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

Example 41 with OByteBufferPool

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

the class SBTreeNonLeafBucketTest method testInitialization.

public void testInitialization() throws Exception {
    final OByteBufferPool bufferPool = OByteBufferPool.instance();
    final 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();
    OSBTreeBucket<Long, OIdentifiable> treeBucket = new OSBTreeBucket<Long, OIdentifiable>(cacheEntry, false, OLongSerializer.INSTANCE, null, OLinkSerializer.INSTANCE, null);
    Assert.assertEquals(treeBucket.size(), 0);
    Assert.assertFalse(treeBucket.isLeaf());
    treeBucket = new OSBTreeBucket<Long, OIdentifiable>(cacheEntry, OLongSerializer.INSTANCE, null, OLinkSerializer.INSTANCE, null);
    Assert.assertEquals(treeBucket.size(), 0);
    Assert.assertFalse(treeBucket.isLeaf());
    Assert.assertEquals(treeBucket.getLeftSibling(), -1);
    Assert.assertEquals(treeBucket.getRightSibling(), -1);
    cacheEntry.releaseExclusiveLock();
    cachePointer.decrementReferrer();
}

Example 42 with OByteBufferPool

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

the class SBTreeNonLeafBucketTest 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 * OSBTreeBucket.MAX_PAGE_SIZE_BYTES / OLongSerializer.LONG_SIZE) {
        keys.add(random.nextLong());
    }
    final OByteBufferPool bufferPool = OByteBufferPool.instance();
    final 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();
    OSBTreeBucket<Long, OIdentifiable> treeBucket = new OSBTreeBucket<Long, OIdentifiable>(cacheEntry, false, OLongSerializer.INSTANCE, null, OLinkSerializer.INSTANCE, null);
    int index = 0;
    Map<Long, Integer> keyIndexMap = new HashMap<Long, Integer>();
    for (Long key : keys) {
        if (!treeBucket.addEntry(index, new OSBTreeBucket.SBTreeEntry<Long, OIdentifiable>(random.nextInt(Integer.MAX_VALUE), random.nextInt(Integer.MAX_VALUE), key, null), 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());
    }
    long prevRight = -1;
    for (int i = 0; i < treeBucket.size(); i++) {
        OSBTreeBucket.SBTreeEntry<Long, OIdentifiable> entry = treeBucket.getEntry(i);
        if (prevRight > 0)
            Assert.assertEquals(entry.leftChild, prevRight);
        prevRight = entry.rightChild;
    }
    long prevLeft = -1;
    for (int i = treeBucket.size() - 1; i >= 0; i--) {
        OSBTreeBucket.SBTreeEntry<Long, OIdentifiable> entry = treeBucket.getEntry(i);
        if (prevLeft > 0)
            Assert.assertEquals(entry.rightChild, prevLeft);
        prevLeft = entry.leftChild;
    }
    cacheEntry.releaseExclusiveLock();
    cachePointer.decrementReferrer();
}

Example 43 with OByteBufferPool

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

the class SBTreeValuePageTest method fillPageDataTest.

public void fillPageDataTest() throws Exception {
    OByteBufferPool bufferPool = OByteBufferPool.instance();
    ByteBuffer bufferOne = bufferPool.acquireDirect(true);
    OCachePointer cachePointerOne = new OCachePointer(bufferOne, bufferPool, new OLogSequenceNumber(0, 0), 0, 0);
    cachePointerOne.incrementReferrer();
    OCacheEntry cacheEntryOne = new OCacheEntry(0, 0, cachePointerOne, false);
    cacheEntryOne.acquireExclusiveLock();
    OSBTreeValuePage valuePageOne = new OSBTreeValuePage(cacheEntryOne, null, true);
    byte[] data = new byte[ODurablePage.MAX_PAGE_SIZE_BYTES + 100];
    Random random = new Random();
    random.nextBytes(data);
    int offset = valuePageOne.fillBinaryContent(data, 0);
    Assert.assertEquals(offset, OSBTreeValuePage.MAX_BINARY_VALUE_SIZE);
    ByteBuffer bufferTwo = bufferPool.acquireDirect(true);
    OCachePointer cachePointerTwo = new OCachePointer(bufferTwo, bufferPool, new OLogSequenceNumber(0, 0), 0, 0);
    cachePointerTwo.incrementReferrer();
    OCacheEntry cacheEntryTwo = new OCacheEntry(0, 0, cachePointerTwo, false);
    cacheEntryTwo.acquireExclusiveLock();
    OSBTreeValuePage valuePageTwo = new OSBTreeValuePage(cacheEntryTwo, null, true);
    offset = valuePageTwo.fillBinaryContent(data, offset);
    Assert.assertEquals(offset, data.length);
    valuePageOne.setNextPage(100);
    Assert.assertEquals(valuePageOne.getNextPage(), 100);
    byte[] readData = new byte[data.length];
    offset = valuePageOne.readBinaryContent(readData, 0);
    Assert.assertEquals(offset, OSBTreeValuePage.MAX_BINARY_VALUE_SIZE);
    offset = valuePageTwo.readBinaryContent(readData, offset);
    Assert.assertEquals(offset, data.length);
    Assert.assertEquals(data, readData);
    cacheEntryOne.releaseExclusiveLock();
    cacheEntryTwo.releaseExclusiveLock();
    cachePointerOne.decrementReferrer();
    cachePointerTwo.decrementReferrer();
}

Example 44 with OByteBufferPool

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

the class LRUListTest method testAdd9128Remove4564.

@Test
public void testAdd9128Remove4564() {
    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));
    }
    for (int i = 4564; i < 9128; i++) Assert.assertEquals(lruList.remove(1, i * 10), new OCacheEntry(1, i * 10, cachePointers[i], false));
    Assert.assertEquals(lruList.size(), 4564);
    Iterator<OCacheEntry> entryIterator = lruList.iterator();
    for (int i = 4563; i >= 0; i--) {
        Assert.assertTrue(entryIterator.hasNext());
        Assert.assertEquals(entryIterator.next(), new OCacheEntry(1, i * 10, cachePointers[i], false));
    }
}

Example 45 with OByteBufferPool

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

the class LRUListTest method testAddElevenGetMiddle.

@Test
public void testAddElevenGetMiddle() {
    final OByteBufferPool bufferPool = new OByteBufferPool(1);
    OCachePointer[] cachePointers = new OCachePointer[11];
    for (int i = 0; i < 11; 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.assertTrue(lruList.contains(1, 50));
    Assert.assertEquals(lruList.get(1, 50), new OCacheEntry(1, 50, cachePointers[5], false));
    Assert.assertFalse(lruList.contains(2, 50));
    Assert.assertEquals(lruList.size(), 11);
    Iterator<OCacheEntry> entryIterator = lruList.iterator();
    for (int i = 10; i >= 0; i--) {
        Assert.assertTrue(entryIterator.hasNext());
        Assert.assertEquals(entryIterator.next(), new OCacheEntry(1, i * 10, cachePointers[i], false));
    }
}