Examples with Store org.h2.mvstore.db.MVTableEngine.Store used on opensource projects

Example 36 with Store

use of org.h2.mvstore.db.MVTableEngine.Store in project h2database by h2database.

the class PrepareTranslation method prepare.

private static void prepare(String baseDir, String path, boolean utf8) throws IOException {
    String suffix = utf8 ? ".prop" : ".properties";
    File dir = new File(path);
    File main = null;
    ArrayList<File> translations = new ArrayList<>();
    for (File f : dir.listFiles()) {
        if (f.getName().endsWith(suffix) && f.getName().indexOf('_') >= 0) {
            if (f.getName().endsWith("_" + MAIN_LANGUAGE + suffix)) {
                main = f;
            } else {
                translations.add(f);
            }
        }
    }
    SortedProperties p = load(main.getAbsolutePath(), utf8);
    Properties base = load(baseDir + "/" + main.getName(), utf8);
    store(p, main.getAbsolutePath(), utf8);
    for (File trans : translations) {
        String language = trans.getName();
        language = language.substring(language.lastIndexOf('_') + 1, language.lastIndexOf('.'));
        prepare(p, base, trans, utf8);
    }
    store(p, baseDir + "/" + main.getName(), utf8);
}

Example 37 with Store

use of org.h2.mvstore.db.MVTableEngine.Store in project h2database by h2database.

the class PrepareTranslation method prepare.

private static void prepare(Properties main, Properties base, File trans, boolean utf8) throws IOException {
    SortedProperties p = load(trans.getAbsolutePath(), utf8);
    Properties oldTranslations = new Properties();
    for (Object k : base.keySet()) {
        String key = (String) k;
        String m = base.getProperty(key);
        String t = p.getProperty(key);
        if (t != null && !t.startsWith("#")) {
            oldTranslations.setProperty(m, t);
        }
    }
    HashSet<String> toTranslate = new HashSet<>();
    // add missing keys, using # and the value from the main file
    for (Object k : main.keySet()) {
        String key = (String) k;
        String now = main.getProperty(key);
        if (!p.containsKey(key)) {
            String t = oldTranslations.getProperty(now);
            if (t == null) {
                // System.out.println(trans.getName() +
                // ": key " + key + " not found in " +
                // "translation file; added # 'translation'");
                t = "#" + now;
                p.put(key, t);
            } else {
                p.put(key, t);
            }
        } else {
            String t = p.getProperty(key);
            String last = base.getProperty(key);
            if (t.startsWith("#") && !t.startsWith("##")) {
                // not translated before
                t = oldTranslations.getProperty(now);
                if (t == null) {
                    t = "#" + now;
                }
                p.put(key, t);
            } else if (last != null && !last.equals(now)) {
                t = oldTranslations.getProperty(now);
                if (t == null) {
                    // main data changed since the last run: review
                    // translation
                    System.out.println(trans.getName() + ": key " + key + " changed, please review; last=" + last + " now=" + now);
                    String old = p.getProperty(key);
                    t = "#" + now + " #" + old;
                    p.put(key, t);
                } else {
                    p.put(key, t);
                }
            }
        }
    }
    for (String key : toTranslate) {
        String now = main.getProperty(key);
        String t;
        System.out.println(trans.getName() + ": key " + key + " not found in translation file; added dummy # 'translation'");
        t = "#" + now;
        p.put(key, t);
    }
    // (deleted or typo in the key)
    for (Object k : new ArrayList<>(p.keySet())) {
        String key = (String) k;
        if (!main.containsKey(key)) {
            p.remove(key);
        }
    }
    store(p, trans.getAbsolutePath(), utf8);
}

Example 38 with Store

use of org.h2.mvstore.db.MVTableEngine.Store in project h2database by h2database.

the class MVTableEngine method createTable.

@Override
public TableBase createTable(CreateTableData data) {
    Database db = data.session.getDatabase();
    Store store = init(db);
    MVTable table = new MVTable(data, store);
    table.init(data.session);
    store.tableMap.put(table.getMapName(), table);
    return table;
}

Example 39 with Store

use of org.h2.mvstore.db.MVTableEngine.Store in project h2database by h2database.

the class MVTableEngine method init.

/**
 * Initialize the MVStore.
 *
 * @param db the database
 * @return the store
 */
public static Store init(final Database db) {
    Store store = db.getMvStore();
    if (store != null) {
        return store;
    }
    byte[] key = db.getFileEncryptionKey();
    String dbPath = db.getDatabasePath();
    MVStore.Builder builder = new MVStore.Builder();
    store = new Store();
    boolean encrypted = false;
    if (dbPath != null) {
        String fileName = dbPath + Constants.SUFFIX_MV_FILE;
        MVStoreTool.compactCleanUp(fileName);
        builder.fileName(fileName);
        builder.pageSplitSize(db.getPageSize());
        if (db.isReadOnly()) {
            builder.readOnly();
        } else {
            // possibly create the directory
            boolean exists = FileUtils.exists(fileName);
            if (exists && !FileUtils.canWrite(fileName)) {
            // read only
            } else {
                String dir = FileUtils.getParent(fileName);
                FileUtils.createDirectories(dir);
            }
        }
        if (key != null) {
            encrypted = true;
            char[] password = new char[key.length / 2];
            for (int i = 0; i < password.length; i++) {
                password[i] = (char) (((key[i + i] & 255) << 16) | ((key[i + i + 1]) & 255));
            }
            builder.encryptionKey(password);
        }
        if (db.getSettings().compressData) {
            builder.compress();
            // use a larger page split size to improve the compression ratio
            builder.pageSplitSize(64 * 1024);
        }
        builder.backgroundExceptionHandler(new UncaughtExceptionHandler() {

            @Override
            public void uncaughtException(Thread t, Throwable e) {
                db.setBackgroundException(DbException.convert(e));
            }
        });
    }
    store.open(db, builder, encrypted);
    db.setMvStore(store);
    return store;
}

Example 40 with Store

use of org.h2.mvstore.db.MVTableEngine.Store in project h2database by h2database.

the class PageDataOverflow method create.

/**
 * Create a new overflow page.
 *
 * @param store the page store
 * @param page the page id
 * @param type the page type
 * @param parentPageId the parent page id
 * @param next the next page or 0
 * @param all the data
 * @param offset the offset within the data
 * @param size the number of bytes
 * @return the page
 */
static PageDataOverflow create(PageStore store, int page, int type, int parentPageId, int next, Data all, int offset, int size) {
    Data data = store.createData();
    PageDataOverflow p = new PageDataOverflow(store, page, data);
    store.logUndo(p, null);
    data.writeByte((byte) type);
    data.writeShortInt(0);
    data.writeInt(parentPageId);
    if (type == Page.TYPE_DATA_OVERFLOW) {
        data.writeInt(next);
    } else {
        data.writeShortInt(size);
    }
    p.start = data.length();
    data.write(all.getBytes(), offset, size);
    p.type = type;
    p.parentPageId = parentPageId;
    p.nextPage = next;
    p.size = size;
    return p;
}