fixes

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

@@ -29,12 +29,9 @@ public class ExecutionFinishedEventAdapter implements ExecutionFinishedEventPort
     @Override
     public void publishExecutionFinishedEvent(ExecutionFinishedEvent event) {
 
-        System.out.println("HI");
-        System.out.println(server);
-
         String body = new JSONObject()
         .put("taskID", event.getTaskID())
-        .put("result", event.getResult())
+        .put("outputData", event.getOutputData())
         .put("status", event.getStatus())
         .toString();
 
@@ -46,8 +43,6 @@ public class ExecutionFinishedEventAdapter implements ExecutionFinishedEventPort
                 .build();
 
 
-        System.out.println(server);
-
         try {
             client.send(request, HttpResponse.BodyHandlers.ofString());
         } catch (InterruptedException e) {
@@ -57,7 +52,7 @@ public class ExecutionFinishedEventAdapter implements ExecutionFinishedEventPort
             logger.log(Level.SEVERE, e.getLocalizedMessage(), e);
         }
 
-        logger.log(Level.INFO, "Finish execution event sent with result: {0}", event.getResult());
+        logger.log(Level.INFO, "Finish execution event sent with result: {0}", event.getOutputData());
 
     }
 

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

@@ -58,9 +58,8 @@ public class GetAssignmentAdapter implements GetAssignmentPort {
             }
             JSONObject responseBody = new JSONObject(response.body());
 
-            String[] input = { "1", "+", "2" };
+            String inputData = responseBody.getString("inputData");
-            // TODO Add input in roster + tasklist
+            return new Task(responseBody.getString("taskID"), inputData);
-            return new Task(responseBody.getString("taskID"), input);
 
         } catch (InterruptedException e) {
             logger.log(Level.SEVERE, e.getLocalizedMessage(), e);

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

@@ -8,14 +8,14 @@ public class ExecutionFinishedEvent {
     private String taskID;
 
     @Getter
-    private String result;
+    private String outputData;
 
     @Getter
     private String status;
 
-    public ExecutionFinishedEvent(String taskID, String result, String status) {
+    public ExecutionFinishedEvent(String taskID, String outputData, String status) {
         this.taskID = taskID;
-        this.result = result;
+        this.outputData = outputData;
         this.status = status;
     }
 }

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

@@ -71,13 +71,11 @@ public abstract class ExecutorBase {
         logger.info("Starting execution");
         this.status = ExecutorStatus.EXECUTING;
 
-        task.setResult(execution(task.getInput()));
+        task.setOutputData(execution(task.getInputData()));
-
-        System.out.println(task.getResult());
 
         // TODO implement logic if execution was not successful
         executionFinishedEventPort.publishExecutionFinishedEvent(
-            new ExecutionFinishedEvent(task.getTaskID(), task.getResult(), "SUCCESS"));
+            new ExecutionFinishedEvent(task.getTaskID(), task.getOutputData(), "SUCCESS"));
 
         logger.info("Finish execution");
         getAssignment();
@@ -87,6 +85,6 @@ public abstract class ExecutorBase {
     *   Implementation of the actual execution method of an executor
     *   @return the execution result
     **/
-    protected abstract String execution(String... input);
+    protected abstract String execution(String input);
 
 }

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

@@ -10,14 +10,16 @@ public class Task {
 
     @Getter
     @Setter
-    private String result;
+    private String outputData;
 
+    // TODO maybe create a value object for inputData so we can make sure it is in the right
+    // format.
     @Getter
-    private String[] input;
+    private String inputData;
 
-    public Task(String taskID, String... input) {
+    public Task(String taskID, String inputData) {
         this.taskID = taskID;
-        this.input = input;
+        this.inputData= inputData;
     }
 
 }

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

@@ -19,30 +19,45 @@ public class Executor extends ExecutorBase {
 
     @Override
     protected
-    String execution(String... input) {
+    String execution(String inputData) {
 
-        System.out.println(input);
+        System.out.println(inputData);
 
-        double result = Double.NaN;
+        String operator = "";
-        int a = Integer.parseInt(input[0]);
+        if (inputData.contains("+")) {
-        int b = Integer.parseInt(input[2]);
+            operator = "+";
-        String operation = input[1];
+        } else if (inputData.contains("-")) {
-
+            operator = "-";
-        // try {
+        } else if (inputData.contains("*")) {
-        //     TimeUnit.SECONDS.sleep(20);
+            operator = "*";
-        // } catch (InterruptedException e) {
-        //     e.printStackTrace();
-        // }
-
-        if (operation == "+") {
-            result = a + b;
-        } else if (operation == "*") {
-            result = a * b;
-        } else if (operation == "-") {
-            result = a - b;
         }
 
-        System.out.println("finish");
+        // System.out.println(operator);
+
+        // double result = Double.NaN;
+
+        // System.out.print(inputData.split("+"));
+
+        // int a = Integer.parseInt(inputData.split(operator)[0]);
+        // int b = Integer.parseInt(inputData.split(operator)[1]);
+
+        // // try {
+        // //     TimeUnit.SECONDS.sleep(20);
+        // // } catch (InterruptedException e) {
+        // //     e.printStackTrace();
+        // // }
+
+        // if (operator.equalsIgnoreCase("+")) {
+        //     result = a + b;
+        // } else if (operator.equalsIgnoreCase("*")) {
+        //     result = a * b;
+        // } else if (operator.equalsIgnoreCase("-")) {
+        //     result = a - b;
+        // }
+
+        // System.out.println("Result: " + result);
+
+        double result = 0.0;
 
         return Double.toString(result);
     }

executor-robot/src/main/java/ch/unisg/executorrobot/executor/domain/Executor.java

@@ -28,7 +28,7 @@ public class Executor extends ExecutorBase {
 
     @Override
     protected
-    String execution(String... input) {
+    String execution(String input) {
 
         String key = userToRobotPort.userToRobot();
         try {

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

@@ -31,7 +31,8 @@ public class NewTaskController {
 
             logger.info("New task with id:" + task.getTaskID());
 
-            NewTaskCommand command = new NewTaskCommand(task.getTaskID(), task.getTaskType());
+            NewTaskCommand command = new NewTaskCommand(task.getTaskID(), task.getTaskType(),
+                task.getInputData());
 
             boolean success = newTaskUseCase.addNewTaskToQueue(command);
 

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

@@ -25,9 +25,9 @@ public class TaskCompletedController {
     **/
     @PostMapping(path = "/task/completed", consumes = {"application/json"})
     public ResponseEntity<Void> addNewTaskTaskToTaskList(@RequestBody Task task) {
-
+        System.out.println("TEST");
         TaskCompletedCommand command = new TaskCompletedCommand(task.getTaskID(),
-            task.getStatus(), task.getResult());
+            task.getStatus(), task.getOutputData());
 
         taskCompletedUseCase.taskCompleted(command);
 

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

@@ -32,26 +32,26 @@ public class PublishTaskAssignedEventAdapter implements TaskAssignedEventPort {
     @Override
     public void publishTaskAssignedEvent(TaskAssignedEvent event) {
 
-        String body = new JSONObject()
+        // String body = new JSONObject()
-                  .put("taskId", event.taskID)
+        //           .put("taskId", event.taskID)
-                  .toString();
+        //           .toString();
 
-        HttpClient client = HttpClient.newHttpClient();
+        // HttpClient client = HttpClient.newHttpClient();
-        HttpRequest request = HttpRequest.newBuilder()
+        // HttpRequest request = HttpRequest.newBuilder()
-                .uri(URI.create(server + "/tasks/assignTask"))
+        //         .uri(URI.create(server + "/tasks/assignTask"))
-                .header("Content-Type", "application/json")
+        //         .header("Content-Type", "application/task+json")
-                .POST(HttpRequest.BodyPublishers.ofString(body))
+        //         .POST(HttpRequest.BodyPublishers.ofString(body))
-                .build();
+        //         .build();
 
 
-        try {
+        // try {
-            client.send(request, HttpResponse.BodyHandlers.ofString());
+        //     client.send(request, HttpResponse.BodyHandlers.ofString());
-        } catch (InterruptedException e) {
+        // } catch (InterruptedException e) {
-            logger.log(Level.SEVERE, e.getLocalizedMessage(), e);
+        //     logger.log(Level.SEVERE, e.getLocalizedMessage(), e);
-            Thread.currentThread().interrupt();
+        //     Thread.currentThread().interrupt();
-        } catch (IOException e) {
+        // } catch (IOException e) {
-            logger.log(Level.SEVERE, e.getLocalizedMessage(), e);
+        //     logger.log(Level.SEVERE, e.getLocalizedMessage(), e);
-        }
+        // }
     }
 
 }

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

@@ -32,17 +32,22 @@ public class PublishTaskCompletedEventAdapter implements TaskCompletedEventPort
     @Override
     public void publishTaskCompleted(TaskCompletedEvent event) {
 
+        System.out.println("PublishTaskCompletedEventAdapter.publishTaskCompleted()");
+        System.out.print(server);
+
         String body = new JSONObject()
                   .put("taskId", event.taskID)
                   .put("status", event.status)
-                  .put("taskResult", event.result)
+                  .put("outputData", event.result)
                   .toString();
 
+        System.out.println(event.taskID);
+
         HttpClient client = HttpClient.newHttpClient();
         HttpRequest request = HttpRequest.newBuilder()
-                .uri(URI.create(server + "/tasks/completeTask"))
+                .uri(URI.create(server + "/tasks/completeTask/" + event.taskID))
-                .header("Content-Type", "application/json")
+                .header("Content-Type", "application/task+json")
-                .POST(HttpRequest.BodyPublishers.ofString(body))
+                .GET()
                 .build();
 
 

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

@@ -17,9 +17,13 @@ public class NewTaskCommand extends SelfValidating<NewTaskCommand> {
     @NotNull
     private final ExecutorType taskType;
 
-    public NewTaskCommand(String taskID, ExecutorType taskType) {
+    @NotNull
+    private final String inputData;
+
+    public NewTaskCommand(String taskID, ExecutorType taskType, String inputData) {
         this.taskID = taskID;
         this.taskType = taskType;
+        this.inputData = inputData;
         this.validateSelf();
     }
 }

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

@@ -34,7 +34,7 @@ public class NewTaskService implements NewTaskUseCase {
             return false;
         }
 
-        Task task = new Task(command.getTaskID(), command.getTaskType());
+        Task task = new Task(command.getTaskID(), command.getTaskType(), command.getInputData());
 
         Roster.getInstance().addTaskToQueue(task);
 

roster/src/main/java/ch/unisg/roster/roster/domain/Task.java

@@ -14,7 +14,11 @@ public class Task {
 
     @Getter
     @Setter
-    private String result;
+    private String inputData;
+
+    @Getter
+    @Setter
+    private String outputData;
 
     @Getter
     @Setter
@@ -30,6 +34,12 @@ public class Task {
         this.taskType = taskType;
     }
 
+    public Task(String taskID, ExecutorType taskType, String inputData) {
+        this.taskID = taskID;
+        this.taskType = taskType;
+        this.inputData = inputData;
+    }
+
     public Task() {}
 
 }

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

@@ -55,16 +55,15 @@ public class AddNewTaskToTaskListWebController {
                 (payload.getOriginalTaskUri() == null) ? Optional.empty()
                 : Optional.of(new Task.OriginalTaskUri(payload.getOriginalTaskUri()));
 
+            Optional<Task.InputData> inputData =
+                (payload.getInputData() == null) ? Optional.empty()
+                : Optional.of(new Task.InputData(payload.getInputData()));
+
             AddNewTaskToTaskListCommand command = new AddNewTaskToTaskListCommand(taskName, taskType,
-                originalTaskUriOptional);
+                originalTaskUriOptional, inputData);
 
             Task createdTask = addNewTaskToTaskListUseCase.addNewTaskToTaskList(command);
 
-            // When creating a task, the task's representation may include optional input data
-            if (payload.getInputData() != null) {
-                createdTask.setInputData(new Task.InputData(payload.getInputData()));
-            }
-
             // Add the content type as a response header
             HttpHeaders responseHeaders = new HttpHeaders();
             responseHeaders.add(HttpHeaders.CONTENT_TYPE, TaskJsonRepresentation.MEDIA_TYPE);

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

@@ -8,8 +8,11 @@ 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;
 
@@ -23,12 +26,17 @@ public class CompleteTaskWebController {
         this.completeTaskUseCase = completeTaskUseCase;
     }
 
-    @PostMapping(path = "/tasks/completeTask", consumes = {TaskJsonRepresentation.MEDIA_TYPE})
+    @GetMapping(path = "/tasks/completeTask/{taskId}")
-    public ResponseEntity<String> completeTask (@RequestBody Task task){
+    public ResponseEntity<String> completeTask (@PathVariable("taskId") String taskId){
+
+        System.out.println("completeTask");
+        System.out.println(taskId);
+
+        String taskResult = "0";
 
         try {
             CompleteTaskCommand command = new CompleteTaskCommand(
-                task.getTaskId(), task.getTaskResult()
+                new Task.TaskId(taskId), new Task.OutputData(taskResult)
             );
 
             Task updateATask = completeTaskUseCase.completeTask(command);

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

@@ -0,0 +1,74 @@
+package ch.unisg.tapastasks.tasks.adapter.out.web;
+
+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.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;
+import org.springframework.context.annotation.Primary;
+import org.springframework.stereotype.Component;
+
+import ch.unisg.tapastasks.tasks.adapter.in.formats.TaskJsonPatchRepresentation;
+import ch.unisg.tapastasks.tasks.application.port.out.ExternalTaskExecutedEvent;
+import ch.unisg.tapastasks.tasks.application.port.out.ExternalTaskExecutedEventHandler;
+
+@Component
+@Primary
+public class ExternalTaskExecutedWebAdapter implements ExternalTaskExecutedEventHandler {
+
+    Logger logger = Logger.getLogger(ExternalTaskExecutedWebAdapter.class.getName());
+
+    /**
+    *   Updates an external task which got executed in our system.
+    **/
+    @Override
+    public void handleEvent(ExternalTaskExecutedEvent externalTaskExecutedEvent) {
+
+        JSONObject op1;
+        JSONObject op2;
+        try {
+            op1 = new JSONObject()
+            .put("op", "replace")
+            .put("path", "/taskStatus")
+            .put("value", "EXECUTED");
+
+            op2 = new JSONObject()
+            .put("op", "add")
+            .put("path", "/outputData")
+            .put("value", "0");
+        } catch (JSONException e) {
+            logger.log(Level.SEVERE, e.getLocalizedMessage(), e);
+            return;
+        }
+
+        String body = new JSONArray().put(op1).put(op2).toString();
+
+        HttpClient client = HttpClient.newHttpClient();
+        HttpRequest request = HttpRequest.newBuilder()
+            .uri(URI.create(externalTaskExecutedEvent.getOriginalTaskUri().getValue()))
+            .header("Content-Type", "application/json")
+            .method("PATCH", HttpRequest.BodyPublishers.ofString(body))
+            .build();
+
+
+        try {
+            client.send(request, HttpResponse.BodyHandlers.ofString());
+        } catch (InterruptedException e) {
+            logger.log(Level.SEVERE, e.getLocalizedMessage(), e);
+            Thread.currentThread().interrupt();
+        } catch (IOException e) {
+            logger.log(Level.SEVERE, e.getLocalizedMessage(), e);
+        }
+
+    }
+
+}

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

@@ -29,6 +29,7 @@ public class PublishNewTaskAddedEventWebAdapter implements NewTaskAddedEventPort
         var values = new HashMap<String, String>() {{
             put("taskID", event.taskId);
             put("taskType", event.taskType);
+            put("inputData", event.inputData);
         }};
 
         var objectMapper = new ObjectMapper();

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

@@ -19,11 +19,19 @@ public class AddNewTaskToTaskListCommand extends SelfValidating<AddNewTaskToTask
     @Getter
     private final Optional<Task.OriginalTaskUri> originalTaskUri;
 
-    public AddNewTaskToTaskListCommand(Task.TaskName taskName, Task.TaskType taskType,
+    @Getter
-            Optional<Task.OriginalTaskUri> originalTaskUri) {
+    private final Optional<Task.InputData> inputData;
+
+    public AddNewTaskToTaskListCommand(
+        Task.TaskName taskName,
+        Task.TaskType taskType,
+        Optional<Task.OriginalTaskUri> originalTaskUri,
+        Optional<Task.InputData> inputData
+        ) {
         this.taskName = taskName;
         this.taskType = taskType;
         this.originalTaskUri = originalTaskUri;
+        this.inputData = inputData;
 
         this.validateSelf();
     }

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

@@ -1,6 +1,7 @@
 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.Value;
@@ -13,11 +14,11 @@ public class CompleteTaskCommand extends SelfValidating<CompleteTaskCommand> {
     private final TaskId taskId;
 
     @NotNull
-    private final TaskResult taskResult;
+    private final OutputData outputData;
 
-    public CompleteTaskCommand(TaskId taskId, TaskResult taskResult){
+    public CompleteTaskCommand(TaskId taskId, OutputData outputData){
         this.taskId = taskId;
-        this.taskResult = taskResult;
+        this.outputData = outputData;
         this.validateSelf();
     }
 }

tapas-tasks/src/main/java/ch/unisg/tapastasks/tasks/application/port/out/ExternalTaskExecutedEvent.java

@@ -0,0 +1,28 @@
+package ch.unisg.tapastasks.tasks.application.port.out;
+
+import javax.validation.constraints.NotNull;
+
+import ch.unisg.tapastasks.common.SelfValidating;
+import ch.unisg.tapastasks.tasks.domain.Task;
+import lombok.Getter;
+import lombok.Value;
+
+@Value
+public class ExternalTaskExecutedEvent extends SelfValidating<ExternalTaskExecutedEvent> {
+    @NotNull
+    private final Task.TaskId taskId;
+
+    @Getter
+    private final Task.OriginalTaskUri originalTaskUri;
+
+    @Getter
+    private final Task.OutputData outputData;
+
+    public ExternalTaskExecutedEvent(Task.TaskId taskId, Task.OriginalTaskUri originalTaskUri, Task.OutputData outputData) {
+        this.taskId = taskId;
+        this.originalTaskUri = originalTaskUri;
+        this.outputData = outputData;
+
+        this.validateSelf();
+    }
+}

tapas-tasks/src/main/java/ch/unisg/tapastasks/tasks/application/port/out/ExternalTaskExecutedEventHandler.java

@@ -0,0 +1,5 @@
+package ch.unisg.tapastasks.tasks.application.port.out;
+
+public interface ExternalTaskExecutedEventHandler {
+    void handleEvent(ExternalTaskExecutedEvent externalTaskExecutedEvent);
+}

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

@@ -22,12 +22,26 @@ public class AddNewTaskToTaskListService implements AddNewTaskToTaskListUseCase
     public Task addNewTaskToTaskList(AddNewTaskToTaskListCommand command) {
         TaskList taskList = TaskList.getTapasTaskList();
 
-        Task newTask = (command.getOriginalTaskUri().isPresent()) ?
+        Task newTask;
-            // Create a delegated task that points back to the original task
+
-            taskList.addNewTaskWithNameAndTypeAndOriginalTaskUri(command.getTaskName(),
+        System.out.println("TEST:");
-                command.getTaskType(), command.getOriginalTaskUri().get())
+        System.out.println(command.getInputData().get());
-            // Create an original task
+
-            : taskList.addNewTaskWithNameAndType(command.getTaskName(), command.getTaskType());
+        if (command.getOriginalTaskUri().isPresent() && command.getInputData().isPresent()) {
+            System.out.println("TEST2:");
+            newTask = taskList.addNewTaskWithNameAndTypeAndOriginalTaskUriAndInputData(command.getTaskName(),
+                command.getTaskType(), command.getOriginalTaskUri().get(), command.getInputData().get());
+        } else if (command.getOriginalTaskUri().isPresent()) {
+            newTask = taskList.addNewTaskWithNameAndTypeAndOriginalTaskUri(command.getTaskName(),
+                command.getTaskType(), command.getOriginalTaskUri().get());
+        } else if (command.getOriginalTaskUri().isPresent()) {
+            newTask = null;
+        } else {
+            newTask = taskList.addNewTaskWithNameAndType(command.getTaskName(), command.getTaskType());
+        }
+
+        System.out.println("TEST");
+        System.out.println(newTask.getInputData());
 
         //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.
@@ -35,8 +49,13 @@ public class AddNewTaskToTaskListService implements AddNewTaskToTaskListUseCase
         //not recommended to emit a domain event via an application service! You should first emit the domain event in
         //the core and then the integration event in the application layer.
         if (newTask != null) {
-            NewTaskAddedEvent newTaskAdded = new NewTaskAddedEvent(newTask.getTaskName().getValue(),
+            NewTaskAddedEvent newTaskAdded = new NewTaskAddedEvent(
-            taskList.getTaskListName().getValue(), newTask.getTaskId().getValue(), newTask.getTaskType().getValue());
+                newTask.getTaskName().getValue(),
+                taskList.getTaskListName().getValue(),
+                newTask.getTaskId().getValue(),
+                newTask.getTaskType().getValue(),
+                newTask.getInputData().getValue()
+            );
             newTaskAddedEventPort.publishNewTaskAddedEvent(newTaskAdded);
         }
 

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

@@ -2,10 +2,11 @@ package ch.unisg.tapastasks.tasks.application.service;
 
 import ch.unisg.tapastasks.tasks.application.port.in.CompleteTaskCommand;
 import ch.unisg.tapastasks.tasks.application.port.in.CompleteTaskUseCase;
+import ch.unisg.tapastasks.tasks.application.port.out.ExternalTaskExecutedEvent;
+import ch.unisg.tapastasks.tasks.application.port.out.ExternalTaskExecutedEventHandler;
 import ch.unisg.tapastasks.tasks.domain.Task;
 import ch.unisg.tapastasks.tasks.domain.Task.*;
 import ch.unisg.tapastasks.tasks.domain.TaskList;
-import lombok.Getter;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Component;
 
@@ -17,15 +18,26 @@ import java.util.Optional;
 @Transactional
 public class CompleteTaskService implements CompleteTaskUseCase {
 
+    private final ExternalTaskExecutedEventHandler externalTaskExecutedEventHandler;
+
     @Override
     public Task completeTask(CompleteTaskCommand command){
         TaskList taskList = TaskList.getTapasTaskList();
         Optional<Task> updatedTask = taskList.retrieveTaskById(command.getTaskId());
 
         Task newTask = updatedTask.get();
-        newTask.taskResult = new TaskResult(command.getTaskResult().getValue());
+        newTask.taskResult = new TaskResult(command.getOutputData().getValue());
         newTask.taskStatus = new TaskStatus(Task.Status.EXECUTED);
 
+        if (!newTask.getOriginalTaskUri().getValue().equalsIgnoreCase("")) {
+            ExternalTaskExecutedEvent event = new ExternalTaskExecutedEvent(
+                newTask.getTaskId(),
+                newTask.getOriginalTaskUri(),
+                newTask.getOutputData()
+                );
+            externalTaskExecutedEventHandler.handleEvent(event);
+        }
+
         return newTask;
     }
 }

tapas-tasks/src/main/java/ch/unisg/tapastasks/tasks/domain/NewTaskAddedEvent.java

@@ -6,12 +6,14 @@ public class NewTaskAddedEvent {
     public String taskListName;
     public String taskId;
     public String taskType;
+    public String inputData;
 
-    public NewTaskAddedEvent(String taskName, String taskListName, String taskId, String taskType) {
+    public NewTaskAddedEvent(String taskName, String taskListName, String taskId, String taskType, String inputData) {
         this.taskName = taskName;
         this.taskListName = taskListName;
         this.taskId = taskId;
         this.taskType = taskType;
+        this.inputData = inputData;
     }
 
 }

tapas-tasks/src/main/java/ch/unisg/tapastasks/tasks/domain/Task.java

@@ -51,6 +51,18 @@ public class Task {
         this.outputData = null;
     }
 
+    public Task(TaskName taskName, TaskType taskType, OriginalTaskUri taskUri, InputData inputData) {
+        this.taskName = taskName;
+        this.taskType = taskType;
+        this.taskStatus = new TaskStatus(Status.OPEN);
+        this.taskId = new TaskId(UUID.randomUUID().toString());
+        this.taskResult = new TaskResult("");
+        this.originalTaskUri = taskUri;
+
+        this.inputData = inputData;
+        this.outputData = null;
+    }
+
     protected static Task createTaskWithNameAndType(TaskName name, TaskType type) {
         //This is a simple debug message to see that the request has reached the right method in the core
         System.out.println("New Task: " + name.getValue() + " " + type.getValue());
@@ -62,6 +74,11 @@ public class Task {
         return new Task(name, type, originalTaskUri);
     }
 
+    protected static Task createTaskWithNameAndTypeAndOriginalTaskUriAndInputData(TaskName name, TaskType type,
+    OriginalTaskUri originalTaskUri, InputData inputData) {
+        return new Task(name, type, originalTaskUri, inputData);
+    }
+
     @Value
     public static class TaskId {
         String value;

tapas-tasks/src/main/java/ch/unisg/tapastasks/tasks/domain/TaskList.java

@@ -48,6 +48,15 @@ public class TaskList {
         return newTask;
     }
 
+    public Task addNewTaskWithNameAndTypeAndOriginalTaskUriAndInputData(Task.TaskName name, Task.TaskType type,
+            Task.OriginalTaskUri originalTaskUri, Task.InputData inputData) {
+        Task newTask = Task.createTaskWithNameAndTypeAndOriginalTaskUriAndInputData(name, type, originalTaskUri, inputData);
+        this.addNewTaskToList(newTask);
+
+        return newTask;
+    }
+
+
     private void addNewTaskToList(Task newTask) {
         //Here we would also publish a domain event to other entities in the core interested in this event.
         //However, we skip this here as it makes the core even more complex (e.g., we have to implement a light-weight