HsprDbf.java 文件源码

private static Map<Integer, PrecomputeSpeedProfile> loadSpeedProfiles(String filename) {
    File file = new File(filename);
    if (!file.exists()) {
        log.info("File not found : {}", file.getAbsolutePath());
        return newHashMap();
    }

    TreeMultimap<Integer, SpeedProfile> profilesMap = TreeMultimap.create();
    log.info("Reading HSPR {}", file);
    try (DbfReader reader = new DbfReader(file)) {
        DbfRow row;
        while ((row = reader.nextRow()) != null) {
            SpeedProfile profile = new SpeedProfile(row.getInt("PROFILE_ID"), row.getInt("TIME_SLOT"), row.getDouble("REL_SP"));
            profilesMap.put(profile.getId(), profile);
        }
    }
    log.info("Loaded {} hspr", profilesMap.size());

    return profilesMap.asMap().entrySet().stream().collect(toMap(Entry::getKey, e -> precomputeProfile(e.getValue())));
}