContainerFactory
+import org.springframework.kafka.config.TopicBuilder
+import org.springframework.kafka.core.*
+import org.springframework.kafka.support.serializer.JsonDeserializer
+import org.springframework.kafka.support.serializer.JsonSerializer
+
+@Configuration
+class KafkaConfiguration {
+ @Bean
+ fun requestDTOProducerFactory(): ProducerFactory{
+ val configProps = mutableMapOf()
+ configProps[ProducerConfig.BOOTSTRAP_SERVERS_CONFIG] = "localhost:9092"
+ configProps[ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG] = StringSerializer::class.java
+ configProps[ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG] = JsonSerializer::class.java
+ return DefaultKafkaProducerFactory(configProps)
+ }
+
+ @Bean
+ fun requestDTOKafkaTemplate(): KafkaTemplate{
+ return KafkaTemplate(requestDTOProducerFactory())
+ }
+
+ @Bean
+ fun requestDTOConsumerFactory(): ConsumerFactory {
+ val configProps = mutableMapOf()
+ configProps[ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG] = "localhost:9092"
+ configProps[ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG] = StringDeserializer::class.java
+ configProps[ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG] = JsonDeserializer::class.java
+ configProps[JsonDeserializer.KEY_DEFAULT_TYPE] = RequestDTO::class.java
+ return DefaultKafkaConsumerFactory(configProps)
+ }
+
+ @Bean
+ fun requestDTOContainerFactory(): ConcurrentKafkaListenerContainerFactory{
+ val factory = ConcurrentKafkaListenerContainerFactory()
+ factory.consumerFactory = requestDTOConsumerFactory()
+ return factory
+ }
+
+ @Bean
+ fun topic1(): NewTopic{
+ return TopicBuilder.name("Requests").build()
+ }
+
+ @Bean
+ fun topic2(): NewTopic{
+ return TopicBuilder.name("Responses").build()
+ }
+
+}
\ No newline at end of file
diff --git a/2021-05-24/src/main/kotlin/it/polito/s279434/kafka1/controllers/MainController.kt b/2021-05-24/src/main/kotlin/it/polito/s279434/kafka1/controllers/MainController.kt
new file mode 100644
index 00000000..cb21dfd4
--- /dev/null
+++ b/2021-05-24/src/main/kotlin/it/polito/s279434/kafka1/controllers/MainController.kt
@@ -0,0 +1,18 @@
+package it.polito.s279434.kafka1.controllers
+
+import it.polito.s279434.kafka1.dto.RequestDTO
+import org.springframework.kafka.core.KafkaTemplate
+import org.springframework.web.bind.annotation.PostMapping
+import org.springframework.web.bind.annotation.RequestBody
+import org.springframework.web.bind.annotation.RestController
+
+@RestController
+class MainController(val kafkaTemplate: KafkaTemplate) {
+ @PostMapping
+ fun process(@RequestBody requestDTO: RequestDTO) {
+ kafkaTemplate.send("Requests", requestDTO).get()
+ }
+
+ //TODO from terminal
+ // http -j :8080 id=3 msg="This is a message fro kafka topic named request"
+}
\ No newline at end of file
diff --git a/2021-05-24/src/main/kotlin/it/polito/s279434/kafka1/dto/RequestDTO.kt b/2021-05-24/src/main/kotlin/it/polito/s279434/kafka1/dto/RequestDTO.kt
new file mode 100644
index 00000000..39c38de3
--- /dev/null
+++ b/2021-05-24/src/main/kotlin/it/polito/s279434/kafka1/dto/RequestDTO.kt
@@ -0,0 +1,3 @@
+package it.polito.s279434.kafka1.dto
+
+data class RequestDTO(val id:Int = 0, val msg: String = "")
\ No newline at end of file
diff --git a/2021-05-24/src/main/kotlin/it/polito/s279434/kafka1/listeners/RequestListener.kt b/2021-05-24/src/main/kotlin/it/polito/s279434/kafka1/listeners/RequestListener.kt
new file mode 100644
index 00000000..5fad6936
--- /dev/null
+++ b/2021-05-24/src/main/kotlin/it/polito/s279434/kafka1/listeners/RequestListener.kt
@@ -0,0 +1,14 @@
+package it.polito.s279434.kafka1.listeners
+
+import it.polito.s279434.kafka1.dto.RequestDTO
+import org.springframework.kafka.annotation.KafkaListener
+import org.springframework.stereotype.Component
+
+@Component
+class RequestListener {
+ @KafkaListener(id="myGroup", topics=["Requests"], containerFactory = "requestDTOContainerFactory")
+ fun listen(requestDTO: RequestDTO){
+ println("Received --> $requestDTO")
+ Thread.sleep(5000)
+ }
+}
\ No newline at end of file
diff --git a/2021-05-24/src/main/resources/application.properties b/2021-05-24/src/main/resources/application.properties
new file mode 100644
index 00000000..3ee280b2
--- /dev/null
+++ b/2021-05-24/src/main/resources/application.properties
@@ -0,0 +1,3 @@
+spring.kafka.bootstrap-servers=localhost:9092
+spring.kafka.consumer.group-id=myGroup
+spring.kafka.consumer.auto-offset-reset=latest
\ No newline at end of file
diff --git a/2021-05-24/src/test/kotlin/it/polito/s279434/kafka1/Kafka1ApplicationTests.kt b/2021-05-24/src/test/kotlin/it/polito/s279434/kafka1/Kafka1ApplicationTests.kt
new file mode 100644
index 00000000..28de0ad7
--- /dev/null
+++ b/2021-05-24/src/test/kotlin/it/polito/s279434/kafka1/Kafka1ApplicationTests.kt
@@ -0,0 +1,13 @@
+package it.polito.s279434.kafka1
+
+import org.junit.jupiter.api.Test
+import org.springframework.boot.test.context.SpringBootTest
+
+@SpringBootTest
+class Kafka1ApplicationTests {
+
+ @Test
+ fun contextLoads() {
+ }
+
+}