org.apache.solr.store.hdfs

Class HdfsDirectory

java.lang.Object

org.apache.lucene.store.Directory

org.apache.lucene.store.BaseDirectory

org.apache.solr.store.hdfs.HdfsDirectory

All Implemented Interfaces:

Closeable, AutoCloseable

public class HdfsDirectory
extends BaseDirectory

Field Summary

Fields

Modifier and Type	Field and Description
static int	BUFFER_SIZE
protected org.apache.hadoop.conf.Configuration	configuration
protected org.apache.hadoop.fs.Path	hdfsDirPath
static org.slf4j.Logger	LOG
protected static String	SEGMENTS_GEN

Fields inherited from class org.apache.lucene.store.BaseDirectory

isOpen, lockFactory

Constructor Summary

Constructors

Constructor and Description
HdfsDirectory(org.apache.hadoop.fs.Path hdfsDirPath, org.apache.hadoop.conf.Configuration configuration)

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
IndexOutput	createOutput(String name, IOContext context)
void	deleteFile(String name)
boolean	fileExists(String name)
long	fileLength(String name)
long	fileModified(String name)
org.apache.hadoop.conf.Configuration	getConfiguration()
org.apache.hadoop.fs.FileSystem	getFileSystem()
org.apache.hadoop.fs.Path	getHdfsDirPath()
String[]	listAll()
IndexInput	openInput(String name, IOContext context)
void	sync(Collection<String> names)

Methods inherited from class org.apache.lucene.store.BaseDirectory

clearLock, ensureOpen, getLockFactory, makeLock, setLockFactory

Methods inherited from class org.apache.lucene.store.Directory

copy, getLockID, openChecksumInput, toString

Methods inherited from class java.lang.Object

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

Field Detail

LOG

public static org.slf4j.Logger LOG

BUFFER_SIZE

public static final int BUFFER_SIZE

See Also:

Constant Field Values

SEGMENTS_GEN

protected static final String SEGMENTS_GEN

See Also:

Constant Field Values

hdfsDirPath

protected org.apache.hadoop.fs.Path hdfsDirPath

configuration

protected org.apache.hadoop.conf.Configuration configuration

Constructor Detail

HdfsDirectory

public HdfsDirectory(org.apache.hadoop.fs.Path hdfsDirPath,
             org.apache.hadoop.conf.Configuration configuration)
              throws IOException

Throws:

IOException

Method Detail

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in class Directory

Throws:

IOException

createOutput

public IndexOutput createOutput(String name,
                       IOContext context)
                         throws IOException

Specified by:

createOutput in class Directory

Throws:

IOException

openInput

public IndexInput openInput(String name,
                   IOContext context)
                     throws IOException

Specified by:

openInput in class Directory

Throws:

IOException

deleteFile

public void deleteFile(String name)
                throws IOException

Specified by:

deleteFile in class Directory

Throws:

IOException

fileExists

public boolean fileExists(String name)
                   throws IOException

Specified by:

fileExists in class Directory

Throws:

IOException

fileLength

public long fileLength(String name)
                throws IOException

Specified by:

fileLength in class Directory

Throws:

IOException

fileModified

public long fileModified(String name)
                  throws IOException

Throws:

IOException

listAll

public String[] listAll()
                 throws IOException

Specified by:

listAll in class Directory

Throws:

IOException

getHdfsDirPath

public org.apache.hadoop.fs.Path getHdfsDirPath()

getFileSystem

public org.apache.hadoop.fs.FileSystem getFileSystem()

getConfiguration

public org.apache.hadoop.conf.Configuration getConfiguration()

sync

public void sync(Collection<String> names)
          throws IOException

Specified by:

sync in class Directory

Throws:

IOException