package de.juplo.kafka.chat.backend.domain;
+import de.juplo.kafka.chat.backend.domain.exceptions.InvalidUsernameException;
+import de.juplo.kafka.chat.backend.domain.exceptions.MessageMutationException;
import lombok.extern.slf4j.Slf4j;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
@Slf4j
-public class ChatRoom
+public class ChatRoomData
{
public final static Pattern VALID_USER = Pattern.compile("^[a-z0-9-]{2,}$");
+ private final ChatMessageService service;
private final Clock clock;
- private final ChatRoomService service;
- private final int bufferSize;
+ private final int historyLimit;
private Sinks.Many<Message> sink;
- public ChatRoom(
+ public ChatRoomData(
Clock clock,
- ChatRoomService service,
- int bufferSize)
+ ChatMessageService service,
+ int historyLimit)
{
- log.info("Created ChatRoom with buffer-size {}", bufferSize);
+ log.info("Created ChatRoom with history-limit {}", historyLimit);
this.clock = clock;
this.service = service;
- this.bufferSize = bufferSize;
+ this.historyLimit = historyLimit;
// @RequiredArgsConstructor unfortunately not possible, because
- // the `bufferSize` is not set, if `createSink()` is called
+ // the `historyLimit` is not set, if `createSink()` is called
// from the variable declaration!
this.sink = createSink();
}
}
- public ChatRoomService getChatRoomService()
+ public ChatMessageService getChatRoomService()
{
return service;
}
return service.getMessages(first, last);
}
+ public void close()
+ {
+ log.info("{} is being closed", service.getChatRoomId());
+ sink.emitComplete(Sinks.EmitFailureHandler.FAIL_FAST);
+ }
+
private Sinks.Many<Message> createSink()
{
return Sinks
.many()
- .multicast()
- .onBackpressureBuffer(bufferSize);
+ .replay()
+ .limit(historyLimit);
}
}