WIP:exception

[demos/kafka/chat] / src / main / java / de / juplo / kafka / chat / backend / domain / UnknownChatroomException.java

diff --git a/src/main/java/de/juplo/kafka/chat/backend/domain/UnknownChatroomException.java b/src/main/java/de/juplo/kafka/chat/backend/domain/UnknownChatroomException.java
index 1f70f11..714c220 100644 (file)
--- a/src/main/java/de/juplo/kafka/chat/backend/domain/UnknownChatroomException.java
+++ b/src/main/java/de/juplo/kafka/chat/backend/domain/UnknownChatroomException.java
@@ -2,17 +2,43 @@ package de.juplo.kafka.chat.backend.domain;
 
 import lombok.Getter;
 
+import java.util.Arrays;
+import java.util.Optional;
 import java.util.UUID;
+import java.util.stream.Collectors;
 
 
-public class UnknownChatroomException extends RuntimeException
+public class UnknownChatroomException extends IllegalStateException
 {
   @Getter
   private final UUID chatroomId;
+  @Getter
+  private final Optional<Integer> shard;
+  @Getter
+  private final Optional<int[]> ownedShards;
 
   public UnknownChatroomException(UUID chatroomId)
   {
     super("Chatroom does not exist: " + chatroomId);
     this.chatroomId = chatroomId;
+    this.shard = Optional.empty();
+    this.ownedShards = Optional.empty();
+  }
+
+  public UnknownChatroomException(UUID chatroomId, int shard, int[] ownedShards)
+  {
+    super(
+        "Chatroom does not exist (here): " +
+        chatroomId +
+        " shard=" +
+        shard +
+        ", owned=" +
+        Arrays
+            .stream(ownedShards)
+            .mapToObj(ownedShard -> Integer.toString(ownedShard))
+            .collect(Collectors.joining(",")));
+    this.chatroomId = chatroomId;
+    this.shard = Optional.of(shard);
+    this.ownedShards = Optional.of(ownedShards);
   }
 }