bugfixes

Californium3.properties

@@ -0,0 +1,3 @@
+# Californium3 CoAP Properties file
+# Wed Dec 15 21:41:00 CET 2021
+#

executor-base/src/main/java/ch/unisg/executorBase/executor/adapter/in/web/TaskAvailableController.java

@@ -1,4 +1,4 @@
-package ch.unisg.executorBase.executor.adapter.in.web;
+package ch.unisg.executorbase.executor.adapter.in.web;
 
 import java.util.logging.Logger;
 
@@ -30,7 +30,7 @@ public class TaskAvailableController {
     @GetMapping(path = "/newtask/{taskType}", consumes = { "application/json" })
     public ResponseEntity<String> retrieveTaskFromTaskList(@PathVariable("taskType") String taskType) {
 
-        logger.info("New " + taskType + " available");
+        logger.info("ExecutorBase | New " + taskType + " task available");
 
         if (ExecutorType.contains(taskType.toUpperCase())) {
             TaskAvailableCommand command = new TaskAvailableCommand(

executor-base/src/main/java/ch/unisg/executorBase/executor/adapter/out/web/ExecutionFinishedEventAdapter.java

@@ -1,4 +1,4 @@
-package ch.unisg.executorBase.executor.adapter.out.web;
+package ch.unisg.executorbase.executor.adapter.out.web;
 
 import java.io.IOException;
 import java.net.URI;
@@ -28,6 +28,8 @@ public class ExecutionFinishedEventAdapter implements ExecutionFinishedEventPort
     @Override
     public void publishExecutionFinishedEvent(ExecutionFinishedEvent event) {
 
+        logger.log(Level.INFO, "ExecutorBase | Sending finish execution event....");
+
         String body = new JSONObject()
         .put("taskID", event.getTaskID())
         .put("outputData", event.getOutputData())
@@ -51,8 +53,7 @@ public class ExecutionFinishedEventAdapter implements ExecutionFinishedEventPort
             logger.log(Level.SEVERE, e.getLocalizedMessage(), e);
         }
 
-        logger.log(Level.INFO, "Finish execution event sent with result: {0}", event.getOutputData());
+        logger.log(Level.INFO, "ExecutorBase | Finish execution event sent with result: {0}", event.getOutputData());
-
     }
 
 }

executor-base/src/main/java/ch/unisg/executorBase/executor/adapter/out/web/GetAssignmentAdapter.java

@@ -8,7 +8,6 @@ import java.net.http.HttpResponse;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Primary;
 import org.springframework.http.HttpStatus;
 import org.springframework.stereotype.Component;
@@ -52,15 +51,17 @@ public class GetAssignmentAdapter implements GetAssignmentPort {
         try {
             logger.info("ExecutorBase | Sending getAssignment request");
             HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
-            if (response.statusCode() != HttpStatus.CREATED.value()) {
+            if (response.statusCode() != HttpStatus.OK.value()) {
                 logger.info("ExecutorBase | No task assigned");
                 return null;
             }
             logger.info("ExecutorBase | Task assigned");
             JSONObject responseBody = new JSONObject(response.body());
 
-            String inputData = responseBody.getString("inputData");
+            if (!responseBody.get("inputData").equals(null)) {
-            return new Task(responseBody.getString("taskID"), inputData);
+                return new Task(responseBody.getString("taskID"), responseBody.getString("inputData"));
+            }
+            return new Task(responseBody.getString("taskID"));
 
         } catch (InterruptedException e) {
             logger.log(Level.SEVERE, e.getLocalizedMessage(), e);

executor-base/src/main/java/ch/unisg/executorBase/executor/adapter/out/web/NotifyExecutorPoolAdapter.java

@@ -9,7 +9,6 @@ import java.util.logging.Level;
 import java.util.logging.Logger;
 
 import org.json.JSONObject;
-import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Primary;
 import org.springframework.http.HttpStatus;
 import org.springframework.stereotype.Component;

executor-base/src/main/java/ch/unisg/executorBase/executor/application/port/in/TaskAvailableCommand.java

@@ -4,9 +4,11 @@ import javax.validation.constraints.NotNull;
 
 import ch.unisg.common.validation.SelfValidating;
 import ch.unisg.executorbase.executor.domain.ExecutorType;
+import lombok.EqualsAndHashCode;
 import lombok.Value;
 
 @Value
+@EqualsAndHashCode(callSuper=false)
 public class TaskAvailableCommand extends SelfValidating<TaskAvailableCommand> {
 
     @NotNull

executor-base/src/main/java/ch/unisg/executorBase/executor/application/service/TaskAvailableService.java

@@ -15,6 +15,6 @@ public class TaskAvailableService implements TaskAvailableUseCase {
 
     @Override
     public void newTaskAvailable(TaskAvailableCommand command) {
-      // Placeholder so spring can create a bean, implementation of this function is inside the executors
+      // Placeholder so spring can create a bean, implementation of this service is inside the individual executors
     }
 }

executor-base/src/main/java/ch/unisg/executorBase/executor/domain/ExecutorBase.java

@@ -1,11 +1,10 @@
 package ch.unisg.executorbase.executor.domain;
 
-import java.io.IOException;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
 import ch.unisg.common.valueobject.ExecutorURI;
-import ch.unisg.executorBase.executor.adapter.out.web.ExecutionFinishedEventAdapter;
+import ch.unisg.executorbase.executor.adapter.out.web.ExecutionFinishedEventAdapter;
 import ch.unisg.executorbase.executor.adapter.out.web.GetAssignmentAdapter;
 import ch.unisg.executorbase.executor.adapter.out.web.NotifyExecutorPoolAdapter;
 import ch.unisg.executorbase.executor.application.port.out.ExecutionFinishedEventPort;
@@ -35,18 +34,19 @@ public abstract class ExecutorBase {
     Logger logger = Logger.getLogger(ExecutorBase.class.getName());
 
     protected ExecutorBase(ExecutorType executorType) {
-        logger.info("Starting Executor");
+        logger.info("ExecutorBase | Starting Executor");
         this.status = ExecutorStatus.STARTING_UP;
         this.executorType = executorType;
         // TODO set this automaticly
         this.executorURI = new ExecutorURI("http://localhost:8084");
         // TODO do this in main
         // Notify executor-pool about existence. If executor-pools response is successfull start with getting an assignment, else shut down executor.
+        logger.info("ExecutorBase | Notifying executor-pool about existens");
         if(!notifyExecutorPoolService.notifyExecutorPool(this.executorURI, this.executorType)) {
-            logger.log(Level.WARNING, "Executor could not connect to executor pool! Shuting down!");
+            logger.log(Level.WARNING, "ExecutorBase | Executor could not connect to executor pool! Shuting down!");
             System.exit(0);
         } else {
-            logger.info("Executor conntected to executor pool");
+            logger.info("ExecutorBase | Executor conntected to executor pool");
             this.status = ExecutorStatus.IDLING;
             getAssignment();
         }
@@ -59,10 +59,10 @@ public abstract class ExecutorBase {
     public void getAssignment() {
         Task newTask = getAssignmentPort.getAssignment(this.getExecutorType(), this.getExecutorURI());
         if (newTask != null) {
-            logger.info("Executor got a new task");
+            logger.info("ExecutorBase | Executor got a new task");
             this.executeTask(newTask);
         } else {
-            logger.info("Executor got no new task");
+            logger.info("ExecutorBase | Executor got no new task");
             this.status = ExecutorStatus.IDLING;
         }
     }
@@ -72,7 +72,7 @@ public abstract class ExecutorBase {
     *   @return void
     **/
     private void executeTask(Task task) {
-        logger.info("Starting execution");
+        logger.info("ExecutorBase | Starting execution");
         this.status = ExecutorStatus.EXECUTING;
 
         task.setOutputData(execution(task.getInputData()));
@@ -81,7 +81,7 @@ public abstract class ExecutorBase {
         executionFinishedEventPort.publishExecutionFinishedEvent(
             new ExecutionFinishedEvent(task.getTaskID(), task.getOutputData(), "SUCCESS"));
 
-        logger.info("Finish execution");
+        logger.info("ExecutorBase | Finish execution");
         getAssignment();
     }
 

executor-base/src/main/java/ch/unisg/executorBase/executor/domain/Task.java

@@ -19,7 +19,12 @@ public class Task {
 
     public Task(String taskID, String inputData) {
         this.taskID = taskID;
-        this.inputData= inputData;
+        this.inputData = inputData;
+    }
+
+    public Task(String taskID) {
+        this.taskID = taskID;
+        this.inputData = "";
     }
 
 }

executor-computation/src/main/java/ch/unisg/executorcomputation/ExecutorcomputationApplication.java

@@ -1,6 +1,8 @@
 package ch.unisg.executorcomputation;
 
 import java.util.concurrent.TimeUnit;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
@@ -10,13 +12,15 @@ import ch.unisg.executorcomputation.executor.domain.Executor;
 @SpringBootApplication
 public class ExecutorcomputationApplication {
 
+    static Logger logger = Logger.getLogger(ExecutorcomputationApplication.class.getName());
+
 	public static void main(String[] args) {
 
         try {
-            TimeUnit.SECONDS.sleep(10);
+            TimeUnit.SECONDS.sleep(1);
         } catch (InterruptedException e) {
-            // TODO Auto-generated catch block
+            logger.log(Level.SEVERE, e.getLocalizedMessage(), e);
-            e.printStackTrace();
+            Thread.currentThread().interrupt();
         }
 
 		SpringApplication.run(ExecutorcomputationApplication.class, args);

executor-computation/src/main/java/ch/unisg/executorcomputation/executor/domain/Executor.java

@@ -1,12 +1,20 @@
 package ch.unisg.executorcomputation.executor.domain;
 
 import java.util.concurrent.TimeUnit;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import javax.script.ScriptEngine;
+import javax.script.ScriptEngineManager;
+import javax.script.ScriptException;
 
 import ch.unisg.executorbase.executor.domain.ExecutorBase;
 import ch.unisg.executorbase.executor.domain.ExecutorType;
 
 public class Executor extends ExecutorBase {
 
+    private static Logger executorLogger = Logger.getLogger(Executor.class.getName());
+
     private static final Executor executor = new Executor(ExecutorType.COMPUTATION);
 
     public static Executor getExecutor() {
@@ -21,43 +29,30 @@ public class Executor extends ExecutorBase {
     protected
     String execution(String inputData) {
 
-        String operator = "";
+        executorLogger.info("TEST");
-        if (inputData.contains("+")) {
+        executorLogger.info("Executor | Starting execution with inputData: " + inputData);
-            operator = "+";
-        } else if (inputData.contains("-")) {
-            operator = "-";
-        } else if (inputData.contains("*")) {
-            operator = "*";
-        } else {
-            return "invalid data";
-        }
 
-        double result = Double.NaN;
+        ScriptEngineManager mgr = new ScriptEngineManager();
+        ScriptEngine engine = mgr.getEngineByName("JavaScript");
+
+        String result = "";
+        try {
+            result = engine.eval(inputData).toString();
+        } catch (ScriptException e1) {
+            // TODO some logic if execution fails
+            executorLogger.severe(e1.getMessage());
+            return result;
+        }
 
         try {
             TimeUnit.SECONDS.sleep(5);
         } catch (InterruptedException e) {
-            e.printStackTrace();
+            executorLogger.log(Level.SEVERE, e.getLocalizedMessage(), e);
+            Thread.currentThread().interrupt();
         }
 
-        if (operator.equalsIgnoreCase("+")) {
+        executorLogger.info("Executor | Finish execution");
-            String[] parts = inputData.split("\\+");
+        return result;
-            double a = Double.parseDouble(parts[0]);
-            double b = Double.parseDouble(parts[1]);
-            result = a + b;
-        } else if (operator.equalsIgnoreCase("*")) {
-            String[] parts = inputData.split("\\*");
-            double a = Double.parseDouble(parts[0]);
-            double b = Double.parseDouble(parts[1]);
-            result = a * b;
-        } else if (operator.equalsIgnoreCase("-")) {
-            String[] parts = inputData.split("-");
-            double a = Double.parseDouble(parts[0]);
-            double b = Double.parseDouble(parts[1]);
-            result = a - b;
-        }
-
-        return Double.toString(result);
     }
 
 }

executor-humidity/.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/

executor-humidity/.mvn/wrapper/MavenWrapperDownloader.java

@@ -0,0 +1,117 @@
+/*
+ * 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();
+    }
+
+}

executor-humidity/.mvn/wrapper/maven-wrapper.properties

@@ -0,0 +1,2 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.2/apache-maven-3.8.2-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar

executor-humidity/Californium3.properties

@@ -0,0 +1,3 @@
+# Californium3 CoAP Properties file
+# Wed Dec 15 22:23:03 CET 2021
+#

executor-humidity/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} $MAVEN_CONFIG "$@"

executor-humidity/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%

executor-humidity/pom.xml

@@ -9,11 +9,14 @@
         <version>2.5.5</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
-    <groupId>org.unisg</groupId>
+    <groupId>ch.unisg</groupId>
     <artifactId>executor-humidity</artifactId>
     <version>1.0-SNAPSHOT</version>
     <name>executor-humidity</name>
     <description>Demo project for Spring Boot</description>
+    <properties>
+		<java.version>11</java.version>
+	</properties>
     <repositories>
         <repository>
             <id>jitpack.io</id>
@@ -33,6 +36,12 @@
             <version>5.3.10</version>
             <scope>compile</scope>
         </dependency>
+        <dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-devtools</artifactId>
+			<scope>runtime</scope>
+			<optional>true</optional>
+		</dependency>
         <dependency>
             <groupId>ch.unisg</groupId>
             <artifactId>executor-base</artifactId>
@@ -52,11 +61,6 @@
         </dependency>
     </dependencies>
 
-    <properties>
-        <maven.compiler.source>16</maven.compiler.source>
-        <maven.compiler.target>16</maven.compiler.target>
-    </properties>
-
     <build>
         <plugins>
             <plugin>

executor-humidity/src/main/java/ch/unisg/executorhumidity/ExecutorhumidityApplication.java

@@ -1,10 +1,10 @@
 package ch.unisg.executorhumidity;
 
-
-import ch.unisg.executorhumidity.executor.domain.Executor;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
+import ch.unisg.executorhumidity.executor.domain.Executor;
+
 @SpringBootApplication
 public class ExecutorhumidityApplication {
 

executor-humidity/src/main/java/ch/unisg/executorhumidity/executor/adapter/out/GetHumidityAdapter.java

@@ -9,12 +9,18 @@ import ch.unisg.ics.interactions.wot.td.clients.TDCoapResponse;
 import ch.unisg.ics.interactions.wot.td.io.TDGraphReader;
 import ch.unisg.ics.interactions.wot.td.schemas.ObjectSchema;
 import ch.unisg.ics.interactions.wot.td.vocabularies.TD;
-import org.eclipse.californium.core.CoapClient;
+
-import org.eclipse.californium.elements.exception.ConnectorException;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Primary;
 import org.springframework.stereotype.Component;
+import org.w3c.dom.Document;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+import org.xml.sax.InputSource;
+import org.xml.sax.SAXException;
 
 import java.io.IOException;
+import java.io.StringReader;
 import java.net.URI;
 import java.net.http.HttpClient;
 import java.net.http.HttpRequest;
@@ -22,16 +28,21 @@ import java.net.http.HttpResponse;
 import java.util.Map;
 import java.util.Optional;
 
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+
 
 @Component
 @Primary
 public class GetHumidityAdapter implements GetHumidityPort {
 
+    String endpoint = System.getenv("SEARCH_ENGINE_URI") == null ?
+        "https://api.interactions.ics.unisg.ch/search/searchEngine" : System.getenv("SEARCH_ENGINE_URI");
+
     @Override
     public String getHumidity() {
 
-        String endpoint = "https://api.interactions.ics.unisg.ch/search/searchEngine";
-
         String input = "@prefix dct: <http://purl.org/dc/terms/> . select ?title where { ?title dct:title 'Mirogate' }";
 
         var httpRequest = HttpRequest.newBuilder()
@@ -44,20 +55,39 @@ public class GetHumidityAdapter  implements GetHumidityPort {
 
         try {
             String description = client.send(httpRequest, HttpResponse.BodyHandlers.ofString()).body();
+            String mirogateUri = null;
+
+            DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
+            DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
+            Document doc = dBuilder.parse(new InputSource(new StringReader(description)));
+
+            doc.getDocumentElement().normalize();
+
+            NodeList results = doc.getElementsByTagName("uri");
+            for (int temp = 0; temp < results.getLength(); temp += 1) {
+                Node nNode = results.item(temp);
+                if (nNode.getTextContent().contains("mirogate")) {
+                    mirogateUri = nNode.getTextContent();
+                }
+            }
+            if (mirogateUri == null) {
+                // TODO implement logic if execution failed
+                return "";
+            }
 
             // Parse a TD from a string
-            ThingDescription td = TDGraphReader.readFromString(ThingDescription.TDFormat.RDF_TURTLE, description);
+            ThingDescription td = TDGraphReader.readFromURL(ThingDescription.TDFormat.RDF_TURTLE, mirogateUri);
 
             Optional<PropertyAffordance> humidity = td.getPropertyByName("humidity");
 
             if (humidity.isPresent()) {
                 Optional<Form> form = humidity.get().getFirstFormForOperationType(TD.readProperty);
 
+                // System.out.println(humidity.get().getDataSchema().getDatatype());
                 if (form.isPresent()) {
                     TDCoapRequest request = new TDCoapRequest(form.get(), TD.readProperty);
                     try {
                         TDCoapResponse response = request.execute();
-
                         Map<String, Object> payload = response.getPayloadAsObject((ObjectSchema) humidity.get().getDataSchema());
                         Object result = payload.get("https://interactions.ics.unisg.ch/mirogate#HumidityValue");
                         return result.toString();
@@ -72,6 +102,12 @@ public class GetHumidityAdapter  implements GetHumidityPort {
             e.printStackTrace();
         } catch (InterruptedException e) {
             e.printStackTrace();
+        } catch (ParserConfigurationException e1) {
+            // TODO Auto-generated catch block
+            e1.printStackTrace();
+        } catch (SAXException e1) {
+            // TODO Auto-generated catch block
+            e1.printStackTrace();
         }
         return null;
     }

executor-humidity/src/main/java/ch/unisg/executorhumidity/executor/domain/Executor.java

@@ -8,7 +8,7 @@ import org.eclipse.californium.elements.exception.ConnectorException;
 
 import java.io.IOException;
 
-public class Executor extends ExecutorBase{
+public class Executor extends ExecutorBase {
 
     private static final Executor executor = new Executor(ExecutorType.HUMIDITY);
 

executor-humidity/src/main/resources/application.properties

@@ -0,0 +1,16 @@
+server.port=8087
+
+search.engine.uri=https://api.interactions.ics.unisg.ch/search/searchEngine
+
+spring.profiles.active=chaos-monkey
+chaos.monkey.enabled=false
+management.endpoint.chaosmonkey.enabled=true
+management.endpoint.chaosmonkeyjmx.enabled=true
+# include specific endpoints
+management.endpoints.web.exposure.include=health,info,chaosmonkey
+chaos.monkey.watcher.controller=true
+chaos.monkey.watcher.restController=true
+chaos.monkey.watcher.service=true
+chaos.monkey.watcher.repository=true
+chaos.monkey.watcher.component=true
+

executor-pool/src/main/java/ch/unisg/executorpool/ExecutorPoolApplication.java

@@ -1,7 +1,5 @@
 package ch.unisg.executorpool;
 
-import java.util.concurrent.TimeUnit;
-
 import javax.annotation.PostConstruct;
 
 import org.springframework.beans.factory.annotation.Autowired;
@@ -21,14 +19,6 @@ public class ExecutorPoolApplication {
     private LoadExecutorPort loadExecutorPort;
 
 	public static void main(String[] args) {
-
-        try {
-            TimeUnit.SECONDS.sleep(10);
-        } catch (InterruptedException e) {
-            // TODO Auto-generated catch block
-            e.printStackTrace();
-        }
-
 		SpringApplication.run(ExecutorPoolApplication.class, args);
 	}
 

executor-robot/src/main/java/ch/unisg/executorrobot/executor/adapter/out/InstructionToRobotAdapter.java

@@ -33,7 +33,7 @@ public class InstructionToRobotAdapter implements InstructionToRobotPort {
 
         String endpoint = "https://api.interactions.ics.unisg.ch/search/searchEngine";
 
-        String input = "@prefix dct: <http://purl.org/dc/terms/> . select ?title where { ?title dct:title 'Mirogate' }";
+        String input = "@prefix dct: <http://purl.org/dc/terms/> . select ?title where { ?title dct:title 'leubot1' }";
 
         var httpRequest = HttpRequest.newBuilder()
             .uri(URI.create(endpoint))

executor-robot/src/main/java/ch/unisg/executorrobot/executor/adapter/out/UserToRobotAdapter.java

@@ -45,8 +45,10 @@ public class UserToRobotAdapter implements UserToRobotPort {
         try {
             var description = client.send(httpRequest, HttpResponse.BodyHandlers.ofString()).body();
 
+            String uri = "http://yggdrasil.interactions.ics.unisg.ch/environments/61/workspaces/102/artifacts/leubot1";
+
             // Parse a TD from a string
-            ThingDescription td = TDGraphReader.readFromString(ThingDescription.TDFormat.RDF_TURTLE, description);
+            ThingDescription td = TDGraphReader.readFromURL(ThingDescription.TDFormat.RDF_TURTLE, uri);
 
             // Create the payload to be sent with the HTTP request
             Map<String, Object> logInPayload = new HashMap<>();

roster/src/main/java/ch/unisg/roster/RosterApplication.java

@@ -4,17 +4,19 @@ import java.util.List;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
+import javax.annotation.PostConstruct;
+
 import ch.unisg.roster.roster.adapter.out.persistence.mongodb.RosterRepository;
 import ch.unisg.roster.roster.application.port.in.LoadRosterItemPort;
 import ch.unisg.roster.roster.domain.Roster;
 import ch.unisg.roster.roster.domain.RosterItem;
 import org.eclipse.paho.client.mqttv3.MqttException;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.core.env.ConfigurableEnvironment;
 
 import ch.unisg.roster.roster.adapter.common.clients.TapasMqttClient;
-import ch.unisg.roster.roster.adapter.in.messaging.mqtt.ExecutorEventMqttListener;
 import ch.unisg.roster.roster.adapter.in.messaging.mqtt.ExecutorEventsMqttDispatcher;
 import org.springframework.data.mongodb.repository.config.EnableMongoRepositories;
 
@@ -26,14 +28,14 @@ public class RosterApplication {
 
     private static ConfigurableEnvironment ENVIRONMENT;
 
-    private static LoadRosterItemPort loadRosterItemPort;
+    @Autowired
+    private LoadRosterItemPort loadRosterItemPort;
 
 	public static void main(String[] args) {
 
 		SpringApplication rosterApp = new SpringApplication(RosterApplication.class);
         ENVIRONMENT = rosterApp.run(args).getEnvironment();
         bootstrapMarketplaceWithMqtt();
-        // initialiseRoster();
 	}
 
     /**
@@ -52,7 +54,8 @@ public class RosterApplication {
         }
     }
 
-    private static void initialiseRoster(){
+    @PostConstruct
+    private void initialiseRoster(){
         List<RosterItem> rosterItemList = loadRosterItemPort.loadAllRosterItems();
         Roster.getInstance().initialiseRoster(rosterItemList);
     }

roster/src/main/java/ch/unisg/roster/roster/adapter/in/messaging/mqtt/ExecutorAddedEventListenerMqttAdapter.java

@@ -18,8 +18,6 @@ public class ExecutorAddedEventListenerMqttAdapter extends ExecutorEventMqttList
     @Override
     public boolean handleEvent(MqttMessage message) {
 
-        System.out.println("New Executor added!");
-
         String payload = new String(message.getPayload());
 
         try {
@@ -30,6 +28,8 @@ public class ExecutorAddedEventListenerMqttAdapter extends ExecutorEventMqttList
             String taskType = data.get("executorTaskType").asText();
             String executorId = data.get("executorUri").asText();
 
+            LOGGER.info("Roster | New executor with type " + taskType + " added.");
+
             ExecutorAddedEvent executorAddedEvent = new ExecutorAddedEvent(
                 new ExecutorURI(executorId),
                 new ExecutorType(taskType)

roster/src/main/java/ch/unisg/roster/roster/adapter/in/web/ApplyForTaskWebController.java

@@ -1,11 +1,8 @@
 package ch.unisg.roster.roster.adapter.in.web;
 
-import ch.unisg.roster.roster.domain.Roster;
+import java.util.logging.Logger;
-import com.fasterxml.jackson.core.JsonProcessingException;
+
-import org.json.JSONObject;
-import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpStatus;
-import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RestController;
@@ -16,8 +13,6 @@ import ch.unisg.roster.roster.domain.ExecutorInfo;
 import ch.unisg.roster.roster.domain.Task;
 import org.springframework.web.server.ResponseStatusException;
 
-import javax.validation.ConstraintViolationException;
-
 @RestController
 public class ApplyForTaskWebController {
     private final ApplyForTaskUseCase applyForTaskUseCase;
@@ -26,14 +21,15 @@ public class ApplyForTaskWebController {
         this.applyForTaskUseCase = applyForTaskUseCase;
     }
 
-    // TODO fix return type
+    Logger logger = Logger.getLogger(ApplyForTaskWebController.class.getName());
+
     /**
     *   Checks if task is available for the requesting executor.
-    *   @return a task or null if no task found
+    *   @return a task or 404 if no task available
     **/
     @PostMapping(path = "/task/apply", consumes = {"application/json"})
-    public ResponseEntity<String> applyForTask (@RequestBody ExecutorInfo executorInfo) {
+    public Task applyForTask (@RequestBody ExecutorInfo executorInfo) {
-
+        logger.info("Roster | Execuor applying for task");
         ApplyForTaskCommand command = new ApplyForTaskCommand(executorInfo.getExecutorType(),
             executorInfo.getExecutorURI());
 
@@ -43,23 +39,6 @@ public class ApplyForTaskWebController {
             throw new ResponseStatusException(HttpStatus.NOT_FOUND);
         }
 
-        try {
+        return task;
-
-            String executorType = command.getTaskType().getValue().toString();
-            String executorURI = command.getExecutorURI().getValue().toString();
-
-            String jsonPayLoad = new JSONObject()
-                .put("executorType", executorType)
-                .put("executorURI", executorURI)
-                .toString();
-
-            HttpHeaders responseHeaders = new HttpHeaders();
-            responseHeaders.add("Content-Type", "application/json");
-
-            return new ResponseEntity<>(jsonPayLoad, responseHeaders, HttpStatus.CREATED);
-        } catch (ConstraintViolationException e) {
-            throw new ResponseStatusException(HttpStatus.BAD_REQUEST, e.getMessage());
-        }
-
     }
 }

roster/src/main/java/ch/unisg/roster/roster/adapter/in/web/DeleteTaskController.java

@@ -1,15 +1,15 @@
 package ch.unisg.roster.roster.adapter.in.web;
 
+import java.util.logging.Logger;
+
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.PathVariable;
-import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RestController;
 
 import ch.unisg.roster.roster.application.port.in.DeleteTaskCommand;
 import ch.unisg.roster.roster.application.port.in.DeleteTaskUseCase;
-import ch.unisg.roster.roster.domain.Task;
 
 @RestController
 public class DeleteTaskController {
@@ -19,13 +19,15 @@ public class DeleteTaskController {
         this.deleteTaskUseCase = deleteTaskUseCase;
     }
 
+    Logger logger = Logger.getLogger(DeleteTaskController.class.getName());
+
     /**
     *   Controller to delete a task
     *   @return 200 OK, 409 Conflict
     **/
     @DeleteMapping(path = "/task/{taskId}")
     public ResponseEntity<Void> deleteTask(@PathVariable("taskId") String taskId) {
-
+        logger.info("Roster | Delete task request.");
         DeleteTaskCommand command = new DeleteTaskCommand(taskId);
 
         if (deleteTaskUseCase.deleteTask(command)) {

roster/src/main/java/ch/unisg/roster/roster/adapter/in/web/NewTaskController.java

@@ -2,11 +2,14 @@ package ch.unisg.roster.roster.adapter.in.web;
 
 import java.util.logging.Logger;
 
+import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestHeader;
 import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.servlet.function.ServerRequest.Headers;
 
 import ch.unisg.roster.roster.application.port.in.NewTaskCommand;
 import ch.unisg.roster.roster.application.port.in.NewTaskUseCase;
@@ -27,16 +30,33 @@ public class NewTaskController {
     *   @return 201 Create or 409 Conflict
     **/
     @PostMapping(path = "/task", consumes = {"application/task+json"})
-    public ResponseEntity<Void> newTaskController(@RequestBody Task task) {
+    public ResponseEntity<Void> newTaskController(@RequestBody Task task, @RequestHeader HttpHeaders header) {
 
-            logger.info("New task with id:" + task.getTaskID());
+            logger.info("Roster | New task with id:" + task.getTaskID());
 
-            NewTaskCommand command = new NewTaskCommand(task.getTaskID(), task.getTaskUri(), task.getTaskType(),
+            // Check if task URI is passed in body. (This happends when we handeling an external task) Else get task URI from header.
+            String taskUri = task.getTaskUri();
+            if (taskUri == null) {
+                if (header.containsKey("Link")) {
+                    for (String location : header.get("Link")) {
+                        if (location.contains("rel=\"task\"")) {
+                            taskUri = location.split(">")[0].substring(1);
+                        }
+                    }
+                }
+            }
+
+            if (taskUri == null) {
+                logger.warning("Roster | TaskUri still null, something went wrong!");
+                return new ResponseEntity<>(HttpStatus.CONFLICT);
+            }
+
+            NewTaskCommand command = new NewTaskCommand(task.getTaskID(), taskUri, task.getTaskType(),
                 task.getInputData());
 
             boolean success = newTaskUseCase.addNewTaskToQueue(command);
 
-            logger.info("Could create task: " + success);
+            logger.info("Roster | Could create task: " + success);
 
             if (success) {
                 return new ResponseEntity<>(HttpStatus.CREATED);

roster/src/main/java/ch/unisg/roster/roster/adapter/out/web/LaunchAuctionEventAdapter.java

@@ -6,6 +6,8 @@ import java.net.http.HttpClient;
 import java.net.http.HttpRequest;
 import java.net.http.HttpResponse;
 import java.util.HashMap;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
@@ -24,15 +26,15 @@ public class LaunchAuctionEventAdapter implements LaunchAuctionEventPort {
     @Value("${auction.house.uri}")
     String server;
 
+    Logger logger = Logger.getLogger(LaunchAuctionEventAdapter.class.getName());
+
     @Override
     public void launchAuctionEvent(LaunchAuctionEvent launchAuctionEvent) {
 
-        var values = new HashMap<String, String>() {{
+        var values = new HashMap<String, String>();
 
-            put("taskUri", launchAuctionEvent.taskUri);
+        values.put("taskUri", launchAuctionEvent.taskUri);
-            put("taskType", launchAuctionEvent.taskType.getValue());
+        values.put("taskType", launchAuctionEvent.taskType.getValue());
-
-        }};
 
         var objectMapper = new ObjectMapper();
         String requestBody = null;
@@ -44,17 +46,18 @@ public class LaunchAuctionEventAdapter implements LaunchAuctionEventPort {
 
         HttpClient client = HttpClient.newHttpClient();
         HttpRequest request = HttpRequest.newBuilder()
-            .uri(URI.create(server+"/auctions/"))
+            .uri(URI.create(server + "/auctions/"))
-            .header("Content-Type", "application/task+json")
+            .header("Content-Type", "application/auction+json")
             .POST(HttpRequest.BodyPublishers.ofString(requestBody))
             .build();
 
         try {
-            HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
+            client.send(request, HttpResponse.BodyHandlers.ofString());
         } catch (IOException e) {
-            e.printStackTrace();
+            logger.log(Level.SEVERE, e.getLocalizedMessage(), e);
         } catch (InterruptedException e) {
-            e.printStackTrace();
+            logger.log(Level.SEVERE, e.getLocalizedMessage(), e);
+            Thread.currentThread().interrupt();
         }
 
     }

roster/src/main/java/ch/unisg/roster/roster/application/port/in/DeleteRosterItem.java

@@ -1,7 +1,5 @@
 package ch.unisg.roster.roster.application.port.in;
 
-import ch.unisg.roster.roster.domain.RosterItem;
-
 public interface DeleteRosterItem {
 
     void deleteRosterItem(String taskId);

roster/src/main/java/ch/unisg/roster/roster/application/port/in/DeleteTaskCommand.java

@@ -2,7 +2,6 @@ package ch.unisg.roster.roster.application.port.in;
 
 import javax.validation.constraints.NotNull;
 
-import ch.unisg.roster.roster.domain.valueobject.ExecutorType;
 import ch.unisg.common.validation.SelfValidating;
 import lombok.EqualsAndHashCode;
 import lombok.Value;

roster/src/main/java/ch/unisg/roster/roster/application/port/in/NewTaskCommand.java

@@ -19,10 +19,8 @@ public class NewTaskCommand extends SelfValidating<NewTaskCommand> {
     @NotNull
     private final ExecutorType taskType;
 
-    @NotNull
     private final String inputData;
 
-    @NotNull
     private final String taskUri;
 
     public NewTaskCommand(String taskID, String taskUri, ExecutorType taskType, String inputData) {

roster/src/main/java/ch/unisg/roster/roster/application/service/NewTaskService.java

@@ -1,5 +1,7 @@
 package ch.unisg.roster.roster.application.service;
 
+import java.util.logging.Logger;
+
 import javax.transaction.Transactional;
 
 import org.springframework.stereotype.Component;
@@ -24,6 +26,8 @@ public class NewTaskService implements NewTaskUseCase {
 
     private final LaunchAuctionEventPort launchAuctionEventPort;
 
+    Logger logger = Logger.getLogger(NewTaskService.class.getName());
+
     /**
     *   Checks if we can execute the give task, if yes the task gets added to the task queue and return true.
     *   If the task can not be executed by an internal or auction house executor, the method return false.
@@ -35,12 +39,15 @@ public class NewTaskService implements NewTaskUseCase {
         ExecutorRegistry executorRegistry = ExecutorRegistry.getInstance();
 
         if (!executorRegistry.containsTaskType(command.getTaskType())) {
+            logger.info("Roster | Task with type " + command.getTaskType() + "can not be handled internaly. Send to auction house!");
             LaunchAuctionEvent launchAuctionEvent = new LaunchAuctionEvent( command.getTaskUri(),
             command.getTaskType());
             launchAuctionEventPort.launchAuctionEvent(launchAuctionEvent);
             return true;
         }
 
+        logger.info("Roster | Task with type " + command.getTaskType() + " can be handled internaly.");
+
         Task task = new Task(command.getTaskID(), command.getTaskType(), command.getInputData());
 
         Roster.getInstance().addTaskToQueue(task);

roster/src/main/resources/application.properties

@@ -1,6 +1,7 @@
 server.port=8082
 executor.robot.uri=http://127.0.0.1:8084
 executor.computation.uri=http://127.0.0.1:8085
+executor.humidity.uri=http://127.0.0.1:8087
 auction.house.uri=http://127.0.0.1:8086
 task.list.uri=http://127.0.0.1:8081
 # mqtt.broker.uri=tcp://localhost:1883

tapas-auction-house/src/main/java/ch/unisg/tapas/TapasAuctionHouseApplication.java

@@ -2,23 +2,16 @@ package ch.unisg.tapas;
 
 import ch.unisg.tapas.auctionhouse.adapter.common.clients.TapasMqttClient;
 import ch.unisg.tapas.auctionhouse.adapter.in.messaging.mqtt.AuctionEventsMqttDispatcher;
-import ch.unisg.tapas.auctionhouse.domain.AuctionHouseDiscovery;
-import ch.unisg.tapas.auctionhouse.domain.AuctionHouseDiscoveryInformation;
 import ch.unisg.tapas.auctionhouse.adapter.common.clients.WebSubSubscriber;
-import ch.unisg.tapas.common.AuctionHouseResourceDirectory;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.eclipse.paho.client.mqttv3.MqttException;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.core.env.ConfigurableEnvironment;
-import org.springframework.core.env.Environment;
 
 import java.net.URI;
 import java.net.URISyntaxException;
-import java.util.concurrent.Executors;
-import java.util.concurrent.ScheduledExecutorService;
-import java.util.concurrent.TimeUnit;
 
 /**
  * Main TAPAS Auction House application.
@@ -36,8 +29,8 @@ public class TapasAuctionHouseApplication {
         ENVIRONMENT = tapasAuctioneerApp.run(args).getEnvironment();
         // TODO Set start up of message services with config
 		// We will use these bootstrap methods in Week 6:
-        bootstrapMarketplaceWithWebSub();
+        // bootstrapMarketplaceWithWebSub();
-        //bootstrapMarketplaceWithMqtt();
+        bootstrapMarketplaceWithMqtt();
 	}
     /**
      * Discovers auction houses and subscribes to WebSub notifications

tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/adapter/common/clients/TapasMqttClient.java

@@ -50,7 +50,6 @@ public class TapasMqttClient {
         mqttClient = new org.eclipse.paho.client.mqttv3.MqttClient(brokerAddress, mqttClientId, new MemoryPersistence());
         mqttClient.connect();
         mqttClient.setCallback(messageReceivedCallback);
-
         subscribeToAllTopics();
     }
 

tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/adapter/in/messaging/mqtt/ExternalAuctionStartedEventListenerMqttAdapter.java

@@ -13,26 +13,27 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.eclipse.paho.client.mqttv3.MqttMessage;
-import org.springframework.beans.factory.annotation.Value;
 
 import java.io.IOException;
 import java.net.URI;
 import java.net.http.HttpClient;
 import java.net.http.HttpRequest;
 import java.net.http.HttpResponse;
-import java.sql.Timestamp;
-
 public class ExternalAuctionStartedEventListenerMqttAdapter extends AuctionEventMqttListener{
     private static final Logger LOGGER = LogManager.getLogger(ExternalAuctionStartedEventListenerMqttAdapter.class);
 
-    String auctionHouseURI = "https://tapas-auction-house.86-119-35-40.nip.io/";
+    // String auctionHouseURI = "https://tapas-auction-house.86-119-35-40.nip.io/";
+    String auctionHouseURI = "http://a888-77-59-152-182.eu.ngrok.io";
 
-    String taskListURI = "https://tapas-tasks.86-119-35-40.nip.io";
+    // String taskListURI = "https://tapas-tasks.86-119-35-40.nip.io";
+    String taskListURI = "http://e021-77-59-152-182.ngrok.io";
 
     @Override
     public boolean handleEvent(MqttMessage message){
         String payload = new String(message.getPayload());
 
+        System.out.println("New auction");
+
         try {
             // Note: this message representation is provided only as an example. You should use a
             // representation that makes sense in the context of your application.
@@ -46,6 +47,7 @@ public class ExternalAuctionStartedEventListenerMqttAdapter extends AuctionEvent
             String deadline = data.get("deadline").asText();
 
             var capable = ExecutorRegistry.getInstance().containsTaskType(new Auction.AuctionedTaskType(taskType));
+            System.out.println("Capable: " + capable);
             // TODO check deadline
             if(capable){
                 var bid = new Bid(

tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/adapter/in/web/WinningBidWebController.java

@@ -1,11 +1,6 @@
 package ch.unisg.tapas.auctionhouse.adapter.in.web;
 
-import ch.unisg.tapas.auctionhouse.adapter.common.formats.AuctionJsonRepresentation;
-import ch.unisg.tapas.auctionhouse.adapter.common.formats.BidJsonRepresentation;
 import ch.unisg.tapas.auctionhouse.adapter.common.formats.TaskJsonRepresentation;
-import ch.unisg.tapas.auctionhouse.adapter.in.messaging.mqtt.ExternalAuctionStartedEventListenerMqttAdapter;
-import ch.unisg.tapas.auctionhouse.domain.Task;
-import com.fasterxml.jackson.core.JsonProcessingException;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.springframework.beans.factory.annotation.Value;
@@ -35,7 +30,7 @@ public class WinningBidWebController {
         try {
             var body = payload.serialize();
             LOGGER.info(body);
-            var postURI = URI.create("https://tapas-tasks.86-119-35-40.nip.io/tasks/");
+            var postURI = URI.create(taskListURI + "/tasks/");
             HttpRequest postRequest = HttpRequest.newBuilder()
                 .uri(postURI)
                 .header("Content-Type", TaskJsonRepresentation.MEDIA_TYPE)
@@ -49,7 +44,7 @@ public class WinningBidWebController {
 
 
             HttpHeaders responseHeaders = new HttpHeaders();
-            return new ResponseEntity<>(responseHeaders, HttpStatus.NO_CONTENT);
+            return new ResponseEntity<>(responseHeaders, HttpStatus.ACCEPTED);
         }
      catch (
          IOException | InterruptedException e) {

tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/adapter/out/messaging/mqtt/PublishAuctionStartedEventMqttAdapter.java

@@ -6,31 +6,33 @@ import ch.unisg.tapas.auctionhouse.adapter.in.messaging.mqtt.AuctionEventsMqttDi
 import ch.unisg.tapas.auctionhouse.application.port.out.AuctionStartedEventPort;
 import ch.unisg.tapas.auctionhouse.domain.AuctionStartedEvent;
 import ch.unisg.tapas.common.ConfigProperties;
+
+import java.util.logging.Logger;
+
 import com.fasterxml.jackson.core.JsonProcessingException;
-import org.apache.logging.log4j.LogManager;
-import org.apache.logging.log4j.Logger;
 import org.eclipse.paho.client.mqttv3.MqttException;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Primary;
 import org.springframework.stereotype.Component;
 
 @Component
-// @Primary
+@Primary
 public class PublishAuctionStartedEventMqttAdapter implements AuctionStartedEventPort {
 
-    private static final Logger LOGGER = LogManager.getLogger(PublishAuctionStartedEventMqttAdapter.class);
+    Logger logger = Logger.getLogger(PublishAuctionStartedEventMqttAdapter.class.getName());
 
     @Autowired
     private ConfigProperties config;
 
     @Override
     public void publishAuctionStartedEvent(AuctionStartedEvent event) {
+        logger.info("AuctionHouse | Publish auction started over Mqtt!");
         try{
             var mqttClient = TapasMqttClient.getInstance(config.getMqttBrokerUri().toString(), new AuctionEventsMqttDispatcher());
             mqttClient.publishMessage("ch/unisg/tapas/auctions", AuctionJsonRepresentation.serialize(event.getAuction()));
         }
         catch (MqttException | JsonProcessingException e){
-            LOGGER.error(e.getMessage(), e);
+            logger.severe(e.getMessage());
         }
     }
 }

tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/adapter/out/messaging/websub/PublishAuctionStartedEventWebSubAdapter.java

@@ -19,7 +19,7 @@ import java.util.logging.Logger;
  * This class is a template for publishing auction started events via WebSub.
  */
 @Component
-@Primary
+// @Primary
 public class PublishAuctionStartedEventWebSubAdapter implements AuctionStartedEventPort {
     @Value("${auction.house.uri}")
     private String auctionHouseUri;
@@ -31,12 +31,12 @@ public class PublishAuctionStartedEventWebSubAdapter implements AuctionStartedEv
 
     @Override
     public void publishAuctionStartedEvent(AuctionStartedEvent event) {
+        logger.info("AuctionHouse | Publish auction started over WebSub!");
+
         HttpClient client = HttpClient.newHttpClient();
 
         String body = "hub.url=" + auctionHouseUri + "/auctions/&hub.mode=publish";
 
-        logger.info("Auctions updated:" + body);
-
         HttpRequest request = HttpRequest.newBuilder()
                 .uri(URI.create(webSubHubUri))
                 .header("Content-Type", "application/x-www-form-urlencoded")
@@ -46,7 +46,7 @@ public class PublishAuctionStartedEventWebSubAdapter implements AuctionStartedEv
 
         try {
             client.send(request, HttpResponse.BodyHandlers.ofString());
-            logger.info("WEBSUB send successfuly");
+            logger.info("AuctionHouse | Publish auction over WebSub successfuly!");
         } catch (InterruptedException e) {
             logger.log(Level.SEVERE, e.getLocalizedMessage(), e);
             Thread.currentThread().interrupt();

tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/adapter/out/web/AuctionWonEventHttpAdapter.java

@@ -1,7 +1,6 @@
 package ch.unisg.tapas.auctionhouse.adapter.out.web;
 
 import ch.unisg.tapas.auctionhouse.adapter.common.formats.TaskJsonRepresentation;
-import ch.unisg.tapas.auctionhouse.application.handler.AuctionStartedHandler;
 import ch.unisg.tapas.auctionhouse.application.port.out.AuctionWonEventPort;
 import ch.unisg.tapas.auctionhouse.domain.AuctionRegistry;
 import ch.unisg.tapas.auctionhouse.domain.AuctionWonEvent;
@@ -11,6 +10,7 @@ import org.apache.logging.log4j.Logger;
 import org.json.JSONObject;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Primary;
+import org.springframework.http.HttpStatus;
 import org.springframework.stereotype.Component;
 
 import java.io.IOException;
@@ -45,6 +45,10 @@ public class AuctionWonEventHttpAdapter implements AuctionWonEventPort {
                 .build();
 
             var response = client.send(request, HttpResponse.BodyHandlers.ofString());
+            if (response.statusCode() != HttpStatus.OK.value()) {
+                LOGGER.info("AuctionHouse | Could not get task from tasklist. Something went wrong...");
+                return;
+            }
             LOGGER.info(response.body());
             JSONObject responseBody = new JSONObject(response.body());
 

tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/application/service/StartAuctionService.java

@@ -2,7 +2,6 @@ package ch.unisg.tapas.auctionhouse.application.service;
 
 import ch.unisg.tapas.auctionhouse.application.port.in.LaunchAuctionCommand;
 import ch.unisg.tapas.auctionhouse.application.port.in.LaunchAuctionUseCase;
-import ch.unisg.tapas.auctionhouse.application.port.in.LaunchAuctionUseCase;
 import ch.unisg.tapas.auctionhouse.application.port.out.AuctionWonEventPort;
 import ch.unisg.tapas.auctionhouse.application.port.out.AuctionStartedEventPort;
 import ch.unisg.tapas.auctionhouse.domain.*;
@@ -13,6 +12,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
 import java.sql.Timestamp;
+import java.util.List;
 import java.util.Optional;
 import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
@@ -27,10 +27,10 @@ import java.util.concurrent.TimeUnit;
 public class StartAuctionService implements LaunchAuctionUseCase {
     private static final Logger LOGGER = LogManager.getLogger(StartAuctionService.class);
 
-    private final Timestamp DEFAULT_AUCTION_DEADLINE_MILLIS = Timestamp.valueOf("1970-01-01 00:00:01");
+    private final Timestamp DEFAULT_AUCTION_DEADLINE_MILLIS = new Timestamp(System.currentTimeMillis() + 20000);
 
     // Event port used to publish an auction started event
-    private final AuctionStartedEventPort auctionStartedEventPort;
+    private final List<AuctionStartedEventPort> auctionStartedEventPorts;
     // Event port used to publish an auction won event
     private final AuctionWonEventPort auctionWonEventPort;
 
@@ -40,9 +40,9 @@ public class StartAuctionService implements LaunchAuctionUseCase {
     @Autowired
     private ConfigProperties config;
 
-    public StartAuctionService(AuctionStartedEventPort auctionStartedEventPort,
+    public StartAuctionService(List<AuctionStartedEventPort> auctionStartedEventPorts,
                                AuctionWonEventPort auctionWonEventPort) {
-        this.auctionStartedEventPort = auctionStartedEventPort;
+        this.auctionStartedEventPorts = auctionStartedEventPorts;
         this.auctionWonEventPort = auctionWonEventPort;
         this.auctions = AuctionRegistry.getInstance();
         this.service = Executors.newScheduledThreadPool(1);
@@ -70,7 +70,9 @@ public class StartAuctionService implements LaunchAuctionUseCase {
 
         // Publish an auction started event
         AuctionStartedEvent auctionStartedEvent = new AuctionStartedEvent(auction);
+        for (AuctionStartedEventPort auctionStartedEventPort : auctionStartedEventPorts) {
             auctionStartedEventPort.publishAuctionStartedEvent(auctionStartedEvent);
+        }
 
         return auction;
     }

tapas-auction-house/src/main/resources/application.properties

@@ -5,8 +5,9 @@ broker.mqtt=tcp://broker.hivemq.com
 websub.hub=https://websub.appspot.com/
 websub.hub.publish=https://websub.appspot.com/
 
-group=tapas-group-tutors
+group=tapas-group-1
 auction.house.uri=https://tapas-auction-house.86-119-35-40.nip.io
+# auction.house.uri=http://a888-77-59-152-182.eu.ngrok.io
 tasks.list.uri=http://localhost:8081
 
 application.environment=development

tapas-tasks/src/main/java/ch/unisg/tapastasks/TapasTasksApplication.java

@@ -12,7 +12,6 @@ public class TapasTasksApplication {
 	public static void main(String[] args) {
 		SpringApplication tapasTasksApp = new SpringApplication(TapasTasksApplication.class);
 		tapasTasksApp.run(args);
-
 	}
 
 }

tapas-tasks/src/main/java/ch/unisg/tapastasks/tasks/adapter/in/messaging/http/TaskEventHttpDispatcher.java

@@ -18,6 +18,7 @@ import org.springframework.web.server.ResponseStatusException;
 
 import java.io.IOException;
 import java.util.Optional;
+import java.util.logging.Logger;
 
 
 /**
@@ -39,7 +40,9 @@ import java.util.Optional;
 public class TaskEventHttpDispatcher {
     // The standard media type for JSON Patch registered with IANA
     // See: https://www.iana.org/assignments/media-types/application/json-patch+json
-    private final static String JSON_PATCH_MEDIA_TYPE = "application/json-patch+json";
+    private static final String JSON_PATCH_MEDIA_TYPE = "application/json-patch+json";
+
+    Logger logger = Logger.getLogger(TaskEventHttpDispatcher.class.getName());
 
     /**
      * Handles HTTP PATCH requests with a JSON Patch payload. Routes the requests based on the
@@ -55,6 +58,7 @@ public class TaskEventHttpDispatcher {
     @PatchMapping(path = "/tasks/{taskId}", consumes = {JSON_PATCH_MEDIA_TYPE})
     public ResponseEntity<String> dispatchTaskEvents(@PathVariable("taskId") String taskId,
             @RequestBody JsonNode payload) {
+                logger.info("TaskList | Incoming patch task request for task: " + taskId);
         try {
             // Throw an exception if the JSON Patch format is invalid. This call is only used to
             // validate the JSON PATCH syntax.
@@ -78,6 +82,8 @@ public class TaskEventHttpDispatcher {
                     case EXECUTED:
                         listener = new TaskExecutedEventListenerHttpAdapter();
                         break;
+                    default:
+                        break;
                 }
             }
 
@@ -92,6 +98,7 @@ public class TaskEventHttpDispatcher {
             HttpHeaders responseHeaders = new HttpHeaders();
             responseHeaders.add(HttpHeaders.CONTENT_TYPE, TaskJsonRepresentation.MEDIA_TYPE);
 
+            logger.info("TaskList | Task with id " + taskId + " patched successfuly");
             return new ResponseEntity<>(TaskJsonRepresentation.serialize(task), responseHeaders,
                 HttpStatus.OK);
         } catch (TaskNotFoundException e) {

tapas-tasks/src/main/java/ch/unisg/tapastasks/tasks/adapter/in/web/AddNewTaskToTaskListWebController.java

@@ -17,6 +17,7 @@ import org.springframework.web.server.ResponseStatusException;
 
 import javax.validation.ConstraintViolationException;
 import java.util.Optional;
+import java.util.logging.Logger;
 
 /**
  * Controller that handles HTTP requests for creating new tasks. This controller implements the
@@ -35,6 +36,8 @@ import java.util.Optional;
 public class AddNewTaskToTaskListWebController {
     private final AddNewTaskToTaskListUseCase addNewTaskToTaskListUseCase;
 
+    Logger logger = Logger.getLogger(AddNewTaskToTaskListWebController.class.getName());
+
     // Used to retrieve properties from application.properties
     @Autowired
     private Environment environment;
@@ -45,6 +48,7 @@ public class AddNewTaskToTaskListWebController {
 
     @PostMapping(path = "/tasks/", consumes = {TaskJsonRepresentation.MEDIA_TYPE})
     public ResponseEntity<String> addNewTaskTaskToTaskList(@RequestBody TaskJsonRepresentation payload) {
+        logger.info("TaskList | Create new task request.");
         try {
             Task.TaskName taskName = new Task.TaskName(payload.getTaskName());
             Task.TaskType taskType = new Task.TaskType(payload.getTaskType());
@@ -76,9 +80,7 @@ public class AddNewTaskToTaskListWebController {
                 HttpStatus.CREATED);
         } catch (JsonProcessingException e) {
             throw new ResponseStatusException(HttpStatus.INTERNAL_SERVER_ERROR, e.getMessage());
-        } catch (ConstraintViolationException e) {
+        } catch (ConstraintViolationException | NullPointerException e) {
-            throw new ResponseStatusException(HttpStatus.BAD_REQUEST, e.getMessage());
-        } catch (NullPointerException e) {
             throw new ResponseStatusException(HttpStatus.BAD_REQUEST, e.getMessage());
         }
     }

tapas-tasks/src/main/java/ch/unisg/tapastasks/tasks/adapter/in/web/CompleteTaskWebController.java

@@ -8,30 +8,28 @@ import com.fasterxml.jackson.core.JsonProcessingException;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.server.ResponseStatusException;
 
+import java.util.logging.Logger;
+
 import javax.validation.ConstraintViolationException;
 
 @RestController
 public class CompleteTaskWebController {
     private final CompleteTaskUseCase completeTaskUseCase;
 
+    Logger logger = Logger.getLogger(CompleteTaskWebController.class.getName());
+
     public CompleteTaskWebController(CompleteTaskUseCase completeTaskUseCase){
         this.completeTaskUseCase = completeTaskUseCase;
     }
 
     @PostMapping(path = "/tasks/completeTask")
     public ResponseEntity<String> completeTask (@RequestBody TaskJsonRepresentation payload) {
-
+        logger.info("TaskList | Complete task request.");
-        System.out.println("completeTask");
-        System.out.println(payload.getTaskId());
-
 
         try {
             CompleteTaskCommand command = new CompleteTaskCommand(
@@ -43,6 +41,7 @@ public class CompleteTaskWebController {
             HttpHeaders responseHeaders = new HttpHeaders();
             responseHeaders.add(HttpHeaders.CONTENT_TYPE, TaskJsonRepresentation.MEDIA_TYPE);
 
+            logger.info("TaskList | Task completed successfuly");
             return new ResponseEntity<>(TaskJsonRepresentation.serialize(updateATask), responseHeaders, HttpStatus.ACCEPTED);
         } catch (JsonProcessingException e) {
             throw new ResponseStatusException(HttpStatus.INTERNAL_SERVER_ERROR, e.getMessage());

tapas-tasks/src/main/java/ch/unisg/tapastasks/tasks/adapter/in/web/RetrieveTaskFromTaskListWebController.java

@@ -12,6 +12,7 @@ import org.springframework.web.bind.annotation.*;
 import org.springframework.web.server.ResponseStatusException;
 
 import java.util.Optional;
+import java.util.logging.Logger;
 
 /**
  * Controller that handles HTTP GET requests for retrieving tasks. This controller implements the
@@ -22,6 +23,8 @@ import java.util.Optional;
 public class RetrieveTaskFromTaskListWebController {
     private final RetrieveTaskFromTaskListUseCase retrieveTaskFromTaskListUseCase;
 
+    Logger logger = Logger.getLogger(RetrieveTaskFromTaskListWebController.class.getName());
+
     public RetrieveTaskFromTaskListWebController(RetrieveTaskFromTaskListUseCase retrieveTaskFromTaskListUseCase) {
         this.retrieveTaskFromTaskListUseCase = retrieveTaskFromTaskListUseCase;
     }
@@ -35,6 +38,7 @@ public class RetrieveTaskFromTaskListWebController {
      */
     @GetMapping(path = "/tasks/{taskId}")
     public ResponseEntity<String> retrieveTaskFromTaskList(@PathVariable("taskId") String taskId) {
+        logger.info("TaskList | Retrieving task with id: " + taskId);
         RetrieveTaskFromTaskListQuery query = new RetrieveTaskFromTaskListQuery(new Task.TaskId(taskId));
         Optional<Task> updatedTaskOpt = retrieveTaskFromTaskListUseCase.retrieveTaskFromTaskList(query);
 

tapas-tasks/src/main/java/ch/unisg/tapastasks/tasks/adapter/out/persistence/mongodb/TaskPersistenceAdapter.java

@@ -28,7 +28,6 @@ public class TaskPersistenceAdapter implements
     @Override
     public Task loadTask(Task.TaskId taskId, TaskList.TaskListName taskListName) {
         MongoTaskDocument mongoTaskDocument = taskRepository.findByTaskId(taskId.getValue(),taskListName.getValue());
-        Task task = taskMapper.mapToDomainEntity(mongoTaskDocument);
+        return taskMapper.mapToDomainEntity(mongoTaskDocument);
-        return task;
     }
 }

tapas-tasks/src/main/java/ch/unisg/tapastasks/tasks/adapter/out/web/CanTaskBeDeletedWebAdapter.java

@@ -3,8 +3,6 @@ package ch.unisg.tapastasks.tasks.adapter.out.web;
 
 import ch.unisg.tapastasks.tasks.application.port.out.CanTaskBeDeletedPort;
 import ch.unisg.tapastasks.tasks.domain.DeleteTaskEvent;
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.ObjectMapper;
 
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Primary;
@@ -16,21 +14,23 @@ import java.net.URI;
 import java.net.http.HttpClient;
 import java.net.http.HttpRequest;
 import java.net.http.HttpResponse;
-import java.util.HashMap;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 @Component
 @Primary
 public class CanTaskBeDeletedWebAdapter implements CanTaskBeDeletedPort {
 
+    Logger logger = Logger.getLogger(CanTaskBeDeletedWebAdapter.class.getName());
+
     @Value("${roster.uri}")
     String server;
 
     @Override
     public boolean canTaskBeDeletedEvent(DeleteTaskEvent event){
-        //Todo: Question: How do we include the URI from the DeleteTaskEvent? Do we even need it?
         HttpClient client = HttpClient.newHttpClient();
         HttpRequest request = HttpRequest.newBuilder()
-            .uri(URI.create(server+"$/task/" + event.taskId))
+            .uri(URI.create(server + "/task/" + event.taskId))
             .header("Content-Type", "application/task+json")
             .DELETE()
             .build();
@@ -39,9 +39,10 @@ public class CanTaskBeDeletedWebAdapter implements CanTaskBeDeletedPort {
             HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
             return response.statusCode() == HttpStatus.OK.value();
         } catch (IOException e){
-            e.printStackTrace();
+            logger.log(Level.SEVERE, e.getLocalizedMessage(), e);
         } catch (InterruptedException e) {
-            e.printStackTrace();
+            logger.log(Level.SEVERE, e.getLocalizedMessage(), e);
+            Thread.currentThread().interrupt();
         }
 
         return false;

tapas-tasks/src/main/java/ch/unisg/tapastasks/tasks/adapter/out/web/ExternalTaskExecutedWebAdapter.java

@@ -8,9 +8,6 @@ import java.net.http.HttpResponse;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import com.github.fge.jsonpatch.JsonPatch;
-import com.github.fge.jsonpatch.JsonPatchOperation;
-
 import org.json.JSONArray;
 import org.json.JSONException;
 import org.json.JSONObject;
@@ -33,6 +30,8 @@ public class ExternalTaskExecutedWebAdapter implements ExternalTaskExecutedEvent
     @Override
     public void handleEvent(ExternalTaskExecutedEvent externalTaskExecutedEvent) {
 
+        logger.info("TaskList | Notify external task-list about task execution.");
+
         JSONObject op1;
         JSONObject op2;
         try {

tapas-tasks/src/main/java/ch/unisg/tapastasks/tasks/adapter/out/web/PublishNewTaskAddedEventWebAdapter.java

@@ -15,24 +15,30 @@ import java.net.http.HttpClient;
 import java.net.http.HttpRequest;
 import java.net.http.HttpResponse;
 import java.util.HashMap;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 @Component
 @Primary
 public class PublishNewTaskAddedEventWebAdapter implements NewTaskAddedEventPort {
 
+    Logger logger = Logger.getLogger(PublishNewTaskAddedEventWebAdapter.class.getName());
+
     @Value("${roster.uri}")
     String server;
 
+    @Value("${baseuri}")
+    String baseuri;
+
     @Override
     public void publishNewTaskAddedEvent(NewTaskAddedEvent event) {
 
-        //Here we would need to work with DTOs in case the payload of calls becomes more complex
+        // Here we would need to work with DTOs in case the payload of calls becomes more complex
 
-        var values = new HashMap<String, String>() {{
+        var values = new HashMap<String, String>();
-            put("taskID", event.taskId);
+        values.put("taskID", event.taskId);
-            put("taskType", event.taskType);
+        values.put("taskType", event.taskType);
-            put("inputData", event.inputData);
+        values.put("inputData", event.inputData);
-        }};
 
         var objectMapper = new ObjectMapper();
         String requestBody = null;
@@ -46,15 +52,17 @@ public class PublishNewTaskAddedEventWebAdapter implements NewTaskAddedEventPort
         HttpRequest request = HttpRequest.newBuilder()
                 .uri(URI.create(server+"/task"))
                 .header("Content-Type", "application/task+json")
+                .header("Link", "<" + baseuri + "tasks/" + event.taskId + ">; rel=\"task\"")
                 .POST(HttpRequest.BodyPublishers.ofString(requestBody))
                 .build();
 
         try {
-            HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
+            client.send(request, HttpResponse.BodyHandlers.ofString());
         } catch (IOException e) {
             e.printStackTrace();
         } catch (InterruptedException e) {
-            e.printStackTrace();
+            logger.log(Level.SEVERE, e.getLocalizedMessage(), e);
+            Thread.currentThread().interrupt();
         }
     }
 }

tapas-tasks/src/main/java/ch/unisg/tapastasks/tasks/application/port/in/CompleteTaskCommand.java

@@ -3,12 +3,13 @@ package ch.unisg.tapastasks.tasks.application.port.in;
 import ch.unisg.tapastasks.common.SelfValidating;
 import ch.unisg.tapastasks.tasks.domain.Task.OutputData;
 import ch.unisg.tapastasks.tasks.domain.Task.TaskId;
-import ch.unisg.tapastasks.tasks.domain.Task.TaskResult;
+import lombok.EqualsAndHashCode;
 import lombok.Value;
 
 import javax.validation.constraints.NotNull;
 
 @Value
+@EqualsAndHashCode(callSuper=false)
 public class CompleteTaskCommand extends SelfValidating<CompleteTaskCommand> {
     @NotNull
     private final TaskId taskId;

tapas-tasks/src/main/java/ch/unisg/tapastasks/tasks/application/port/in/DeleteTaskCommand.java

@@ -3,11 +3,13 @@ package ch.unisg.tapastasks.tasks.application.port.in;
 import ch.unisg.tapastasks.common.SelfValidating;
 import ch.unisg.tapastasks.tasks.domain.Task.TaskId;
 import ch.unisg.tapastasks.tasks.domain.Task.OriginalTaskUri;
+import lombok.EqualsAndHashCode;
 import lombok.Value;
 
 import javax.validation.constraints.NotNull;
 
 @Value
+@EqualsAndHashCode(callSuper=false)
 public class DeleteTaskCommand extends SelfValidating<DeleteTaskCommand> {
     @NotNull
     private final TaskId taskId;

tapas-tasks/src/main/java/ch/unisg/tapastasks/tasks/application/service/AddNewTaskToTaskListService.java

@@ -25,14 +25,11 @@ public class AddNewTaskToTaskListService implements AddNewTaskToTaskListUseCase
 
     private final NewTaskAddedEventPort newTaskAddedEventPort;
     private final AddTaskPort addTaskToRepositoryPort;
-    private final TaskListLock taskListLock;
 
     @Override
     public Task addNewTaskToTaskList(AddNewTaskToTaskListCommand command) {
         TaskList taskList = TaskList.getTapasTaskList();
 
-        // taskListLock.lockTaskList(taskList.getTaskListName());
-
         Task newTask;
 
         if (command.getOriginalTaskUri().isPresent() && command.getInputData().isPresent()) {
@@ -49,7 +46,6 @@ public class AddNewTaskToTaskListService implements AddNewTaskToTaskListUseCase
         }
 
         addTaskToRepositoryPort.addTask(newTask);
-        // taskListLock.releaseTaskList(taskList.getTaskListName());
 
         //Here we are using the application service to emit the domain event to the outside of the bounded context.
         //This event should be considered as a light-weight "integration event" to communicate with other services.

tapas-tasks/src/main/resources/application.properties

@@ -1,6 +1,7 @@
 server.port=8081
 spring.data.mongodb.uri=mongodb://root:password@localhost:27017/
 spring.data.mongodb.database=tapas-tasks
+# baseuri=http://e021-77-59-152-182.ngrok.io/
 baseuri=https://tapas-tasks.86-119-34-23.nip.io/
 
 roster.uri=http://127.0.0.1:8082

tapas-tasks/src/test/java/ch/unisg/tapastasks/tasks/application/service/AddNewTaskToTaskListServiceTest.java

@@ -22,7 +22,7 @@ public class AddNewTaskToTaskListServiceTest {
     private final TaskListLock taskListLock = Mockito.mock(TaskListLock.class);
     private final NewTaskAddedEventPort newTaskAddedEventPort = Mockito.mock(NewTaskAddedEventPort.class);
     private final AddNewTaskToTaskListService addNewTaskToTaskListService = new AddNewTaskToTaskListService(
-        newTaskAddedEventPort, addTaskPort, taskListLock);
+        newTaskAddedEventPort, addTaskPort);
 
     @Test
     void addingSucceeds() {