Package org.apache.hadoop.hbase.io.hfile

Class HFile.WriterFactory

java.lang.Object

org.apache.hadoop.hbase.io.hfile.HFile.WriterFactory

Enclosing class:

HFile

public static class HFile.WriterFactory
extends Object

This variety of ways to construct writers is used throughout the code, and we want to be able to swap writer implementations.

Field Summary

Fields

Modifier and Type	Field	Description
protected final CacheConfig	cacheConf
protected final org.apache.hadoop.conf.Configuration	conf
protected InetSocketAddress[]	favoredNodes
private HFileContext	fileContext
protected org.apache.hadoop.fs.FileSystem	fs
protected org.apache.hadoop.fs.FSDataOutputStream	ostream
protected org.apache.hadoop.fs.Path	path
protected boolean	shouldDropBehind

Constructor Summary

Constructors

Constructor	Description
WriterFactory(org.apache.hadoop.conf.Configuration conf, CacheConfig cacheConf)

Method Summary

Modifier and Type	Method	Description
HFile.Writer	create()
HFile.WriterFactory	withFavoredNodes(InetSocketAddress[] favoredNodes)
HFile.WriterFactory	withFileContext(HFileContext fileContext)
HFile.WriterFactory	withOutputStream(org.apache.hadoop.fs.FSDataOutputStream ostream)
HFile.WriterFactory	withPath(org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path path)
HFile.WriterFactory	withShouldDropCacheBehind(boolean shouldDropBehind)

Methods inherited from class java.lang.Object

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

Field Details

conf

protected final org.apache.hadoop.conf.Configuration conf

cacheConf

protected final CacheConfig cacheConf

fs

protected org.apache.hadoop.fs.FileSystem fs

path

protected org.apache.hadoop.fs.Path path

ostream

protected org.apache.hadoop.fs.FSDataOutputStream ostream

favoredNodes

protected InetSocketAddress[] favoredNodes

fileContext

private HFileContext fileContext

shouldDropBehind

protected boolean shouldDropBehind

Constructor Details

WriterFactory

WriterFactory(org.apache.hadoop.conf.Configuration conf,
 CacheConfig cacheConf)

Method Details

withPath

public HFile.WriterFactory withPath(org.apache.hadoop.fs.FileSystem fs,
 org.apache.hadoop.fs.Path path)

withOutputStream

public HFile.WriterFactory withOutputStream(org.apache.hadoop.fs.FSDataOutputStream ostream)

withFavoredNodes

public HFile.WriterFactory withFavoredNodes(InetSocketAddress[] favoredNodes)

withFileContext

public HFile.WriterFactory withFileContext(HFileContext fileContext)

withShouldDropCacheBehind

public HFile.WriterFactory withShouldDropCacheBehind(boolean shouldDropBehind)

create

public HFile.Writer create()
                    throws IOException

Throws:

IOException