org.gridgain.grid.spi.indexing.h2.opt

Class GridLuceneDirectory

java.lang.Object

org.apache.lucene.store.Directory

org.gridgain.grid.spi.indexing.h2.opt.GridLuceneDirectory

All Implemented Interfaces:

Closeable, AutoCloseable

public class GridLuceneDirectory
extends org.apache.lucene.store.Directory

A memory-resident Directory implementation.

Field Summary

Fields

Modifier and Type	Field and Description
protected Map<String,GridLuceneFile>	fileMap
protected AtomicLong	sizeInBytes

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

isOpen, lockFactory

Constructor Summary

Constructors

Constructor and Description
GridLuceneDirectory(org.gridgain.grid.util.offheap.unsafe.GridUnsafeMemory mem) Constructs an empty Directory.

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
org.apache.lucene.store.IndexOutput	createOutput(String name)
void	deleteFile(String name)
boolean	fileExists(String name)
long	fileLength(String name)
long	fileModified(String name)
String[]	listAll()
protected GridLuceneFile	newRAMFile() Returns a new GridLuceneFile for storing data.
org.apache.lucene.store.IndexInput	openInput(String name)
void	touchFile(String name) Set the modified time of an existing file to now.

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

clearLock, copy, copy, ensureOpen, getLockFactory, getLockID, makeLock, openInput, setLockFactory, sync, sync, toString

Methods inherited from class java.lang.Object

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

Field Detail

fileMap

protected final Map<String,GridLuceneFile> fileMap

sizeInBytes

protected final AtomicLong sizeInBytes

Constructor Detail

GridLuceneDirectory

public GridLuceneDirectory(org.gridgain.grid.util.offheap.unsafe.GridUnsafeMemory mem)

Constructs an empty Directory.

Parameters:

mem - Memory.

Method Detail

listAll

public final String[] listAll()

Specified by:

listAll in class org.apache.lucene.store.Directory

fileExists

public final boolean fileExists(String name)

Specified by:

fileExists in class org.apache.lucene.store.Directory

fileModified

public final long fileModified(String name)

Specified by:

fileModified in class org.apache.lucene.store.Directory

touchFile

public void touchFile(String name)
               throws IOException

Set the modified time of an existing file to now.

Specified by:

touchFile in class org.apache.lucene.store.Directory

Throws:

IOException - if the file does not exist

fileLength

public final long fileLength(String name)
                      throws IOException

Specified by:

fileLength in class org.apache.lucene.store.Directory

Throws:

IOException

deleteFile

public void deleteFile(String name)
                throws IOException

Specified by:

deleteFile in class org.apache.lucene.store.Directory

Throws:

IOException

createOutput

public org.apache.lucene.store.IndexOutput createOutput(String name)
                                                 throws IOException

Specified by:

createOutput in class org.apache.lucene.store.Directory

Throws:

IOException

newRAMFile

protected GridLuceneFile newRAMFile()

Returns a new GridLuceneFile for storing data. This method can be overridden to return different GridLuceneFile impls, that e.g. override.

Returns:

New ram file.

openInput

public org.apache.lucene.store.IndexInput openInput(String name)
                                             throws IOException

Specified by:

openInput in class org.apache.lucene.store.Directory

Throws:

IOException

close

public void close()

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in class org.apache.lucene.store.Directory