Package com.orientechnologies.orient.core.index.hashindex.local.cache

Examples of com.orientechnologies.orient.core.index.hashindex.local.cache.OCacheEntry.acquireExclusiveLock()

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              BucketSearchResult bucketSearchResult = splitBucket(path.subList(0, path.size() - 1), insertionIndex, separationKey);

              parentBucketPointer = bucketSearchResult.getLastPathItem();
              parentCacheEntry = diskCache.load(fileId, parentBucketPointer.getPageIndex(), false);

              parentCacheEntry.acquireExclusiveLock();

              insertionIndex = bucketSearchResult.itemIndex;

              parentBucket = new OSBTreeBonsaiBucket<K, V>(parentCacheEntry, parentBucketPointer.getPageOffset(), keySerializer,
                  valueSerializer, getTrackMode());
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        } finally {
          leftBucketEntry.releaseExclusiveLock();
          diskCache.release(leftBucketEntry);
        }

        rightBucketEntry.acquireExclusiveLock();
        try {
          OSBTreeBonsaiBucket<K, V> newRightBucket = new OSBTreeBonsaiBucket<K, V>(rightBucketEntry,
              rightBucketPointer.getPageOffset(), splitLeaf, keySerializer, valueSerializer, getTrackMode());
          newRightBucket.addAll(rightEntries);
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    }
  }

  private void initSysBucket() throws IOException {
    final OCacheEntry sysCacheEntry = diskCache.load(fileId, SYS_BUCKET.getPageIndex(), false);
    sysCacheEntry.acquireExclusiveLock();
    try {
      final OSysBucket sysBucket = new OSysBucket(sysCacheEntry, getTrackMode());
      if (sysBucket.isInitialized()) {
        super.startAtomicOperation();
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    }
  }

  private AllocationResult allocateBucket() throws IOException {
    final OCacheEntry sysCacheEntry = diskCache.load(fileId, SYS_BUCKET.getPageIndex(), false);
    sysCacheEntry.acquireExclusiveLock();
    try {
      final OSysBucket sysBucket = new OSysBucket(sysCacheEntry, getTrackMode());
      if ((1.0 * sysBucket.freeListLength())
          / (diskCache.getFilledUpTo(fileId) * PAGE_SIZE / OSBTreeBonsaiBucket.MAX_BUCKET_SIZE_BYTES) >= freeSpaceReuseTrigger) {
        final AllocationResult allocationResult = reuseBucketFromFreeList(sysBucket);
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  private AllocationResult reuseBucketFromFreeList(OSysBucket sysBucket) throws IOException {
    final OBonsaiBucketPointer oldFreeListHead = sysBucket.getFreeListHead();
    assert oldFreeListHead.isValid();

    OCacheEntry cacheEntry = diskCache.load(fileId, oldFreeListHead.getPageIndex(), false);
    cacheEntry.acquireExclusiveLock();
    try {
      final OSBTreeBonsaiBucket<K, V> bucket = new OSBTreeBonsaiBucket<K, V>(cacheEntry, oldFreeListHead.getPageOffset(),
          keySerializer, valueSerializer, getTrackMode());

      sysBucket.setFreeListHead(bucket.getFreeListPointer());
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              if (prevPageRecordPointer >= 0) {
                long prevPageIndex = prevPageRecordPointer >>> PAGE_INDEX_OFFSET;
                int prevPageRecordPosition = (int) (prevPageRecordPointer & RECORD_POSITION_MASK);

                final OCacheEntry prevPageCacheEntry = diskCache.load(fileId, prevPageIndex, false);
                prevPageCacheEntry.acquireExclusiveLock();
                try {
                  final OClusterPage prevPage = new OClusterPage(prevPageCacheEntry, false, ODurablePage.TrackMode.FULL);
                  prevPage.setRecordLongValue(prevPageRecordPosition, -OLongSerializer.LONG_SIZE, addedPagePointer);

                  logPageChanges(prevPage, fileId, prevPageIndex, false);
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        long nextPagePointer = -1;
        int removedContentSize = 0;
        do {
          final OCacheEntry cacheEntry = diskCache.load(fileId, pageIndex, false);
          cacheEntry.acquireExclusiveLock();
          int initialFreePageIndex;
          try {
            final OClusterPage localPage = new OClusterPage(cacheEntry, false, trackMode);
            initialFreePageIndex = calculateFreePageIndex(localPage);
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            recordPosition = (int) (pagePointer & RECORD_POSITION_MASK);
            pageIndex = pagePointer >>> PAGE_INDEX_OFFSET;

            int freePageIndex;
            final OCacheEntry cacheEntry = diskCache.load(fileId, pageIndex, false);
            cacheEntry.acquireExclusiveLock();
            try {
              final OClusterPage localPage = new OClusterPage(cacheEntry, false, trackMode);
              int freeSpace = localPage.getFreeSpace();
              freePageIndex = calculateFreePageIndex(localPage);
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            if (!expectedDiskCache.isOpen(fileId))
              expectedDiskCache.openFile(fileId);

            final OCacheEntry cacheEntry = expectedDiskCache.load(fileId, pageIndex, true);
            cacheEntry.acquireExclusiveLock();
            try {
              ODurablePage durablePage = new ODurablePage(cacheEntry, ODurablePage.TrackMode.NONE);
              durablePage.restoreChanges(updatePageRecord.getChanges());
              durablePage.setLsn(updatePageRecord.getLsn());
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      final long pageIndex = getPageIndex(bucketPointer);
      final int fileLevel = getFileLevel(bucketPointer);

      final OCacheEntry cacheEntry = loadPageEntry(pageIndex, fileLevel);
      cacheEntry.acquireExclusiveLock();
      try {
        final OHashIndexBucket<K, V> bucket = new OHashIndexBucket<K, V>(cacheEntry, keySerializer, valueSerializer, keyTypes,
            getTrackMode());
        final int index = bucket.getIndex(hashCode, key);
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