in flink-connector-pulsar/src/main/java/org/apache/flink/connector/pulsar/source/reader/PulsarSourceFetcherManager.java [103:112]
public void closeFetcher(String splitId) {
Integer fetchId = splitFetcherMapping.remove(splitId);
if (fetchId != null) {
fetcherStatus.remove(fetchId);
SplitFetcher<Message<byte[]>, PulsarPartitionSplit> fetcher = fetchers.remove(fetchId);
if (fetcher != null) {
fetcher.shutdown();
}
}
}