Examples with OAtomicOperation com.orientechnologies.orient.core.storage.impl.local.paginated.atomicoperations.OAtomicOperation used on opensource projects

Example 26 with OAtomicOperation

use of com.orientechnologies.orient.core.storage.impl.local.paginated.atomicoperations.OAtomicOperation in project orientdb by orientechnologies.

the class OSBTree method delete.

public void delete() {
    startOperation();
    try {
        final OAtomicOperation atomicOperation;
        try {
            atomicOperation = startAtomicOperation(false);
        } catch (IOException e) {
            throw OException.wrapException(new OSBTreeException("Error during sbtree deletion", this), e);
        }
        acquireExclusiveLock();
        try {
            deleteFile(atomicOperation, fileId);
            if (nullPointerSupport)
                deleteFile(atomicOperation, nullBucketFileId);
            endAtomicOperation(false, null);
        } catch (IOException e) {
            rollback(e);
            throw OException.wrapException(new OSBTreeException("Error during delete of sbtree with name " + getName(), this), e);
        } catch (Exception e) {
            rollback(e);
            throw OException.wrapException(new OSBTreeException("Error during delete of sbtree with name " + getName(), this), e);
        } finally {
            releaseExclusiveLock();
        }
    } finally {
        completeOperation();
    }
}

Example 27 with OAtomicOperation

use of com.orientechnologies.orient.core.storage.impl.local.paginated.atomicoperations.OAtomicOperation in project orientdb by orientechnologies.

the class OSBTree method iterateEntriesBetween.

public OSBTreeCursor<K, V> iterateEntriesBetween(K keyFrom, boolean fromInclusive, K keyTo, boolean toInclusive, boolean ascSortOrder) {
    final OSessionStoragePerformanceStatistic statistic = performanceStatisticManager.getSessionPerformanceStatistic();
    startOperation();
    if (statistic != null)
        statistic.startIndexEntryReadTimer();
    try {
        atomicOperationsManager.acquireReadLock(this);
        try {
            acquireSharedLock();
            try {
                OAtomicOperation atomicOperation = atomicOperationsManager.getCurrentOperation();
                if (ascSortOrder)
                    return iterateEntriesBetweenAscOrder(keyFrom, fromInclusive, keyTo, toInclusive, atomicOperation);
                else
                    return iterateEntriesBetweenDescOrder(keyFrom, fromInclusive, keyTo, toInclusive, atomicOperation);
            } finally {
                releaseSharedLock();
            }
        } catch (IOException ioe) {
            throw OException.wrapException(new OSBTreeException("Error during fetch of values between key " + keyFrom + " and key " + keyTo + " in sbtree " + getName(), this), ioe);
        } finally {
            atomicOperationsManager.releaseReadLock(this);
        }
    } finally {
        if (statistic != null)
            statistic.stopIndexEntryReadTimer();
        completeOperation();
    }
}

Example 28 with OAtomicOperation

use of com.orientechnologies.orient.core.storage.impl.local.paginated.atomicoperations.OAtomicOperation in project orientdb by orientechnologies.

the class OLocalHashTable method lowerEntries.

@Override
public OHashIndexBucket.Entry<K, V>[] lowerEntries(K key) {
    startOperation();
    try {
        atomicOperationsManager.acquireReadLock(this);
        try {
            acquireSharedLock();
            try {
                key = keySerializer.preprocess(key, (Object[]) keyTypes);
                final long hashCode = keyHashFunction.hashCode(key);
                OHashTable.BucketPath bucketPath = getBucket(hashCode);
                long bucketPointer = directory.getNodePointer(bucketPath.nodeIndex, bucketPath.itemIndex + bucketPath.hashMapOffset);
                long pageIndex = getPageIndex(bucketPointer);
                OAtomicOperation atomicOperation = atomicOperationsManager.getCurrentOperation();
                OCacheEntry cacheEntry = loadPage(atomicOperation, fileId, pageIndex, false);
                cacheEntry.acquireSharedLock();
                try {
                    OHashIndexBucket<K, V> bucket = new OHashIndexBucket<K, V>(cacheEntry, keySerializer, valueSerializer, keyTypes, getChanges(atomicOperation, cacheEntry));
                    while (bucket.size() == 0 || comparator.compare(bucket.getKey(0), key) >= 0) {
                        final OHashTable.BucketPath prevBucketPath = prevBucketToFind(bucketPath, bucket.getDepth());
                        if (prevBucketPath == null)
                            return OCommonConst.EMPTY_BUCKET_ENTRY_ARRAY;
                        cacheEntry.releaseSharedLock();
                        releasePage(atomicOperation, cacheEntry);
                        final long prevPointer = directory.getNodePointer(prevBucketPath.nodeIndex, prevBucketPath.itemIndex + prevBucketPath.hashMapOffset);
                        pageIndex = getPageIndex(prevPointer);
                        cacheEntry = loadPage(atomicOperation, fileId, pageIndex, false);
                        cacheEntry.acquireSharedLock();
                        bucket = new OHashIndexBucket<K, V>(cacheEntry, keySerializer, valueSerializer, keyTypes, getChanges(atomicOperation, cacheEntry));
                        bucketPath = prevBucketPath;
                    }
                    final int startIndex = 0;
                    final int index = bucket.getIndex(hashCode, key);
                    final int endIndex;
                    if (index >= 0)
                        endIndex = index;
                    else
                        endIndex = -index - 1;
                    return convertBucketToEntries(bucket, startIndex, endIndex);
                } finally {
                    cacheEntry.releaseSharedLock();
                    releasePage(atomicOperation, cacheEntry);
                }
            } finally {
                releaseSharedLock();
            }
        } catch (IOException ioe) {
            throw OException.wrapException(new OLocalHashTableException("Exception during data read", this), ioe);
        } finally {
            atomicOperationsManager.releaseReadLock(this);
        }
    } finally {
        completeOperation();
    }
}

Example 29 with OAtomicOperation

use of com.orientechnologies.orient.core.storage.impl.local.paginated.atomicoperations.OAtomicOperation in project orientdb by orientechnologies.

the class OLocalHashTable method size.

@Override
public long size() {
    startOperation();
    try {
        atomicOperationsManager.acquireReadLock(this);
        try {
            acquireSharedLock();
            try {
                final OAtomicOperation atomicOperation = atomicOperationsManager.getCurrentOperation();
                final OCacheEntry hashStateEntry = loadPage(atomicOperation, fileStateId, hashStateEntryIndex, true);
                hashStateEntry.acquireSharedLock();
                try {
                    OHashIndexFileLevelMetadataPage metadataPage = new OHashIndexFileLevelMetadataPage(hashStateEntry, getChanges(atomicOperation, hashStateEntry), false);
                    return metadataPage.getRecordsCount();
                } finally {
                    hashStateEntry.releaseSharedLock();
                    releasePage(atomicOperation, hashStateEntry);
                }
            } finally {
                releaseSharedLock();
            }
        } catch (IOException e) {
            throw OException.wrapException(new OLocalHashTableException("Error during index size request", this), e);
        } finally {
            atomicOperationsManager.releaseReadLock(this);
        }
    } finally {
        completeOperation();
    }
}

Example 30 with OAtomicOperation

use of com.orientechnologies.orient.core.storage.impl.local.paginated.atomicoperations.OAtomicOperation in project orientdb by orientechnologies.

the class OLocalHashTable20 method size.

@Override
public long size() {
    atomicOperationsManager.acquireReadLock(this);
    try {
        acquireSharedLock();
        try {
            final OAtomicOperation atomicOperation = atomicOperationsManager.getCurrentOperation();
            final OCacheEntry hashStateEntry = loadPage(atomicOperation, fileStateId, hashStateEntryIndex, true);
            try {
                OHashIndexFileLevelMetadataPage metadataPage = new OHashIndexFileLevelMetadataPage(hashStateEntry, getChanges(atomicOperation, hashStateEntry), false);
                return metadataPage.getRecordsCount();
            } finally {
                releasePage(atomicOperation, hashStateEntry);
            }
        } finally {
            releaseSharedLock();
        }
    } catch (IOException e) {
        throw OException.wrapException(new OIndexException("Error during index size request"), e);
    } finally {
        atomicOperationsManager.releaseReadLock(this);
    }
}