Package org.apache.flink.api.common.io

Class InputStreamFSInputWrapper

java.lang.Object

java.io.InputStream

org.apache.flink.core.fs.FSDataInputStream

org.apache.flink.api.common.io.InputStreamFSInputWrapper

All Implemented Interfaces:

Closeable, AutoCloseable

@Public
public class InputStreamFSInputWrapper
extends FSDataInputStream

This class wraps an InputStream and exposes it as FSDataInputStream.
NB: seek(long) and getPos() are currently not supported.

Constructor Summary

Constructors

Constructor	Description
InputStreamFSInputWrapper(InputStream inStream)

Method Summary

Modifier and Type	Method	Description
void	close()
long	getPos()	Gets the current position in the input stream.
int	read()
int	read(byte[] b)
int	read(byte[] b, int off, int len)
void	seek(long desired)	Seek to the given offset from the start of the file.

Methods inherited from class java.io.InputStream

available, mark, markSupported, nullInputStream, readAllBytes, readNBytes, readNBytes, reset, skip, transferTo

Methods inherited from class java.lang.Object

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

Constructor Detail

InputStreamFSInputWrapper

public InputStreamFSInputWrapper(InputStream inStream)

Method Detail

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class InputStream

Throws:

IOException

seek

public void seek(long desired)
          throws IOException

Description copied from class: FSDataInputStream

Seek to the given offset from the start of the file. The next read() will be from that location. Can't seek past the end of the stream.

Specified by:

seek in class FSDataInputStream

Parameters:

desired - the desired offset

Throws:

IOException - Thrown if an error occurred while seeking inside the input stream.

getPos

public long getPos()
            throws IOException

Description copied from class: FSDataInputStream

Gets the current position in the input stream.

Specified by:

getPos in class FSDataInputStream

Returns:

current position in the input stream

Throws:

IOException - Thrown if an I/O error occurred in the underlying stream implementation while accessing the stream's position.

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

read

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

Overrides:

read in class InputStream

Throws:

IOException

read

public int read(byte[] b)
         throws IOException

Overrides:

read in class InputStream

Throws:

IOException