X-Git-Url: http://juplo.de/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fchat%2Fbackend%2Fimplementation%2Fkafka%2FInfoChannel.java;h=f3150ce253985072dcbecd398c35053d36a04bf8;hb=eaec0e92a1887c6b1c0059de1b5db44039dc1dd4;hp=2df7573cc684c27497d4f00b2ab6a62930c308f8;hpb=35bbca17e02ae13905905ea12e58993436c9df9f;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 2df7573c..f3150ce2 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
@@ -32,12 +32,14 @@ public class InfoChannel implements Runnable
   private final String topic;
   private final Producer<String, AbstractMessageTo> producer;
   private final Consumer<String, AbstractMessageTo> consumer;
+  private final Duration pollingInterval;
   private final int numShards;
   private final String[] shardOwners;
   private final long[] currentOffset;
   private final long[] nextOffset;
   private final Map<UUID, ChatRoomInfo> chatRoomInfo;
   private final String instanceUri;
+  private final ChannelMediator channelMediator;
 
   private boolean running;
   @Getter
@@ -48,7 +50,10 @@ public class InfoChannel implements Runnable
     String topic,
     Producer<String, AbstractMessageTo> producer,
     Consumer<String, AbstractMessageTo> infoChannelConsumer,
-    URI instanceUri)
+    Duration pollingInterval,
+    int numShards,
+    URI instanceUri,
+    ChannelMediator channelMediator)
   {
     log.debug(
         "Creating InfoChannel for topic {}",
@@ -58,9 +63,9 @@ public class InfoChannel implements Runnable
     this.producer = producer;
     this.chatRoomInfo = new HashMap<>();
 
-    this.numShards = consumer
-        .partitionsFor(topic)
-        .size();
+    this.pollingInterval = pollingInterval;
+
+    this.numShards = numShards;
     this.shardOwners = new String[numShards];
     this.currentOffset = new long[numShards];
     this.nextOffset = new long[numShards];
@@ -69,6 +74,8 @@ public class InfoChannel implements Runnable
         .forEach(partition -> this.nextOffset[partition] = -1l);
 
     this.instanceUri = instanceUri.toASCIIString();
+
+    this.channelMediator = channelMediator;
   }
 
 
@@ -192,7 +199,7 @@ public class InfoChannel implements Runnable
     {
       try
       {
-        ConsumerRecords<String, AbstractMessageTo> records = consumer.poll(Duration.ofMinutes(1));
+        ConsumerRecords<String, AbstractMessageTo> records = consumer.poll(pollingInterval);
         log.debug("Fetched {} messages", records.count());
         for (ConsumerRecord<String, AbstractMessageTo> record : records)
         {
@@ -279,6 +286,7 @@ public class InfoChannel implements Runnable
           chatRoomId);
 
       this.chatRoomInfo.put(chatRoomId, chatRoomInfo);
+      this.channelMediator.chatRoomCreated(chatRoomInfo);
     }
   }