Package org.grouplens.lenskit.util.io

Examples of org.grouplens.lenskit.util.io.UpToDateChecker.addOutput()

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    @Override
    public DataSource perform() throws TaskExecutionException {
        UpToDateChecker check = new UpToDateChecker();
        check.addInput(source.lastModified());
        File subsampleFile = getOutput();
        check.addOutput(subsampleFile);
        if (check.isUpToDate()) {
            logger.info("subsample {} up to date", getName());
            return makeDataSource();
        }
        try {
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        PackedDataSource source = new PackedDataSource(data.getName(), outFile,
                                                       data.getPreferenceDomain());

        UpToDateChecker check = new UpToDateChecker();
        check.addInput(data.lastModified());
        check.addOutput(outFile);
        if (check.isUpToDate()) {
            logger.info("{} is up to date", outFile);
            return source;
        }
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    public List<TTDataSet> perform() throws TaskExecutionException {
        if (!getForce()) {
            UpToDateChecker check = new UpToDateChecker();
            check.addInput(source.lastModified());
            for (File f: getFiles(getTrainPattern())) {
                check.addOutput(f);
            }
            for (File f: getFiles(getTestPattern())) {
                check.addOutput(f);
            }
            if (check.isUpToDate()) {
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            check.addInput(source.lastModified());
            for (File f: getFiles(getTrainPattern())) {
                check.addOutput(f);
            }
            for (File f: getFiles(getTestPattern())) {
                check.addOutput(f);
            }
            if (check.isUpToDate()) {
                logger.info("crossfold {} up to date", getName());
                return getTTFiles();
            }
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