maece/HSG-MCS-HS21_tapas
1
0
Fork 0
Code Issues 14 Pull Requests Packages Projects Releases 6 Wiki Activity

Auctionhouse websub #63

Merged
Maece97 merged 5 commits from auctionhouse-websub into dev 2021-11-14 21:16:15 +00:00
Conversation 0 Commits 5 Files Changed 11 +532 -256
48 changed files with 532 additions and 256 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files
Showing only changes of commit b65df5f7be - Show all commits

6
executor-pool/pom.xml
View File

@ -63,6 +63,12 @@
<artifactId>javax.transaction-api</artifactId>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.eclipse.paho</groupId>
<artifactId>org.eclipse.paho.client.mqttv3</artifactId>
<version>1.2.5</version>
<scope>compile</scope>
</dependency>
</dependencies>
<build>

22
executor-pool/src/main/java/ch/unisg/common/ConfigProperties.java Normal file
View File

@ -0,0 +1,22 @@
package ch.unisg.common;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.env.Environment;
import org.springframework.stereotype.Component;
import java.net.URI;
@Component
public class ConfigProperties {
@Autowired
private Environment environment;
/**
* Retrieves the URI of the MQTT broker.
*
* @return the URI of the MQTT broker
*/
public URI getMqttBrokerUri() {
return URI.create(environment.getProperty("mqtt.broker.uri"));
}
}

12
executor-pool/src/main/java/ch/unisg/executorpool/TestController.java
View File

@ -1,12 +0,0 @@
package ch.unisg.executorpool;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class TestController {
@RequestMapping("/")
public String index() {
return "Hello World! Executor Pool";
}
}

41
executor-pool/src/main/java/ch/unisg/executorpool/adapter/common/clients/TapasMqttClient.java Normal file
View File

@ -0,0 +1,41 @@
package ch.unisg.executorpool.adapter.common.clients;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.eclipse.paho.client.mqttv3.*;
import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence;
import java.nio.charset.StandardCharsets;
import java.util.UUID;
public class TapasMqttClient {
private static final Logger LOGGER = LogManager.getLogger(TapasMqttClient.class);
private static TapasMqttClient tapasClient = null;
private MqttClient mqttClient;
private final String mqttClientId;
private final String brokerAddress;
private TapasMqttClient(String brokerAddress) {
this.mqttClientId = UUID.randomUUID().toString();
this.brokerAddress = brokerAddress;
}
public static synchronized TapasMqttClient getInstance(String brokerAddress) {
if (tapasClient == null) {
tapasClient = new TapasMqttClient(brokerAddress);
}
return tapasClient;
}
public void publishMessage(String topic, String payload) throws MqttException {
mqttClient = new org.eclipse.paho.client.mqttv3.MqttClient(brokerAddress, mqttClientId, new MemoryPersistence());
mqttClient.connect();
MqttMessage message = new MqttMessage(payload.getBytes(StandardCharsets.UTF_8));
mqttClient.publish(topic, message);
mqttClient.disconnect();
}
}

51
executor-pool/src/main/java/ch/unisg/executorpool/adapter/common/formats/ExecutorJsonRepresentation.java Normal file
View File

@ -0,0 +1,51 @@
package ch.unisg.executorpool.adapter.common.formats;
import ch.unisg.executorpool.domain.ExecutorClass;
import lombok.Getter;
import lombok.Setter;
import org.json.JSONArray;
import org.json.JSONObject;
import java.util.List;
public class ExecutorJsonRepresentation {
public static final String EXECUTOR_MEDIA_TYPE = "application/json";
@Getter @Setter
private String executorUri;
@Getter @Setter
private String executorTaskType;
// TODO Check if this need Setters. Also applies to AuctionJsonRepresentation
public ExecutorJsonRepresentation(String executorUri, String executorTaskType){
this.executorUri = executorUri;
this.executorTaskType = executorTaskType;
}
public static String serialize(ExecutorClass executorClass) {
JSONObject payload = new JSONObject();
payload.put("executorUri", executorClass.getExecutorUri().getValue());
payload.put("executorTaskType", executorClass.getExecutorTaskType().getValue());
return payload.toString();
}
public static String serialize(List<ExecutorClass> listOfExecutors) {
JSONArray jsonArray = new JSONArray();
for (ExecutorClass executor: listOfExecutors) {
JSONObject jsonObject = new JSONObject();
jsonObject.put("executorUri", executor.getExecutorUri().getValue());
jsonObject.put("executorTaskType", executor.getExecutorTaskType().getValue());
jsonArray.put(jsonObject);
}
return jsonArray.toString();
}
private ExecutorJsonRepresentation() { }
}

21
executor-pool/src/main/java/ch/unisg/executorpool/adapter/in/web/AddNewExecutorToExecutorPoolWebController.java
View File

@ -1,5 +1,7 @@
package ch.unisg.executorpool.adapter.in.web;
import ch.unisg.executorpool.adapter.common.clients.TapasMqttClient;
import ch.unisg.executorpool.adapter.common.formats.ExecutorJsonRepresentation;
import ch.unisg.executorpool.application.port.in.AddNewExecutorToExecutorPoolUseCase;
import ch.unisg.executorpool.application.port.in.AddNewExecutorToExecutorPoolCommand;
import ch.unisg.executorpool.domain.ExecutorClass;
@ -11,6 +13,11 @@ import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.server.ResponseStatusException;
import javax.validation.ConstraintViolationException;
import java.net.URI;
import java.nio.charset.StandardCharsets;
import java.util.UUID;
import org.eclipse.paho.client.mqttv3.*;
@RestController
public class AddNewExecutorToExecutorPoolWebController {
@ -20,19 +27,21 @@ public class AddNewExecutorToExecutorPoolWebController {
this.addNewExecutorToExecutorPoolUseCase = addNewExecutorToExecutorPoolUseCase;
}
@PostMapping(path = "/executor-pool/AddExecutor", consumes = {ExecutorMediaType.EXECUTOR_MEDIA_TYPE})
public ResponseEntity<String> addNewExecutorToExecutorPool(@RequestBody ExecutorClass executorClass){
try{
@PostMapping(path = "/executor-pool/AddExecutor", consumes = {ExecutorJsonRepresentation.EXECUTOR_MEDIA_TYPE})
public ResponseEntity<String> addNewExecutorToExecutorPool(@RequestBody ExecutorJsonRepresentation payload){
try {
AddNewExecutorToExecutorPoolCommand command = new AddNewExecutorToExecutorPoolCommand(
executorClass.getExecutorIp(), executorClass.getExecutorPort(), executorClass.getExecutorTaskType()
new ExecutorClass.ExecutorUri(URI.create(payload.getExecutorUri())),
new ExecutorClass.ExecutorTaskType(payload.getExecutorTaskType())
);
ExecutorClass newExecutor = addNewExecutorToExecutorPoolUseCase.addNewExecutorToExecutorPool(command);
HttpHeaders responseHeaders = new HttpHeaders();
responseHeaders.add(HttpHeaders.CONTENT_TYPE, ExecutorMediaType.EXECUTOR_MEDIA_TYPE);
responseHeaders.add(HttpHeaders.CONTENT_TYPE, ExecutorJsonRepresentation.EXECUTOR_MEDIA_TYPE);
return new ResponseEntity<>(ExecutorJsonRepresentation.serialize(newExecutor), responseHeaders, HttpStatus.CREATED);
return new ResponseEntity<>(ExecutorMediaType.serialize(newExecutor), responseHeaders, HttpStatus.CREATED);
} catch (ConstraintViolationException e){
throw new ResponseStatusException(HttpStatus.BAD_REQUEST, e.getMessage());
}

38
executor-pool/src/main/java/ch/unisg/executorpool/adapter/in/web/ExecutorMediaType.java
View File

@ -1,38 +0,0 @@
package ch.unisg.executorpool.adapter.in.web;
import ch.unisg.executorpool.domain.ExecutorClass;
import org.json.JSONArray;
import org.json.JSONObject;
import java.util.List;
final public class ExecutorMediaType {
public static final String EXECUTOR_MEDIA_TYPE = "application/json";
public static String serialize(ExecutorClass executorClass) {
JSONObject payload = new JSONObject();
payload.put("executorIp", executorClass.getExecutorIp().getValue());
payload.put("executorPort", executorClass.getExecutorPort().getValue());
payload.put("executorTaskType", executorClass.getExecutorTaskType().getValue());
return payload.toString();
}
public static String serialize(List<ExecutorClass> listOfExecutors) {
String serializedList = "[ \n";
for (ExecutorClass executor: listOfExecutors) {
serializedList += serialize(executor) + "\n";
}
// return serializedList + "\n ]";
JSONArray jsonArray = new JSONArray();
JSONObject jsonObject = new JSONObject();
jsonObject.put("executorIp", "localhost");
jsonArray.put(jsonObject);
return jsonArray.toString();
}
private ExecutorMediaType() { }
}

35
executor-pool/src/main/java/ch/unisg/executorpool/adapter/in/web/GetAllExecutorInExecutorPoolByTypeWebController.java
View File

@ -1,35 +0,0 @@
package ch.unisg.executorpool.adapter.in.web;
import ch.unisg.executorpool.application.port.in.GetAllExecutorInExecutorPoolByTypeQuery;
import ch.unisg.executorpool.application.port.in.GetAllExecutorInExecutorPoolByTypeUseCase;
import ch.unisg.executorpool.domain.ExecutorClass;
import ch.unisg.executorpool.domain.ExecutorClass.ExecutorTaskType;
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.RestController;
import java.util.List;
@RestController
public class GetAllExecutorInExecutorPoolByTypeWebController {
private final GetAllExecutorInExecutorPoolByTypeUseCase getAllExecutorInExecutorPoolByTypeUseCase;
public GetAllExecutorInExecutorPoolByTypeWebController(GetAllExecutorInExecutorPoolByTypeUseCase getAllExecutorInExecutorPoolByTypeUseCase){
this.getAllExecutorInExecutorPoolByTypeUseCase = getAllExecutorInExecutorPoolByTypeUseCase;
}
@GetMapping(path = "/executor-pool/GetAllExecutorInExecutorPoolByType/{taskType}")
public ResponseEntity<String> getAllExecutorInExecutorPoolByType(@PathVariable("taskType") String taskType){
GetAllExecutorInExecutorPoolByTypeQuery query = new GetAllExecutorInExecutorPoolByTypeQuery(new ExecutorTaskType(taskType));
List<ExecutorClass> matchedExecutors = getAllExecutorInExecutorPoolByTypeUseCase.getAllExecutorInExecutorPoolByType(query);
// Add the content type as a response header
HttpHeaders responseHeaders = new HttpHeaders();
responseHeaders.add(HttpHeaders.CONTENT_TYPE, ExecutorMediaType.EXECUTOR_MEDIA_TYPE);
return new ResponseEntity<>(ExecutorMediaType.serialize(matchedExecutors), responseHeaders, HttpStatus.OK);
}
}

36
executor-pool/src/main/java/ch/unisg/executorpool/adapter/in/web/GetAllExecutorsInExecutorPoolByTypeWebController.java Normal file
View File

@ -0,0 +1,36 @@
package ch.unisg.executorpool.adapter.in.web;
import ch.unisg.executorpool.adapter.common.formats.ExecutorJsonRepresentation;
import ch.unisg.executorpool.application.port.in.GetAllExecutorsInExecutorPoolByTypeQuery;
import ch.unisg.executorpool.application.port.in.GetAllExecutorsInExecutorPoolByTypeUseCase;
import ch.unisg.executorpool.domain.ExecutorClass;
import ch.unisg.executorpool.domain.ExecutorClass.ExecutorTaskType;
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.RestController;
import java.util.List;
@RestController
public class GetAllExecutorsInExecutorPoolByTypeWebController {
private final GetAllExecutorsInExecutorPoolByTypeUseCase getAllExecutorsInExecutorPoolByTypeUseCase;
public GetAllExecutorsInExecutorPoolByTypeWebController(GetAllExecutorsInExecutorPoolByTypeUseCase getAllExecutorInExecutorPoolByTypeUseCase){
this.getAllExecutorsInExecutorPoolByTypeUseCase = getAllExecutorInExecutorPoolByTypeUseCase;
}
@GetMapping(path = "/executor-pool/GetAllExecutorsInExecutorPoolByType/{taskType}")
public ResponseEntity<String> getAllExecutorInExecutorPoolByType(@PathVariable("taskType") String taskType){
GetAllExecutorsInExecutorPoolByTypeQuery query = new GetAllExecutorsInExecutorPoolByTypeQuery(new ExecutorTaskType(taskType));
List<ExecutorClass> matchedExecutors = getAllExecutorsInExecutorPoolByTypeUseCase.getAllExecutorsInExecutorPoolByType(query);
// Add the content type as a response header
HttpHeaders responseHeaders = new HttpHeaders();
responseHeaders.add(HttpHeaders.CONTENT_TYPE, ExecutorJsonRepresentation.EXECUTOR_MEDIA_TYPE);
return new ResponseEntity<>(ExecutorJsonRepresentation.serialize(matchedExecutors), responseHeaders, HttpStatus.OK);
}
}

5
executor-pool/src/main/java/ch/unisg/executorpool/adapter/in/web/GetAllExecutorsInExecutorPoolWebController.java
View File

@ -1,5 +1,6 @@
package ch.unisg.executorpool.adapter.in.web;
import ch.unisg.executorpool.adapter.common.formats.ExecutorJsonRepresentation;
import ch.unisg.executorpool.application.port.in.GetAllExecutorsInExecutorPoolUseCase;
import ch.unisg.executorpool.domain.ExecutorClass;
import org.springframework.http.HttpHeaders;
@ -24,8 +25,8 @@ public class GetAllExecutorsInExecutorPoolWebController {
// Add the content type as a response header
HttpHeaders responseHeaders = new HttpHeaders();
responseHeaders.add(HttpHeaders.CONTENT_TYPE, ExecutorMediaType.EXECUTOR_MEDIA_TYPE);
responseHeaders.add(HttpHeaders.CONTENT_TYPE, ExecutorJsonRepresentation.EXECUTOR_MEDIA_TYPE);
return new ResponseEntity<>(ExecutorMediaType.serialize(executorClassList), responseHeaders, HttpStatus.OK);
return new ResponseEntity<>(ExecutorJsonRepresentation.serialize(executorClassList), responseHeaders, HttpStatus.OK);
}
}

14
executor-pool/src/main/java/ch/unisg/executorpool/adapter/in/web/RemoveExecutorFromExecutorPoolWebController.java
View File

@ -1,5 +1,6 @@
package ch.unisg.executorpool.adapter.in.web;
import ch.unisg.executorpool.adapter.common.formats.ExecutorJsonRepresentation;
import ch.unisg.executorpool.application.port.in.RemoveExecutorFromExecutorPoolCommand;
import ch.unisg.executorpool.application.port.in.RemoveExecutorFromExecutorPoolUseCase;
import ch.unisg.executorpool.domain.ExecutorClass;
@ -11,6 +12,7 @@ import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.server.ResponseStatusException;
import java.net.URI;
import java.util.Optional;
@RestController
@ -21,9 +23,11 @@ public class RemoveExecutorFromExecutorPoolWebController {
this.removeExecutorFromExecutorPoolUseCase = removeExecutorFromExecutorPoolUseCase;
}
@PostMapping(path = "/executor-pool/RemoveExecutor", consumes = {ExecutorMediaType.EXECUTOR_MEDIA_TYPE})
public ResponseEntity<String> removeExecutorFromExecutorPool(@RequestBody ExecutorClass executorClass){
RemoveExecutorFromExecutorPoolCommand command = new RemoveExecutorFromExecutorPoolCommand(executorClass.getExecutorIp(), executorClass.getExecutorPort());
@PostMapping(path = "/executor-pool/RemoveExecutor", consumes = {ExecutorJsonRepresentation.EXECUTOR_MEDIA_TYPE})
public ResponseEntity<String> removeExecutorFromExecutorPool(@RequestBody ExecutorJsonRepresentation executorJsonRepresentation){
RemoveExecutorFromExecutorPoolCommand command = new RemoveExecutorFromExecutorPoolCommand(
new ExecutorClass.ExecutorUri(URI.create(executorJsonRepresentation.getExecutorUri()))
);
Optional<ExecutorClass> removedExecutor = removeExecutorFromExecutorPoolUseCase.removeExecutorFromExecutorPool(command);
if(removedExecutor.isEmpty()){
@ -31,9 +35,9 @@ public class RemoveExecutorFromExecutorPoolWebController {
}
HttpHeaders responseHeaders = new HttpHeaders();
responseHeaders.add(HttpHeaders.CONTENT_TYPE, ExecutorMediaType.EXECUTOR_MEDIA_TYPE);
responseHeaders.add(HttpHeaders.CONTENT_TYPE, ExecutorJsonRepresentation.EXECUTOR_MEDIA_TYPE);
return new ResponseEntity<>(ExecutorMediaType.serialize(removedExecutor.get()), responseHeaders,
return new ResponseEntity<>(ExecutorJsonRepresentation.serialize(removedExecutor.get()), responseHeaders,
HttpStatus.OK);
}
}

43
executor-pool/src/main/java/ch/unisg/executorpool/adapter/out/messaging/PublishExecutorAddedEventAdapter.java Normal file
View File

@ -0,0 +1,43 @@
package ch.unisg.executorpool.adapter.out.messaging;
import ch.unisg.common.ConfigProperties;
import ch.unisg.executorpool.adapter.common.clients.TapasMqttClient;
import ch.unisg.executorpool.adapter.common.formats.ExecutorJsonRepresentation;
import ch.unisg.executorpool.application.port.out.ExecutorAddedEventPort;
import ch.unisg.executorpool.domain.ExecutorAddedEvent;
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.core.env.Environment;
import org.springframework.stereotype.Component;
import java.net.URI;
@Component
@Primary
public class PublishExecutorAddedEventAdapter implements ExecutorAddedEventPort {
private static final Logger LOGGER = LogManager.getLogger(PublishExecutorAddedEventAdapter.class);
// TODO Can't autowire. Find fix
/*
@Autowired
private ConfigProperties config;
*/
@Autowired
private Environment environment;
@Override
public void publishExecutorAddedEvent(ExecutorAddedEvent event){
try{
var mqttClient = TapasMqttClient.getInstance(environment.getProperty("mqtt.broker.uri"));
mqttClient.publishMessage("ch/unisg/tapas/executors/added", ExecutorJsonRepresentation.serialize(event.getExecutorClass()));
}
catch (MqttException e){
LOGGER.error(e.getMessage(), e);
}
}
}

41
executor-pool/src/main/java/ch/unisg/executorpool/adapter/out/messaging/PublishExecutorRemovedEventAdapter.java Normal file
View File

@ -0,0 +1,41 @@
package ch.unisg.executorpool.adapter.out.messaging;
import ch.unisg.executorpool.adapter.common.clients.TapasMqttClient;
import ch.unisg.executorpool.adapter.common.formats.ExecutorJsonRepresentation;
import ch.unisg.executorpool.application.port.out.ExecutorRemovedEventPort;
import ch.unisg.executorpool.domain.ExecutorAddedEvent;
import ch.unisg.executorpool.domain.ExecutorRemovedEvent;
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.core.env.Environment;
import org.springframework.stereotype.Component;
@Component
@Primary
public class PublishExecutorRemovedEventAdapter implements ExecutorRemovedEventPort {
private static final Logger LOGGER = LogManager.getLogger(PublishExecutorAddedEventAdapter.class);
// TODO Can't autowire. Find fix
/*
@Autowired
private ConfigProperties config;
*/
@Autowired
private Environment environment;
@Override
public void publishExecutorRemovedEvent(ExecutorRemovedEvent event){
try{
var mqttClient = TapasMqttClient.getInstance(environment.getProperty("mqtt.broker.uri"));
mqttClient.publishMessage("ch/unisg/tapas/executors/removed", ExecutorJsonRepresentation.serialize(event.getExecutorClass()));
}
catch (MqttException e){
LOGGER.error(e.getMessage(), e);
}
}
}

13
executor-pool/src/main/java/ch/unisg/executorpool/application/port/in/AddNewExecutorToExecutorPoolCommand.java
View File

@ -2,8 +2,7 @@ package ch.unisg.executorpool.application.port.in;
import ch.unisg.common.SelfValidating;
import ch.unisg.executorpool.domain.ExecutorPool;
import ch.unisg.executorpool.domain.ExecutorClass.ExecutorIp;
import ch.unisg.executorpool.domain.ExecutorClass.ExecutorPort;
import ch.unisg.executorpool.domain.ExecutorClass.ExecutorUri;
import ch.unisg.executorpool.domain.ExecutorClass.ExecutorTaskType;
import lombok.Value;
import javax.validation.constraints.NotNull;
@ -11,17 +10,13 @@ import javax.validation.constraints.NotNull;
@Value
public class AddNewExecutorToExecutorPoolCommand extends SelfValidating<AddNewExecutorToExecutorPoolCommand> {
@NotNull
private final ExecutorIp executorIp;
@NotNull
private final ExecutorPort executorPort;
private final ExecutorUri executorUri;
@NotNull
private final ExecutorTaskType executorTaskType;
public AddNewExecutorToExecutorPoolCommand(ExecutorIp executorIp, ExecutorPort executorPort, ExecutorTaskType executorTaskType){
this.executorIp = executorIp;
this.executorPort = executorPort;
public AddNewExecutorToExecutorPoolCommand(ExecutorUri executorUri, ExecutorTaskType executorTaskType){
this.executorUri = executorUri;
this.executorTaskType = executorTaskType;
this.validateSelf();
}

9
executor-pool/src/main/java/ch/unisg/executorpool/application/port/in/GetAllExecutorInExecutorPoolByTypeUseCase.java
View File

@ -1,9 +0,0 @@
package ch.unisg.executorpool.application.port.in;
import ch.unisg.executorpool.domain.ExecutorClass;
import java.util.List;
public interface GetAllExecutorInExecutorPoolByTypeUseCase {
List<ExecutorClass> getAllExecutorInExecutorPoolByType(GetAllExecutorInExecutorPoolByTypeQuery query);
}

4
executor-pool/src/main/java/ch/unisg/executorpool/application/port/in/GetAllExecutorInExecutorPoolByTypeQuery.java → executor-pool/src/main/java/ch/unisg/executorpool/application/port/in/GetAllExecutorsInExecutorPoolByTypeQuery.java
View File

@ -7,11 +7,11 @@ import lombok.Value;
import javax.validation.constraints.NotNull;
@Value
public class GetAllExecutorInExecutorPoolByTypeQuery extends SelfValidating<GetAllExecutorInExecutorPoolByTypeQuery> {
public class GetAllExecutorsInExecutorPoolByTypeQuery extends SelfValidating<GetAllExecutorsInExecutorPoolByTypeQuery> {
@NotNull
private final ExecutorTaskType executorTaskType;
public GetAllExecutorInExecutorPoolByTypeQuery(ExecutorTaskType executorTaskType){
public GetAllExecutorsInExecutorPoolByTypeQuery(ExecutorTaskType executorTaskType){
this.executorTaskType = executorTaskType;
this.validateSelf();
}

9
executor-pool/src/main/java/ch/unisg/executorpool/application/port/in/GetAllExecutorsInExecutorPoolByTypeUseCase.java Normal file
View File

@ -0,0 +1,9 @@
package ch.unisg.executorpool.application.port.in;
import ch.unisg.executorpool.domain.ExecutorClass;
import java.util.List;
public interface GetAllExecutorsInExecutorPoolByTypeUseCase {
List<ExecutorClass> getAllExecutorsInExecutorPoolByType(GetAllExecutorsInExecutorPoolByTypeQuery query);
}

14
executor-pool/src/main/java/ch/unisg/executorpool/application/port/in/RemoveExecutorFromExecutorPoolCommand.java
View File

@ -1,9 +1,7 @@
package ch.unisg.executorpool.application.port.in;
import ch.unisg.executorpool.domain.ExecutorClass;
import ch.unisg.common.SelfValidating;
import ch.unisg.executorpool.domain.ExecutorClass.ExecutorIp;
import ch.unisg.executorpool.domain.ExecutorClass.ExecutorPort;
import ch.unisg.executorpool.domain.ExecutorClass.ExecutorUri;
import lombok.Value;
import javax.validation.constraints.NotNull;
@ -11,14 +9,10 @@ import javax.validation.constraints.NotNull;
@Value
public class RemoveExecutorFromExecutorPoolCommand extends SelfValidating<RemoveExecutorFromExecutorPoolCommand> {
@NotNull
private final ExecutorIp executorIp;
private final ExecutorUri executorUri;
@NotNull
private final ExecutorPort executorPort;
public RemoveExecutorFromExecutorPoolCommand(ExecutorIp executorIp, ExecutorPort executorPort){
this.executorIp = executorIp;
this.executorPort = executorPort;
public RemoveExecutorFromExecutorPoolCommand(ExecutorUri executorUri){
this.executorUri = executorUri;
this.validateSelf();
}
}

8
executor-pool/src/main/java/ch/unisg/executorpool/application/port/out/ExecutorAddedEventPort.java Normal file
View File

@ -0,0 +1,8 @@
package ch.unisg.executorpool.application.port.out;
import ch.unisg.executorpool.domain.ExecutorAddedEvent;
import org.eclipse.paho.client.mqttv3.MqttException;
public interface ExecutorAddedEventPort {
void publishExecutorAddedEvent(ExecutorAddedEvent event);
}

7
executor-pool/src/main/java/ch/unisg/executorpool/application/port/out/ExecutorRemovedEventPort.java Normal file
View File

@ -0,0 +1,7 @@
package ch.unisg.executorpool.application.port.out;
import ch.unisg.executorpool.domain.ExecutorRemovedEvent;
public interface ExecutorRemovedEventPort {
void publishExecutorRemovedEvent(ExecutorRemovedEvent event);
}

17
executor-pool/src/main/java/ch/unisg/executorpool/application/service/AddNewExecutorToExecutorPoolService.java
View File

@ -2,24 +2,33 @@ package ch.unisg.executorpool.application.service;
import ch.unisg.executorpool.application.port.in.AddNewExecutorToExecutorPoolUseCase;
import ch.unisg.executorpool.application.port.in.AddNewExecutorToExecutorPoolCommand;
import ch.unisg.executorpool.application.port.out.ExecutorAddedEventPort;
import ch.unisg.executorpool.domain.ExecutorAddedEvent;
import ch.unisg.executorpool.domain.ExecutorClass;
import ch.unisg.executorpool.domain.ExecutorPool;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Component;
import org.yaml.snakeyaml.constructor.DuplicateKeyException;
import javax.transaction.Transactional;
import javax.validation.ConstraintViolationException;
@RequiredArgsConstructor
@Component
@Transactional
public class AddNewExecutorToExecutorPoolService implements AddNewExecutorToExecutorPoolUseCase {
private final ExecutorAddedEventPort executorAddedEventPort;
public AddNewExecutorToExecutorPoolService(ExecutorAddedEventPort executorAddedEventPort){
this.executorAddedEventPort = executorAddedEventPort;
}
@Override
public ExecutorClass addNewExecutorToExecutorPool(AddNewExecutorToExecutorPoolCommand command){
ExecutorPool executorPool = ExecutorPool.getExecutorPool();
var newExecutor = executorPool.addNewExecutor(command.getExecutorUri(), command.getExecutorTaskType());
return executorPool.addNewExecutor(command.getExecutorIp(), command.getExecutorPort(), command.getExecutorTaskType());
var executorAddedEvent = new ExecutorAddedEvent(newExecutor);
executorAddedEventPort.publishExecutorAddedEvent(executorAddedEvent);
return newExecutor;
}
}

8
executor-pool/src/main/java/ch/unisg/executorpool/application/service/GetAllExecutorInExecutorPoolByTypeService.java → executor-pool/src/main/java/ch/unisg/executorpool/application/service/GetAllExecutorsInExecutorPoolByTypeService.java
View File

@ -1,7 +1,7 @@
package ch.unisg.executorpool.application.service;
import ch.unisg.executorpool.application.port.in.GetAllExecutorInExecutorPoolByTypeQuery;
import ch.unisg.executorpool.application.port.in.GetAllExecutorInExecutorPoolByTypeUseCase;
import ch.unisg.executorpool.application.port.in.GetAllExecutorsInExecutorPoolByTypeQuery;
import ch.unisg.executorpool.application.port.in.GetAllExecutorsInExecutorPoolByTypeUseCase;
import ch.unisg.executorpool.domain.ExecutorClass;
import ch.unisg.executorpool.domain.ExecutorPool;
import lombok.RequiredArgsConstructor;
@ -13,10 +13,10 @@ import java.util.List;
@RequiredArgsConstructor
@Component
@Transactional
public class GetAllExecutorInExecutorPoolByTypeService implements GetAllExecutorInExecutorPoolByTypeUseCase {
public class GetAllExecutorsInExecutorPoolByTypeService implements GetAllExecutorsInExecutorPoolByTypeUseCase {
@Override
public List<ExecutorClass> getAllExecutorInExecutorPoolByType(GetAllExecutorInExecutorPoolByTypeQuery query){
public List<ExecutorClass> getAllExecutorsInExecutorPoolByType(GetAllExecutorsInExecutorPoolByTypeQuery query){
ExecutorPool executorPool = ExecutorPool.getExecutorPool();
return executorPool.getAllExecutorsByType(query.getExecutorTaskType());
}

19
executor-pool/src/main/java/ch/unisg/executorpool/application/service/RemoveExecutorFromExecutorPoolService.java
View File

@ -2,21 +2,36 @@ package ch.unisg.executorpool.application.service;
import ch.unisg.executorpool.application.port.in.RemoveExecutorFromExecutorPoolCommand;
import ch.unisg.executorpool.application.port.in.RemoveExecutorFromExecutorPoolUseCase;
import ch.unisg.executorpool.application.port.out.ExecutorRemovedEventPort;
import ch.unisg.executorpool.domain.ExecutorClass;
import ch.unisg.executorpool.domain.ExecutorPool;
import ch.unisg.executorpool.domain.ExecutorRemovedEvent;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Component;
import javax.transaction.Transactional;
import java.util.Optional;
@RequiredArgsConstructor
@Component
@Transactional
public class RemoveExecutorFromExecutorPoolService implements RemoveExecutorFromExecutorPoolUseCase {
private final ExecutorRemovedEventPort executorRemovedEventPort;
public RemoveExecutorFromExecutorPoolService(ExecutorRemovedEventPort executorRemovedEventPort){
this.executorRemovedEventPort = executorRemovedEventPort;
}
@Override
public Optional<ExecutorClass> removeExecutorFromExecutorPool(RemoveExecutorFromExecutorPoolCommand command){
ExecutorPool executorPool = ExecutorPool.getExecutorPool();
return executorPool.removeExecutorByIpAndPort(command.getExecutorIp(), command.getExecutorPort());
var removedExecutor = executorPool.removeExecutorByIpAndPort(command.getExecutorUri());
if(removedExecutor.isPresent()){
var executorRemovedEvent = new ExecutorRemovedEvent(removedExecutor.get());
executorRemovedEventPort.publishExecutorRemovedEvent(executorRemovedEvent);
}
return removedExecutor;
}
}

10
executor-pool/src/main/java/ch/unisg/executorpool/domain/ExecutorAddedEvent.java Normal file
View File

@ -0,0 +1,10 @@
package ch.unisg.executorpool.domain;
import lombok.Getter;
public class ExecutorAddedEvent {
@Getter
private ExecutorClass executorClass;
public ExecutorAddedEvent(ExecutorClass executorClass) { this.executorClass = executorClass; }
}

27
executor-pool/src/main/java/ch/unisg/executorpool/domain/ExecutorClass.java
View File

@ -3,36 +3,29 @@ package ch.unisg.executorpool.domain;
import lombok.Getter;
import lombok.Value;
import java.net.URI;
public class ExecutorClass {
@Getter
private final ExecutorIp executorIp;
@Getter
private final ExecutorPort executorPort;
private final ExecutorUri executorUri;
@Getter
private final ExecutorTaskType executorTaskType;
public ExecutorClass(ExecutorIp executorIp, ExecutorPort executorPort, ExecutorTaskType executorTaskType){
this.executorIp = executorIp;
this.executorPort = executorPort;
public ExecutorClass(ExecutorUri executorUri, ExecutorTaskType executorTaskType){
this.executorUri = executorUri;
this.executorTaskType = executorTaskType;
}
protected static ExecutorClass createExecutorClass(ExecutorIp executorIp, ExecutorPort executorPort, ExecutorTaskType executorTaskType){
System.out.println("New Task: " + executorIp.getValue() + " " + executorPort.getValue() + " " + executorTaskType.getValue());
return new ExecutorClass(executorIp, executorPort, executorTaskType);
protected static ExecutorClass createExecutorClass(ExecutorUri executorUri, ExecutorTaskType executorTaskType){
System.out.println("New Executor: " + executorUri.value.toString() + " " + executorTaskType.getValue());
return new ExecutorClass(executorUri, executorTaskType);
}
@Value
public static class ExecutorIp {
private String value;
}
@Value
public static class ExecutorPort {
private String value;
public static class ExecutorUri {
private URI value;
}
@Value

18
executor-pool/src/main/java/ch/unisg/executorpool/domain/ExecutorPool.java
View File

@ -1,5 +1,8 @@
package ch.unisg.executorpool.domain;
import ch.unisg.executorpool.domain.ExecutorClass.ExecutorUri;
import ch.unisg.executorpool.domain.ExecutorClass.ExecutorTaskType;
import lombok.Getter;
import lombok.Value;
@ -20,19 +23,17 @@ public class ExecutorPool {
public static ExecutorPool getExecutorPool() { return executorPool; }
public ExecutorClass addNewExecutor(ExecutorClass.ExecutorIp executorIp, ExecutorClass.ExecutorPort executorPort, ExecutorClass.ExecutorTaskType executorTaskType){
ExecutorClass newExecutor = ExecutorClass.createExecutorClass(executorIp, executorPort, executorTaskType);
public ExecutorClass addNewExecutor(ExecutorUri executorUri, ExecutorTaskType executorTaskType){
ExecutorClass newExecutor = ExecutorClass.createExecutorClass(executorUri, executorTaskType);
listOfExecutors.value.add(newExecutor);
System.out.println("Number of executors: " + listOfExecutors.value.size());
return newExecutor;
}
public Optional<ExecutorClass> getExecutorByIpAndPort(ExecutorClass.ExecutorIp executorIp, ExecutorClass.ExecutorPort executorPort){
public Optional<ExecutorClass> getExecutorByUri(ExecutorUri executorUri){
for (ExecutorClass executor : listOfExecutors.value ) {
// TODO can this be simplified by overwriting equals()?
if(executor.getExecutorIp().getValue().equalsIgnoreCase(executorIp.getValue()) &&
executor.getExecutorPort().getValue().equalsIgnoreCase(executorPort.getValue())){
if(executor.getExecutorUri().getValue().equals(executorUri)){
return Optional.of(executor);
}
}
@ -54,11 +55,10 @@ public class ExecutorPool {
return matchedExecutors;
}
public Optional<ExecutorClass> removeExecutorByIpAndPort(ExecutorClass.ExecutorIp executorIp, ExecutorClass.ExecutorPort executorPort){
public Optional<ExecutorClass> removeExecutorByIpAndPort(ExecutorUri executorUri){
for (ExecutorClass executor : listOfExecutors.value ) {
// TODO can this be simplified by overwriting equals()?
if(executor.getExecutorIp().getValue().equalsIgnoreCase(executorIp.getValue()) &&
executor.getExecutorPort().getValue().equalsIgnoreCase(executorPort.getValue())){
if(executor.getExecutorUri().getValue().equals(executorUri.getValue())){
listOfExecutors.value.remove(executor);
return Optional.of(executor);
}

11
executor-pool/src/main/java/ch/unisg/executorpool/domain/ExecutorRemovedEvent.java Normal file
View File

@ -0,0 +1,11 @@
package ch.unisg.executorpool.domain;
import ch.unisg.executorpool.domain.ExecutorClass;
import lombok.Getter;
public class ExecutorRemovedEvent {
@Getter
private ExecutorClass executorClass;
public ExecutorRemovedEvent(ExecutorClass executorClass) { this.executorClass = executorClass; }
}

2
executor-pool/src/main/resources/application.properties
View File

@ -1 +1,3 @@
server.port=8083
mqtt.broker.uri=tcp://localhost:1883

9
tapas-auction-house/src/main/java/ch/unisg/tapas/TapasAuctionHouseApplication.java
View File

@ -4,10 +4,12 @@ import ch.unisg.tapas.auctionhouse.adapter.common.clients.TapasMqttClient;
import ch.unisg.tapas.auctionhouse.adapter.in.messaging.mqtt.AuctionEventsMqttDispatcher;
import ch.unisg.tapas.auctionhouse.adapter.common.clients.WebSubSubscriber;
import ch.unisg.tapas.common.AuctionHouseResourceDirectory;
import ch.unisg.tapas.common.ConfigProperties;
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.Value;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@ -21,15 +23,18 @@ import java.util.List;
public class TapasAuctionHouseApplication {
private static final Logger LOGGER = LogManager.getLogger(TapasAuctionHouseApplication.class);
@Autowired
private ConfigProperties config;
public static String RESOURCE_DIRECTORY = "https://api.interactions.ics.unisg.ch/auction-houses/";
public static String MQTT_BROKER = "tcp://broker.hivemq.com:1883";
public static String MQTT_BROKER = "tcp://localhost:1883";
public static void main(String[] args) {
SpringApplication tapasAuctioneerApp = new SpringApplication(TapasAuctionHouseApplication.class);
// We will use these bootstrap methods in Week 6:
bootstrapMarketplaceWithWebSub();
// bootstrapMarketplaceWithMqtt();
bootstrapMarketplaceWithMqtt();
tapasAuctioneerApp.run(args);
}

5
tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/adapter/common/clients/TapasMqttClient.java
View File

@ -68,7 +68,10 @@ public class TapasMqttClient {
mqttClient.subscribe(topic);
}
private void publishMessage(String topic, String payload) throws MqttException {
public void publishMessage(String topic, String payload) throws MqttException {
mqttClient = new org.eclipse.paho.client.mqttv3.MqttClient(brokerAddress, mqttClientId, new MemoryPersistence());
mqttClient.connect();
MqttMessage message = new MqttMessage(payload.getBytes(StandardCharsets.UTF_8));
mqttClient.publish(topic, message);
}

6
tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/adapter/common/formats/AuctionJsonRepresentation.java
View File

@ -7,6 +7,8 @@ import com.fasterxml.jackson.databind.ObjectMapper;
import lombok.Getter;
import lombok.Setter;
import java.sql.Timestamp;
/**
* Used to expose a representation of the state of an auction through an interface. This class is
* only meant as a starting point when defining a uniform HTTP API for the Auction House: feel free
@ -28,12 +30,12 @@ public class AuctionJsonRepresentation {
private String taskType;
@Getter @Setter
private Integer deadline;
private Timestamp deadline;
public AuctionJsonRepresentation() { }
public AuctionJsonRepresentation(String auctionId, String auctionHouseUri, String taskUri,
String taskType, Integer deadline) {
String taskType, Timestamp deadline) {
this.auctionId = auctionId;
this.auctionHouseUri = auctionHouseUri;
this.taskUri = taskUri;

34
tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/adapter/in/messaging/http/ExecutorAddedEventListenerHttpAdapter.java
View File

@ -1,34 +0,0 @@
package ch.unisg.tapas.auctionhouse.adapter.in.messaging.http;
import ch.unisg.tapas.auctionhouse.application.handler.ExecutorAddedHandler;
import ch.unisg.tapas.auctionhouse.application.port.in.ExecutorAddedEvent;
import ch.unisg.tapas.auctionhouse.domain.Auction;
import ch.unisg.tapas.auctionhouse.domain.ExecutorRegistry;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;
/**
* Template for receiving an executor added event via HTTP
*/
@RestController
public class ExecutorAddedEventListenerHttpAdapter {
@PostMapping(path = "/executors/{taskType}/{executorId}")
public ResponseEntity<String> handleExecutorAddedEvent(@PathVariable("taskType") String taskType,
@PathVariable("executorId") String executorId) {
ExecutorAddedEvent executorAddedEvent = new ExecutorAddedEvent(
new ExecutorRegistry.ExecutorIdentifier(executorId),
new Auction.AuctionedTaskType(taskType)
);
ExecutorAddedHandler newExecutorHandler = new ExecutorAddedHandler();
newExecutorHandler.handleNewExecutorEvent(executorAddedEvent);
return new ResponseEntity<>(HttpStatus.NO_CONTENT);
}
}

16
tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/adapter/in/messaging/http/ExecutorRemovedEventListenerHttpAdapter.java
View File

@ -1,16 +0,0 @@
package ch.unisg.tapas.auctionhouse.adapter.in.messaging.http;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;
/**
* Template for handling an executor removed event received via an HTTP request
*/
@RestController
public class ExecutorRemovedEventListenerHttpAdapter {
// TODO: add annotations for request method, request URI, etc.
public void handleExecutorRemovedEvent(@PathVariable("executorId") String executorId) {
// TODO: implement logic
}
}

2
tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/adapter/in/messaging/mqtt/AuctionEventsMqttDispatcher.java
View File

@ -26,7 +26,7 @@ public class AuctionEventsMqttDispatcher {
// TODO: Register here your topics and event listener adapters
private void initRouter() {
router.put("ch/unisg/tapas-group-tutors/executors", new ExecutorAddedEventListenerMqttAdapter());
router.put("ch/unisg/tapas/executors/added", new ExecutorAddedEventListenerMqttAdapter());
}
/**

12
tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/adapter/in/messaging/mqtt/ExecutorAddedEventListenerMqttAdapter.java
View File

@ -11,6 +11,8 @@ import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.eclipse.paho.client.mqttv3.MqttMessage;
import java.net.URI;
/**
* Listener that handles events when an executor was added to this TAPAS application.
*
@ -24,16 +26,16 @@ public class ExecutorAddedEventListenerMqttAdapter extends AuctionEventMqttListe
String payload = new String(message.getPayload());
try {
// Note: this messge representation is provided only as an example. You should use a
// Note: this message representation is provided only as an example. You should use a
// representation that makes sense in the context of your application.
JsonNode data = new ObjectMapper().readTree(payload);
String taskType = data.get("taskType").asText();
String executorId = data.get("executorId").asText();
String executorUri = data.get("executorUri").asText();
String executorTaskType = data.get("executorTaskType").asText();
ExecutorAddedEvent executorAddedEvent = new ExecutorAddedEvent(
new ExecutorRegistry.ExecutorIdentifier(executorId),
new Auction.AuctionedTaskType(taskType)
new ExecutorRegistry.ExecutorUri(URI.create(executorUri)),
new Auction.AuctionedTaskType(executorTaskType)
);
ExecutorAddedHandler newExecutorHandler = new ExecutorAddedHandler();

46
tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/adapter/in/messaging/mqtt/ExecutorRemovedEventListenerMqttAdapter.java Normal file
View File

@ -0,0 +1,46 @@
package ch.unisg.tapas.auctionhouse.adapter.in.messaging.mqtt;
import ch.unisg.tapas.auctionhouse.application.handler.ExecutorRemovedHandler;
import ch.unisg.tapas.auctionhouse.application.port.in.ExecutorRemovedEvent;
import ch.unisg.tapas.auctionhouse.domain.Auction;
import ch.unisg.tapas.auctionhouse.domain.ExecutorRegistry;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonNode;
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;
/**
* Listener that handles events when an executor was removed to this TAPAS application.
*
* This class is only provided as an example to help you bootstrap the project.
*/
public class ExecutorRemovedEventListenerMqttAdapter extends AuctionEventMqttListener {
private static final Logger LOGGER = LogManager.getLogger(ExecutorRemovedEventListenerMqttAdapter.class);
@Override
public boolean handleEvent(MqttMessage message) {
String payload = new String(message.getPayload());
try {
// Note: this messge representation is provided only as an example. You should use a
// representation that makes sense in the context of your application.
JsonNode data = new ObjectMapper().readTree(payload);
String executorId = data.get("executorId").asText();
ExecutorRemovedEvent executorRemovedEvent = new ExecutorRemovedEvent(
new ExecutorRegistry.ExecutorIdentifier(executorId)
);
ExecutorRemovedHandler newExecutorHandler = new ExecutorRemovedHandler();
newExecutorHandler.handleNewExecutorEvent(executorRemovedEvent);
} catch (JsonProcessingException | NullPointerException e) {
LOGGER.error(e.getMessage(), e);
return false;
}
return true;
}
}

36
tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/adapter/out/messaging/websub/PublishAuctionStartedEventMqttAdapter.java Normal file
View File

@ -0,0 +1,36 @@
package ch.unisg.tapas.auctionhouse.adapter.out.messaging.websub;
import ch.unisg.tapas.auctionhouse.adapter.common.clients.TapasMqttClient;
import ch.unisg.tapas.auctionhouse.adapter.common.formats.AuctionJsonRepresentation;
import ch.unisg.tapas.auctionhouse.adapter.in.messaging.mqtt.AuctionEventsMqttDispatcher;
import ch.unisg.tapas.auctionhouse.application.port.out.AuctionStartedEventPort;
import ch.unisg.tapas.auctionhouse.domain.AuctionStartedEvent;
import ch.unisg.tapas.common.ConfigProperties;
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
public class PublishAuctionStartedEventMqttAdapter implements AuctionStartedEventPort {
private static final Logger LOGGER = LogManager.getLogger(PublishAuctionStartedEventMqttAdapter.class);
@Autowired
private ConfigProperties config;
@Override
public void publishAuctionStartedEvent(AuctionStartedEvent event) {
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);
}
}
}

1
tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/adapter/out/messaging/websub/PublishAuctionStartedEventWebSubAdapter.java
View File

@ -29,7 +29,6 @@ import java.util.stream.Collectors;
* This class is a template for publishing auction started events via WebSub.
*/
@Component
@Primary
public class PublishAuctionStartedEventWebSubAdapter implements AuctionStartedEventPort {
// You can use this object to retrieve properties from application.properties, e.g. the
// WebSub hub publish endpoint, etc.

2
tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/application/handler/ExecutorAddedHandler.java
View File

@ -11,6 +11,6 @@ public class ExecutorAddedHandler implements ExecutorAddedEventHandler {
@Override
public boolean handleNewExecutorEvent(ExecutorAddedEvent executorAddedEvent) {
return ExecutorRegistry.getInstance().addExecutor(executorAddedEvent.getTaskType(),
executorAddedEvent.getExecutorId());
executorAddedEvent.getExecutorUri());
}
}

5
tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/application/handler/ExecutorRemovedHandler.java
View File

@ -14,6 +14,9 @@ public class ExecutorRemovedHandler implements ExecutorRemovedEventHandler {
@Override
public boolean handleExecutorRemovedEvent(ExecutorRemovedEvent executorRemovedEvent) {
return ExecutorRegistry.getInstance().removeExecutor(executorRemovedEvent.getExecutorId());
return ExecutorRegistry.getInstance().removeExecutor(executorRemovedEvent.getExecutorUri());
}
public void handleNewExecutorEvent(ExecutorRemovedEvent executorRemovedEvent) {
}
}

11
tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/application/port/in/ExecutorAddedEvent.java
View File

@ -1,7 +1,8 @@
package ch.unisg.tapas.auctionhouse.application.port.in;
import ch.unisg.tapas.auctionhouse.domain.Auction.AuctionedTaskType;
import ch.unisg.tapas.auctionhouse.domain.ExecutorRegistry.ExecutorIdentifier;
import ch.unisg.tapas.auctionhouse.domain.ExecutorRegistry;
import ch.unisg.tapas.auctionhouse.domain.ExecutorRegistry.ExecutorUri;
import ch.unisg.tapas.common.SelfValidating;
import lombok.Value;
@ -13,7 +14,7 @@ import javax.validation.constraints.NotNull;
@Value
public class ExecutorAddedEvent extends SelfValidating<ExecutorAddedEvent> {
@NotNull
private final ExecutorIdentifier executorId;
private final ExecutorRegistry.ExecutorUri executorUri;
@NotNull
private final AuctionedTaskType taskType;
@ -21,10 +22,10 @@ public class ExecutorAddedEvent extends SelfValidating<ExecutorAddedEvent> {
/**
* Constructs an executor added event.
*
* @param executorId the identifier of the executor that was added to this TAPAS application
* @param executorUri the identifier of the executor that was added to this TAPAS application
*/
public ExecutorAddedEvent(ExecutorIdentifier executorId, AuctionedTaskType taskType) {
this.executorId = executorId;
public ExecutorAddedEvent(ExecutorUri executorUri, AuctionedTaskType taskType) {
this.executorUri = executorUri;
this.taskType = taskType;
this.validateSelf();

11
tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/application/port/in/ExecutorRemovedEvent.java
View File

@ -1,6 +1,7 @@
package ch.unisg.tapas.auctionhouse.application.port.in;
import ch.unisg.tapas.auctionhouse.domain.ExecutorRegistry.ExecutorIdentifier;
import ch.unisg.tapas.auctionhouse.domain.ExecutorRegistry;
import ch.unisg.tapas.auctionhouse.domain.ExecutorRegistry.ExecutorUri;
import ch.unisg.tapas.common.SelfValidating;
import lombok.Value;
@ -12,15 +13,15 @@ import javax.validation.constraints.NotNull;
@Value
public class ExecutorRemovedEvent extends SelfValidating<ExecutorRemovedEvent> {
@NotNull
private final ExecutorIdentifier executorId;
private final ExecutorUri executorUri;
/**
* Constructs an executor removed event.
*
* @param executorId the identifier of the executor that was removed from this TAPAS application
* @param executorUri
*/
public ExecutorRemovedEvent(ExecutorIdentifier executorId) {
this.executorId = executorId;
public ExecutorRemovedEvent(ExecutorUri executorUri) {
this.executorUri = executorUri;
this.validateSelf();
}
}

6
tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/application/service/StartAuctionService.java
View File

@ -2,6 +2,7 @@ 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.*;
@ -11,6 +12,7 @@ import org.apache.logging.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import java.sql.Timestamp;
import java.util.Optional;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
@ -25,7 +27,7 @@ import java.util.concurrent.TimeUnit;
public class StartAuctionService implements LaunchAuctionUseCase {
private static final Logger LOGGER = LogManager.getLogger(StartAuctionService.class);
private final static int DEFAULT_AUCTION_DEADLINE_MILLIS = 10000;
private final Timestamp DEFAULT_AUCTION_DEADLINE_MILLIS = Timestamp.valueOf("1970-01-01 00:00:01");
// Event port used to publish an auction started event
private final AuctionStartedEventPort auctionStartedEventPort;
@ -63,7 +65,7 @@ public class StartAuctionService implements LaunchAuctionUseCase {
auctions.addAuction(auction);
// Schedule the closing of the auction at the deadline
service.schedule(new CloseAuctionTask(auction.getAuctionId()), deadline.getValue(),
service.schedule(new CloseAuctionTask(auction.getAuctionId()), deadline.getValue().getTime() - System.currentTimeMillis(),
TimeUnit.MILLISECONDS);
// Publish an auction started event

3
tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/domain/Auction.java
View File

@ -4,6 +4,7 @@ import lombok.Getter;
import lombok.Value;
import java.net.URI;
import java.sql.Timestamp;
import java.util.*;
/**
@ -166,6 +167,6 @@ public class Auction {
@Value
public static class AuctionDeadline {
int value;
Timestamp value;
}
}

23
tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/domain/ExecutorRegistry.java
View File

@ -2,6 +2,7 @@ package ch.unisg.tapas.auctionhouse.domain;
import lombok.Value;
import java.net.URI;
import java.util.*;
/**
@ -13,7 +14,7 @@ import java.util.*;
public class ExecutorRegistry {
private static ExecutorRegistry registry;
private final Map<Auction.AuctionedTaskType, Set<ExecutorIdentifier>> executors;
private final Map<Auction.AuctionedTaskType, Set<ExecutorUri>> executors;
private ExecutorRegistry() {
this.executors = new Hashtable<>();
@ -31,14 +32,14 @@ public class ExecutorRegistry {
* Adds an executor to the registry for a given task type.
*
* @param taskType the type of the task
* @param executorIdentifier the identifier of the executor (can be any string)
* @param executorUri the executor's URI
* @return true unless a runtime exception occurs
*/
public boolean addExecutor(Auction.AuctionedTaskType taskType, ExecutorIdentifier executorIdentifier) {
Set<ExecutorIdentifier> taskTypeExecs = executors.getOrDefault(taskType,
public boolean addExecutor(Auction.AuctionedTaskType taskType, ExecutorUri executorUri) {
Set<ExecutorUri> taskTypeExecs = executors.getOrDefault(taskType,
Collections.synchronizedSet(new HashSet<>()));
taskTypeExecs.add(executorIdentifier);
taskTypeExecs.add(executorUri);
executors.put(taskType, taskTypeExecs);
return true;
@ -47,17 +48,17 @@ public class ExecutorRegistry {
/**
* Removes an executor from the registry. The executor is disassociated from all known task types.
*
* @param executorIdentifier the identifier of the executor (can be any string)
* @param executorUri the executor's URI
* @return true unless a runtime exception occurs
*/
public boolean removeExecutor(ExecutorIdentifier executorIdentifier) {
public boolean removeExecutor(ExecutorUri executorUri) {
Iterator<Auction.AuctionedTaskType> iterator = executors.keySet().iterator();
while (iterator.hasNext()) {
Auction.AuctionedTaskType taskType = iterator.next();
Set<ExecutorIdentifier> set = executors.get(taskType);
Set<ExecutorUri> set = executors.get(taskType);
set.remove(executorIdentifier);
set.remove(executorUri);
if (set.isEmpty()) {
iterator.remove();
@ -80,7 +81,7 @@ public class ExecutorRegistry {
// Value Object for the executor identifier
@Value
public static class ExecutorIdentifier {
String value;
public static class ExecutorUri {
URI value;
}
}

10
tapas-auction-house/src/main/java/ch/unisg/tapas/common/ConfigProperties.java
View File

@ -61,4 +61,14 @@ public class ConfigProperties {
public URI getTaskListUri() {
return URI.create(environment.getProperty("tasks.list.uri"));
}
/**
* Retrieves the URI of the MQTT broker.
*
* @return the URI of the MQTT broker
*/
public URI getMqttBrokerUri() {
return URI.create(environment.getProperty("mqtt.broker.uri"));
}
}

1
tapas-auction-house/src/main/resources/application.properties
View File

@ -10,3 +10,4 @@ tasks.list.uri=https://tapas-tasks.86-119-34-23.nip.io/
application.environment=development
auctionhouse.uri=http://localhost:8086
websub.hub.uri=http://localhost:3000
mqtt.broker.uri=tcp://localhost:1883

8
tapas-tasks/src/main/java/ch/unisg/tapastasks/tasks/application/service/DeleteTaskService.java
View File

@ -5,6 +5,7 @@ import ch.unisg.tapastasks.tasks.application.port.in.DeleteTaskCommand;
import ch.unisg.tapastasks.tasks.application.port.in.DeleteTaskUseCase;
import ch.unisg.tapastasks.tasks.domain.Task;
import ch.unisg.tapastasks.tasks.domain.TaskList;
import jdk.jshell.spi.ExecutionControl;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Component;
@ -23,11 +24,10 @@ public class DeleteTaskService implements DeleteTaskUseCase {
Optional<Task> updatedTask = taskList.retrieveTaskById(command.getTaskId());
Task newTask = updatedTask.get();
// TODO: Fill in the right condition into the if-statement and the else-statement
if (/*the task can be deleted*/){
if (true){
return taskList.deleteTaskById(command.getTaskId());
} else {
/*send message back to TaskList that the task cannot be deleted*/
}
// TODO Handle with a return message
return Optional.empty();
}
}