Package org.apache.flink.state.forst.fs

Class ByteBufferWritableFSDataOutputStream

java.lang.Object

java.io.OutputStream

org.apache.flink.core.fs.FSDataOutputStream

org.apache.flink.state.forst.fs.ByteBufferWritableFSDataOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

public class ByteBufferWritableFSDataOutputStream
extends org.apache.flink.core.fs.FSDataOutputStream

A FSDataOutputStream delegates requests to other one and supports writing data with ByteBuffer.

All methods in this class maybe used by ForSt, please start a discussion firstly if it has to be modified.

Constructor Summary

Constructors

Constructor	Description
ByteBufferWritableFSDataOutputStream(org.apache.flink.core.fs.FSDataOutputStream originalOutputStream)

Method Summary

Modifier and Type	Method	Description
void	close()
void	flush()
long	getPos()
void	sync()
void	write(byte[] b)
void	write(byte[] b, int off, int len)
void	write(int b)
void	write(ByteBuffer bb)	Writes ByteBuffer#remaining bytes from the ByteBuffer to this output stream.

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 Details

ByteBufferWritableFSDataOutputStream

public ByteBufferWritableFSDataOutputStream(org.apache.flink.core.fs.FSDataOutputStream originalOutputStream)

Method Details

write

public void write(ByteBuffer bb)
           throws IOException

Writes ByteBuffer#remaining bytes from the ByteBuffer to this output stream. Not Thread-safe yet since the interface of write of ForSt only be accessed by one thread at a time.

If bb is null, a NullPointerException is thrown.

Throws:

IOException - if an I/O error occurs. In particular, an IOException is thrown if the output stream is closed.

getPos

public long getPos()
            throws IOException

Specified by:

getPos in class org.apache.flink.core.fs.FSDataOutputStream

Throws:

IOException

write

public void write(int b)
           throws IOException

Specified by:

write in class OutputStream

Throws:

IOException

write

public void write(byte[] b)
           throws IOException

Overrides:

write in class OutputStream

Throws:

IOException

write

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

Overrides:

write in class OutputStream

Throws:

IOException

flush

public void flush()
           throws IOException

Specified by:

flush in interface Flushable

Specified by:

flush in class org.apache.flink.core.fs.FSDataOutputStream

Throws:

IOException

sync

public void sync()
          throws IOException

Specified by:

sync in class org.apache.flink.core.fs.FSDataOutputStream

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in class org.apache.flink.core.fs.FSDataOutputStream

Throws:

IOException