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

Example 21 with OCachePointer

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

the class WOWCacheTest method testNoChecksumVerificationIfNotRequested.

@Test
public void testNoChecksumVerificationIfNotRequested() throws IOException {
    wowCache.setChecksumMode(OChecksumMode.StoreAndThrow);
    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();
    cachePointer = wowCache.load(fileId, 0, 1, true, new OModifiableBoolean(), false)[0];
    cachePointer.decrementReadersReferrer();
}

Example 22 with OCachePointer

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

the class WOWCacheTest method testNoChecksumFailureIfVerificationTurnedOffOnLoad.

@Test
public void testNoChecksumFailureIfVerificationTurnedOffOnLoad() throws IOException {
    wowCache.setChecksumMode(OChecksumMode.Store);
    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();
    cachePointer = wowCache.load(fileId, 0, 1, true, new OModifiableBoolean(), true)[0];
    cachePointer.decrementReadersReferrer();
}

Example 23 with OCachePointer

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

the class WOWCacheTest method testNoChecksumFailureIfVerificationTurnedOff.

@Test
public void testNoChecksumFailureIfVerificationTurnedOff() 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();
    cachePointer = wowCache.load(fileId, 0, 1, true, new OModifiableBoolean(), true)[0];
    cachePointer.decrementReadersReferrer();
}

Example 24 with OCachePointer

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

the class SBTreeLeafBucketTest 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();
    OSBTreeBucket<Long, OIdentifiable> treeBucket = new OSBTreeBucket<Long, OIdentifiable>(cacheEntry, true, OLongSerializer.INSTANCE, null, OLinkSerializer.INSTANCE, null);
    Assert.assertEquals(treeBucket.size(), 0);
    Assert.assertTrue(treeBucket.isLeaf());
    treeBucket = new OSBTreeBucket<Long, OIdentifiable>(cacheEntry, OLongSerializer.INSTANCE, null, OLinkSerializer.INSTANCE, null);
    Assert.assertEquals(treeBucket.size(), 0);
    Assert.assertTrue(treeBucket.isLeaf());
    Assert.assertEquals(treeBucket.getLeftSibling(), -1);
    Assert.assertEquals(treeBucket.getRightSibling(), -1);
    cacheEntry.releaseExclusiveLock();
    cachePointer.decrementReferrer();
}

Example 25 with OCachePointer

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

the class SBTreeLeafBucketTest method testSetRightSibling.

public void testSetRightSibling() 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();
    OSBTreeBucket<Long, OIdentifiable> treeBucket = new OSBTreeBucket<Long, OIdentifiable>(cacheEntry, true, OLongSerializer.INSTANCE, null, OLinkSerializer.INSTANCE, null);
    treeBucket.setRightSibling(123);
    Assert.assertEquals(treeBucket.getRightSibling(), 123);
    cacheEntry.releaseExclusiveLock();
    cachePointer.decrementReferrer();
}