X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fchat%2Fbackend%2Fpersistence%2Fkafka%2FChatRoomChannel.java;h=8bbc82ec1befd788d1c9c65a620aeabdf8fc1082;hb=28a98bfdbed0cf56697bece5efbe6eb52f331611;hp=9ea23b13126afa753fc4290e54e7aa6ef7fc40aa;hpb=5c338c58065988f7841c4ab9ee1b193e754da9b9;p=demos%2Fkafka%2Fchat diff --git a/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/ChatRoomChannel.java b/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/ChatRoomChannel.java index 9ea23b13..8bbc82ec 100644 --- a/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/ChatRoomChannel.java +++ b/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/ChatRoomChannel.java @@ -14,18 +14,16 @@ import reactor.core.publisher.Mono; import java.time.*; import java.util.List; -import java.util.Optional; import java.util.UUID; -import java.util.concurrent.Callable; @RequiredArgsConstructor @Slf4j -public class ChatRoomChannel implements Callable> +public class ChatRoomChannel implements Runnable { private final String topic; - private final Producer producer; - private final Consumer consumer; + private final Producer producer; + private final Consumer consumer; private final ShardingStrategy shardingStrategy; private final ChatMessageChannel chatMessageChannel; private final Clock clock; @@ -34,43 +32,8 @@ public class ChatRoomChannel implements Callable> private boolean running; - Mono sendCreateChatRoomRequest( - UUID chatRoomId, - String name) - { - int shard = this.shardingStrategy.selectShard(chatRoomId); - ChatRoomTo chatRoomTo = ChatRoomTo.of(chatRoomId, name, shard); - return Mono.create(sink -> - { - ProducerRecord record = - new ProducerRecord<>( - topic, - shard, - chatRoomTo); - - producer.send(record, ((metadata, exception) -> - { - if (metadata != null) - { - log.info("Successfully send chreate-request for chat room: {}", chatRoomTo); - sink.success(chatRoomTo.toChatRoomInfo()); - } - else - { - // On send-failure - log.error( - "Could not send create-request for chat room (id={}, name={}): {}", - chatRoomId, - name, - exception); - sink.error(exception); - } - })); - }); - } - @Override - public Optional call() + public void run() { consumer.assign(List.of(new TopicPartition(topic, 0))); @@ -80,10 +43,10 @@ public class ChatRoomChannel implements Callable> { try { - ConsumerRecords records = consumer.poll(Duration.ofMinutes(5)); + ConsumerRecords records = consumer.poll(Duration.ofMinutes(5)); log.info("Fetched {} messages", records.count()); - for (ConsumerRecord record : records) + for (ConsumerRecord record : records) { createChatRoom(record.value().toChatRoomInfo()); } @@ -93,15 +56,9 @@ public class ChatRoomChannel implements Callable> log.info("Received WakeupException, exiting!"); running = false; } - catch (Exception e) - { - log.error("Exiting abnormally!"); - return Optional.of(e); - } } log.info("Exiting normally"); - return Optional.empty(); }