Examples of org.grouplens.lenskit.data.dao.packed.BinaryRatingPacker

            flags.add(BinaryFormatFlag.TIMESTAMPS);
        }
        logger.info("packing to {} with flags {}", getOutputFile(), flags);
        Closer closer = Closer.create();
        try {
            BinaryRatingPacker packer = closer.register(BinaryRatingPacker.open(getOutputFile(), flags));
            Cursor<Rating> ratings = closer.register(dao.streamEvents(Rating.class));
            packer.writeRatings(ratings);
            logger.info("packed {} ratings", packer.getRatingCount());
        } catch (Throwable th) {
            throw closer.rethrow(th);
        } finally {
            closer.close();
        }

        }


        logger.info("packing {} to {}", data, outFile);
        StagedWrite stage = StagedWrite.begin(outFile);
        try {
            BinaryRatingPacker packer = BinaryRatingPacker.open(stage.getStagingFile(), binaryFlags);
            try {
                Cursor<Rating> ratings = data.getEventDAO().streamEvents(Rating.class);
                try {
                    packer.writeRatings(ratings);
                } finally {
                    ratings.close();
                }
            } finally {
                packer.close();
            }
            stage.commit();
        } catch (IOException ex) {
            logger.error("error packing {}: {}", outFile, ex);
            throw new TaskExecutionException("error packing " + outFile, ex);

Related Classes of org.grouplens.lenskit.data.dao.packed.BinaryRatingPacker

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