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

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

Modifier and Type	Class and Description
class	ExclusiveMemHFileBlock The ByteBuffAllocator won't allocate pooled heap ByteBuff now; at the same time, if allocate an off-heap ByteBuff from allocator, then it must be a pooled one.
class	SharedMemHFileBlock The ByteBuffAllocator won't allocate pooled heap ByteBuff now; at the same time, if allocate an off-heap ByteBuff from allocator, then it must be a pooled one.

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>	HFileInfo.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	HFileBlockBuilder.build()
(package private) static HFileBlock	HFileBlock.createFromBuff(ByteBuff buf, boolean usesHBaseChecksum, long offset, int nextBlockOnDiskSize, HFileContext fileContext, ByteBuffAllocator allocator) Creates a block from an existing buffer starting with a header.
HFileBlock	MemcachedBlockCache.HFileBlockTranscoder.decode(net.spy.memcached.CachedData d)
(package private) static HFileBlock	HFileBlock.deepCloneOnHeap(HFileBlock blk)
HFileBlock	HFileBlock.BlockDeserializer.deserialize(ByteBuff buf, ByteBuffAllocator alloc)
(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	HFile.Reader.getMetaBlock(String metaBlockName, boolean cacheBlock)
HFileBlock	HFileReaderImpl.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	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	HFileReaderImpl.readBlock(long dataBlockOffset, long onDiskBlockSize, boolean cacheBlock, boolean pread, boolean isCompaction, boolean updateCacheMetrics, BlockType expectedBlockType, DataBlockEncoding expectedDataBlockEncoding)
HFileBlock	HFileBlock.FSReader.readBlockData(long offset, long onDiskSize, boolean pread, boolean updateMetrics, boolean intoHeap) 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, boolean intoHeap) 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, boolean intoHeap) 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	HFileBlock.retain()
HFileBlock	HFileBlockIndex.BlockIndexReader.seekToDataBlock(Cell key, HFileBlock currentBlock, boolean cacheBlocks, boolean pread, boolean isCompaction, DataBlockEncoding expectedDataBlockEncoding, HFile.CachingBlockReader cachingBlockReader) Return the data block which contains this key.
(package private) static HFileBlock	HFileBlock.shallowClone(HFileBlock blk)
(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 that return types with arguments of type HFileBlock

Modifier and Type	Method and Description
List<HFileBlock>	HFileInfo.getLoadOnOpenBlocks()

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

Modifier and Type	Method and Description
private static HFileBlockBuilder	HFileBlock.createBuilder(HFileBlock blk)
(package private) static HFileBlock	HFileBlock.deepCloneOnHeap(HFileBlock blk)
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, HFile.CachingBlockReader cachingBlockReader)
BlockWithScanInfo	HFileBlockIndex.CellBasedKeyBlockIndexReader.loadDataBlockWithScanInfo(Cell key, HFileBlock currentBlock, boolean cacheBlocks, boolean pread, boolean isCompaction, DataBlockEncoding expectedDataBlockEncoding, HFile.CachingBlockReader cachingBlockReader)
abstract BlockWithScanInfo	HFileBlockIndex.BlockIndexReader.loadDataBlockWithScanInfo(Cell key, HFileBlock currentBlock, boolean cacheBlocks, boolean pread, boolean isCompaction, DataBlockEncoding expectedDataBlockEncoding, HFile.CachingBlockReader cachingBlockReader) 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.
protected void	HFileReaderImpl.HFileScannerImpl.releaseIfNotCurBlock(HFileBlock block) The curBlock will be released by shipping or close method, so only need to consider releasing the block, which was read from HFile before and not referenced by curBlock.
HFileBlock	HFileBlockIndex.BlockIndexReader.seekToDataBlock(Cell key, HFileBlock currentBlock, boolean cacheBlocks, boolean pread, boolean isCompaction, DataBlockEncoding expectedDataBlockEncoding, HFile.CachingBlockReader cachingBlockReader) Return the data block which contains this key.
(package private) static HFileBlock	HFileBlock.shallowClone(HFileBlock blk)
(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)