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.RecordDeserializationException;
import org.apache.kafka.common.errors.WakeupException;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
public class ChatMessageChannel implements Runnable, ConsumerRebalanceListener
{
private final String topic;
- private final Consumer<String, MessageTo> consumer;
private final Producer<String, MessageTo> producer;
+ private final Consumer<String, MessageTo> consumer;
private final ZoneId zoneId;
private final int numShards;
private final boolean[] isShardOwned;
public ChatMessageChannel(
String topic,
- Consumer<String, MessageTo> consumer,
Producer<String, MessageTo> producer,
+ Consumer<String, MessageTo> consumer,
ZoneId zoneId,
int numShards)
{
return Mono.justOrEmpty(chatrooms[shard].get(id));
}
- Flux<ChatRoom> getChatRooms(int shard)
+ Flux<ChatRoom> getChatRooms()
{
- return Flux.fromStream(chatrooms[shard].values().stream());
+ return Flux.fromStream(IntStream
+ .range(0, numShards)
+ .filter(shard -> isShardOwned[shard])
+ .mapToObj(shard -> Integer.valueOf(shard))
+ .flatMap(shard -> chatrooms[shard].values().stream()));
}
}