X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fchat%2Fbackend%2Fimplementation%2Fkafka%2FInfoChannel.java;h=cf4d03c280225405aafe47ff1fd2b023454a6c76;hb=242f7661171468a4898d6c36de367136e75b8bb9;hp=2b986296db80e8062f01896c8e2d6e7853e8fb40;hpb=6045ac97a24bef487d0ba09d02a5dc49c0a25af4;p=demos%2Fkafka%2Fchat

diff --git a/src/main/java/de/juplo/kafka/chat/backend/implementation/kafka/InfoChannel.java b/src/main/java/de/juplo/kafka/chat/backend/implementation/kafka/InfoChannel.java
index 2b986296..cf4d03c2 100644
--- a/src/main/java/de/juplo/kafka/chat/backend/implementation/kafka/InfoChannel.java
+++ b/src/main/java/de/juplo/kafka/chat/backend/implementation/kafka/InfoChannel.java
@@ -111,68 +111,68 @@ public class InfoChannel implements Runnable
     });
   }
 
-  Mono<RecordMetadata> sendShardAssignedEvent(int shard)
+  void sendShardAssignedEvent(int shard)
   {
     EventShardAssigned to = EventShardAssigned.of(shard, instanceUri);
 
-    return Mono.create(sink ->
-    {
-      ProducerRecord<String, AbstractMessageTo> record =
-          new ProducerRecord<>(
-              topic,
-              Integer.toString(shard),
-              to);
+    ProducerRecord<String, AbstractMessageTo> record =
+        new ProducerRecord<>(
+            topic,
+            Integer.toString(shard),
+            to);
 
-      producer.send(record, ((metadata, exception) ->
+    producer.send(record, ((metadata, exception) ->
+    {
+      if (metadata != null)
       {
-        if (metadata != null)
-        {
-          log.info("Successfully sent shard assigned event for shard: {}", shard);
-          sink.success(metadata);
-        }
-        else
-        {
-          // On send-failure
-          log.error(
-              "Could not send shard assigned event for shard {}: {}",
-              shard,
-              exception);
-          sink.error(exception);
-        }
-      }));
-    });
+        log.info("Successfully sent shard assigned event for shard: {}", shard);
+      }
+      else
+      {
+        // On send-failure
+        log.error(
+            "Could not send shard assigned event for shard {}: {}",
+            shard,
+            exception);
+        // TODO:
+        // Verhalten im Fehlerfall durchdenken!
+        // Z.B.: unsubscribe() und darauf folgendes (re-)subscribe() des
+        // Consumers veranlassen, so dass die nicht öffentlich Bekannte
+        // Zuständigkeit abgegeben und neu zugeordnet wird?
+        // Falls der Weg gegangen wird: Achtung wegen Sticke Partitions!
+      }
+    }));
   }
 
-  Mono<RecordMetadata> sendShardRevokedEvent(int shard)
+  void sendShardRevokedEvent(int shard)
   {
     EventShardRevoked to = EventShardRevoked.of(shard, instanceUri);
 
-    return Mono.create(sink ->
-    {
-      ProducerRecord<String, AbstractMessageTo> record =
-          new ProducerRecord<>(
-              topic,
-              Integer.toString(shard),
-              to);
+    ProducerRecord<String, AbstractMessageTo> record =
+        new ProducerRecord<>(
+            topic,
+            Integer.toString(shard),
+            to);
 
-      producer.send(record, ((metadata, exception) ->
+    producer.send(record, ((metadata, exception) ->
+    {
+      if (metadata != null)
       {
-        if (metadata != null)
-        {
-          log.info("Successfully sent shard revoked event for shard: {}", shard);
-          sink.success(metadata);
-        }
-        else
-        {
-          // On send-failure
-          log.error(
-              "Could not send shard revoked event for shard {}: {}",
-              shard,
-              exception);
-          sink.error(exception);
-        }
-      }));
-    });
+        log.info("Successfully sent shard revoked event for shard: {}", shard);
+      }
+      else
+      {
+        // On send-failure
+        log.error(
+            "Could not send shard revoked event for shard {}: {}",
+            shard,
+            exception);
+        // TODO:
+        // Verhalten im Fehlerfall durchdenken!
+        // Ggf. einfach egal, da die neue zuständige Instanz den
+        // nicht gelöschten Eintrag eh überschreibt?
+      }
+    }));
   }