Examples with MVStore org.h2.mvstore.MVStore used on opensource projects

Example 91 with MVStore

use of org.h2.mvstore.MVStore in project h2database by h2database.

the class TestMVStore method testStoreVersion.

private void testStoreVersion() {
    String fileName = getBaseDir() + "/" + getTestName();
    FileUtils.delete(fileName);
    MVStore s = MVStore.open(fileName);
    assertEquals(0, s.getCurrentVersion());
    assertEquals(0, s.getStoreVersion());
    s.setStoreVersion(0);
    s.commit();
    s.setStoreVersion(1);
    s.closeImmediately();
    s = MVStore.open(fileName);
    assertEquals(1, s.getCurrentVersion());
    assertEquals(0, s.getStoreVersion());
    s.setStoreVersion(1);
    s.close();
    s = MVStore.open(fileName);
    assertEquals(2, s.getCurrentVersion());
    assertEquals(1, s.getStoreVersion());
    s.close();
}

Example 92 with MVStore

use of org.h2.mvstore.MVStore in project h2database by h2database.

the class TestMVStore method testEntrySet.

private void testEntrySet() {
    MVStore s = new MVStore.Builder().open();
    MVMap<Integer, Integer> map;
    map = s.openMap("data");
    for (int i = 0; i < 20; i++) {
        map.put(i, i * 10);
    }
    int next = 0;
    for (Entry<Integer, Integer> e : map.entrySet()) {
        assertEquals(next, e.getKey().intValue());
        assertEquals(next * 10, e.getValue().intValue());
        next++;
    }
}

Example 93 with MVStore

use of org.h2.mvstore.MVStore in project h2database by h2database.

the class TestMVStore method testProvidedFileStoreNotOpenedAndClosed.

private void testProvidedFileStoreNotOpenedAndClosed() {
    final AtomicInteger openClose = new AtomicInteger();
    FileStore fileStore = new OffHeapStore() {

        @Override
        public void open(String fileName, boolean readOnly, char[] encryptionKey) {
            openClose.incrementAndGet();
            super.open(fileName, readOnly, encryptionKey);
        }

        @Override
        public void close() {
            openClose.incrementAndGet();
            super.close();
        }
    };
    MVStore store = new MVStore.Builder().fileStore(fileStore).open();
    store.close();
    assertEquals(0, openClose.get());
}

Example 94 with MVStore

use of org.h2.mvstore.MVStore in project h2database by h2database.

the class TestMVStore method testFileFormatChange.

private void testFileFormatChange() {
    String fileName = getBaseDir() + "/" + getTestName();
    FileUtils.delete(fileName);
    MVStore s;
    MVMap<Integer, Integer> m;
    s = openStore(fileName);
    s.setRetentionTime(Integer.MAX_VALUE);
    m = s.openMap("test");
    m.put(1, 1);
    Map<String, Object> header = s.getStoreHeader();
    int format = Integer.parseInt(header.get("format").toString());
    assertEquals(1, format);
    header.put("format", Integer.toString(format + 1));
    forceWriteStoreHeader(s);
    s.close();
    try {
        openStore(fileName).close();
        fail();
    } catch (IllegalStateException e) {
        assertEquals(DataUtils.ERROR_UNSUPPORTED_FORMAT, DataUtils.getErrorCode(e.getMessage()));
    }
    FileUtils.delete(fileName);
}

Example 95 with MVStore

use of org.h2.mvstore.MVStore in project h2database by h2database.

the class TestMVStore method testCompactFully.

private void testCompactFully() throws Exception {
    String fileName = getBaseDir() + "/" + getTestName();
    FileUtils.delete(fileName);
    MVStore s = new MVStore.Builder().fileName(fileName).autoCommitDisabled().open();
    MVMap<Integer, String> m;
    for (int i = 0; i < 100; i++) {
        m = s.openMap("data" + i);
        m.put(0, "Hello World");
        s.commit();
    }
    for (int i = 0; i < 100; i += 2) {
        m = s.openMap("data" + i);
        s.removeMap(m);
        s.commit();
    }
    long sizeOld = s.getFileStore().size();
    s.compactMoveChunks();
    long sizeNew = s.getFileStore().size();
    assertTrue("old: " + sizeOld + " new: " + sizeNew, sizeNew < sizeOld);
    s.close();
}