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

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	HdfsDirectory.HdfsIndexInput

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.hadoop.conf.Configuration	configuration
static int	DEFAULT_BUFFER_SIZE
protected org.apache.hadoop.fs.Path	hdfsDirPath

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)
HdfsDirectory(org.apache.hadoop.fs.Path hdfsDirPath, LockFactory lockFactory, org.apache.hadoop.conf.Configuration configuration, int bufferSize)

Method Summary

Modifier and Type	Method and Description
void	close()
IndexOutput	createOutput(String name, IOContext context)
IndexOutput	createTempOutput(String prefix, String suffix, IOContext context)
void	deleteFile(String name)
boolean	equals(Object obj)
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()
int	hashCode()
boolean	isClosed() Check whether this directory is open or closed.
String[]	listAll()
IndexInput	openInput(String name, IOContext context)
void	rename(String source, String dest)
void	sync(Collection<String> names)
void	syncMetaData()
String	toString()

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

ensureOpen, obtainLock

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

copyFrom, openChecksumInput

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

DEFAULT_BUFFER_SIZE

public static final int DEFAULT_BUFFER_SIZE

See Also:

Constant Field Values

hdfsDirPath

protected final org.apache.hadoop.fs.Path hdfsDirPath

configuration

protected final 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

HdfsDirectory

public HdfsDirectory(org.apache.hadoop.fs.Path hdfsDirPath,
                     LockFactory lockFactory,
                     org.apache.hadoop.conf.Configuration configuration,
                     int bufferSize)
              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

isClosed

public boolean isClosed()

Check whether this directory is open or closed. This check may return stale results in the form of false negatives.

Returns:

true if the directory is definitely closed, false if the directory is open or is pending closure

createOutput

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

Specified by:

createOutput in class Directory

Throws:

IOException

createTempOutput

public IndexOutput createTempOutput(String prefix,
                                    String suffix,
                                    IOContext context)
                             throws IOException

Specified by:

createTempOutput 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

rename

public void rename(String source,
                   String dest)
            throws IOException

Specified by:

rename in class Directory

Throws:

IOException

syncMetaData

public void syncMetaData()
                  throws IOException

Specified by:

syncMetaData 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

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class BaseDirectory