X-Git-Url: http://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fchat%2Fbackend%2Fimplementation%2Fkafka%2FDataChannel.java;h=42f17d14b62f1c9d2ffe70788e2affbe9e794a99;hb=132c1d0092fc8377d92a4ded7ef349d858ae92cd;hp=8dcc1bce8315323dc6e2e5f547087809351b9835;hpb=075fbbf0c290748fa8b6d684c145a2f1ab8cbe0d;p=demos%2Fkafka%2Fchat diff --git a/src/main/java/de/juplo/kafka/chat/backend/implementation/kafka/DataChannel.java b/src/main/java/de/juplo/kafka/chat/backend/implementation/kafka/DataChannel.java index 8dcc1bce..42f17d14 100644 --- a/src/main/java/de/juplo/kafka/chat/backend/implementation/kafka/DataChannel.java +++ b/src/main/java/de/juplo/kafka/chat/backend/implementation/kafka/DataChannel.java @@ -176,12 +176,15 @@ public class DataChannel implements Channel, ConsumerRebalanceListener partitions.forEach(topicPartition -> { int partition = topicPartition.partition(); - chatRoomData[partition] - .values() - .forEach(chatRoomData -> chatRoomData.close()); isShardOwned[partition] = false; nextOffset[partition] = consumer.position(topicPartition); + log.info("Partition revoked: {} - next={}", partition, nextOffset[partition]); + + chatRoomData[partition] + .values() + .forEach(chatRoomData -> chatRoomData.deactivate()); + channelMediator.shardRevoked(partition); }); } @@ -216,6 +219,7 @@ public class DataChannel implements Channel, ConsumerRebalanceListener { log.info("Loading of messages completed! Pausing all owned partitions..."); pauseAllOwnedPartions(); + activateAllOwnedChatRooms(); log.info("Resuming normal operations..."); channelState = ChannelState.READY; } @@ -316,6 +320,16 @@ public class DataChannel implements Channel, ConsumerRebalanceListener .toList()); } + private void activateAllOwnedChatRooms() + { + IntStream + .range(0, numShards) + .filter(shard -> isShardOwned[shard]) + .forEach(shard -> chatRoomData[shard] + .values() + .forEach(chatRoomData -> chatRoomData.activate())); + } + int[] getOwnedShards() { @@ -327,7 +341,9 @@ public class DataChannel implements Channel, ConsumerRebalanceListener void createChatRoomData(ChatRoomInfo chatRoomInfo) { - computeChatRoomData(chatRoomInfo.getId(), chatRoomInfo.getShard()); + computeChatRoomData( + chatRoomInfo.getId(), + chatRoomInfo.getShard()); } Mono getChatRoomData(int shard, UUID id)