alluxio.underfs.kodo

Class KodoOutputStream

java.lang.Object

java.io.OutputStream

alluxio.underfs.kodo.KodoOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

@NotThreadSafe
public class KodoOutputStream
extends OutputStream

A stream for writing a file into Qiniu. The data will be persisted to a temporary directory on the local disk and copied as a complete file when the close() method is called.

Constructor Summary

Constructors

Constructor and Description
KodoOutputStream(String key, KodoClient kodoClient, List<String> tmpDirs) Creates a name instance of KodoOutputStream.

Method Summary

Modifier and Type	Method and Description
void	close() Closes this output stream.
void	flush()
void	write(byte[] b)
void	write(byte[] b, int off, int len)
void	write(int b)

Methods inherited from class java.lang.Object

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

Constructor Detail

KodoOutputStream

public KodoOutputStream(String key,
                        KodoClient kodoClient,
                        List<String> tmpDirs)
                 throws IOException

Creates a name instance of KodoOutputStream.

Parameters:

key - the key of the file

kodoClient - the client for Kodo

tmpDirs - a list of temporary directories

Throws:

IOException

Method Detail

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

Overrides:

flush in class OutputStream

Throws:

IOException

close

public void close()

Closes this output stream. When an output stream is closed, the local temporary file is uploaded to KODO Service. Once the file is uploaded, the temporary file is deleted.

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Overrides:

close in class OutputStream