org.apache.flink.core.memory

Class ByteArrayInputStreamWithPos

java.lang.Object

java.io.InputStream

org.apache.flink.core.memory.ByteArrayInputStreamWithPos

All Implemented Interfaces:

Closeable, AutoCloseable

@Internal
public class ByteArrayInputStreamWithPos
extends InputStream

Un-synchronized stream similar to Java's ByteArrayInputStream that also exposes the current position.

Field Summary

Fields

Modifier and Type	Field and Description
protected byte[]	buffer
protected int	count
protected int	mark
protected int	position

Constructor Summary

Constructors

Constructor and Description
ByteArrayInputStreamWithPos()
ByteArrayInputStreamWithPos(byte[] buffer)
ByteArrayInputStreamWithPos(byte[] buffer, int offset, int length)

Method Summary

Modifier and Type	Method and Description
int	available()
void	close()
int	getPosition()
void	mark(int readAheadLimit)
boolean	markSupported()
int	read()
int	read(byte[] b, int off, int len)
void	reset()
void	setBuffer(byte[] buffer, int offset, int length)
void	setPosition(int pos)
long	skip(long toSkip)

Methods inherited from class java.io.InputStream

read

Methods inherited from class java.lang.Object

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

Field Detail

buffer

protected byte[] buffer

position

protected int position

count

protected int count

mark

protected int mark

Constructor Detail

ByteArrayInputStreamWithPos

public ByteArrayInputStreamWithPos()

ByteArrayInputStreamWithPos

public ByteArrayInputStreamWithPos(byte[] buffer)

ByteArrayInputStreamWithPos

public ByteArrayInputStreamWithPos(byte[] buffer,
                                   int offset,
                                   int length)

Method Detail

read

public int read()

Specified by:

read in class InputStream

read

public int read(byte[] b,
                int off,
                int len)

Overrides:

read in class InputStream

skip

public long skip(long toSkip)

Overrides:

skip in class InputStream

markSupported

public boolean markSupported()

Overrides:

markSupported in class InputStream

mark

public void mark(int readAheadLimit)

Overrides:

mark in class InputStream

reset

public void reset()

Overrides:

reset in class InputStream

available

public int available()

Overrides:

available in class InputStream

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Overrides:

close in class InputStream

Throws:

IOException

getPosition

public int getPosition()

setPosition

public void setPosition(int pos)

setBuffer

public void setBuffer(byte[] buffer,
                      int offset,
                      int length)