alluxio.hadoop

Class AlluxioHdfsInputStream

java.lang.Object

java.io.InputStream

alluxio.client.file.FileInStream

alluxio.hadoop.AlluxioHdfsInputStream

All Implemented Interfaces:

BoundedStream, PositionedReadable, Positioned, Seekable, java.io.Closeable, java.lang.AutoCloseable

public class AlluxioHdfsInputStream
extends FileInStream

A wrapper class to translate Hadoop FileSystem FSDataInputStream to Alluxio FileSystem FileInStream.

Constructor Summary

Constructors

Constructor and Description
AlluxioHdfsInputStream(org.apache.hadoop.fs.FSDataInputStream input)

Method Summary

Modifier and Type	Method and Description
int	available()
void	close()
long	getPos()
void	mark(int limit)
boolean	markSupported()
int	positionedRead(long position, byte[] buffer, int offset, int length)
int	read()
int	read(byte[] bytes)
int	read(byte[] bytes, int offset, int length)
int	read(java.nio.ByteBuffer buf)
long	remaining()
void	reset()
void	seek(long position)
long	skip(long length)

Methods inherited from class alluxio.client.file.FileInStream

read

Methods inherited from class java.lang.Object

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

Constructor Detail

AlluxioHdfsInputStream

public AlluxioHdfsInputStream(org.apache.hadoop.fs.FSDataInputStream input)

Parameters:

input - Hadoop FileSystem FSDataInputStream

Method Detail

read

public int read(byte[] bytes)
         throws java.io.IOException

Overrides:

read in class FileInStream

Throws:

java.io.IOException

read

public int read(byte[] bytes,
                int offset,
                int length)
         throws java.io.IOException

Overrides:

read in class FileInStream

Throws:

java.io.IOException

read

public int read()
         throws java.io.IOException

Overrides:

read in class FileInStream

Throws:

java.io.IOException

read

public int read(java.nio.ByteBuffer buf)
         throws java.io.IOException

Overrides:

read in class FileInStream

Throws:

java.io.IOException

skip

public long skip(long length)
          throws java.io.IOException

Overrides:

skip in class java.io.InputStream

Throws:

java.io.IOException

available

public int available()
              throws java.io.IOException

Overrides:

available in class java.io.InputStream

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Overrides:

close in class java.io.InputStream

Throws:

java.io.IOException

mark

public void mark(int limit)

Overrides:

mark in class java.io.InputStream

reset

public void reset()
           throws java.io.IOException

Overrides:

reset in class java.io.InputStream

Throws:

java.io.IOException

markSupported

public boolean markSupported()

Overrides:

markSupported in class java.io.InputStream

seek

public void seek(long position)
          throws java.io.IOException

Throws:

java.io.IOException

getPos

public long getPos()
            throws java.io.IOException

Throws:

java.io.IOException

remaining

public long remaining()

positionedRead

public int positionedRead(long position,
                          byte[] buffer,
                          int offset,
                          int length)
                   throws java.io.IOException

Throws:

java.io.IOException