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Dev #65

Merged
reynisson merged 67 commits from dev into main 2021-11-16 18:14:00 +00:00
Conversation 5 Commits 67 Files Changed 295 +39 -79
10 changed files with 39 additions and 79 deletions
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5
tapas-auction-house/src/main/java/ch/unisg/tapas/TapasAuctionHouseApplication.java
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@ -4,9 +4,11 @@ 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.Autowired;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@ -20,6 +22,9 @@ 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://localhost:1883";

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

12
tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/adapter/in/messaging/mqtt/ExecutorAddedEventListenerMqttAdapter.java
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@ -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();

2
tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/application/handler/ExecutorAddedHandler.java
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@ -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());
}
}

2
tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/application/handler/ExecutorRemovedHandler.java
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@ -14,6 +14,6 @@ public class ExecutorRemovedHandler implements ExecutorRemovedEventHandler {
@Override
public boolean handleExecutorRemovedEvent(ExecutorRemovedEvent executorRemovedEvent) {
return ExecutorRegistry.getInstance().removeExecutor(executorRemovedEvent.getExecutorId());
return ExecutorRegistry.getInstance().removeExecutor(executorRemovedEvent.getExecutorUri());
}
}

11
tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/application/port/in/ExecutorAddedEvent.java
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@ -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
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@ -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();
}
}

23
tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/domain/ExecutorRegistry.java
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@ -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;
}
}