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

Example 41 with OCachePointer

use of com.orientechnologies.orient.core.storage.cache.OCachePointer 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));
    }
}

Example 42 with OCachePointer

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

the class LRUListTest method testAddElevenPutMiddleToTopChangePointer.

@Test
public void testAddElevenPutMiddleToTopChangePointer() {
    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.putToMRU(new OCacheEntry(1, 50, cachePointers[5], false));
    Assert.assertEquals(lruList.size(), 11);
    Iterator<OCacheEntry> entryIterator = lruList.iterator();
    Assert.assertTrue(entryIterator.hasNext());
    Assert.assertEquals(entryIterator.next(), new OCacheEntry(1, 50, cachePointers[5], false));
    for (int i = 10; i >= 0; i--) {
        if (i == 5)
            continue;
        Assert.assertTrue(entryIterator.hasNext());
        Assert.assertEquals(entryIterator.next(), new OCacheEntry(1, i * 10, cachePointers[i], false));
    }
}

Example 43 with OCachePointer

use of com.orientechnologies.orient.core.storage.cache.OCachePointer 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 44 with OCachePointer

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

the class LRUListTest method testAddThreePutMiddleToTop.

@Test
public void testAddThreePutMiddleToTop() {
    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));
    lruList.putToMRU(new OCacheEntry(1, 20, cachePointerTwo, false));
    Assert.assertEquals(lruList.size(), 3);
    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(3, 30, cachePointerThree, false));
    Assert.assertEquals(entryIterator.next(), new OCacheEntry(1, 10, cachePointerOne, false));
}

Example 45 with OCachePointer

use of com.orientechnologies.orient.core.storage.cache.OCachePointer 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);
}