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

Example 16 with OByteBufferPool

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

the class SBTreeValuePageTest method testFreeListPointer.

public void testFreeListPointer() 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();
    OSBTreeValuePage valuePage = new OSBTreeValuePage(cacheEntry, null, true);
    valuePage.setNextFreeListPage(124);
    Assert.assertEquals(valuePage.getNextFreeListPage(), 124);
    cacheEntry.releaseExclusiveLock();
    cachePointer.decrementReferrer();
}

Example 17 with OByteBufferPool

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

the class ONullBucketTest method testAddRemoveValue.

public void testAddRemoveValue() 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);
    cacheEntry.releaseExclusiveLock();
    cachePointer.decrementReferrer();
}

Example 18 with OByteBufferPool

use of com.orientechnologies.common.directmemory.OByteBufferPool 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 19 with OByteBufferPool

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

Example 20 with OByteBufferPool

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