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

Example 46 with OByteBufferPool

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

the class LRUListTest method testRemoveLRUShouldReturnNullIfAllRecordsAreUsed.

@Test
public void testRemoveLRUShouldReturnNullIfAllRecordsAreUsed() {
    final OByteBufferPool bufferPool = new OByteBufferPool(1);
    ByteBuffer buffer = bufferPool.acquireDirect(true);
    OCachePointer cachePointerOne = new OCachePointer(buffer, bufferPool, new OLogSequenceNumber(0, 0), 0, 0);
    OCacheEntry cacheEntry = new OCacheEntry(1, 10, cachePointerOne, false);
    lruList.putToMRU(cacheEntry);
    cacheEntry.incrementUsages();
    OCacheEntry removedLRU = lruList.removeLRU();
    Assert.assertNull(removedLRU);
}

Example 47 with OByteBufferPool

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

the class LRUListTest method testAddTwo.

@Test
public void testAddTwo() {
    final OByteBufferPool bufferPool = new OByteBufferPool(1);
    ByteBuffer bufferOne = bufferPool.acquireDirect(true);
    ByteBuffer bufferTwo = 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);
    lruList.putToMRU(new OCacheEntry(1, 10, cachePointerOne, false));
    lruList.putToMRU(new OCacheEntry(1, 20, cachePointerTwo, false));
    Assert.assertEquals(lruList.size(), 2);
    Iterator<OCacheEntry> entryIterator = lruList.iterator();
    Assert.assertTrue(entryIterator.hasNext());
    Assert.assertEquals(entryIterator.next(), new OCacheEntry(1, 20, cachePointerTwo, false));
    Assert.assertEquals(entryIterator.next(), new OCacheEntry(1, 10, cachePointerOne, false));
}

Example 48 with OByteBufferPool

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

the class LRUListTest method testAdd9128PutLastAndMiddleToTop.

@Test
public void testAdd9128PutLastAndMiddleToTop() {
    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));
    }
    lruList.putToMRU(new OCacheEntry(1, 0, cachePointers[0], false));
    lruList.putToMRU(new OCacheEntry(1, 4500 * 10, cachePointers[4500], false));
    Assert.assertEquals(lruList.size(), 9128);
    Iterator<OCacheEntry> entryIterator = lruList.iterator();
    Assert.assertTrue(entryIterator.hasNext());
    Assert.assertEquals(entryIterator.next(), new OCacheEntry(1, 4500 * 10, cachePointers[4500], false));
    Assert.assertEquals(entryIterator.next(), new OCacheEntry(1, 0, cachePointers[0], false));
    for (int i = 9127; i >= 1; i--) {
        if (i == 4500)
            continue;
        Assert.assertTrue(entryIterator.hasNext());
        Assert.assertEquals(entryIterator.next(), new OCacheEntry(1, i * 10, cachePointers[i], false));
    }
}

Example 49 with OByteBufferPool

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

the class LRUListTest method testAddElevenRemoveLRU.

@Test
public void testAddElevenRemoveLRU() {
    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));
    }
    lruList.removeLRU();
    Assert.assertEquals(lruList.size(), 10);
    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));
    }
}

Example 50 with OByteBufferPool

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

the class ONullBucketTest method testAddGetValue.

public void testAddGetValue() 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"));
    OSBTreeValue<String> treeValue = bucket.getValue();
    Assert.assertEquals(treeValue.getValue(), "test");
    cacheEntry.releaseExclusiveLock();
    cachePointer.decrementReferrer();
}