public RTreeOpContext(IRTreeLeafFrame leafFrame, IRTreeInteriorFrame interiorFrame, IPageManager freePageManager, IBinaryComparatorFactory[] cmpFactories, IModificationOperationCallback modificationCallback) { if (cmpFactories[0] != null) { this.cmp = MultiComparator.create(cmpFactories); } else { this.cmp = null; } this.interiorFrame = interiorFrame; this.leafFrame = leafFrame; this.freePageManager = freePageManager; this.metaFrame = freePageManager.createMetadataFrame(); this.modificationCallback = modificationCallback; pathList = new PathList(INITIAL_HEIGHT, INITIAL_HEIGHT); NSNUpdates = new ArrayList<>(); LSNUpdates = new ArrayList<>(); }
public AbstractTreeIndexBulkLoader(float fillFactor) throws HyracksDataException { leafFrame = leafFrameFactory.createFrame(); interiorFrame = interiorFrameFactory.createFrame(); metaFrame = freePageManager.createMetadataFrame(); queue = bufferCache.createFIFOQueue(); if (!isEmptyTree(leafFrame)) { throw HyracksDataException.create(ErrorCode.CANNOT_BULK_LOAD_NON_EMPTY_TREE); } this.cmp = MultiComparator.create(cmpFactories); leafFrame.setMultiComparator(cmp); interiorFrame.setMultiComparator(cmp); tupleWriter = leafFrame.getTupleWriter(); NodeFrontier leafFrontier = new NodeFrontier(leafFrame.createTupleReference()); leafFrontier.pageId = freePageManager.takePage(metaFrame); leafFrontier.page = bufferCache.confiscatePage(BufferedFileHandle.getDiskPageId(fileId, leafFrontier.pageId)); interiorFrame.setPage(leafFrontier.page); interiorFrame.initBuffer((byte) 0); interiorMaxBytes = (int) (interiorFrame.getBuffer().capacity() * fillFactor); leafFrame.setPage(leafFrontier.page); leafFrame.initBuffer((byte) 0); leafMaxBytes = (int) (leafFrame.getBuffer().capacity() * fillFactor); slotSize = leafFrame.getSlotSize(); nodeFrontiers.add(leafFrontier); pagesToWrite = new ArrayList<>(); compressedPageWriter = bufferCache.getCompressedPageWriter(fileId); }
this.metaFrame = freePageManager.createMetadataFrame(); this.pageLsns = new LongArrayList(INIT_ARRAYLIST_SIZE, INIT_ARRAYLIST_SIZE); this.smoCount = 0;
protected TreeIndexState isValidTreeIndex(ITreeIndex treeIndex) throws HyracksDataException { IBufferCache bufferCache = treeIndex.getBufferCache(); treeIndex.activate(); try { int metadataPage = treeIndex.getPageManager().getMetadataPageId(); if (metadataPage < 0) { return TreeIndexState.INVALID; } ITreeIndexMetadataFrame metadataFrame = treeIndex.getPageManager().createMetadataFrame(); ICachedPage page = bufferCache.pin(BufferedFileHandle.getDiskPageId(treeIndex.getFileId(), metadataPage), false); page.acquireReadLatch(); try { metadataFrame.setPage(page); if (!metadataFrame.isValid()) { return TreeIndexState.INVALID; } else if (metadataFrame.getVersion() != ITreeIndexFrame.Constants.VERSION) { return TreeIndexState.VERSION_MISMATCH; } else { return TreeIndexState.VALID; } } finally { page.releaseReadLatch(); bufferCache.unpin(page); } } finally { treeIndex.deactivate(); } }
TreeIndexStats stats = statsGatherer.gatherStats(treeIndex.getLeafFrameFactory().createFrame(), treeIndex.getInteriorFrameFactory().createFrame(), treeIndex.getPageManager().createMetadataFrame());