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

Example 11 with OByteBufferPool

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

the class LRUListTest method testAddThree.

@Test
public void testAddThree() {
    final OByteBufferPool bufferPool = new OByteBufferPool(1);
    ByteBuffer bufferOne = bufferPool.acquireDirect(true);
    ByteBuffer bufferTwo = bufferPool.acquireDirect(true);
    ByteBuffer bufferThree = bufferPool.acquireDirect(true);
    OCachePointer cachePointerOne = new OCachePointer(bufferOne, bufferPool, new OLogSequenceNumber(0, 0), 0, 0);
    OCachePointer cachePointerTwo = new OCachePointer(bufferTwo, bufferPool, new OLogSequenceNumber(0, 0), 0, 0);
    OCachePointer cachePointerThree = new OCachePointer(bufferThree, bufferPool, new OLogSequenceNumber(0, 0), 0, 0);
    lruList.putToMRU(new OCacheEntry(1, 10, cachePointerOne, false));
    lruList.putToMRU(new OCacheEntry(1, 20, cachePointerTwo, false));
    lruList.putToMRU(new OCacheEntry(3, 30, cachePointerThree, false));
    Assert.assertEquals(lruList.size(), 3);
    Iterator<OCacheEntry> entryIterator = lruList.iterator();
    Assert.assertTrue(entryIterator.hasNext());
    Assert.assertEquals(entryIterator.next(), new OCacheEntry(3, 30, cachePointerThree, false));
    Assert.assertEquals(entryIterator.next(), new OCacheEntry(1, 20, cachePointerTwo, false));
    Assert.assertEquals(entryIterator.next(), new OCacheEntry(1, 10, cachePointerOne, false));
}

Example 12 with OByteBufferPool

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

the class LRUListTest method testAdd9128.

@Test
public void testAdd9128() {
    final OByteBufferPool bufferPool = new OByteBufferPool(1);
    OCachePointer[] cachePointers = new OCachePointer[9128];
    for (int i = 0; i < 9128; i++) {
        ByteBuffer buffer = bufferPool.acquireDirect(true);
        cachePointers[i] = new OCachePointer(buffer, bufferPool, new OLogSequenceNumber(0, 0), 0, 0);
        lruList.putToMRU(new OCacheEntry(1, i * 10, cachePointers[i], false));
    }
    Assert.assertEquals(lruList.size(), 9128);
    Iterator<OCacheEntry> entryIterator = lruList.iterator();
    for (int i = 9127; i >= 0; i--) {
        Assert.assertTrue(entryIterator.hasNext());
        Assert.assertEquals(entryIterator.next(), new OCacheEntry(1, i * 10, cachePointers[i], false));
    }
}

Example 13 with OByteBufferPool

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

the class OSBTreeBonsaiLeafBucketTest method testSearch.

public void testSearch() throws Exception {
    long seed = System.currentTimeMillis();
    System.out.println("testSearch 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;
    Map<Long, Integer> keyIndexMap = new HashMap<Long, Integer>();
    for (Long key : keys) {
        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++;
    }
    Assert.assertEquals(treeBucket.size(), keyIndexMap.size());
    for (Map.Entry<Long, Integer> keyIndexEntry : keyIndexMap.entrySet()) {
        int bucketIndex = treeBucket.find(keyIndexEntry.getKey());
        Assert.assertEquals(bucketIndex, (int) keyIndexEntry.getValue());
    }
    cacheEntry.releaseExclusiveLock();
    cachePointer.decrementReferrer();
}

Example 14 with OByteBufferPool

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

the class OSBTreeBonsaiLeafBucketTest method testShrink.

public void testShrink() throws Exception {
    long seed = System.currentTimeMillis();
    System.out.println("testShrink 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);
    OCacheEntry cacheEntry = new OCacheEntry(0, 0, cachePointer, false);
    cacheEntry.acquireExclusiveLock();
    cachePointer.incrementReferrer();
    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();
    treeBucket.shrink(treeBucket.size() / 2);
    Assert.assertEquals(treeBucket.size(), index / 2);
    index = 0;
    final Map<Long, Integer> keyIndexMap = new HashMap<Long, Integer>();
    Iterator<Long> keysIterator = keys.iterator();
    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 15 with OByteBufferPool

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

the class ONullBucketTest method testAddRemoveAddValue.

public void testAddRemoveAddValue() throws IOException {
    OByteBufferPool bufferPool = new OByteBufferPool(1024);
    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();
    ONullBucket<String> bucket = new ONullBucket<String>(cacheEntry, null, OStringSerializer.INSTANCE, true);
    bucket.setValue(new OSBTreeValue<String>(false, -1, "test"));
    bucket.removeValue();
    OSBTreeValue<String> treeValue = bucket.getValue();
    Assert.assertNull(treeValue);
    bucket.setValue(new OSBTreeValue<String>(false, -1, "testOne"));
    treeValue = bucket.getValue();
    Assert.assertEquals(treeValue.getValue(), "testOne");
    cacheEntry.releaseExclusiveLock();
    cachePointer.decrementReferrer();
}