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

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

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  }

  public void testAddGetValue() throws IOException {
    ODirectMemoryPointer pointer = new ODirectMemoryPointer(1024);
    OCachePointer cachePointer = new OCachePointer(pointer, new OLogSequenceNumber(0, 0));
    OCacheEntry cacheEntry = new OCacheEntry(0, 0, cachePointer, false);

    ONullBucket<String> bucket = new ONullBucket<String>(cacheEntry, ODurablePage.TrackMode.NONE, OStringSerializer.INSTANCE, true);

    bucket.setValue(new OSBTreeValue<String>(false, -1, "test"));
    OSBTreeValue<String> treeValue = bucket.getValue();
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  }

  public void testAddRemoveValue() throws IOException {
    ODirectMemoryPointer pointer = new ODirectMemoryPointer(1024);
    OCachePointer cachePointer = new OCachePointer(pointer, new OLogSequenceNumber(0, 0));
    OCacheEntry cacheEntry = new OCacheEntry(0, 0, cachePointer, false);

    ONullBucket<String> bucket = new ONullBucket<String>(cacheEntry, ODurablePage.TrackMode.NONE, OStringSerializer.INSTANCE, true);

    bucket.setValue(new OSBTreeValue<String>(false, -1, "test"));
    bucket.removeValue();
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  }

  public void testAddRemoveAddValue() throws IOException {
    ODirectMemoryPointer pointer = new ODirectMemoryPointer(1024);
    OCachePointer cachePointer = new OCachePointer(pointer, new OLogSequenceNumber(0, 0));
    OCacheEntry cacheEntry = new OCacheEntry(0, 0, cachePointer, false);

    ONullBucket<String> bucket = new ONullBucket<String>(cacheEntry, ODurablePage.TrackMode.NONE, OStringSerializer.INSTANCE, true);

    bucket.setValue(new OSBTreeValue<String>(false, -1, "test"));
    bucket.removeValue();
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          final long pageIndex = updatePageRecord.getPageIndex();

          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());

            cacheEntry.markDirty();
          } finally {
            cacheEntry.releaseExclusiveLock();
            expectedDiskCache.release(cacheEntry);
          }
        }
        atomicUnit.clear();
      } else {
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      if (key == null) {
        if (diskCache.getFilledUpTo(nullBucketFileId) == 0)
          return null;

        V result = null;
        OCacheEntry cacheEntry = diskCache.load(nullBucketFileId, 0, false);
        try {
          ONullBucket<V> nullBucket = new ONullBucket<V>(cacheEntry, ODurablePage.TrackMode.NONE, valueSerializer, false);
          result = nullBucket.getValue();
        } finally {
          diskCache.release(cacheEntry);
        }

        return result;
      } else {
        key = keySerializer.preprocess(key, (Object[]) keyTypes);

        final long hashCode = keyHashFunction.hashCode(key);

        BucketPath bucketPath = getBucket(hashCode);
        final long bucketPointer = directory.getNodePointer(bucketPath.nodeIndex, bucketPath.itemIndex + bucketPath.hashMapOffset);
        if (bucketPointer == 0)
          return null;

        long pageIndex = getPageIndex(bucketPointer);
        int fileLevel = getFileLevel(bucketPointer);

        OCacheEntry cacheEntry = loadPageEntry(pageIndex, fileLevel);
        try {
          final OHashIndexBucket<K, V> bucket = new OHashIndexBucket<K, V>(cacheEntry, keySerializer, valueSerializer, keyTypes,
              ODurablePage.TrackMode.NONE);

          OHashIndexBucket.Entry<K, V> entry = bucket.find(key, hashCode);
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        final long pageIndex = getPageIndex(bucketPointer);
        final int fileLevel = getFileLevel(bucketPointer);
        final V removed;

        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 positionIndex = bucket.getIndex(hashCode, key);
          if (positionIndex < 0) {
            endAtomicOperation(false);
            return null;
          }

          removed = bucket.deleteEntry(positionIndex).value;
          sizeDiff--;

          mergeBucketsAfterDeletion(nodePath, bucket);
          cacheEntry.markDirty();
          logPageChanges(bucket, cacheEntry.getFileId(), cacheEntry.getPageIndex(), false);
        } finally {
          cacheEntry.releaseExclusiveLock();
          diskCache.release(cacheEntry);
        }

        if (nodePath.parent != null) {
          final int hashMapSize = 1 << nodePath.nodeLocalDepth;

          final boolean allMapsContainSameBucket = checkAllMapsContainSameBucket(directory.getNode(nodePath.nodeIndex), hashMapSize);
          if (allMapsContainSameBucket)
            mergeNodeToParent(nodePath);
        }

        changeSize(sizeDiff);

        endAtomicOperation(false);
        return removed;
      } else {
        if (diskCache.getFilledUpTo(nullBucketFileId) == 0)
          return null;

        V removed = null;

        OCacheEntry cacheEntry = diskCache.load(nullBucketFileId, 0, false);
        cacheEntry.acquireExclusiveLock();
        try {
          final ONullBucket<V> nullBucket = new ONullBucket<V>(cacheEntry, getTrackMode(), valueSerializer, false);

          removed = nullBucket.getValue();
          if (removed != null) {
            nullBucket.removeValue();
            sizeDiff--;
            cacheEntry.markDirty();

            logPageChanges(nullBucket, cacheEntry.getFileId(), cacheEntry.getPageIndex(), false);
          }
        } finally {
          cacheEntry.releaseExclusiveLock();
          diskCache.release(cacheEntry);
        }

        changeSize(sizeDiff);
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  public void testInitialization() throws Exception {
    ODirectMemoryPointer pointer = new ODirectMemoryPointer(ODurablePage.MAX_PAGE_SIZE_BYTES);
    OCachePointer cachePointer = new OCachePointer(pointer, new OLogSequenceNumber(0, 0));
    cachePointer.incrementReferrer();

    OCacheEntry cacheEntry = new OCacheEntry(0, 0, cachePointer, false);

    OSBTreeBonsaiBucket<Long, OIdentifiable> treeBucket = new OSBTreeBonsaiBucket<Long, OIdentifiable>(cacheEntry, 0, true,
        OLongSerializer.INSTANCE, OLinkSerializer.INSTANCE, ODurablePage.TrackMode.FULL);
    Assert.assertEquals(treeBucket.size(), 0);
    Assert.assertTrue(treeBucket.isLeaf());
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    ODirectMemoryPointer pointer = new ODirectMemoryPointer(ODurablePage.MAX_PAGE_SIZE_BYTES);
    OCachePointer cachePointer = new OCachePointer(pointer, new OLogSequenceNumber(0, 0));
    cachePointer.incrementReferrer();

    OCacheEntry cacheEntry = new OCacheEntry(0, 0, cachePointer, false);

    OSBTreeBonsaiBucket<Long, OIdentifiable> treeBucket = new OSBTreeBonsaiBucket<Long, OIdentifiable>(cacheEntry, 0, true,
        OLongSerializer.INSTANCE, OLinkSerializer.INSTANCE, ODurablePage.TrackMode.FULL);

    int index = 0;
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    ODirectMemoryPointer pointer = new ODirectMemoryPointer(ODurablePage.MAX_PAGE_SIZE_BYTES);
    OCachePointer cachePointer = new OCachePointer(pointer, new OLogSequenceNumber(0, 0));
    cachePointer.incrementReferrer();

    OCacheEntry cacheEntry = new OCacheEntry(0, 0, cachePointer, false);

    OSBTreeBonsaiBucket<Long, OIdentifiable> treeBucket = new OSBTreeBonsaiBucket<Long, OIdentifiable>(cacheEntry, 0, true,
        OLongSerializer.INSTANCE, OLinkSerializer.INSTANCE, ODurablePage.TrackMode.FULL);

    Map<Long, Integer> keyIndexMap = new HashMap<Long, Integer>();
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      keys.add(random.nextLong());
    }

    ODirectMemoryPointer pointer = new ODirectMemoryPointer(ODurablePage.MAX_PAGE_SIZE_BYTES);
    OCachePointer cachePointer = new OCachePointer(pointer, new OLogSequenceNumber(0, 0));
    OCacheEntry cacheEntry = new OCacheEntry(0, 0, cachePointer, false);

    cachePointer.incrementReferrer();

    OSBTreeBonsaiBucket<Long, OIdentifiable> treeBucket = new OSBTreeBonsaiBucket<Long, OIdentifiable>(cacheEntry, 0, true,
        OLongSerializer.INSTANCE, OLinkSerializer.INSTANCE, ODurablePage.TrackMode.FULL);
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Related Classes of com.orientechnologies.orient.core.index.hashindex.local.cache.OCacheEntry

  • com.orientechnologies.orient.core.index.hashindex.local.arc.ReadWriteCacheConcurrentTest$Reader
  • com.orientechnologies.orient.core.index.hashindex.local.arc.ReadWriteCacheConcurrentTest$Writer
  • com.orientechnologies.orient.core.index.hashindex.local.OHashTableDirectory
  • com.orientechnologies.orient.core.index.hashindex.local.OLocalHashTable
  • com.orientechnologies.orient.core.index.hashindex.local.OLocalHashTableWAL
  • com.orientechnologies.orient.core.index.sbtree.local.ONullBucketTest
  • com.orientechnologies.orient.core.index.sbtree.local.OSBTree
  • com.orientechnologies.orient.core.index.sbtree.local.OSBTree$OSBTreeCursorBackward
  • com.orientechnologies.orient.core.index.sbtree.local.OSBTree$OSBTreeCursorForward
  • com.orientechnologies.orient.core.index.sbtree.local.OSBTree$OSBTreeFullKeyCursor
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