Uses of Class
org.apache.lucene.store.Directory

Packages that use Directory

org.apache.lucene.codecs	Codecs API: API for customization of the encoding and structure of the index.
org.apache.lucene.codecs.lucene3x	Codec to support Lucene 3.x indexes (readonly)
org.apache.lucene.codecs.lucene40	Lucene 4.0 file format.
org.apache.lucene.codecs.lucene40.values	Default DocValues implementation for Lucene 4.0 indexes.
org.apache.lucene.index	Code to maintain and access indices.
org.apache.lucene.search	Code to search indices.
org.apache.lucene.store	Binary i/o API, used for all index data.
org.apache.lucene.util	Some utility classes.

Uses of Directory in org.apache.lucene.codecs

Methods in org.apache.lucene.codecs with parameters of type Directory

abstract StoredFieldsReader	StoredFieldsFormat.fieldsReader(Directory directory, SegmentInfo si, FieldInfos fn, IOContext context) Returns a StoredFieldsReader to load stored fields.
abstract StoredFieldsWriter	StoredFieldsFormat.fieldsWriter(Directory directory, SegmentInfo si, IOContext context) Returns a StoredFieldsWriter to write stored fields.
protected TreeMap<String,DocValues>	PerDocProducerBase.load(FieldInfos fieldInfos, String segment, int docCount, Directory dir, IOContext context) Only opens files...
protected abstract DocValues	PerDocProducerBase.loadDocValues(int docCount, Directory dir, String id, DocValues.Type type, IOContext context) Loads a DocValues instance depending on the given DocValues.Type.
abstract FieldInfos	FieldInfosReader.read(Directory directory, String segmentName, IOContext iocontext) Read the FieldInfos previously written with FieldInfosWriter.
abstract SegmentInfo	SegmentInfoReader.read(Directory directory, String segmentName, IOContext context) Read SegmentInfo data from a directory.
abstract Bits	LiveDocsFormat.readLiveDocs(Directory dir, SegmentInfoPerCommit info, IOContext context) Read live docs bits.
abstract TermVectorsReader	TermVectorsFormat.vectorsReader(Directory directory, SegmentInfo segmentInfo, FieldInfos fieldInfos, IOContext context) Returns a TermVectorsReader to read term vectors.
abstract TermVectorsWriter	TermVectorsFormat.vectorsWriter(Directory directory, SegmentInfo segmentInfo, IOContext context) Returns a TermVectorsWriter to write term vectors.
abstract void	SegmentInfoWriter.write(Directory dir, SegmentInfo info, FieldInfos fis, IOContext ioContext) Write SegmentInfo data.
abstract void	FieldInfosWriter.write(Directory directory, String segmentName, FieldInfos infos, IOContext context) Writes the provided FieldInfos to the directory.
abstract void	LiveDocsFormat.writeLiveDocs(MutableBits bits, Directory dir, SegmentInfoPerCommit info, int newDelCount, IOContext context) Persist live docs bits.

Constructors in org.apache.lucene.codecs with parameters of type Directory

BlockTreeTermsReader(Directory dir, FieldInfos fieldInfos, SegmentInfo info, PostingsReaderBase postingsReader, IOContext ioContext, String segmentSuffix, int indexDivisor)
Sole constructor.

Uses of Directory in org.apache.lucene.codecs.lucene3x

Methods in org.apache.lucene.codecs.lucene3x with parameters of type Directory

SegmentInfo	Lucene3xSegmentInfoReader.read(Directory directory, String segmentName, IOContext context) Deprecated.
static void	Lucene3xSegmentInfoReader.readLegacyInfos(SegmentInfos infos, Directory directory, IndexInput input, int format) Deprecated.

Uses of Directory in org.apache.lucene.codecs.lucene40

Methods in org.apache.lucene.codecs.lucene40 that return Directory

protected Directory

Lucene40DocValuesConsumer.getDirectory()

Methods in org.apache.lucene.codecs.lucene40 with parameters of type Directory

StoredFieldsReader	Lucene40StoredFieldsFormat.fieldsReader(Directory directory, SegmentInfo si, FieldInfos fn, IOContext context)
StoredFieldsWriter	Lucene40StoredFieldsFormat.fieldsWriter(Directory directory, SegmentInfo si, IOContext context)
protected DocValues	Lucene40DocValuesProducer.loadDocValues(int docCount, Directory dir, String id, DocValues.Type type, IOContext context)
FieldInfos	Lucene40FieldInfosReader.read(Directory directory, String segmentName, IOContext iocontext)
SegmentInfo	Lucene40SegmentInfoReader.read(Directory dir, String segment, IOContext context)
Bits	Lucene40LiveDocsFormat.readLiveDocs(Directory dir, SegmentInfoPerCommit info, IOContext context)
TermVectorsReader	Lucene40TermVectorsFormat.vectorsReader(Directory directory, SegmentInfo segmentInfo, FieldInfos fieldInfos, IOContext context)
TermVectorsWriter	Lucene40TermVectorsFormat.vectorsWriter(Directory directory, SegmentInfo segmentInfo, IOContext context)
void	Lucene40SegmentInfoWriter.write(Directory dir, SegmentInfo si, FieldInfos fis, IOContext ioContext) Save a single segment's info.
void	Lucene40FieldInfosWriter.write(Directory directory, String segmentName, FieldInfos infos, IOContext context)
void	Lucene40LiveDocsFormat.writeLiveDocs(MutableBits bits, Directory dir, SegmentInfoPerCommit info, int newDelCount, IOContext context)

Constructors in org.apache.lucene.codecs.lucene40 with parameters of type Directory

Lucene40PostingsReader(Directory dir, FieldInfos fieldInfos, SegmentInfo segmentInfo, IOContext ioContext, String segmentSuffix)
Sole constructor.

Lucene40StoredFieldsReader(Directory d, SegmentInfo si, FieldInfos fn, IOContext context)
Sole constructor.

Lucene40StoredFieldsWriter(Directory directory, String segment, IOContext context)
Sole constructor.

Lucene40TermVectorsReader(Directory d, SegmentInfo si, FieldInfos fieldInfos, IOContext context)
Sole constructor.

Lucene40TermVectorsWriter(Directory directory, String segment, IOContext context)
Sole constructor.

Uses of Directory in org.apache.lucene.codecs.lucene40.values

Methods in org.apache.lucene.codecs.lucene40.values that return Directory

protected abstract Directory

DocValuesWriterBase.getDirectory() Returns the Directory that files should be written to.

Methods in org.apache.lucene.codecs.lucene40.values with parameters of type Directory

static DocValues	Bytes.getValues(Directory dir, String id, Bytes.Mode mode, boolean fixedSize, int maxDoc, Comparator<BytesRef> sortComparator, IOContext context) Creates a new DocValues instance that provides either memory resident or iterative access to a per-document stored byte[] value.
static DocValues	Ints.getValues(Directory dir, String id, int numDocs, DocValues.Type type, IOContext context) Creates and returns a DocValues to read previously written int values.
static DocValues	Floats.getValues(Directory dir, String id, int maxDoc, IOContext context, DocValues.Type type) Creates and returns a DocValues to read previously written float values.
static DocValuesConsumer	Bytes.getWriter(Directory dir, String id, Bytes.Mode mode, boolean fixedSize, Comparator<BytesRef> sortComparator, Counter bytesUsed, IOContext context, float acceptableOverheadRatio) Creates a new byte[] Writer instances for the given directory.
static DocValuesConsumer	Ints.getWriter(Directory dir, String id, Counter bytesUsed, DocValues.Type type, IOContext context) Creates and returns a DocValuesConsumer to write int values.
static DocValuesConsumer	Floats.getWriter(Directory dir, String id, Counter bytesUsed, IOContext context, DocValues.Type type) Creates and returns a DocValuesConsumer to write float values.

Uses of Directory in org.apache.lucene.index

Fields in org.apache.lucene.index declared as Directory

Directory	SegmentReadState.dir Directory where this segment is read from.
protected Directory	ConcurrentMergeScheduler.dir Directory that holds the index.
Directory	SegmentInfo.dir Where this segment resides.
Directory	CheckIndex.Status.dir Directory index is in.
Directory	PerDocWriteState.directory Directory to write all files to.
protected Directory	DirectoryReader.directory The index directory.
Directory	SegmentWriteState.directory Directory where this segment will be written to.

Methods in org.apache.lucene.index that return Directory

Directory	SegmentReader.directory() Returns the directory this index resides in.
Directory	DirectoryReader.directory() Returns the directory this index resides in.
Directory	IndexWriter.getDirectory() Returns the Directory used by this index.
Directory	SnapshotDeletionPolicy.SnapshotCommitPoint.getDirectory()
Directory	MergePolicy.MergeException.getDirectory() Returns the Directory of the index that hit the exception.
abstract Directory	IndexCommit.getDirectory() Returns the Directory for the index.

Methods in org.apache.lucene.index with parameters of type Directory

void	IndexWriter.addIndexes(Directory... dirs) Adds all segments from an array of indexes into this index.
void	MergePolicy.OneMerge.checkAborted(Directory dir) Called periodically by IndexWriter while merging to see if the merge is aborted.
Collection<String>	SegmentInfos.files(Directory dir, boolean includeSegmentsFile) Returns all file names referenced by SegmentInfo instances matching the provided Directory (ie files associated with any "external" segments are skipped).
static long	SegmentInfos.getLastCommitGeneration(Directory directory) Get the generation of the most recent commit to the index in this directory (N in the segments_N file).
static String	SegmentInfos.getLastCommitSegmentsFileName(Directory directory) Get the filename of the segments_N file for the most recent commit to the index in this Directory.
static boolean	DirectoryReader.indexExists(Directory directory) Returns true if an index exists at the specified directory.
static boolean	IndexWriter.isLocked(Directory directory) Returns true iff the index in the named directory is currently locked.
static List<IndexCommit>	DirectoryReader.listCommits(Directory dir) Returns all commit points that exist in the Directory.
static DirectoryReader	IndexReader.open(Directory directory) Deprecated. Use DirectoryReader.open(Directory)
static DirectoryReader	DirectoryReader.open(Directory directory) Returns a IndexReader reading the index in the given Directory
static DirectoryReader	IndexReader.open(Directory directory, int termInfosIndexDivisor) Deprecated. Use DirectoryReader.open(Directory,int)
static DirectoryReader	DirectoryReader.open(Directory directory, int termInfosIndexDivisor) Expert: Returns a IndexReader reading the index in the given Directory with the given termInfosIndexDivisor.
void	SegmentInfos.read(Directory directory) Find the latest commit (segments_N file) and load all SegmentInfoPerCommits.
void	SegmentInfos.read(Directory directory, String segmentFileName) Read a particular segmentFileName.
static Map<String,String>	PersistentSnapshotDeletionPolicy.readSnapshotsInfo(Directory dir) Reads the snapshots information from the given Directory.
String	MergePolicy.OneMerge.segString(Directory dir) Returns a readable description of the current merge state.
String	MergePolicy.MergeSpecification.segString(Directory dir) Returns a description of the merges in this specification.
String	SegmentInfos.toString(Directory directory) Returns readable description of this segment.
String	SegmentInfo.toString(Directory dir, int delCount) Used for debugging.
String	SegmentInfoPerCommit.toString(Directory dir, int pendingDelCount) Returns a description of this segment.
static void	IndexWriter.unlock(Directory directory) Forcibly unlocks the index in the named directory.
static String	SegmentInfos.write3xInfo(Directory dir, SegmentInfo si, IOContext context) Deprecated.

Constructors in org.apache.lucene.index with parameters of type Directory

CheckIndex(Directory dir)
Create a new CheckIndex on the directory.

DirectoryReader(Directory directory, AtomicReader[] segmentReaders)
Expert: Constructs a DirectoryReader on the given subReaders.

IndexUpgrader(Directory dir, IndexWriterConfig iwc, boolean deletePriorCommits)
Creates index upgrader on the given directory, using an IndexWriter using the given config.

IndexUpgrader(Directory dir, Version matchVersion)
Creates index upgrader on the given directory, using an IndexWriter using the given matchVersion.

IndexUpgrader(Directory dir, Version matchVersion, PrintStream infoStream, boolean deletePriorCommits)
Creates index upgrader on the given directory, using an IndexWriter using the given matchVersion.

IndexWriter(Directory d, IndexWriterConfig conf)
Constructs a new IndexWriter per the settings given in conf.

MergePolicy.MergeException(String message, Directory dir)
Create a MergeException.

MergePolicy.MergeException(Throwable exc, Directory dir)
Create a MergeException.

MergeState.CheckAbort(MergePolicy.OneMerge merge, Directory dir)
Creates a #CheckAbort instance.

PerDocWriteState(InfoStream infoStream, Directory directory, SegmentInfo segmentInfo, Counter bytesUsed, String segmentSuffix, IOContext context)
Creates a PerDocWriteState.

PersistentSnapshotDeletionPolicy(IndexDeletionPolicy primary, Directory dir, IndexWriterConfig.OpenMode mode, Version matchVersion)
PersistentSnapshotDeletionPolicy wraps another IndexDeletionPolicy to enable flexible snapshotting.

ReaderManager(Directory dir)
Creates and returns a new ReaderManager from the given Directory.

SegmentInfo(Directory dir, String version, String name, int docCount, boolean isCompoundFile, Codec codec, Map<String,String> diagnostics, Map<String,String> attributes)
Construct a new complete SegmentInfo instance from input.

SegmentInfos.FindSegmentsFile(Directory directory)
Sole constructor.

SegmentReadState(Directory dir, SegmentInfo info, FieldInfos fieldInfos, IOContext context, int termsIndexDivisor)
Create a SegmentReadState.

SegmentReadState(Directory dir, SegmentInfo info, FieldInfos fieldInfos, IOContext context, int termsIndexDivisor, String segmentSuffix)
Create a SegmentReadState.

SegmentWriteState(InfoStream infoStream, Directory directory, SegmentInfo segmentInfo, FieldInfos fieldInfos, int termIndexInterval, org.apache.lucene.index.BufferedDeletes segDeletes, IOContext context)
Sole constructor.

Uses of Directory in org.apache.lucene.search

Methods in org.apache.lucene.search with parameters of type Directory

long	NRTManager.TrackingIndexWriter.addIndexes(Directory... dirs)

Constructors in org.apache.lucene.search with parameters of type Directory

SearcherManager(Directory dir, SearcherFactory searcherFactory)
Creates and returns a new SearcherManager from the given Directory.

Uses of Directory in org.apache.lucene.store

Subclasses of Directory in org.apache.lucene.store

class	CompoundFileDirectory Class for accessing a compound stream.
class	FileSwitchDirectory Expert: A Directory instance that switches files between two other Directory instances.
class	FSDirectory Base class for Directory implementations that store index files in the file system.
class	MMapDirectory File-based Directory implementation that uses mmap for reading, and FSDirectory.FSIndexOutput for writing.
class	NIOFSDirectory An FSDirectory implementation that uses java.nio's FileChannel's positional read, which allows multiple threads to read from the same file without synchronizing.
class	NRTCachingDirectory Wraps a RAMDirectory around any provided delegate directory, to be used during NRT search.
class	RAMDirectory A memory-resident Directory implementation.
class	SimpleFSDirectory A straightforward implementation of FSDirectory using java.io.RandomAccessFile.
class	TrackingDirectoryWrapper A delegating Directory that records which files were written to and deleted.

Methods in org.apache.lucene.store that return Directory

Directory	NRTCachingDirectory.getDelegate()
Directory	CompoundFileDirectory.getDirectory()
Directory	FileSwitchDirectory.getPrimaryDir() Return the primary directory
Directory	FileSwitchDirectory.getSecondaryDir() Return the secondary directory

Methods in org.apache.lucene.store with parameters of type Directory

void	Directory.copy(Directory to, String src, String dest, IOContext context) Copies the file src to Directory to under the new file name dest.
void	TrackingDirectoryWrapper.copy(Directory to, String src, String dest, IOContext context)

Constructors in org.apache.lucene.store with parameters of type Directory

CompoundFileDirectory(Directory directory, String fileName, IOContext context, boolean openForWrite)
Create a new CompoundFileDirectory.

FileSwitchDirectory(Set<String> primaryExtensions, Directory primaryDir, Directory secondaryDir, boolean doClose)

NRTCachingDirectory(Directory delegate, double maxMergeSizeMB, double maxCachedMB)
We will cache a newly created output if 1) it's a flush or a merge and the estimated size of the merged segment is <= maxMergeSizeMB, and 2) the total cached bytes is <= maxCachedMB

RAMDirectory(Directory dir, IOContext context)
Creates a new RAMDirectory instance from a different Directory implementation.

TrackingDirectoryWrapper(Directory other)

Uses of Directory in org.apache.lucene.util

Methods in org.apache.lucene.util that return types with arguments of type Directory

static Class<? extends Directory>

CommandLineUtil.loadDirectoryClass(String clazzName) Loads a specific Directory implementation

Methods in org.apache.lucene.util with parameters of type Directory

static void

IOUtils.deleteFilesIgnoringExceptions(Directory dir, String... files) Deletes all given files, suppressing all thrown IOExceptions.