org.apache.hudi.io.hfile

Class HFileMetaBlock

java.lang.Object

org.apache.hudi.io.hfile.HFileBlock

org.apache.hudi.io.hfile.HFileMetaBlock

public class HFileMetaBlock
extends HFileBlock

Represents a HFileBlockType.META block.

Field Summary

Fields

Modifier and Type	Field and Description
protected KeyValueEntry	entryToWrite

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

Modifier	Constructor and Description
protected	HFileMetaBlock(HFileContext context, byte[] byteBuff, int startOffsetInBuff)

Method Summary

Modifier and Type	Method and Description
byte[]	getFirstKey()
ByteBuffer	getUncompressedBlockDataToWrite() Returns serialized "data" part of the block.
ByteBuffer	readContent()

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

allocateBufferForUnpacking, getBlockType, getByteBuff, getOnDiskSizeWithHeader, getStartOffsetInBuffForWrite, parse, serialize, setStartOffsetInBuffForWrite, unpack

Methods inherited from class java.lang.Object

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

Field Detail

entryToWrite

protected KeyValueEntry entryToWrite

Constructor Detail

HFileMetaBlock

protected HFileMetaBlock(HFileContext context,
                         byte[] byteBuff,
                         int startOffsetInBuff)

Method Detail

readContent

public ByteBuffer readContent()

getFirstKey

public byte[] getFirstKey()

getUncompressedBlockDataToWrite

public ByteBuffer getUncompressedBlockDataToWrite()
                                           throws IOException

Description copied from class: HFileBlock

Returns serialized "data" part of the block. This function must be implemented by each block type separately.

Specified by:

getUncompressedBlockDataToWrite in class HFileBlock

Throws:

IOException