org.apache.hudi.io.hfile

Class HFileRootIndexBlock

java.lang.Object

org.apache.hudi.io.hfile.HFileBlock

org.apache.hudi.io.hfile.HFileRootIndexBlock

public class HFileRootIndexBlock
extends HFileBlock

Represents a HFileBlockType.ROOT_INDEX block.

Field Summary

Fields inherited from class org.apache.hudi.io.hfile.HFileBlock

byteBuff, bytesPerChecksum, compressedByteBuff, context, HFILEBLOCK_HEADER_SIZE, HFILEBLOCK_HEADER_SIZE_NO_CHECKSUM, onDiskSizeWithoutHeader, sizeCheckSum, startOffsetInBuff, startOffsetInCompressedBuff, uncompressedEndOffset, uncompressedSizeWithoutHeader

Constructor Summary

Constructors

Constructor and Description
HFileRootIndexBlock(HFileContext context, byte[] byteBuff, int startOffsetInBuff)

Method Summary

Modifier and Type	Method and Description
TreeMap<Key,BlockIndexEntry>	readBlockIndex(int numEntries, boolean contentKeyOnly) Reads the index block and returns the block index entry to an in-memory TreeMap for searches.

Methods inherited from class org.apache.hudi.io.hfile.HFileBlock

allocateBufferForUnpacking, getBlockType, getByteBuff, getOnDiskSizeWithHeader, parse, unpack

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HFileRootIndexBlock

public HFileRootIndexBlock(HFileContext context,
                           byte[] byteBuff,
                           int startOffsetInBuff)

Method Detail

readBlockIndex

public TreeMap<Key,BlockIndexEntry> readBlockIndex(int numEntries,
                                                   boolean contentKeyOnly)

Reads the index block and returns the block index entry to an in-memory TreeMap for searches.

Parameters:

numEntries - the number of entries in the block.

Returns:

a TreeMap of block index entries.