org.apache.hudi.io.hfile

Class HFileWriterImpl

java.lang.Object

org.apache.hudi.io.hfile.HFileWriterImpl

All Implemented Interfaces:

Closeable, AutoCloseable, HFileWriter

public class HFileWriterImpl
extends Object
implements HFileWriter

Pure Java implementation of HFile writer (HFile v3 format) for Hudi.

Constructor Summary

Constructors

Constructor and Description
HFileWriterImpl(HFileContext context, OutputStream outputStream)

Method Summary

Modifier and Type	Method and Description
byte[]	addKeyLength(byte[] key)
void	append(String key, byte[] value) Append a key-value pair into a data block.
void	appendFileInfo(String name, byte[] value) Append a piece of file info.
void	appendMetaInfo(String name, byte[] value) Append a piece of meta info.
void	close()
protected void	finishFileInfo()

Methods inherited from class java.lang.Object

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

Constructor Detail

HFileWriterImpl

public HFileWriterImpl(HFileContext context,
                       OutputStream outputStream)

Method Detail

append

public void append(String key,
                   byte[] value)
            throws IOException

Description copied from interface: HFileWriter

Append a key-value pair into a data block. The caller must guarantee that the key lexicographically increments or the same as the last key.

Specified by:

append in interface HFileWriter

Throws:

IOException

appendMetaInfo

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

Description copied from interface: HFileWriter

Append a piece of meta info.

Specified by:

appendMetaInfo in interface HFileWriter

appendFileInfo

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

Description copied from interface: HFileWriter

Append a piece of file info.

Specified by:

appendFileInfo in interface HFileWriter

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException

finishFileInfo

protected void finishFileInfo()

addKeyLength

public byte[] addKeyLength(byte[] key)