diff --git a/Docker/GenericSpring/tokenchain/.env b/Docker/GenericSpring/tokenchain/.env
new file mode 100644
index 0000000..44f9df0
--- /dev/null
+++ b/Docker/GenericSpring/tokenchain/.env
@@ -0,0 +1,12 @@
+DB_DATABASE=tokenchain
+DB_USER=orazio
+DB_PASSWORD=1208
+DB_ROOT_PASSWORD=1208
+DB_HOST=mysqldb
+DB_MYSQL_IMAGE=mysql:5.7
+
+CONTAINER_1_DOCKERFILE=context1/Dockerfile
+CONTAINER_2_DOCKERFILE=context2/Dockerfile
+CONTAINER_3_DOCKERFILE=context3/Dockerfile
+
+PHPMYADMIN_IMAGE=phpmyadmin/phpmyadmin
diff --git a/Docker/GenericSpring/tokenchain/.gitignore b/Docker/GenericSpring/tokenchain/.gitignore
new file mode 100644
index 0000000..549e00a
--- /dev/null
+++ b/Docker/GenericSpring/tokenchain/.gitignore
@@ -0,0 +1,33 @@
+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/
diff --git a/Docker/GenericSpring/tokenchain/.mvn/wrapper/MavenWrapperDownloader.java b/Docker/GenericSpring/tokenchain/.mvn/wrapper/MavenWrapperDownloader.java
new file mode 100644
index 0000000..a45eb6b
--- /dev/null
+++ b/Docker/GenericSpring/tokenchain/.mvn/wrapper/MavenWrapperDownloader.java
@@ -0,0 +1,118 @@
+/*
+ * Copyright 2007-present 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.
+ */
+
+import java.net.*;
+import java.io.*;
+import java.nio.channels.*;
+import java.util.Properties;
+
+public class MavenWrapperDownloader {
+
+ private static final String WRAPPER_VERSION = "0.5.6";
+ /**
+ * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
+ */
+ private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/"
+ + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar";
+
+ /**
+ * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
+ * use instead of the default one.
+ */
+ private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
+ ".mvn/wrapper/maven-wrapper.properties";
+
+ /**
+ * Path where the maven-wrapper.jar will be saved to.
+ */
+ private static final String MAVEN_WRAPPER_JAR_PATH =
+ ".mvn/wrapper/maven-wrapper.jar";
+
+ /**
+ * Name of the property which should be used to override the default download url for the wrapper.
+ */
+ private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
+
+ public static void main(String args[]) {
+ System.out.println("- Downloader started");
+ File baseDirectory = new File(args[0]);
+ System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
+
+ // If the maven-wrapper.properties exists, read it and check if it contains a custom
+ // wrapperUrl parameter.
+ File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
+ String url = DEFAULT_DOWNLOAD_URL;
+ if (mavenWrapperPropertyFile.exists()) {
+ FileInputStream mavenWrapperPropertyFileInputStream = null;
+ try {
+ mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
+ Properties mavenWrapperProperties = new Properties();
+ mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
+ url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
+ } catch (IOException e) {
+ System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
+ } finally {
+ try {
+ if (mavenWrapperPropertyFileInputStream != null) {
+ mavenWrapperPropertyFileInputStream.close();
+ }
+ } catch (IOException e) {
+ // Ignore ...
+ }
+ }
+ }
+ System.out.println("- Downloading from: " + url);
+
+ File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
+ if (!outputFile.getParentFile().exists()) {
+ if (!outputFile.getParentFile().mkdirs()) {
+ System.out.println(
+ "- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+ }
+ }
+ System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
+ try {
+ downloadFileFromURL(url, outputFile);
+ System.out.println("Done");
+ System.exit(0);
+ } catch (Throwable e) {
+ System.out.println("- Error downloading");
+ e.printStackTrace();
+ System.exit(1);
+ }
+ }
+
+ private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+ if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) {
+ String username = System.getenv("MVNW_USERNAME");
+ char[] password = System.getenv("MVNW_PASSWORD").toCharArray();
+ Authenticator.setDefault(new Authenticator() {
+ @Override
+ protected PasswordAuthentication getPasswordAuthentication() {
+ return new PasswordAuthentication(username, password);
+ }
+ });
+ }
+ URL website = new URL(urlString);
+ ReadableByteChannel rbc;
+ rbc = Channels.newChannel(website.openStream());
+ FileOutputStream fos = new FileOutputStream(destination);
+ fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+ fos.close();
+ rbc.close();
+ }
+
+}
diff --git a/Docker/GenericSpring/tokenchain/.mvn/wrapper/maven-wrapper.jar b/Docker/GenericSpring/tokenchain/.mvn/wrapper/maven-wrapper.jar
new file mode 100644
index 0000000..2cc7d4a
Binary files /dev/null and b/Docker/GenericSpring/tokenchain/.mvn/wrapper/maven-wrapper.jar differ
diff --git a/Docker/GenericSpring/tokenchain/.mvn/wrapper/maven-wrapper.properties b/Docker/GenericSpring/tokenchain/.mvn/wrapper/maven-wrapper.properties
new file mode 100644
index 0000000..642d572
--- /dev/null
+++ b/Docker/GenericSpring/tokenchain/.mvn/wrapper/maven-wrapper.properties
@@ -0,0 +1,2 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.3/apache-maven-3.6.3-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar
diff --git a/Docker/GenericSpring/tokenchain/README.md b/Docker/GenericSpring/tokenchain/README.md
new file mode 100644
index 0000000..2f52eb5
--- /dev/null
+++ b/Docker/GenericSpring/tokenchain/README.md
@@ -0,0 +1,8 @@
+ Una semplice applicazione che effettua una comunicazione tra più container attraverso un ring logico di comunicazione tra 3 (o più) diversi container che si trovano
+ su un singolo host. La comunicazione è token-based. Il client non deve fare altro che scegliere il servizio che immetterà il token all'interno della rete
+ e il numero di salti che il token effettuerà all'interno di essa. Riceverà un token di risposta nel caso tutto sia andato a buon fine dall'ultimo container ad aver
+ ricevuto il token.
+
+-> Singolo ENDPOINT ==> GET: http://localhost:[uno tra 2222, 3333 o 4444]/token/run/nome_casuale_del_token/numero_casuale_di_salti
+
+-> E' possibile verificare grazie a phpmyadmin ==> http://localhost:8080 ==> il percorso del token.
diff --git a/Docker/GenericSpring/tokenchain/context1/Dockerfile b/Docker/GenericSpring/tokenchain/context1/Dockerfile
new file mode 100644
index 0000000..29c1e74
--- /dev/null
+++ b/Docker/GenericSpring/tokenchain/context1/Dockerfile
@@ -0,0 +1,11 @@
+FROM maven:3-jdk-8 as builder
+WORKDIR /project
+COPY . .
+RUN mvn package
+
+FROM java:8-alpine
+WORKDIR /app
+COPY --from=builder /project/target/tokenchain-0.0.1-SNAPSHOT.jar .
+
+ENTRYPOINT ["/bin/sh", "-c"]
+CMD [ "java -jar ./tokenchain-0.0.1-SNAPSHOT.jar 2222 3333 container-2" ]
\ No newline at end of file
diff --git a/Docker/GenericSpring/tokenchain/context2/Dockerfile b/Docker/GenericSpring/tokenchain/context2/Dockerfile
new file mode 100644
index 0000000..79400ba
--- /dev/null
+++ b/Docker/GenericSpring/tokenchain/context2/Dockerfile
@@ -0,0 +1,11 @@
+FROM maven:3-jdk-8 as builder
+WORKDIR /project
+COPY . .
+RUN mvn package
+
+FROM java:8-alpine
+WORKDIR /app
+COPY --from=builder /project/target/tokenchain-0.0.1-SNAPSHOT.jar .
+
+ENTRYPOINT ["/bin/sh", "-c"]
+CMD [ "java -jar ./tokenchain-0.0.1-SNAPSHOT.jar 3333 4444 container-3" ]
\ No newline at end of file
diff --git a/Docker/GenericSpring/tokenchain/context3/Dockerfile b/Docker/GenericSpring/tokenchain/context3/Dockerfile
new file mode 100644
index 0000000..730cb6a
--- /dev/null
+++ b/Docker/GenericSpring/tokenchain/context3/Dockerfile
@@ -0,0 +1,11 @@
+FROM maven:3-jdk-8 as builder
+WORKDIR /project
+COPY . .
+RUN mvn package
+
+FROM java:8-alpine
+WORKDIR /app
+COPY --from=builder /project/target/tokenchain-0.0.1-SNAPSHOT.jar .
+
+ENTRYPOINT ["/bin/sh", "-c"]
+CMD [ "java -jar ./tokenchain-0.0.1-SNAPSHOT.jar 4444 2222 container-1" ]
\ No newline at end of file
diff --git a/Docker/GenericSpring/tokenchain/docker-compose.yml b/Docker/GenericSpring/tokenchain/docker-compose.yml
new file mode 100644
index 0000000..fa3436e
--- /dev/null
+++ b/Docker/GenericSpring/tokenchain/docker-compose.yml
@@ -0,0 +1,74 @@
+version: '3'
+
+x-common-db-variables: &common-db-variables
+ MYSQL_HOST: ${DB_HOST}
+ MYSQL_USERNAME: ${DB_USER}
+ MYSQL_PASSWORD: ${DB_PASSWORD}
+
+x-common-mysql-variables: &common-mysql-variables
+ MYSQL_DATABASE: ${DB_DATABASE}
+ MYSQL_USER: ${DB_USER}
+ MYSQL_PASSWORD: ${DB_PASSWORD}
+ MYSQL_ROOT_PASSWORD: ${DB_ROOT_PASSWORD}
+
+x-common-php-variables: &common-php-variables
+ PMA_HOST: ${DB_HOST}
+ MYSQL_ROOT_PASSWORD: ${DB_ROOT_PASSWORD}
+
+x-restart-policy: &common-restart-policy
+ restart: always
+
+x-container: &common-container
+ depends_on:
+ - ${DB_HOST}
+ <<: *common-restart-policy
+ environment:
+ <<: *common-db-variables
+
+
+
+services:
+ mysqldb:
+ image: ${DB_MYSQL_IMAGE}
+ command: --default-authentication-plugin=mysql_native_password
+ environment:
+ <<: *common-mysql-variables
+ volumes:
+ - mytokenstorage:/var/lib/mysql
+
+ container-1:
+ <<: *common-container
+ build:
+ context: .
+ dockerfile: ${CONTAINER_1_DOCKERFILE}
+ ports:
+ - "2222:2222"
+
+ container-2:
+ <<: *common-container
+ build:
+ context: .
+ dockerfile: ${CONTAINER_2_DOCKERFILE}
+ ports:
+ - "3333:3333"
+
+ container-3:
+ <<: *common-container
+ build:
+ context: .
+ dockerfile: ${CONTAINER_3_DOCKERFILE}
+ ports:
+ - "4444:4444"
+
+ phpmyadmin:
+ depends_on:
+ - ${DB_HOST}
+ image: ${PHPMYADMIN_IMAGE}
+ <<: *common-restart-policy
+ ports:
+ - "8080:80"
+ environment:
+ <<: *common-php-variables
+
+volumes:
+ mytokenstorage:
diff --git a/Docker/GenericSpring/tokenchain/mvnw b/Docker/GenericSpring/tokenchain/mvnw
new file mode 100644
index 0000000..a16b543
--- /dev/null
+++ b/Docker/GenericSpring/tokenchain/mvnw
@@ -0,0 +1,310 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Maven Start Up Batch script
+#
+# Required ENV vars:
+# ------------------
+# JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+# M2_HOME - location of maven2's installed home dir
+# MAVEN_OPTS - parameters passed to the Java VM when running Maven
+# e.g. to debug Maven itself, use
+# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+# MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ] ; then
+
+ if [ -f /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="`which 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/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+ else
+ jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.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 "$wrapperJarPath"
+ else
+ wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath"
+ fi
+ elif command -v curl > /dev/null; then
+ if [ "$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" \
+ $MAVEN_OPTS \
+ -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+ "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+ ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"
diff --git a/Docker/GenericSpring/tokenchain/mvnw.cmd b/Docker/GenericSpring/tokenchain/mvnw.cmd
new file mode 100644
index 0000000..c8d4337
--- /dev/null
+++ b/Docker/GenericSpring/tokenchain/mvnw.cmd
@@ -0,0 +1,182 @@
+@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 "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
+if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\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/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+
+FOR /F "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%/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.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 "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
+if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\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%
+
+exit /B %ERROR_CODE%
diff --git a/Docker/GenericSpring/tokenchain/pom.xml b/Docker/GenericSpring/tokenchain/pom.xml
new file mode 100644
index 0000000..cb66a56
--- /dev/null
+++ b/Docker/GenericSpring/tokenchain/pom.xml
@@ -0,0 +1,60 @@
+
+
+ 4.0.0
+
+ org.springframework.boot
+ spring-boot-starter-parent
+ 2.4.0
+
+
+ DSBD2020.lab
+ tokenchain
+ 0.0.1-SNAPSHOT
+ tokenchain
+ A test application for docker-compose.
+
+
+ 1.8
+
+
+
+
+ org.springframework.boot
+ spring-boot-starter-data-jpa
+
+
+ org.springframework.boot
+ spring-boot-starter-web
+
+
+
+ mysql
+ mysql-connector-java
+ runtime
+
+
+ org.springframework.boot
+ spring-boot-starter-test
+ test
+
+
+
+
+
+
+ org.springframework.boot
+ spring-boot-maven-plugin
+
+
+ org.apache.maven.plugins
+ maven-surefire-plugin
+ 2.22.2
+
+ true
+
+
+
+
+
+
diff --git a/Docker/GenericSpring/tokenchain/src/main/java/dsbd2020/lab/tokenchain/TokenchainApplication.java b/Docker/GenericSpring/tokenchain/src/main/java/dsbd2020/lab/tokenchain/TokenchainApplication.java
new file mode 100644
index 0000000..bccd301
--- /dev/null
+++ b/Docker/GenericSpring/tokenchain/src/main/java/dsbd2020/lab/tokenchain/TokenchainApplication.java
@@ -0,0 +1,21 @@
+package dsbd2020.lab.tokenchain;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Bean;
+
+@SpringBootApplication
+public class TokenchainApplication {
+
+ public static String nextServicePort;
+ public static String nextServiceName;
+
+ public static void main(String[] args) {
+ String servicePort = args[0];
+ nextServicePort = args[1];
+ nextServiceName = args[2];
+ System.setProperty("server.port", servicePort);
+ SpringApplication.run(TokenchainApplication.class, args);
+ }
+
+}
diff --git a/Docker/GenericSpring/tokenchain/src/main/java/dsbd2020/lab/tokenchain/datamodel/LogRepository.java b/Docker/GenericSpring/tokenchain/src/main/java/dsbd2020/lab/tokenchain/datamodel/LogRepository.java
new file mode 100644
index 0000000..d59c31a
--- /dev/null
+++ b/Docker/GenericSpring/tokenchain/src/main/java/dsbd2020/lab/tokenchain/datamodel/LogRepository.java
@@ -0,0 +1,8 @@
+package dsbd2020.lab.tokenchain.datamodel;
+
+import dsbd2020.lab.tokenchain.entities.Log;
+import org.springframework.data.repository.CrudRepository;
+
+public interface LogRepository extends CrudRepository {
+
+}
diff --git a/Docker/GenericSpring/tokenchain/src/main/java/dsbd2020/lab/tokenchain/datamodel/TokenRepository.java b/Docker/GenericSpring/tokenchain/src/main/java/dsbd2020/lab/tokenchain/datamodel/TokenRepository.java
new file mode 100644
index 0000000..858fcac
--- /dev/null
+++ b/Docker/GenericSpring/tokenchain/src/main/java/dsbd2020/lab/tokenchain/datamodel/TokenRepository.java
@@ -0,0 +1,8 @@
+package dsbd2020.lab.tokenchain.datamodel;
+
+import dsbd2020.lab.tokenchain.entities.Token;
+import org.springframework.data.repository.CrudRepository;
+
+public interface TokenRepository extends CrudRepository {
+
+}
diff --git a/Docker/GenericSpring/tokenchain/src/main/java/dsbd2020/lab/tokenchain/entities/Log.java b/Docker/GenericSpring/tokenchain/src/main/java/dsbd2020/lab/tokenchain/entities/Log.java
new file mode 100644
index 0000000..e0a7b76
--- /dev/null
+++ b/Docker/GenericSpring/tokenchain/src/main/java/dsbd2020/lab/tokenchain/entities/Log.java
@@ -0,0 +1,49 @@
+package dsbd2020.lab.tokenchain.entities;
+
+import com.sun.istack.NotNull;
+import org.hibernate.annotations.GenericGenerator;
+
+import javax.persistence.*;
+
+@Entity
+public class Log {
+
+ @Id
+ @GeneratedValue(strategy= GenerationType.AUTO,generator="native")
+ @GenericGenerator(name = "native",strategy = "native")
+ private Integer id;
+
+ @NotNull
+ private String whoami;
+
+ @NotNull
+ private String result;
+
+ public Integer getId() {
+ return id;
+ }
+
+ public Log setId(Integer id) {
+ this.id = id;
+ return this;
+ }
+
+ public String getWhoami() {
+ return whoami;
+ }
+
+ public Log setWhoami(String whoami) {
+ this.whoami = whoami;
+ return this;
+ }
+
+ public String getResult() {
+ return result;
+ }
+
+ public Log setResult(String result) {
+ this.result = result;
+ return this;
+ }
+
+}
diff --git a/Docker/GenericSpring/tokenchain/src/main/java/dsbd2020/lab/tokenchain/entities/Token.java b/Docker/GenericSpring/tokenchain/src/main/java/dsbd2020/lab/tokenchain/entities/Token.java
new file mode 100644
index 0000000..fee4cff
--- /dev/null
+++ b/Docker/GenericSpring/tokenchain/src/main/java/dsbd2020/lab/tokenchain/entities/Token.java
@@ -0,0 +1,49 @@
+package dsbd2020.lab.tokenchain.entities;
+
+import com.sun.istack.NotNull;
+import org.hibernate.annotations.GenericGenerator;
+
+import javax.persistence.*;
+
+@Entity
+public class Token {
+
+ @Id
+ @GeneratedValue(strategy= GenerationType.AUTO,generator="native")
+ @GenericGenerator(name = "native",strategy = "native")
+ private Integer id;
+
+ @NotNull
+ private String token;
+
+ @NotNull
+ private String whoami;
+
+ public String getToken() {
+ return token;
+ }
+
+ public Token setToken(String token) {
+ this.token = token;
+ return this;
+ }
+
+ public Integer getId() {
+ return id;
+ }
+
+ public Token setId(Integer id) {
+ this.id = id;
+ return this;
+ }
+
+ public String getWhoami() {
+ return whoami;
+ }
+
+ public Token setWhoami(String whoami) {
+ this.whoami = whoami;
+ return this;
+ }
+
+}
diff --git a/Docker/GenericSpring/tokenchain/src/main/java/dsbd2020/lab/tokenchain/service/TokenService.java b/Docker/GenericSpring/tokenchain/src/main/java/dsbd2020/lab/tokenchain/service/TokenService.java
new file mode 100644
index 0000000..3450860
--- /dev/null
+++ b/Docker/GenericSpring/tokenchain/src/main/java/dsbd2020/lab/tokenchain/service/TokenService.java
@@ -0,0 +1,60 @@
+package dsbd2020.lab.tokenchain.service;
+
+import dsbd2020.lab.tokenchain.datamodel.LogRepository;
+import dsbd2020.lab.tokenchain.datamodel.TokenRepository;
+import dsbd2020.lab.tokenchain.entities.Log;
+import dsbd2020.lab.tokenchain.entities.Token;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Service;
+import org.springframework.web.client.RestTemplate;
+
+import static dsbd2020.lab.tokenchain.TokenchainApplication.nextServiceName;
+import static dsbd2020.lab.tokenchain.TokenchainApplication.nextServicePort;
+
+@Service
+public class TokenService {
+
+ @Autowired
+ TokenRepository tokenRepository;
+
+ @Autowired
+ LogRepository logRepository;
+
+ @Value("${server.port}")
+ private String servicePort;
+
+ private String NEXT_HOST = "http://" + nextServiceName + ":" + nextServicePort;
+
+ public Token forwardClientToken(String token, Integer jump) {
+ Token t = new Token();
+ Log log = new Log();
+
+ jump = jump - 1;
+
+ t.setToken(token);
+ t.setWhoami("localhost:" + servicePort);
+
+ // Salviamo il token del DB:
+ tokenRepository.save(t);
+
+ // Settiamo e salviamo il log:
+ log.setResult("OK::Token Received...");
+ log.setWhoami("localhost:" + servicePort);
+
+ logRepository.save(log);
+
+ // Abbiamo esaurito i salti quindi ci fermiamo.
+ if(jump == 0) {
+ Token tt = new Token();
+ tt.setWhoami("localhost:" + servicePort);
+ tt.setToken("Final Service!!!");
+ return tt;
+ }
+ // Se ancora il Token deve effettuare salti continuiamo la ricorsione tra servizi.
+ System.out.println(NEXT_HOST + "/token/run/{token}/{jump}");
+ Token resp = new RestTemplate().getForObject(NEXT_HOST + "/token/run/{token}/{jump}", Token.class, token, jump);
+ return resp;
+ }
+
+}
diff --git a/Docker/GenericSpring/tokenchain/src/main/java/dsbd2020/lab/tokenchain/serviceadapter/RESTAdapter.java b/Docker/GenericSpring/tokenchain/src/main/java/dsbd2020/lab/tokenchain/serviceadapter/RESTAdapter.java
new file mode 100644
index 0000000..79ceda8
--- /dev/null
+++ b/Docker/GenericSpring/tokenchain/src/main/java/dsbd2020/lab/tokenchain/serviceadapter/RESTAdapter.java
@@ -0,0 +1,24 @@
+package dsbd2020.lab.tokenchain.serviceadapter;
+
+import dsbd2020.lab.tokenchain.entities.Token;
+import dsbd2020.lab.tokenchain.service.TokenService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+@Controller
+@RequestMapping(path = "/token")
+public class RESTAdapter {
+
+ @Autowired
+ TokenService tokenService;
+
+ @GetMapping(path = "/run/{token}/{jump}")
+ public @ResponseBody Token forwardClientToken(@PathVariable String token, @PathVariable Integer jump) {
+ return tokenService.forwardClientToken(token, jump);
+ }
+
+}
diff --git a/Docker/GenericSpring/tokenchain/src/main/resources/application.properties b/Docker/GenericSpring/tokenchain/src/main/resources/application.properties
new file mode 100644
index 0000000..b1eab9c
--- /dev/null
+++ b/Docker/GenericSpring/tokenchain/src/main/resources/application.properties
@@ -0,0 +1,9 @@
+spring.jpa.hibernate.ddl-auto=update
+
+spring.datasource.url=jdbc:mysql://${MYSQL_HOST:localhost}:3306/tokenchain?serverTimezone=UTC
+spring.datasource.username=${MYSQL_USER:orazio}
+spring.datasource.password=${MYSQL_PASSWORD:1208}
+
+spring.jpa.properties.hibernate.dialect = org.hibernate.dialect.MySQL57Dialect
+
+server.port=8080
diff --git a/Docker/GenericSpring/tokenchain/src/test/java/dsbd2020/lab/tokenchain/TokenchainApplicationTests.java b/Docker/GenericSpring/tokenchain/src/test/java/dsbd2020/lab/tokenchain/TokenchainApplicationTests.java
new file mode 100644
index 0000000..9841013
--- /dev/null
+++ b/Docker/GenericSpring/tokenchain/src/test/java/dsbd2020/lab/tokenchain/TokenchainApplicationTests.java
@@ -0,0 +1,13 @@
+package dsbd2020.lab.tokenchain;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class TokenchainApplicationTests {
+
+ @Test
+ void contextLoads() {
+ }
+
+}