import de.juplo.kafka.chat.backend.ChatBackendProperties;
import de.juplo.kafka.chat.backend.ChatBackendProperties.ShardingStrategyType;
-import de.juplo.kafka.chat.backend.domain.ShardedChatHome;
-import de.juplo.kafka.chat.backend.persistence.KafkaLikeShardingStrategy;
-import de.juplo.kafka.chat.backend.domain.ShardingStrategy;
import de.juplo.kafka.chat.backend.domain.ChatHome;
-import de.juplo.kafka.chat.backend.domain.SimpleChatHome;
import de.juplo.kafka.chat.backend.persistence.StorageStrategy;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import java.time.Clock;
+import java.util.stream.IntStream;
@ConditionalOnProperty(
name = "sharding-strategy",
havingValue = "none",
matchIfMissing = true)
- ChatHome noneShardingChatHome(InMemoryChatHomeService chatHomeService)
+ ChatHome noneShardingChatHome()
{
- return new SimpleChatHome(chatHomeService);
+ return new SimpleChatHome();
}
@Bean
havingValue = "kafkalike")
ChatHome kafkalikeShardingChatHome(
ChatBackendProperties properties,
- InMemoryChatHomeService chatHomeService,
- StorageStrategy storageStrategy)
+ InMemoryChatHomeService chatHomeService)
{
int numShards = properties.getInmemory().getNumShards();
SimpleChatHome[] chatHomes = new SimpleChatHome[numShards];
- storageStrategy
- .read()
- .subscribe(chatRoom ->
- {
- int shard = chatRoom.getShard();
- if (chatHomes[shard] == null)
- chatHomes[shard] = new SimpleChatHome(chatHomeService, shard);
- });
+ IntStream
+ .of(properties.getInmemory().getOwnedShards())
+ .forEach(shard -> chatHomes[shard] = new SimpleChatHome(chatHomeService, shard));
ShardingStrategy strategy = new KafkaLikeShardingStrategy(numShards);
return new ShardedChatHome(chatHomes, strategy);
}
@Bean
InMemoryChatRoomFactory chatRoomFactory(
+ InMemoryChatHomeService service,
ShardingStrategy strategy,
Clock clock,
ChatBackendProperties properties)
{
return new InMemoryChatRoomFactory(
+ service,
strategy,
clock,
properties.getChatroomBufferSize());