gguptp commented on code in PR #193:
URL:
https://github.com/apache/flink-connector-aws/pull/193#discussion_r2014319333
##########
flink-connector-aws/flink-connector-dynamodb/src/main/java/org/apache/flink/connector/dynamodb/source/reader/DynamoDbStreamsSourceReader.java:
##########
@@ -58,10 +65,38 @@ public DynamoDbStreamsSourceReader(
Map<String, DynamoDbStreamsShardMetrics> shardMetricGroupMap) {
super(splitFetcherManager, recordEmitter, config, context);
this.shardMetricGroupMap = shardMetricGroupMap;
+ this.splitFinishedEvents = new TreeMap<>();
+ this.currentCheckpointId = Long.MIN_VALUE;
}
+ /**
+ * We store the finished splits in a map keyed by the checkpoint id.
+ *
+ * @param finishedSplitIds
+ */
@Override
protected void onSplitFinished(Map<String, DynamoDbStreamsShardSplitState>
finishedSplitIds) {
+ if (finishedSplitIds.isEmpty()) {
+ return;
+ }
+
+ finishedSplitIds.values().stream()
+ .map(
+ finishedSplit ->
+ new DynamoDbStreamsShardSplit(
+ finishedSplit.getStreamArn(),
+ finishedSplit.getShardId(),
+
finishedSplit.getNextStartingPosition(),
+ finishedSplit
+ .getDynamoDbStreamsShardSplit()
+ .getParentShardId(),
+ true))
+ .forEach(
+ split ->
+ splitFinishedEvents
+ .computeIfAbsent(currentCheckpointId,
k -> new HashSet<>())
Review Comment:
good point
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