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

Example 26 with OCachePointer

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

the class SBTreeLeafBucketTest 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());
    }
    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();
    OSBTreeBucket<Long, OIdentifiable> treeBucket = new OSBTreeBucket<Long, OIdentifiable>(cacheEntry, true, 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>(-1, -1, key, new OSBTreeValue<OIdentifiable>(false, -1, 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 27 with OCachePointer

use of com.orientechnologies.orient.core.storage.cache.OCachePointer 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 28 with OCachePointer

use of com.orientechnologies.orient.core.storage.cache.OCachePointer 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 29 with OCachePointer

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

the class LRUListTest method testAddThreePutMiddleToTopChangePointer.

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

Example 30 with OCachePointer

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

the class LRUListTest method testSingleAdd.

@Test
public void testSingleAdd() {
    final OByteBufferPool bufferPool = new OByteBufferPool(1);
    final ByteBuffer buffer = bufferPool.acquireDirect(true);
    OCachePointer cachePointer = new OCachePointer(buffer, bufferPool, new OLogSequenceNumber(0, 0), 0, 0);
    lruList.putToMRU(new OCacheEntry(1, 10, cachePointer, false));
    Iterator<OCacheEntry> entryIterator = lruList.iterator();
    Assert.assertTrue(entryIterator.hasNext());
    Assert.assertEquals(entryIterator.next(), new OCacheEntry(1, 10, cachePointer, false));
}