Examples with Db org.h2.jaqu.Db used on opensource projects

Example 66 with Db

use of org.h2.jaqu.Db 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 67 with Db

use of org.h2.jaqu.Db 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 68 with Db

use of org.h2.jaqu.Db in project h2database by h2database.

the class TestRecoverKillLoop method runTest.

private void runTest(int count) throws Exception {
    FileUtils.deleteRecursive("data/db", false);
    Random random = new Random(1);
    for (int i = 0; i < count; i++) {
        String[] procDef = { "java", "-cp", getClassPath(), "-Dtest.dir=data/db", TestRecover.class.getName() };
        Process p = Runtime.getRuntime().exec(procDef);
        InputStream in = p.getInputStream();
        OutputCatcher catcher = new OutputCatcher(in);
        catcher.start();
        while (true) {
            String s = catcher.readLine(60 * 1000);
            // System.out.println("> " + s);
            if (s == null) {
                fail("No reply from process");
            } else if (s.startsWith("testing...")) {
                int sleep = random.nextInt(10000);
                Thread.sleep(sleep);
                printTime("killing");
                p.destroy();
                p.waitFor();
                break;
            } else if (s.startsWith("error!")) {
                fail("Failed: " + s);
            }
        }
    }
}

Example 69 with Db

use of org.h2.jaqu.Db in project h2database by h2database.

the class ModelsTest method testModelGeneration.

private void testModelGeneration() {
    DbInspector inspector = new DbInspector(db);
    List<String> models = inspector.generateModel(null, "SupportedTypes", "org.h2.test.jaqu", true, true);
    assertEquals(1, models.size());
    // a poor test, but a start
    assertEquals(1364, models.get(0).length());
}

Example 70 with Db

use of org.h2.jaqu.Db in project h2database by h2database.

the class AliasMapTest method test.

@Override
public void test() throws Exception {
    Db db = Db.open("jdbc:h2:mem:", "sa", "sa");
    db.insertAll(Product.getList());
    Product p = new Product();
    List<Product> products = db.from(p).where(p.unitsInStock).is(9).orderBy(p.productId).select();
    assertEquals("[]", products.toString());
    db.close();
}