X-Git-Url: http://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fchat%2Fbackend%2Fpersistence%2Finmemory%2FInMemoryServicesConfiguration.java;h=cb1a0703b565318f7efb453c30368ccc925c18bc;hb=e1ad66ecb1dc386bb357e364a05b071ec45920e1;hp=e40d950f576cd1d8bd6705d043ac222c65d3e1ea;hpb=3526be7c01fa286f4253c96fd7f6c35abf3694ef;p=demos%2Fkafka%2Fchat diff --git a/src/main/java/de/juplo/kafka/chat/backend/persistence/inmemory/InMemoryServicesConfiguration.java b/src/main/java/de/juplo/kafka/chat/backend/persistence/inmemory/InMemoryServicesConfiguration.java index e40d950f..cb1a0703 100644 --- a/src/main/java/de/juplo/kafka/chat/backend/persistence/inmemory/InMemoryServicesConfiguration.java +++ b/src/main/java/de/juplo/kafka/chat/backend/persistence/inmemory/InMemoryServicesConfiguration.java @@ -1,8 +1,9 @@ package de.juplo.kafka.chat.backend.persistence.inmemory; import de.juplo.kafka.chat.backend.ChatBackendProperties; -import de.juplo.kafka.chat.backend.api.KafkaLikeShardingStrategy; -import de.juplo.kafka.chat.backend.api.ShardingStrategy; +import de.juplo.kafka.chat.backend.ChatBackendProperties.ShardingStrategyType; +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.persistence.StorageStrategy; import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty; @@ -21,21 +22,9 @@ import java.time.Clock; public class InMemoryServicesConfiguration { @Bean - ChatHome[] chatHomes( - ChatBackendProperties properties, - InMemoryChatHomeService chatHomeService, - StorageStrategy storageStrategy) + ChatHome chatHome(InMemoryChatHomeService chatHomeService) { - ChatHome[] chatHomes = new ChatHome[properties.getInmemory().getNumShards()]; - storageStrategy - .read() - .subscribe(chatRoom -> - { - int shard = chatRoom.getShard(); - if (chatHomes[shard] == null) - chatHomes[shard] = new ChatHome(chatHomeService, shard); - }); - return chatHomes; + return new ChatHome(chatHomeService); } @Bean @@ -43,19 +32,45 @@ public class InMemoryServicesConfiguration ChatBackendProperties properties, StorageStrategy storageStrategy) { + ShardingStrategyType sharding = + properties.getInmemory().getShardingStrategy(); + + int numShards; + int[] ownedShards; + ShardingStrategy shardingStrategy; + + switch (sharding) + { + case none: + numShards = 1; + ownedShards = new int[] { 0 }; + shardingStrategy = id -> 0; + break; + case kafkalike: + numShards = properties.getInmemory().getNumShards(); + ownedShards = properties.getInmemory().getOwnedShards(); + shardingStrategy = new KafkaLikeShardingStrategy(numShards); + break; + default: + throw new IllegalArgumentException("Unknown sharding strategy: " + sharding); + } + return new InMemoryChatHomeService( - properties.getInmemory().getNumShards(), - properties.getInmemory().getOwnedShards(), + numShards, + ownedShards, + shardingStrategy, storageStrategy.read()); } @Bean InMemoryChatRoomFactory chatRoomFactory( + InMemoryChatHomeService service, ShardingStrategy strategy, Clock clock, ChatBackendProperties properties) { return new InMemoryChatRoomFactory( + service, strategy, clock, properties.getChatroomBufferSize());