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

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

        long newBuddyIndex = buddyBucket.getSplitHistory(newBuddyLevel);


        metadataPage.setBucketsCount(buddyLevel, metadataPage.getBucketsCount(buddyLevel) + 1);


        final OCacheEntry newBuddyCacheEntry = loadPageEntry(newBuddyIndex, newBuddyLevel);
        newBuddyCacheEntry.acquireExclusiveLock();
        try {
          final OHashIndexBucket<K, V> newBuddyBucket = new OHashIndexBucket<K, V>(bucketDepth - 1, newBuddyCacheEntry,
              keySerializer, valueSerializer, keyTypes, getTrackMode());


          for (OHashIndexBucket.Entry<K, V> entry : buddyBucket)

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      } else {
        cacheEntry = diskCache.load(nullBucketFileId, 0, false);
        isNew = false;
      }


      cacheEntry.acquireExclusiveLock();
      try {
        ONullBucket<V> nullBucket = new ONullBucket<V>(cacheEntry, getTrackMode(), valueSerializer, isNew);
        if (nullBucket.getValue() != null)
          sizeDiff--;

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        nullBucketFileId = diskCache.openFile(name + nullFileExtension);


      initDurableComponent(storageLocal);


      OCacheEntry rootCacheEntry = diskCache.load(fileId, ROOT_INDEX, false);
      rootCacheEntry.acquireExclusiveLock();
      try {
        super.startAtomicOperation();


        OSBTreeBucket<K, V> rootBucket = new OSBTreeBucket<K, V>(rootCacheEntry, true, keySerializer, keyTypes, valueSerializer,
            getTrackMode());

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          final OSBTreeValue<V> treeValue = new OSBTreeValue<V>(createLinkToTheValue, valueLink, createLinkToTheValue ? null
              : value);
          BucketSearchResult bucketSearchResult = findBucket(key);


          OCacheEntry keyBucketCacheEntry = diskCache.load(fileId, bucketSearchResult.getLastPathItem(), false);
          keyBucketCacheEntry.acquireExclusiveLock();
          OSBTreeBucket<K, V> keyBucket = new OSBTreeBucket<K, V>(keyBucketCacheEntry, keySerializer, keyTypes, valueSerializer,
              getTrackMode());


          int insertionIndex;
          int sizeDiff;

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            bucketSearchResult = splitBucket(bucketSearchResult.path, insertionIndex, key);


            insertionIndex = bucketSearchResult.itemIndex;


            keyBucketCacheEntry = diskCache.load(fileId, bucketSearchResult.getLastPathItem(), false);
            keyBucketCacheEntry.acquireExclusiveLock();


            keyBucket = new OSBTreeBucket<K, V>(keyBucketCacheEntry, keySerializer, keyTypes, valueSerializer, getTrackMode());
          }


          logPageChanges(keyBucket, fileId, bucketSearchResult.getLastPathItem(), false);

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          final OSBTreeValue<V> treeValue = new OSBTreeValue<V>(createLinkToTheValue, valueLink, createLinkToTheValue ? null
              : value);


          int sizeDiff = 0;


          cacheEntry.acquireExclusiveLock();
          try {
            final ONullBucket<V> nullBucket = new ONullBucket<V>(cacheEntry, getTrackMode(), valueSerializer, isNew);


            if (nullBucket.getValue() != null)
              sizeDiff = -1;

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      if (nullPointerSupport)
        diskCache.truncateFile(nullBucketFileId);


      OCacheEntry cacheEntry = diskCache.load(fileId, ROOT_INDEX, false);
      cacheEntry.acquireExclusiveLock();
      try {
        OSBTreeBucket<K, V> rootBucket = new OSBTreeBucket<K, V>(cacheEntry, true, keySerializer, keyTypes, valueSerializer,
            getTrackMode());


        rootBucket.setTreeSize(0);

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        BucketSearchResult bucketSearchResult = findBucket(key);
        if (bucketSearchResult.itemIndex < 0)
          return null;


        OCacheEntry keyBucketCacheEntry = diskCache.load(fileId, bucketSearchResult.getLastPathItem(), false);
        keyBucketCacheEntry.acquireExclusiveLock();
        try {
          startAtomicOperation();


          OSBTreeBucket<K, V> keyBucket = new OSBTreeBucket<K, V>(keyBucketCacheEntry, keySerializer, keyTypes, valueSerializer,
              getTrackMode());

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        startAtomicOperation();
        try {
          V removedValue = null;


          OCacheEntry nullCacheEntry = diskCache.load(nullBucketFileId, 0, false);
          nullCacheEntry.acquireExclusiveLock();
          try {
            ONullBucket<V> nullBucket = new ONullBucket<V>(nullCacheEntry, getTrackMode(), valueSerializer, false);
            OSBTreeValue<V> treeValue = nullBucket.getValue();
            if (treeValue == null)
              return null;

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  }


  private void removeValuePage(long pageIndex) throws IOException {
    long prevFreeListItem;
    OCacheEntry rootCacheEntry = diskCache.load(fileId, ROOT_INDEX, false);
    rootCacheEntry.acquireExclusiveLock();
    OSBTreeBucket<K, V> rootBucket = new OSBTreeBucket<K, V>(rootCacheEntry, keySerializer, keyTypes, valueSerializer,
        getTrackMode());
    try {
      prevFreeListItem = rootBucket.getValuesFreeListFirstIndex();
      rootBucket.setValuesFreeListFirstIndex(pageIndex);

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