yxu-valleytider commented on a change in pull request #9581: [FLINK-13864][streaming]: Modify the StreamingFileSink Builder interface to allow for easier subclassing of StreamingFileSink URL: https://github.com/apache/flink/pull/9581#discussion_r326002753
########## File path: flink-streaming-java/src/main/java/org/apache/flink/streaming/api/functions/sink/filesystem/StreamingFileSink.java ########## @@ -162,47 +162,54 @@ protected StreamingFileSink( * @return The builder where the remaining of the configuration parameters for the sink can be configured. * In order to instantiate the sink, call {@link RowFormatBuilder#build()} after specifying the desired parameters. */ - public static <IN> StreamingFileSink.BulkFormatBuilder<IN, String> forBulkFormat( + public static <IN> StreamingFileSink.BulkFormatBuilder<IN, String, ? extends BulkFormatBuilder<IN, String, ?>> forBulkFormat( final Path basePath, final BulkWriter.Factory<IN> writerFactory) { return new StreamingFileSink.BulkFormatBuilder<>(basePath, writerFactory, new DateTimeBucketAssigner<>()); } /** * The base abstract class for the {@link RowFormatBuilder} and {@link BulkFormatBuilder}. */ - protected abstract static class BucketsBuilder<IN, BucketID> implements Serializable { + protected abstract static class BucketsBuilder<IN, BucketID, T extends BucketsBuilder<IN, BucketID, T>> implements Serializable { Review comment: DONE. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services