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

Example 76 with OCacheEntry

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

the class OClusterPositionMap method remove.

public OClusterPositionMapBucket.PositionEntry remove(final long clusterPosition) throws IOException {
    startOperation();
    try {
        OAtomicOperation atomicOperation = startAtomicOperation(true);
        acquireExclusiveLock();
        try {
            long pageIndex = clusterPosition / OClusterPositionMapBucket.MAX_ENTRIES;
            int index = (int) (clusterPosition % OClusterPositionMapBucket.MAX_ENTRIES);
            Exception exception = null;
            final OCacheEntry cacheEntry = loadPage(atomicOperation, fileId, pageIndex, false, 1);
            cacheEntry.acquireExclusiveLock();
            try {
                final OClusterPositionMapBucket bucket = new OClusterPositionMapBucket(cacheEntry, getChanges(atomicOperation, cacheEntry));
                return bucket.remove(index);
            } catch (Exception e) {
                exception = e;
                throw OException.wrapException(new OClusterPositionMapException("Error during removal of mapping between logical and physical record position", this), e);
            } finally {
                try {
                    cacheEntry.releaseExclusiveLock();
                    releasePage(atomicOperation, cacheEntry);
                } finally {
                    endAtomicOperation(exception != null, exception);
                }
            }
        } finally {
            releaseExclusiveLock();
        }
    } finally {
        completeOperation();
    }
}

Example 77 with OCacheEntry

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

the class OClusterPositionMap method update.

public void update(final long clusterPosition, final OClusterPositionMapBucket.PositionEntry entry) throws IOException {
    startOperation();
    try {
        OAtomicOperation atomicOperation = startAtomicOperation(true);
        acquireExclusiveLock();
        try {
            final long pageIndex = clusterPosition / OClusterPositionMapBucket.MAX_ENTRIES;
            final int index = (int) (clusterPosition % OClusterPositionMapBucket.MAX_ENTRIES);
            if (pageIndex >= getFilledUpTo(atomicOperation, fileId))
                throw new OClusterPositionMapException("Passed in cluster position " + clusterPosition + " is outside of range of cluster-position map", this);
            final OCacheEntry cacheEntry = loadPage(atomicOperation, fileId, pageIndex, false, 1);
            cacheEntry.acquireExclusiveLock();
            try {
                final OClusterPositionMapBucket bucket = new OClusterPositionMapBucket(cacheEntry, getChanges(atomicOperation, cacheEntry));
                bucket.set(index, entry);
            } finally {
                cacheEntry.releaseExclusiveLock();
                releasePage(atomicOperation, cacheEntry);
            }
            endAtomicOperation(false, null);
        } catch (IOException e) {
            endAtomicOperation(true, e);
            throw OException.wrapException(new OClusterPositionMapException("Error of update of mapping between logical and physical record position", this), e);
        } catch (RuntimeException e) {
            endAtomicOperation(true, e);
            throw OException.wrapException(new OClusterPositionMapException("Error of update of mapping between logical and physical record position", this), e);
        } finally {
            releaseExclusiveLock();
        }
    } finally {
        completeOperation();
    }
}

Example 78 with OCacheEntry

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

the class LRUListTest method testAddOneRemoveLRU.

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

Example 79 with OCacheEntry

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

Example 80 with OCacheEntry

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

the class OSBTreeBonsaiLeafBucketTest 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 * OSBTreeBonsaiBucket.MAX_BUCKET_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);
    cachePointer.incrementReferrer();
    OCacheEntry cacheEntry = new OCacheEntry(0, 0, cachePointer, false);
    cacheEntry.acquireExclusiveLock();
    OSBTreeBonsaiBucket<Long, OIdentifiable> treeBucket = new OSBTreeBonsaiBucket<Long, OIdentifiable>(cacheEntry, 0, true, OLongSerializer.INSTANCE, OLinkSerializer.INSTANCE, null, null);
    int index = 0;
    Map<Long, Integer> keyIndexMap = new HashMap<Long, Integer>();
    for (Long key : keys) {
        if (!treeBucket.addEntry(index, new OSBTreeBonsaiBucket.SBTreeEntry<Long, OIdentifiable>(OBonsaiBucketPointer.NULL, OBonsaiBucketPointer.NULL, key, 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();
}