+++ /dev/null
-package de.juplo.kafka.chat.backend.persistence.kafka;
-
-import de.juplo.kafka.chat.backend.domain.ChatRoom;
-import de.juplo.kafka.chat.backend.domain.ChatRoomInfo;
-import de.juplo.kafka.chat.backend.domain.Message;
-import lombok.Getter;
-import lombok.extern.slf4j.Slf4j;
-import org.apache.kafka.clients.consumer.Consumer;
-import org.apache.kafka.clients.consumer.ConsumerRebalanceListener;
-import org.apache.kafka.clients.consumer.ConsumerRecord;
-import org.apache.kafka.clients.consumer.ConsumerRecords;
-import org.apache.kafka.clients.producer.Producer;
-import org.apache.kafka.clients.producer.ProducerRecord;
-import org.apache.kafka.common.TopicPartition;
-import org.apache.kafka.common.errors.WakeupException;
-import reactor.core.publisher.Flux;
-import reactor.core.publisher.Mono;
-
-import java.time.*;
-import java.util.*;
-import java.util.stream.IntStream;
-
-
-@Slf4j
-public class ChatMessageChannel implements Runnable, ConsumerRebalanceListener
-{
- private final String topic;
- private final Producer<String, AbstractMessageTo> producer;
- private final Consumer<String, AbstractMessageTo> consumer;
- private final ZoneId zoneId;
- private final int numShards;
- private final int bufferSize;
- private final Clock clock;
- private final boolean[] isShardOwned;
- private final long[] currentOffset;
- private final long[] nextOffset;
- private final Map<UUID, ChatRoom>[] chatrooms;
-
- private boolean running;
- @Getter
- private volatile boolean loadInProgress;
-
-
- public ChatMessageChannel(
- String topic,
- Producer<String, AbstractMessageTo> producer,
- Consumer<String, AbstractMessageTo> consumer,
- ZoneId zoneId,
- int numShards,
- int bufferSize,
- Clock clock)
- {
- log.debug(
- "Creating ChatMessageChannel for topic {} with {} partitions",
- topic,
- numShards);
- this.topic = topic;
- this.consumer = consumer;
- this.producer = producer;
- this.zoneId = zoneId;
- this.numShards = numShards;
- this.bufferSize = bufferSize;
- this.clock = clock;
- this.isShardOwned = new boolean[numShards];
- this.currentOffset = new long[numShards];
- this.nextOffset = new long[numShards];
- this.chatrooms = new Map[numShards];
- IntStream
- .range(0, numShards)
- .forEach(shard -> this.chatrooms[shard] = new HashMap<>());
- }
-
-
-
- Mono<ChatRoomInfo> sendCreateChatRoomRequest(
- UUID chatRoomId,
- String name)
- {
- CreateChatRoomCommandTo createChatRoomRequestTo = CreateChatRoomCommandTo.of(name);
- return Mono.create(sink ->
- {
- ProducerRecord<String, AbstractMessageTo> record =
- new ProducerRecord<>(
- topic,
- chatRoomId.toString(),
- createChatRoomRequestTo);
-
- producer.send(record, ((metadata, exception) ->
- {
- if (metadata != null)
- {
- log.info("Successfully send chreate-request for chat room: {}", createChatRoomRequestTo);
- ChatRoomInfo chatRoomInfo = new ChatRoomInfo(chatRoomId, name, record.partition());
- createChatRoom(chatRoomInfo);
- sink.success(chatRoomInfo);
- }
- else
- {
- // On send-failure
- log.error(
- "Could not send create-request for chat room (id={}, name={}): {}",
- chatRoomId,
- name,
- exception);
- sink.error(exception);
- }
- }));
- });
- }
-
- Mono<Message> sendChatMessage(
- UUID chatRoomId,
- Message.MessageKey key,
- LocalDateTime timestamp,
- String text)
- {
- ZonedDateTime zdt = ZonedDateTime.of(timestamp, zoneId);
- return Mono.create(sink ->
- {
- ProducerRecord<String, AbstractMessageTo> record =
- new ProducerRecord<>(
- topic,
- null,
- zdt.toEpochSecond(),
- chatRoomId.toString(),
- ChatMessageReceivedEventTo.of(key.getUsername(), key.getMessageId(), text));
-
- producer.send(record, ((metadata, exception) ->
- {
- if (metadata != null)
- {
- // On successful send
- Message message = new Message(key, metadata.offset(), timestamp, text);
- log.info("Successfully send message {}", message);
- sink.success(message);
- }
- else
- {
- // On send-failure
- log.error(
- "Could not send message for chat-room={}, key={}, timestamp={}, text={}: {}",
- chatRoomId,
- key,
- timestamp,
- text,
- exception);
- sink.error(exception);
- }
- }));
- });
- }
-
- @Override
- public void onPartitionsAssigned(Collection<TopicPartition> partitions)
- {
- log.info("Newly assigned partitions! Pausing normal operations...");
- loadInProgress = true;
-
- consumer.endOffsets(partitions).forEach((topicPartition, currentOffset) ->
- {
- int partition = topicPartition.partition();
- isShardOwned[partition] = true;
- this.currentOffset[partition] = currentOffset;
-
- log.info(
- "Partition assigned: {} - loading messages: next={} -> current={}",
- partition,
- nextOffset[partition],
- currentOffset);
-
- consumer.seek(topicPartition, nextOffset[partition]);
- });
-
- consumer.resume(partitions);
- }
-
- @Override
- public void onPartitionsRevoked(Collection<TopicPartition> partitions)
- {
- partitions.forEach(topicPartition ->
- {
- int partition = topicPartition.partition();
- isShardOwned[partition] = false;
- log.info("Partition revoked: {} - next={}", partition, nextOffset[partition]);
- });
- }
-
- @Override
- public void onPartitionsLost(Collection<TopicPartition> partitions)
- {
- log.warn("Lost partitions: {}, partitions");
- // TODO: Muss auf den Verlust anders reagiert werden?
- onPartitionsRevoked(partitions);
- }
-
- @Override
- public void run()
- {
- consumer.subscribe(List.of(topic), this);
-
- running = true;
-
- while (running)
- {
- try
- {
- ConsumerRecords<String, AbstractMessageTo> records = consumer.poll(Duration.ofMinutes(5));
- log.info("Fetched {} messages", records.count());
-
- if (loadInProgress)
- {
- loadChatRoom(records);
-
- if (isLoadingCompleted())
- {
- log.info("Loading of messages completed! Pausing all owned partitions...");
- pauseAllOwnedPartions();
- log.info("Resuming normal operations...");
- loadInProgress = false;
- }
- }
- else
- {
- if (!records.isEmpty())
- {
- throw new IllegalStateException("All owned partitions should be paused, when no load is in progress!");
- }
- }
- }
- catch (WakeupException e)
- {
- log.info("Received WakeupException, exiting!");
- running = false;
- }
- }
-
- log.info("Exiting normally");
- }
-
- void loadChatRoom(ConsumerRecords<String, AbstractMessageTo> records)
- {
- for (ConsumerRecord<String, AbstractMessageTo> record : records)
- {
- UUID chatRoomId = UUID.fromString(record.key());
-
- switch (record.value().getType())
- {
- case CREATE_CHATROOM_COMMAND:
- createChatRoom(
- chatRoomId,
- (CreateChatRoomCommandTo) record.value(),
- record.partition());
- break;
-
- case CHATMESSAGE_EVENT:
- Instant instant = Instant.ofEpochSecond(record.timestamp());
- LocalDateTime timestamp = LocalDateTime.ofInstant(instant, zoneId);
- loadChatMessage(
- chatRoomId,
- timestamp,
- record.offset(),
- (ChatMessageReceivedEventTo) record.value(),
- record.partition());
- break;
-
- default:
- log.debug(
- "Ignoring message for chat-room {} with offset {}: {}",
- chatRoomId,
- record.offset(),
- record.value());
- }
-
- nextOffset[record.partition()] = record.offset() + 1;
- }
- }
-
- void createChatRoom(
- UUID chatRoomId,
- CreateChatRoomCommandTo createChatRoomRequestTo,
- int partition)
- {
- log.info("Loading ChatRoom {} with buffer-size {}", chatRoomId, bufferSize);
- KafkaChatRoomService service = new KafkaChatRoomService(this, chatRoomId);
- ChatRoom chatRoom = new ChatRoom(
- chatRoomId,
- createChatRoomRequestTo.getName(),
- partition,
- clock,
- service,
- bufferSize);
- putChatRoom(chatRoom);
- }
-
-
- void createChatRoom(ChatRoomInfo chatRoomInfo)
- {
- UUID id = chatRoomInfo.getId();
- String name = chatRoomInfo.getName();
- int shard = chatRoomInfo.getShard();
- log.info("Creating ChatRoom {} with buffer-size {}", id, bufferSize);
- KafkaChatRoomService service = new KafkaChatRoomService(this, id);
- ChatRoom chatRoom = new ChatRoom(id, name, shard, clock, service, bufferSize);
- putChatRoom(chatRoom);
- }
-
- void loadChatMessage(
- UUID chatRoomId,
- LocalDateTime timestamp,
- long offset,
- ChatMessageReceivedEventTo chatMessageTo,
- int partition)
- {
- Message.MessageKey key = Message.MessageKey.of(chatMessageTo.getUser(), chatMessageTo.getId());
- Message message = new Message(key, offset, timestamp, chatMessageTo.getText());
-
- ChatRoom chatRoom = chatrooms[partition].get(chatRoomId);
- KafkaChatRoomService kafkaChatRoomService =
- (KafkaChatRoomService) chatRoom.getChatRoomService();
-
- kafkaChatRoomService.persistMessage(message);
- }
-
- boolean isLoadingCompleted()
- {
- return IntStream
- .range(0, numShards)
- .filter(shard -> isShardOwned[shard])
- .allMatch(shard -> nextOffset[shard] >= currentOffset[shard]);
- }
-
- void pauseAllOwnedPartions()
- {
- consumer.pause(IntStream
- .range(0, numShards)
- .filter(shard -> isShardOwned[shard])
- .mapToObj(shard -> new TopicPartition(topic, shard))
- .toList());
- }
-
-
- private void putChatRoom(ChatRoom chatRoom)
- {
- Integer partition = chatRoom.getShard();
- UUID chatRoomId = chatRoom.getId();
- if (chatrooms[partition].containsKey(chatRoomId))
- {
- log.warn("Ignoring existing chat-room: " + chatRoom);
- }
- else
- {
- log.info(
- "Adding new chat-room to partition {}: {}",
- partition,
- chatRoom);
-
- chatrooms[partition].put(chatRoomId, chatRoom);
- }
- }
-
- Mono<ChatRoom> getChatRoom(int shard, UUID id)
- {
- return Mono.justOrEmpty(chatrooms[shard].get(id));
- }
-
- Flux<ChatRoom> getChatRooms()
- {
- return Flux
- .fromStream(IntStream.range(0, numShards).mapToObj(i -> Integer.valueOf(i)))
- .filter(shard -> isShardOwned[shard])
- .flatMap(shard -> Flux.fromIterable(chatrooms[shard].values()));
- }
-}
--- /dev/null
+package de.juplo.kafka.chat.backend.persistence.kafka;
+
+import de.juplo.kafka.chat.backend.domain.ChatRoom;
+import de.juplo.kafka.chat.backend.domain.ChatRoomInfo;
+import de.juplo.kafka.chat.backend.domain.Message;
+import lombok.Getter;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.kafka.clients.consumer.Consumer;
+import org.apache.kafka.clients.consumer.ConsumerRebalanceListener;
+import org.apache.kafka.clients.consumer.ConsumerRecord;
+import org.apache.kafka.clients.consumer.ConsumerRecords;
+import org.apache.kafka.clients.producer.Producer;
+import org.apache.kafka.clients.producer.ProducerRecord;
+import org.apache.kafka.common.TopicPartition;
+import org.apache.kafka.common.errors.WakeupException;
+import reactor.core.publisher.Flux;
+import reactor.core.publisher.Mono;
+
+import java.time.*;
+import java.util.*;
+import java.util.stream.IntStream;
+
+
+@Slf4j
+public class ChatRoomChannel implements Runnable, ConsumerRebalanceListener
+{
+ private final String topic;
+ private final Producer<String, AbstractMessageTo> producer;
+ private final Consumer<String, AbstractMessageTo> consumer;
+ private final ZoneId zoneId;
+ private final int numShards;
+ private final int bufferSize;
+ private final Clock clock;
+ private final boolean[] isShardOwned;
+ private final long[] currentOffset;
+ private final long[] nextOffset;
+ private final Map<UUID, ChatRoom>[] chatrooms;
+
+ private boolean running;
+ @Getter
+ private volatile boolean loadInProgress;
+
+
+ public ChatRoomChannel(
+ String topic,
+ Producer<String, AbstractMessageTo> producer,
+ Consumer<String, AbstractMessageTo> consumer,
+ ZoneId zoneId,
+ int numShards,
+ int bufferSize,
+ Clock clock)
+ {
+ log.debug(
+ "Creating ChatMessageChannel for topic {} with {} partitions",
+ topic,
+ numShards);
+ this.topic = topic;
+ this.consumer = consumer;
+ this.producer = producer;
+ this.zoneId = zoneId;
+ this.numShards = numShards;
+ this.bufferSize = bufferSize;
+ this.clock = clock;
+ this.isShardOwned = new boolean[numShards];
+ this.currentOffset = new long[numShards];
+ this.nextOffset = new long[numShards];
+ this.chatrooms = new Map[numShards];
+ IntStream
+ .range(0, numShards)
+ .forEach(shard -> this.chatrooms[shard] = new HashMap<>());
+ }
+
+
+
+ Mono<ChatRoomInfo> sendCreateChatRoomRequest(
+ UUID chatRoomId,
+ String name)
+ {
+ CreateChatRoomCommandTo createChatRoomRequestTo = CreateChatRoomCommandTo.of(name);
+ return Mono.create(sink ->
+ {
+ ProducerRecord<String, AbstractMessageTo> record =
+ new ProducerRecord<>(
+ topic,
+ chatRoomId.toString(),
+ createChatRoomRequestTo);
+
+ producer.send(record, ((metadata, exception) ->
+ {
+ if (metadata != null)
+ {
+ log.info("Successfully send chreate-request for chat room: {}", createChatRoomRequestTo);
+ ChatRoomInfo chatRoomInfo = new ChatRoomInfo(chatRoomId, name, record.partition());
+ createChatRoom(chatRoomInfo);
+ sink.success(chatRoomInfo);
+ }
+ else
+ {
+ // On send-failure
+ log.error(
+ "Could not send create-request for chat room (id={}, name={}): {}",
+ chatRoomId,
+ name,
+ exception);
+ sink.error(exception);
+ }
+ }));
+ });
+ }
+
+ Mono<Message> sendChatMessage(
+ UUID chatRoomId,
+ Message.MessageKey key,
+ LocalDateTime timestamp,
+ String text)
+ {
+ ZonedDateTime zdt = ZonedDateTime.of(timestamp, zoneId);
+ return Mono.create(sink ->
+ {
+ ProducerRecord<String, AbstractMessageTo> record =
+ new ProducerRecord<>(
+ topic,
+ null,
+ zdt.toEpochSecond(),
+ chatRoomId.toString(),
+ ChatMessageReceivedEventTo.of(key.getUsername(), key.getMessageId(), text));
+
+ producer.send(record, ((metadata, exception) ->
+ {
+ if (metadata != null)
+ {
+ // On successful send
+ Message message = new Message(key, metadata.offset(), timestamp, text);
+ log.info("Successfully send message {}", message);
+ sink.success(message);
+ }
+ else
+ {
+ // On send-failure
+ log.error(
+ "Could not send message for chat-room={}, key={}, timestamp={}, text={}: {}",
+ chatRoomId,
+ key,
+ timestamp,
+ text,
+ exception);
+ sink.error(exception);
+ }
+ }));
+ });
+ }
+
+ @Override
+ public void onPartitionsAssigned(Collection<TopicPartition> partitions)
+ {
+ log.info("Newly assigned partitions! Pausing normal operations...");
+ loadInProgress = true;
+
+ consumer.endOffsets(partitions).forEach((topicPartition, currentOffset) ->
+ {
+ int partition = topicPartition.partition();
+ isShardOwned[partition] = true;
+ this.currentOffset[partition] = currentOffset;
+
+ log.info(
+ "Partition assigned: {} - loading messages: next={} -> current={}",
+ partition,
+ nextOffset[partition],
+ currentOffset);
+
+ consumer.seek(topicPartition, nextOffset[partition]);
+ });
+
+ consumer.resume(partitions);
+ }
+
+ @Override
+ public void onPartitionsRevoked(Collection<TopicPartition> partitions)
+ {
+ partitions.forEach(topicPartition ->
+ {
+ int partition = topicPartition.partition();
+ isShardOwned[partition] = false;
+ log.info("Partition revoked: {} - next={}", partition, nextOffset[partition]);
+ });
+ }
+
+ @Override
+ public void onPartitionsLost(Collection<TopicPartition> partitions)
+ {
+ log.warn("Lost partitions: {}, partitions");
+ // TODO: Muss auf den Verlust anders reagiert werden?
+ onPartitionsRevoked(partitions);
+ }
+
+ @Override
+ public void run()
+ {
+ consumer.subscribe(List.of(topic), this);
+
+ running = true;
+
+ while (running)
+ {
+ try
+ {
+ ConsumerRecords<String, AbstractMessageTo> records = consumer.poll(Duration.ofMinutes(5));
+ log.info("Fetched {} messages", records.count());
+
+ if (loadInProgress)
+ {
+ loadChatRoom(records);
+
+ if (isLoadingCompleted())
+ {
+ log.info("Loading of messages completed! Pausing all owned partitions...");
+ pauseAllOwnedPartions();
+ log.info("Resuming normal operations...");
+ loadInProgress = false;
+ }
+ }
+ else
+ {
+ if (!records.isEmpty())
+ {
+ throw new IllegalStateException("All owned partitions should be paused, when no load is in progress!");
+ }
+ }
+ }
+ catch (WakeupException e)
+ {
+ log.info("Received WakeupException, exiting!");
+ running = false;
+ }
+ }
+
+ log.info("Exiting normally");
+ }
+
+ void loadChatRoom(ConsumerRecords<String, AbstractMessageTo> records)
+ {
+ for (ConsumerRecord<String, AbstractMessageTo> record : records)
+ {
+ UUID chatRoomId = UUID.fromString(record.key());
+
+ switch (record.value().getType())
+ {
+ case CREATE_CHATROOM_COMMAND:
+ createChatRoom(
+ chatRoomId,
+ (CreateChatRoomCommandTo) record.value(),
+ record.partition());
+ break;
+
+ case CHATMESSAGE_EVENT:
+ Instant instant = Instant.ofEpochSecond(record.timestamp());
+ LocalDateTime timestamp = LocalDateTime.ofInstant(instant, zoneId);
+ loadChatMessage(
+ chatRoomId,
+ timestamp,
+ record.offset(),
+ (ChatMessageReceivedEventTo) record.value(),
+ record.partition());
+ break;
+
+ default:
+ log.debug(
+ "Ignoring message for chat-room {} with offset {}: {}",
+ chatRoomId,
+ record.offset(),
+ record.value());
+ }
+
+ nextOffset[record.partition()] = record.offset() + 1;
+ }
+ }
+
+ void createChatRoom(
+ UUID chatRoomId,
+ CreateChatRoomCommandTo createChatRoomRequestTo,
+ int partition)
+ {
+ log.info("Loading ChatRoom {} with buffer-size {}", chatRoomId, bufferSize);
+ KafkaChatRoomService service = new KafkaChatRoomService(this, chatRoomId);
+ ChatRoom chatRoom = new ChatRoom(
+ chatRoomId,
+ createChatRoomRequestTo.getName(),
+ partition,
+ clock,
+ service,
+ bufferSize);
+ putChatRoom(chatRoom);
+ }
+
+
+ void createChatRoom(ChatRoomInfo chatRoomInfo)
+ {
+ UUID id = chatRoomInfo.getId();
+ String name = chatRoomInfo.getName();
+ int shard = chatRoomInfo.getShard();
+ log.info("Creating ChatRoom {} with buffer-size {}", id, bufferSize);
+ KafkaChatRoomService service = new KafkaChatRoomService(this, id);
+ ChatRoom chatRoom = new ChatRoom(id, name, shard, clock, service, bufferSize);
+ putChatRoom(chatRoom);
+ }
+
+ void loadChatMessage(
+ UUID chatRoomId,
+ LocalDateTime timestamp,
+ long offset,
+ ChatMessageReceivedEventTo chatMessageTo,
+ int partition)
+ {
+ Message.MessageKey key = Message.MessageKey.of(chatMessageTo.getUser(), chatMessageTo.getId());
+ Message message = new Message(key, offset, timestamp, chatMessageTo.getText());
+
+ ChatRoom chatRoom = chatrooms[partition].get(chatRoomId);
+ KafkaChatRoomService kafkaChatRoomService =
+ (KafkaChatRoomService) chatRoom.getChatRoomService();
+
+ kafkaChatRoomService.persistMessage(message);
+ }
+
+ boolean isLoadingCompleted()
+ {
+ return IntStream
+ .range(0, numShards)
+ .filter(shard -> isShardOwned[shard])
+ .allMatch(shard -> nextOffset[shard] >= currentOffset[shard]);
+ }
+
+ void pauseAllOwnedPartions()
+ {
+ consumer.pause(IntStream
+ .range(0, numShards)
+ .filter(shard -> isShardOwned[shard])
+ .mapToObj(shard -> new TopicPartition(topic, shard))
+ .toList());
+ }
+
+
+ private void putChatRoom(ChatRoom chatRoom)
+ {
+ Integer partition = chatRoom.getShard();
+ UUID chatRoomId = chatRoom.getId();
+ if (chatrooms[partition].containsKey(chatRoomId))
+ {
+ log.warn("Ignoring existing chat-room: " + chatRoom);
+ }
+ else
+ {
+ log.info(
+ "Adding new chat-room to partition {}: {}",
+ partition,
+ chatRoom);
+
+ chatrooms[partition].put(chatRoomId, chatRoom);
+ }
+ }
+
+ Mono<ChatRoom> getChatRoom(int shard, UUID id)
+ {
+ return Mono.justOrEmpty(chatrooms[shard].get(id));
+ }
+
+ Flux<ChatRoom> getChatRooms()
+ {
+ return Flux
+ .fromStream(IntStream.range(0, numShards).mapToObj(i -> Integer.valueOf(i)))
+ .filter(shard -> isShardOwned[shard])
+ .flatMap(shard -> Flux.fromIterable(chatrooms[shard].values()));
+ }
+}
import de.juplo.kafka.chat.backend.domain.ChatHome;
import de.juplo.kafka.chat.backend.domain.ChatRoom;
-import de.juplo.kafka.chat.backend.domain.ChatRoomInfo;
-import de.juplo.kafka.chat.backend.domain.ShardingStrategy;
import de.juplo.kafka.chat.backend.persistence.KafkaLikeShardingStrategy;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
public class KafkaChatHome implements ChatHome
{
private final KafkaLikeShardingStrategy shardingStrategy;
- private final ChatMessageChannel chatMessageChanel;
+ private final ChatRoomChannel chatMessageChanel;
@Override
@Slf4j
public class KafkaChatRoomFactory implements ChatRoomFactory
{
- private final ChatMessageChannel chatMessageChannel;
+ private final ChatRoomChannel chatRoomChannel;
@Override
public Mono<ChatRoomInfo> createChatRoom(UUID id, String name)
{
log.info("Sending create-request for chat rooom: id={}, name={}");
- return chatMessageChannel.sendCreateChatRoomRequest(id, name);
+ return chatRoomChannel.sendCreateChatRoomRequest(id, name);
}
}
@Slf4j
public class KafkaChatRoomService implements ChatRoomService
{
- private final ChatMessageChannel chatMessageChannel;
+ private final ChatRoomChannel chatRoomChannel;
private final UUID chatRoomId;
private final LinkedHashMap<Message.MessageKey, Message> messages = new LinkedHashMap<>();
LocalDateTime timestamp,
String text)
{
- return chatMessageChannel
+ return chatRoomChannel
.sendChatMessage(chatRoomId, key, timestamp, text)
.doOnSuccess(message -> persistMessage(message));
}
ConfigurableApplicationContext context;
@Autowired
- ChatMessageChannel chatMessageChannel;
+ ChatRoomChannel chatRoomChannel;
@Autowired
Consumer<String, AbstractMessageTo> chatMessageChannelConsumer;
{
log.info("Starting the consumer for the ChatMessageChannel");
chatMessageChannelConsumerJob = taskExecutor
- .submitCompletable(chatMessageChannel)
+ .submitCompletable(chatRoomChannel)
.exceptionally(e ->
{
log.error("The consumer for the ChatMessageChannel exited abnormally!", e);
@Bean
ChatHome kafkaChatHome(
KafkaLikeShardingStrategy shardingStrategy,
- ChatMessageChannel chatMessageChannel)
+ ChatRoomChannel chatRoomChannel)
{
- return new KafkaChatHome(shardingStrategy, chatMessageChannel);
+ return new KafkaChatHome(shardingStrategy, chatRoomChannel);
}
@Bean
- KafkaChatRoomFactory chatRoomFactory(ChatMessageChannel chatMessageChannel)
+ KafkaChatRoomFactory chatRoomFactory(ChatRoomChannel chatRoomChannel)
{
- return new KafkaChatRoomFactory(chatMessageChannel);
+ return new KafkaChatRoomFactory(chatRoomChannel);
}
@Bean
}
@Bean
- ChatMessageChannel chatMessageChannel(
+ ChatRoomChannel chatMessageChannel(
ChatBackendProperties properties,
Producer<String, AbstractMessageTo> chatMessageChannelProducer,
Consumer<String, AbstractMessageTo> chatMessageChannelConsumer,
ZoneId zoneId,
Clock clock)
{
- return new ChatMessageChannel(
+ return new ChatRoomChannel(
properties.getKafka().getMessageChannelTopic(),
chatMessageChannelProducer,
chatMessageChannelConsumer,
projects / demos / kafka / chat / commitdiff