Uses of Class
org.apache.hadoop.hbase.io.hfile.HFileBlock

Packages that use HFileBlock

Package	Description
org.apache.hadoop.hbase.io.hfile	Provides implementations of HFile and HFile BlockCache.

Uses of HFileBlock in org.apache.hadoop.hbase.io.hfile

Fields in org.apache.hadoop.hbase.io.hfile declared as HFileBlock

Modifier and Type	Field and Description
protected HFileBlock	HFileReaderImpl.HFileScannerImpl.curBlock
private HFileBlock	BlockWithScanInfo.hFileBlock

Fields in org.apache.hadoop.hbase.io.hfile with type parameters of type HFileBlock

Modifier and Type	Field and Description
private List<HFileBlock>	HFileReaderImpl.loadOnOpenBlocks Blocks read from the load-on-open section, excluding data root index, meta index, and file info.
protected ArrayList<HFileBlock>	HFileReaderImpl.HFileScannerImpl.prevBlocks

Methods in org.apache.hadoop.hbase.io.hfile that return HFileBlock

Modifier and Type	Method and Description
HFileBlock	MemcachedBlockCache.HFileBlockTranscoder.decode(net.spy.memcached.CachedData d)
HFileBlock	HFileBlock.deepClone()
(package private) HFileBlock	HFileBlock.Writer.getBlockForCaching(CacheConfig cacheConf) Creates a new HFileBlock.
private HFileBlock	CompoundBloomFilter.getBloomBlock(int block)
private HFileBlock	HFileReaderImpl.getCachedBlock(BlockCacheKey cacheKey, boolean cacheBlock, boolean useLock, boolean isCompaction, boolean updateCacheMetrics, BlockType expectedBlockType, DataBlockEncoding expectedDataBlockEncoding) Retrieve block from cache.
HFileBlock	BlockWithScanInfo.getHFileBlock()
HFileBlock	HFileReaderImpl.getMetaBlock(String metaBlockName, boolean cacheBlock)
HFileBlock	HFile.Reader.getMetaBlock(String metaBlockName, boolean cacheBlock)
HFileBlock	HFileBlock.BlockIterator.nextBlock() Get the next block, or null if there are no more blocks to iterate.
HFileBlock	HFileBlock.BlockIterator.nextBlockWithBlockType(BlockType blockType) Similar to HFileBlock.BlockIterator.nextBlock() but checks block type, throws an exception if incorrect, and returns the HFile block
HFileBlock	HFileReaderImpl.readBlock(long dataBlockOffset, long onDiskBlockSize, boolean cacheBlock, boolean pread, boolean isCompaction, boolean updateCacheMetrics, BlockType expectedBlockType, DataBlockEncoding expectedDataBlockEncoding)
HFileBlock	HFile.CachingBlockReader.readBlock(long offset, long onDiskBlockSize, boolean cacheBlock, boolean pread, boolean isCompaction, boolean updateCacheMetrics, BlockType expectedBlockType, DataBlockEncoding expectedDataBlockEncoding) Read in a file block.
HFileBlock	HFileBlock.FSReader.readBlockData(long offset, long onDiskSize, boolean pread, boolean updateMetrics) Reads the block at the given offset in the file with the given on-disk size and uncompressed size.
HFileBlock	HFileBlock.FSReaderImpl.readBlockData(long offset, long onDiskSizeWithHeaderL, boolean pread, boolean updateMetrics) Reads a version 2 block (version 1 blocks not supported and not expected).
protected HFileBlock	HFileBlock.FSReaderImpl.readBlockDataInternal(org.apache.hadoop.fs.FSDataInputStream is, long offset, long onDiskSizeWithHeaderL, boolean pread, boolean verifyChecksum, boolean updateMetrics) Reads a version 2 block.
protected HFileBlock	HFileReaderImpl.HFileScannerImpl.readNextDataBlock() Scans blocks in the "scanned" section of the HFile until the next data block is found.
HFileBlock	HFileBlockIndex.BlockIndexReader.seekToDataBlock(Cell key, HFileBlock currentBlock, boolean cacheBlocks, boolean pread, boolean isCompaction, DataBlockEncoding expectedDataBlockEncoding) Return the data block which contains this key.
(package private) HFileBlock	HFileBlock.unpack(HFileContext fileContext, HFileBlock.FSReader reader) Retrieves the decompressed/decrypted view of this block.

Methods in org.apache.hadoop.hbase.io.hfile with parameters of type HFileBlock

Modifier and Type	Method and Description
net.spy.memcached.CachedData	MemcachedBlockCache.HFileBlockTranscoder.encode(HFileBlock block)
private ByteBuff	HFileReaderImpl.EncodedScanner.getEncodedBuffer(HFileBlock newBlock)
protected Cell	HFileReaderImpl.HFileScannerImpl.getFirstKeyCellInBlock(HFileBlock curBlock)
protected Cell	HFileReaderImpl.EncodedScanner.getFirstKeyCellInBlock(HFileBlock curBlock)
protected int	HFileReaderImpl.HFileScannerImpl.loadBlockAndSeekToKey(HFileBlock seekToBlock, Cell nextIndexedKey, boolean rewind, Cell key, boolean seekBefore)
protected int	HFileReaderImpl.EncodedScanner.loadBlockAndSeekToKey(HFileBlock seekToBlock, Cell nextIndexedKey, boolean rewind, Cell key, boolean seekBefore)
BlockWithScanInfo	HFileBlockIndex.ByteArrayKeyBlockIndexReader.loadDataBlockWithScanInfo(Cell key, HFileBlock currentBlock, boolean cacheBlocks, boolean pread, boolean isCompaction, DataBlockEncoding expectedDataBlockEncoding)
BlockWithScanInfo	HFileBlockIndex.CellBasedKeyBlockIndexReader.loadDataBlockWithScanInfo(Cell key, HFileBlock currentBlock, boolean cacheBlocks, boolean pread, boolean isCompaction, DataBlockEncoding expectedDataBlockEncoding)
abstract BlockWithScanInfo	HFileBlockIndex.BlockIndexReader.loadDataBlockWithScanInfo(Cell key, HFileBlock currentBlock, boolean cacheBlocks, boolean pread, boolean isCompaction, DataBlockEncoding expectedDataBlockEncoding) Return the BlockWithScanInfo, a data structure which contains the Data HFileBlock with other scan info such as the key that starts the next HFileBlock.
void	HFileBlockIndex.BlockIndexReader.readMultiLevelIndexRoot(HFileBlock blk, int numEntries) Read the root-level metadata of a multi-level block index.
DataInputStream	HFileBlockIndex.BlockIndexReader.readRootIndex(HFileBlock blk, int numEntries) Read in the root-level index from the given input stream.
void	HFileReaderImpl.returnBlock(HFileBlock block)
void	HFile.CachingBlockReader.returnBlock(HFileBlock block) Return the given block back to the cache, if it was obtained from cache.
private void	HFileReaderImpl.HFileScannerImpl.returnBlockToCache(HFileBlock block)
HFileBlock	HFileBlockIndex.BlockIndexReader.seekToDataBlock(Cell key, HFileBlock currentBlock, boolean cacheBlocks, boolean pread, boolean isCompaction, DataBlockEncoding expectedDataBlockEncoding) Return the data block which contains this key.
(package private) void	HFileReaderImpl.HFileScannerImpl.updateCurrBlockRef(HFileBlock block)
protected void	HFileReaderImpl.HFileScannerImpl.updateCurrentBlock(HFileBlock newBlock) Updates the current block to be the given HFileBlock.
protected void	HFileReaderImpl.EncodedScanner.updateCurrentBlock(HFileBlock newBlock) Updates the current block to be the given HFileBlock.
private void	HFileReaderImpl.validateBlockType(HFileBlock block, BlockType expectedBlockType) Compares the actual type of a block retrieved from cache or disk with its expected type and throws an exception in case of a mismatch.

Constructors in org.apache.hadoop.hbase.io.hfile with parameters of type HFileBlock

Constructor and Description
BlockWithScanInfo(HFileBlock hFileBlock, Cell nextIndexedKey)
HFileBlock(HFileBlock that) Copy constructor.
HFileBlock(HFileBlock that, boolean bufCopy) Copy constructor.