Examples with OByteBufferPool com.orientechnologies.common.directmemory.OByteBufferPool used on opensource projects

Example 76 with OByteBufferPool

use of com.orientechnologies.common.directmemory.OByteBufferPool in project orientdb by orientechnologies.

the class OSBTreeBonsaiLeafBucketTest method testRemove.

public void testRemove() throws Exception {
    long seed = System.currentTimeMillis();
    System.out.println("testRemove seed : " + seed);
    TreeSet<Long> keys = new TreeSet<Long>();
    Random random = new Random(seed);
    while (keys.size() < 2 * OSBTreeBonsaiBucket.MAX_BUCKET_SIZE_BYTES / OLongSerializer.LONG_SIZE) {
        keys.add(random.nextLong());
    }
    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);
    int index = 0;
    for (Long key : keys) {
        if (!treeBucket.addEntry(index, new OSBTreeBonsaiBucket.SBTreeEntry<Long, OIdentifiable>(OBonsaiBucketPointer.NULL, OBonsaiBucketPointer.NULL, key, new ORecordId(index, index)), true))
            break;
        index++;
    }
    int originalSize = treeBucket.size();
    int itemsToDelete = originalSize / 2;
    for (int i = 0; i < itemsToDelete; i++) {
        treeBucket.remove(treeBucket.size() - 1);
    }
    Assert.assertEquals(treeBucket.size(), originalSize - itemsToDelete);
    final Map<Long, Integer> keyIndexMap = new HashMap<Long, Integer>();
    Iterator<Long> keysIterator = keys.iterator();
    index = 0;
    while (keysIterator.hasNext() && index < treeBucket.size()) {
        Long key = keysIterator.next();
        keyIndexMap.put(key, index);
        index++;
    }
    for (Map.Entry<Long, Integer> keyIndexEntry : keyIndexMap.entrySet()) {
        int bucketIndex = treeBucket.find(keyIndexEntry.getKey());
        Assert.assertEquals(bucketIndex, (int) keyIndexEntry.getValue());
    }
    int keysToAdd = originalSize - treeBucket.size();
    int addedKeys = 0;
    while (keysIterator.hasNext() && index < originalSize) {
        Long key = keysIterator.next();
        if (!treeBucket.addEntry(index, new OSBTreeBonsaiBucket.SBTreeEntry<Long, OIdentifiable>(OBonsaiBucketPointer.NULL, OBonsaiBucketPointer.NULL, key, new ORecordId(index, index)), true))
            break;
        keyIndexMap.put(key, index);
        index++;
        addedKeys++;
    }
    for (Map.Entry<Long, Integer> keyIndexEntry : keyIndexMap.entrySet()) {
        OSBTreeBonsaiBucket.SBTreeEntry<Long, OIdentifiable> entry = treeBucket.getEntry(keyIndexEntry.getValue());
        Assert.assertEquals(entry, new OSBTreeBonsaiBucket.SBTreeEntry<Long, OIdentifiable>(OBonsaiBucketPointer.NULL, OBonsaiBucketPointer.NULL, keyIndexEntry.getKey(), new ORecordId(keyIndexEntry.getValue(), keyIndexEntry.getValue())));
    }
    Assert.assertEquals(treeBucket.size(), originalSize);
    Assert.assertEquals(addedKeys, keysToAdd);
    cacheEntry.releaseExclusiveLock();
    cachePointer.decrementReferrer();
}

Example 77 with OByteBufferPool

use of com.orientechnologies.common.directmemory.OByteBufferPool 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 78 with OByteBufferPool

use of com.orientechnologies.common.directmemory.OByteBufferPool 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();
}