Github user tzulitai commented on a diff in the pull request:
https://github.com/apache/flink/pull/3031#discussion_r97935636
--- Diff:
flink-connectors/flink-connector-kafka-base/src/main/java/org/apache/flink/streaming/connectors/kafka/internals/AbstractFetcher.java
---
@@ -175,34 +176,115 @@ protected AbstractFetcher(
//
------------------------------------------------------------------------
/**
- * Takes a snapshot of the partition offsets.
+ * Takes a snapshot of the partition offsets and watermarks.
*
* <p>Important: This method mus be called under the checkpoint lock.
*
- * @return A map from partition to current offset.
+ * @return A map from partition to current offset and watermark.
*/
- public HashMap<KafkaTopicPartition, Long> snapshotCurrentState() {
+ public HashMap<KafkaTopicPartition, Tuple2<Long, Long>>
snapshotCurrentState() {
// this method assumes that the checkpoint lock is held
assert Thread.holdsLock(checkpointLock);
- HashMap<KafkaTopicPartition, Long> state = new
HashMap<>(allPartitions.length);
- for (KafkaTopicPartitionState<?> partition :
subscribedPartitions()) {
- state.put(partition.getKafkaTopicPartition(),
partition.getOffset());
+ HashMap<KafkaTopicPartition, Tuple2<Long, Long>> state = new
HashMap<>(allPartitions.length);
+
+ switch (timestampWatermarkMode) {
+
+ case NO_TIMESTAMPS_WATERMARKS: {
+
+ for (KafkaTopicPartitionState<KPH> partition :
allPartitions) {
--- End diff --
Excessive empty line above this line.
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