Examples with OCachePointer com.orientechnologies.orient.core.storage.cache.OCachePointer used on opensource projects

Example 71 with OCachePointer

use of com.orientechnologies.orient.core.storage.cache.OCachePointer in project orientdb by orientechnologies.

the class OSBTreeBonsaiLeafBucketTest method testInitialization.

public void testInitialization() throws Exception {
    OByteBufferPool bufferPool = OByteBufferPool.instance();
    ByteBuffer buffer = bufferPool.acquireDirect(true);
    OCachePointer cachePointer = new OCachePointer(buffer, bufferPool, new OLogSequenceNumber(0, 0), 0, 0);
    cachePointer.incrementReferrer();
    OCacheEntry cacheEntry = new OCacheEntry(0, 0, cachePointer, false);
    cacheEntry.acquireExclusiveLock();
    OSBTreeBonsaiBucket<Long, OIdentifiable> treeBucket = new OSBTreeBonsaiBucket<Long, OIdentifiable>(cacheEntry, 0, true, OLongSerializer.INSTANCE, OLinkSerializer.INSTANCE, null, null);
    Assert.assertEquals(treeBucket.size(), 0);
    Assert.assertTrue(treeBucket.isLeaf());
    treeBucket = new OSBTreeBonsaiBucket<Long, OIdentifiable>(cacheEntry, 0, OLongSerializer.INSTANCE, OLinkSerializer.INSTANCE, null, null);
    Assert.assertEquals(treeBucket.size(), 0);
    Assert.assertTrue(treeBucket.isLeaf());
    Assert.assertFalse(treeBucket.getLeftSibling().isValid());
    Assert.assertFalse(treeBucket.getRightSibling().isValid());
    cacheEntry.releaseExclusiveLock();
    cachePointer.decrementReferrer();
}

Example 72 with OCachePointer

use of com.orientechnologies.orient.core.storage.cache.OCachePointer in project orientdb by orientechnologies.

the class OSBTreeBonsaiNonLeafBucketTest method testInitialization.

public void testInitialization() throws Exception {
    OByteBufferPool bufferPool = OByteBufferPool.instance();
    ByteBuffer buffer = bufferPool.acquireDirect(true);
    OCachePointer cachePointer = new OCachePointer(buffer, bufferPool, new OLogSequenceNumber(0, 0), 0, 0);
    cachePointer.incrementReferrer();
    OCacheEntry cacheEntry = new OCacheEntry(0, 0, cachePointer, false);
    cacheEntry.acquireExclusiveLock();
    OSBTreeBonsaiBucket<Long, OIdentifiable> treeBucket = new OSBTreeBonsaiBucket<Long, OIdentifiable>(cacheEntry, 0, false, OLongSerializer.INSTANCE, OLinkSerializer.INSTANCE, null, null);
    Assert.assertEquals(treeBucket.size(), 0);
    Assert.assertFalse(treeBucket.isLeaf());
    treeBucket = new OSBTreeBonsaiBucket<Long, OIdentifiable>(cacheEntry, 0, OLongSerializer.INSTANCE, OLinkSerializer.INSTANCE, null, null);
    Assert.assertEquals(treeBucket.size(), 0);
    Assert.assertFalse(treeBucket.isLeaf());
    Assert.assertEquals(treeBucket.getLeftSibling().getPageIndex(), -1);
    Assert.assertEquals(treeBucket.getRightSibling().getPageIndex(), -1);
    cacheEntry.releaseExclusiveLock();
    cachePointer.decrementReferrer();
}

Example 73 with OCachePointer

use of com.orientechnologies.orient.core.storage.cache.OCachePointer in project orientdb by orientechnologies.

the class WOWCacheTest method testNoChecksumFailureIfNoChecksumProvided.

@Test
public void testNoChecksumFailureIfNoChecksumProvided() throws IOException {
    wowCache.setChecksumMode(OChecksumMode.Off);
    final long fileId = wowCache.addFile(fileName);
    OCachePointer cachePointer = wowCache.load(fileId, 0, 1, true, new OModifiableBoolean(), true)[0];
    cachePointer.acquireExclusiveLock();
    final ByteBuffer buffer = cachePointer.getSharedBuffer();
    buffer.position(systemOffset);
    buffer.put(new byte[buffer.remaining()]);
    cachePointer.releaseExclusiveLock();
    wowCache.store(fileId, 0, cachePointer);
    cachePointer.decrementReadersReferrer();
    wowCache.flush();
    final String path = storageLocal.getConfiguration().getDirectory() + File.separator + fileName;
    final OFileClassic file = new OFileClassic(path, "rw");
    file.open();
    file.writeByte(systemOffset, (byte) 1);
    file.close();
    wowCache.setChecksumMode(OChecksumMode.StoreAndThrow);
    cachePointer = wowCache.load(fileId, 0, 1, true, new OModifiableBoolean(), true)[0];
    cachePointer.decrementReadersReferrer();
}

Example 74 with OCachePointer

use of com.orientechnologies.orient.core.storage.cache.OCachePointer in project orientdb by orientechnologies.

the class WOWCacheTest method testLoadStore.

public void testLoadStore() throws IOException {
    Random random = new Random();
    byte[][] pageData = new byte[200][];
    long fileId = wowCache.addFile(fileName);
    for (int i = 0; i < pageData.length; i++) {
        byte[] data = new byte[8];
        random.nextBytes(data);
        pageData[i] = data;
        final OCachePointer cachePointer = wowCache.load(fileId, i, 1, true, new OModifiableBoolean(), true)[0];
        cachePointer.acquireExclusiveLock();
        ByteBuffer buffer = cachePointer.getSharedBuffer();
        buffer.position(systemOffset);
        buffer.put(data);
        cachePointer.releaseExclusiveLock();
        wowCache.store(fileId, i, cachePointer);
        cachePointer.decrementReadersReferrer();
    }
    for (int i = 0; i < pageData.length; i++) {
        byte[] dataOne = pageData[i];
        OCachePointer cachePointer = wowCache.load(fileId, i, 1, false, new OModifiableBoolean(), true)[0];
        byte[] dataTwo = new byte[8];
        ByteBuffer buffer = cachePointer.getSharedBuffer();
        buffer.position(systemOffset);
        buffer.get(dataTwo);
        cachePointer.decrementReadersReferrer();
        Assert.assertEquals(dataTwo, dataOne);
    }
    wowCache.flush();
    for (int i = 0; i < pageData.length; i++) {
        byte[] dataContent = pageData[i];
        assertFile(i, dataContent, new OLogSequenceNumber(0, 0));
    }
}

Example 75 with OCachePointer

use of com.orientechnologies.orient.core.storage.cache.OCachePointer in project orientdb by orientechnologies.

the class WOWCacheTest method testChecksumFailure.

@Test
public void testChecksumFailure() throws IOException {
    wowCache.setChecksumMode(OChecksumMode.StoreAndThrow);
    final long fileId = wowCache.addFile(fileName);
    final OCachePointer cachePointer = wowCache.load(fileId, 0, 1, true, new OModifiableBoolean(), true)[0];
    cachePointer.acquireExclusiveLock();
    final ByteBuffer buffer = cachePointer.getSharedBuffer();
    buffer.position(systemOffset);
    buffer.put(new byte[buffer.remaining()]);
    cachePointer.releaseExclusiveLock();
    wowCache.store(fileId, 0, cachePointer);
    cachePointer.decrementReadersReferrer();
    wowCache.flush();
    final String path = storageLocal.getConfiguration().getDirectory() + File.separator + fileName;
    final OFileClassic file = new OFileClassic(path, "rw");
    file.open();
    file.writeByte(systemOffset, (byte) 1);
    file.close();
    Assert.assertThrows(OStorageException.class, new Assert.ThrowingRunnable() {

        @Override
        public void run() throws Throwable {
            wowCache.load(fileId, 0, 1, true, new OModifiableBoolean(), true);
        }
    });
}