package de.juplo.kafka.chat.backend;
import de.juplo.kafka.chat.backend.domain.ChatHome;
-import com.fasterxml.jackson.databind.ObjectMapper;
+import de.juplo.kafka.chat.backend.domain.ChatHomeFactory;
import de.juplo.kafka.chat.backend.domain.ChatHomeService;
-import de.juplo.kafka.chat.backend.persistence.inmemory.InMemoryChatHomeService;
-import de.juplo.kafka.chat.backend.persistence.storage.files.FilesStorageStrategy;
import de.juplo.kafka.chat.backend.persistence.StorageStrategy;
-import de.juplo.kafka.chat.backend.persistence.inmemory.InMemoryChatRoomService;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
-import org.springframework.data.mongodb.repository.config.EnableReactiveMongoRepositories;
-import java.nio.file.Paths;
import java.time.Clock;
@Configuration
@EnableConfigurationProperties(ChatBackendProperties.class)
-@EnableReactiveMongoRepositories
public class ChatBackendConfiguration
{
@Bean
- public ChatHome chatHome(ChatHomeService chatHomeService)
- {
- return new ChatHome(chatHomeService);
- }
-
- @Bean
- InMemoryChatHomeService chatHomeService(
- StorageStrategy storageStrategy,
- Clock clock,
- ChatBackendProperties properties)
- {
- return new InMemoryChatHomeService(
- storageStrategy.read(),
- clock,
- properties.getChatroomBufferSize());
- }
-
- @Bean
- public StorageStrategy storageStrategy(
+ ChatHome[] chatHomes(
+ ChatHomeFactory factory,
ChatBackendProperties properties,
- Clock clock,
- ObjectMapper mapper)
+ StorageStrategy storageStrategy)
{
- return new FilesStorageStrategy(
- Paths.get(properties.getStorageDirectory()),
- clock,
- properties.getChatroomBufferSize(),
- messageFlux -> new InMemoryChatRoomService(messageFlux),
- mapper);
+ ChatHome[] chatHomes = new ChatHome[properties.getInmemory().getNumShards()];
+ storageStrategy
+ .read()
+ .subscribe(chatRoom ->
+ {
+ int shard = chatRoom.getShard();
+ if (chatHomes[shard] == null)
+ chatHomes[shard] = factory.createChatHome(shard);
+ });
+ return chatHomes;
}
@Bean
- public Clock clock()
+ Clock clock()
{
return Clock.systemDefaultZone();
}