Examples with RecordWiseCompactingFileWriter org.apache.flink.streaming.api.functions.sink.filesystem.RecordWiseCompactingFileWriter used on opensource projects

Example 1 with RecordWiseCompactingFileWriter

use of org.apache.flink.streaming.api.functions.sink.filesystem.RecordWiseCompactingFileWriter in project flink by apache.

the class CompactService method compact.

@SuppressWarnings({ "rawtypes", "unchecked" })
private Iterable<FileSinkCommittable> compact(CompactorRequest request) throws Exception {
    List<FileSinkCommittable> results = new ArrayList<>(request.getCommittableToPassthrough());
    List<Path> compactingFiles = getCompactingPath(request);
    if (compactingFiles.isEmpty()) {
        return results;
    }
    Path targetPath = assembleCompactedFilePath(compactingFiles.get(0));
    CompactingFileWriter compactingFileWriter = bucketWriter.openNewCompactingFile(compactingWriterType, request.getBucketId(), targetPath, System.currentTimeMillis());
    if (compactingWriterType == Type.RECORD_WISE) {
        ((RecordWiseFileCompactor) fileCompactor).compact(compactingFiles, ((RecordWiseCompactingFileWriter) compactingFileWriter)::write);
    } else if (compactingWriterType == CompactingFileWriter.Type.OUTPUT_STREAM) {
        ((OutputStreamBasedFileCompactor) fileCompactor).compact(compactingFiles, ((OutputStreamBasedCompactingFileWriter) compactingFileWriter).asOutputStream());
    }
    PendingFileRecoverable compactedPendingFile = compactingFileWriter.closeForCommit();
    FileSinkCommittable compacted = new FileSinkCommittable(request.getBucketId(), compactedPendingFile);
    results.add(compacted);
    for (Path f : compactingFiles) {
        // cleanup compacted files
        results.add(new FileSinkCommittable(request.getBucketId(), f));
    }
    return results;
}