--- /dev/null
+package de.juplo.kafka.chat.backend.domain;
+
+import reactor.core.publisher.Flux;
+import reactor.core.publisher.Mono;
+
+import java.time.LocalDateTime;
+
+
+public interface ChatroomService
+{
+ Mono<Message> persistMessage(
+ Message.MessageKey key,
+ LocalDateTime timestamp,
+ String text);
+
+ Mono<Message> getMessage(Message.MessageKey key);
+
+ Flux<Message> getMessages(long first, long last);
+}
+++ /dev/null
-package de.juplo.kafka.chat.backend.domain;
-
-import reactor.core.publisher.Flux;
-import reactor.core.publisher.Mono;
-
-import java.time.LocalDateTime;
-
-
-public interface ChatroomService
-{
- Mono<Message> persistMessage(
- Message.MessageKey key,
- LocalDateTime timestamp,
- String text);
-
- Mono<Message> getMessage(Message.MessageKey key);
-
- Flux<Message> getMessages(long first, long last);
-}
--- /dev/null
+package de.juplo.kafka.chat.backend.persistence;
+
+import de.juplo.kafka.chat.backend.domain.Message;
+import de.juplo.kafka.chat.backend.domain.MessageMutationException;
+import de.juplo.kafka.chat.backend.domain.ChatroomService;
+import lombok.extern.slf4j.Slf4j;
+import reactor.core.publisher.Flux;
+import reactor.core.publisher.Mono;
+
+import java.time.LocalDateTime;
+import java.util.LinkedHashMap;
+
+
+@Slf4j
+public class InMemoryChatroomService implements ChatroomService
+{
+ private final LinkedHashMap<Message.MessageKey, Message> messages;
+
+
+ public InMemoryChatroomService(LinkedHashMap<Message.MessageKey, Message> messages)
+ {
+ this.messages = messages;
+ }
+
+ public InMemoryChatroomService(Flux<Message> messageFlux)
+ {
+ log.debug("Creating InMemoryChatroomService");
+ messages = new LinkedHashMap<>();
+ messageFlux.subscribe(message -> persistMessage(message));
+ }
+
+ @Override
+ public Mono<Message> persistMessage(
+ Message.MessageKey key,
+ LocalDateTime timestamp,
+ String text)
+ {
+ Message message = new Message(key, (long)messages.size(), timestamp, text);
+ return Mono.justOrEmpty(persistMessage(message));
+ }
+
+ private Message persistMessage(Message message)
+ {
+ Message.MessageKey key = message.getKey();
+ Message existing = messages.get(key);
+ if (existing != null)
+ {
+ log.info("Message with key {} already exists; {}", key, existing);
+ if (!message.equals(existing))
+ throw new MessageMutationException(message, existing);
+ return null;
+ }
+
+ messages.put(key, message);
+ return message;
+ }
+
+ @Override
+ public Mono<Message> getMessage(Message.MessageKey key)
+ {
+ return Mono.fromSupplier(() -> messages.get(key));
+ }
+
+ @Override
+ public Flux<Message> getMessages(long first, long last)
+ {
+ return Flux.fromStream(messages
+ .values()
+ .stream()
+ .filter(message ->
+ {
+ long serial = message.getSerialNumber();
+ return serial >= first && serial <= last;
+ }));
+ }
+}
+++ /dev/null
-package de.juplo.kafka.chat.backend.persistence;
-
-import de.juplo.kafka.chat.backend.domain.Message;
-import de.juplo.kafka.chat.backend.domain.MessageMutationException;
-import de.juplo.kafka.chat.backend.domain.ChatroomService;
-import lombok.extern.slf4j.Slf4j;
-import reactor.core.publisher.Flux;
-import reactor.core.publisher.Mono;
-
-import java.time.LocalDateTime;
-import java.util.LinkedHashMap;
-
-
-@Slf4j
-public class InMemoryChatroomService implements ChatroomService
-{
- private final LinkedHashMap<Message.MessageKey, Message> messages;
-
-
- public InMemoryChatroomService(LinkedHashMap<Message.MessageKey, Message> messages)
- {
- this.messages = messages;
- }
-
- public InMemoryChatroomService(Flux<Message> messageFlux)
- {
- log.debug("Creating InMemoryChatroomService");
- messages = new LinkedHashMap<>();
- messageFlux.subscribe(message -> persistMessage(message));
- }
-
- @Override
- public Mono<Message> persistMessage(
- Message.MessageKey key,
- LocalDateTime timestamp,
- String text)
- {
- Message message = new Message(key, (long)messages.size(), timestamp, text);
- return Mono.justOrEmpty(persistMessage(message));
- }
-
- private Message persistMessage(Message message)
- {
- Message.MessageKey key = message.getKey();
- Message existing = messages.get(key);
- if (existing != null)
- {
- log.info("Message with key {} already exists; {}", key, existing);
- if (!message.equals(existing))
- throw new MessageMutationException(message, existing);
- return null;
- }
-
- messages.put(key, message);
- return message;
- }
-
- @Override
- public Mono<Message> getMessage(Message.MessageKey key)
- {
- return Mono.fromSupplier(() -> messages.get(key));
- }
-
- @Override
- public Flux<Message> getMessages(long first, long last)
- {
- return Flux.fromStream(messages
- .values()
- .stream()
- .filter(message ->
- {
- long serial = message.getSerialNumber();
- return serial >= first && serial <= last;
- }));
- }
-}