org.apache.hudi.io.hfile

Class HFileFileInfoBlock

java.lang.Object

org.apache.hudi.io.hfile.HFileBlock

org.apache.hudi.io.hfile.HFileFileInfoBlock

public class HFileFileInfoBlock
extends HFileBlock

Represents a HFileBlockType.FILE_INFO block.

Field Summary

Fields

Modifier and Type	Field and Description
static byte[]	PB_MAGIC

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
HFileFileInfoBlock(HFileContext context, byte[] byteBuff, int startOffsetInBuff)

Method Summary

Modifier and Type	Method and Description
void	add(String name, byte[] value)
boolean	containsKey(String name)
static HFileFileInfoBlock	createFileInfoBlockToWrite(HFileContext context)
ByteBuffer	getUncompressedBlockDataToWrite() Returns serialized "data" part of the block.
HFileInfo	readFileInfo()

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

PB_MAGIC

public static final byte[] PB_MAGIC

Constructor Detail

HFileFileInfoBlock

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

Method Detail

createFileInfoBlockToWrite

public static HFileFileInfoBlock createFileInfoBlockToWrite(HFileContext context)

readFileInfo

public HFileInfo readFileInfo()
                       throws IOException

Throws:

IOException

add

public void add(String name,
                byte[] value)

containsKey

public boolean containsKey(String name)

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