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NEU
[demos/kafka/chat]
/
src
/
main
/
java
/
de
/
juplo
/
kafka
/
chat
/
backend
/
persistence
/
kafka
/
ChatMessageChannel.java
diff --git
a/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/ChatMessageChannel.java
b/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/ChatMessageChannel.java
index
bff38ae
..
43ea399
100644
(file)
--- a/
src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/ChatMessageChannel.java
+++ b/
src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/ChatMessageChannel.java
@@
-12,16
+12,12
@@
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.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;
import java.time.*;
import org.apache.kafka.common.errors.WakeupException;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import java.time.*;
-import java.util.Collection;
-import java.util.List;
-import java.util.Map;
-import java.util.UUID;
+import java.util.*;
import java.util.stream.IntStream;
import java.util.stream.IntStream;
@@
-29,8
+25,8
@@
import java.util.stream.IntStream;
public class ChatMessageChannel implements Runnable, ConsumerRebalanceListener
{
private final String topic;
public class ChatMessageChannel implements Runnable, ConsumerRebalanceListener
{
private final String topic;
- private final Consumer<String, MessageTo> consumer;
private final Producer<String, MessageTo> producer;
private final Producer<String, MessageTo> producer;
+ private final Consumer<String, MessageTo> consumer;
private final ZoneId zoneId;
private final int numShards;
private final boolean[] isShardOwned;
private final ZoneId zoneId;
private final int numShards;
private final boolean[] isShardOwned;
@@
-46,8
+42,8
@@
public class ChatMessageChannel implements Runnable, ConsumerRebalanceListener
public ChatMessageChannel(
String topic,
public ChatMessageChannel(
String topic,
- Consumer<String, MessageTo> consumer,
Producer<String, MessageTo> producer,
Producer<String, MessageTo> producer,
+ Consumer<String, MessageTo> consumer,
ZoneId zoneId,
int numShards)
{
ZoneId zoneId,
int numShards)
{
@@
-195,6
+191,8
@@
public class ChatMessageChannel implements Runnable, ConsumerRebalanceListener
running = false;
}
}
running = false;
}
}
+
+ log.info("Exiting normally");
}
void loadMessages(ConsumerRecords<String, MessageTo> records)
}
void loadMessages(ConsumerRecords<String, MessageTo> records)
@@
-270,8
+268,12
@@
public class ChatMessageChannel implements Runnable, ConsumerRebalanceListener
return Mono.justOrEmpty(chatrooms[shard].get(id));
}
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()));
}
}
}
}