alluxio.underfs.gcs.v2

Class GCSV2OutputStream

java.lang.Object

java.io.OutputStream

alluxio.underfs.gcs.v2.GCSV2OutputStream

All Implemented Interfaces:

ContentHashable, java.io.Closeable, java.io.Flushable, java.lang.AutoCloseable

@NotThreadSafe
public final class GCSV2OutputStream
extends java.io.OutputStream
implements ContentHashable

A stream for writing a file into GCS using Google cloud API (GCS output stream version 2). The data is streaming writing to GCS without waiting for the complete file to arrive in Alluxio worker.

Constructor Summary

Constructors

Constructor and Description
GCSV2OutputStream(java.lang.String bucketName, java.lang.String key, com.google.cloud.storage.Storage client) Constructs a new stream for writing a file.

Method Summary

Modifier and Type	Method and Description
void	close()
void	flush()
java.util.Optional<java.lang.String>	getContentHash()
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

GCSV2OutputStream

public GCSV2OutputStream(java.lang.String bucketName,
                         java.lang.String key,
                         com.google.cloud.storage.Storage client)

Constructs a new stream for writing a file.

Parameters:

bucketName - the name of the bucket

key - the key of the file

client - the Google cloud storage client

Method Detail

write

public void write(int b)
           throws java.io.IOException

Specified by:

write in class java.io.OutputStream

Throws:

java.io.IOException

write

public void write(byte[] b)
           throws java.io.IOException

Overrides:

write in class java.io.OutputStream

Throws:

java.io.IOException

write

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

Overrides:

write in class java.io.OutputStream

Throws:

java.io.IOException

flush

public void flush()
           throws java.io.IOException

Specified by:

flush in interface java.io.Flushable

Overrides:

flush in class java.io.OutputStream

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.OutputStream

Throws:

java.io.IOException

getContentHash

public java.util.Optional<java.lang.String> getContentHash()

Specified by:

getContentHash in interface ContentHashable