juplo.de Git - demos/kafka/chat/blob - src/main/java/de/juplo/kafka/chat/backend/domain/exceptions/UnknownChatroomException.java

   1 package de.juplo.kafka.chat.backend.domain.exceptions;
   2
   3 import lombok.Getter;
   4
   5 import java.util.Arrays;
   6 import java.util.Optional;
   7 import java.util.UUID;
   8 import java.util.stream.Collectors;
   9
  10
  11 public class UnknownChatroomException extends IllegalStateException
  12 {
  13   @Getter
  14   private final UUID chatroomId;
  15   @Getter
  16   private final Optional<Integer> shard;
  17   @Getter
  18   private final Optional<int[]> ownedShards;
  19
  20   public UnknownChatroomException(UUID chatroomId)
  21   {
  22     super("Chatroom does not exist: " + chatroomId);
  23     this.chatroomId = chatroomId;
  24     this.shard = Optional.empty();
  25     this.ownedShards = Optional.empty();
  26   }
  27
  28   public UnknownChatroomException(UUID chatroomId, int shard, int[] ownedShards)
  29   {
  30     super(
  31         "Chatroom does not exist (here): " +
  32         chatroomId +
  33         " shard=" +
  34         shard +
  35         ", owned=" +
  36         Arrays
  37             .stream(ownedShards)
  38             .mapToObj(ownedShard -> Integer.toString(ownedShard))
  39             .collect(Collectors.joining(",")));
  40     this.chatroomId = chatroomId;
  41     this.shard = Optional.of(shard);
  42     this.ownedShards = Optional.of(ownedShards);
  43   }
  44 }