Package herddb.utils

Class ODirectFileOutputStream

java.lang.Object

java.io.OutputStream

herddb.utils.ODirectFileOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

public class ODirectFileOutputStream
extends OutputStream

Implementation of OutputStream which is writing using O_DIRECT flag

Author:

enrico.olivelli

Constructor Summary

Constructors

Constructor	Description
ODirectFileOutputStream(Path p)
ODirectFileOutputStream(Path p, int batchBlocks, OpenOption... options)

Method Summary

Modifier and Type	Method	Description
void	close()
void	flush()
int	getAlignment()
int	getBatchBlocks()
FileChannel	getFc()
int	getWrittenBlocks()
void	write(byte[] b)
void	write(byte[] b, int off, int len)
void	write(int b)

Methods inherited from class java.io.OutputStream

nullOutputStream

Methods inherited from class java.lang.Object

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

Constructor Detail

ODirectFileOutputStream

public ODirectFileOutputStream(Path p)
                        throws IOException

Throws:

IOException

ODirectFileOutputStream

public ODirectFileOutputStream(Path p,
                               int batchBlocks,
                               OpenOption... options)
                        throws IOException

Throws:

IOException

Method Detail

getAlignment

public int getAlignment()

getWrittenBlocks

public int getWrittenBlocks()

getBatchBlocks

public int getBatchBlocks()

write

public void write(int b)
           throws IOException

Specified by:

write in class OutputStream

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class OutputStream

Throws:

IOException

flush

public void flush()
           throws IOException

Specified by:

flush in interface Flushable

Overrides:

flush in class OutputStream

Throws:

IOException

getFc

public FileChannel getFc()

write

public void write(byte[] b,
                  int off,
                  int len)
           throws IOException

Overrides:

write in class OutputStream

Throws:

IOException

write

public void write(byte[] b)
           throws IOException

Overrides:

write in class OutputStream

Throws:

IOException