Uses of Class
org.apache.lucene.index.DirectoryReader

Packages that use DirectoryReader

Package	Description
org.apache.lucene.index
org.apache.lucene.search
org.elasticsearch.common.lucene
org.elasticsearch.common.lucene.index
org.elasticsearch.index
org.elasticsearch.index.engine
org.elasticsearch.index.fielddata
org.elasticsearch.index.fielddata.ordinals
org.elasticsearch.index.fielddata.plain
org.elasticsearch.index.shard
org.elasticsearch.search.internal

Uses of DirectoryReader in org.apache.lucene.index

Subclasses of DirectoryReader in org.apache.lucene.index

Modifier and Type	Class	Description
class	FilterDirectoryReader	A FilterDirectoryReader wraps another DirectoryReader, allowing implementations to transform or extend it.
class	SoftDeletesDirectoryReaderWrapper	This reader filters out documents that have a doc values value in the given field and treat these documents as soft deleted.
class	StandardDirectoryReader	Default implementation of DirectoryReader.

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

Modifier and Type	Field	Description
protected DirectoryReader	FilterDirectoryReader.in	The filtered DirectoryReader

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

Modifier and Type	Method	Description
protected abstract DirectoryReader	DirectoryReader.doOpenIfChanged()	Implement this method to support openIfChanged(DirectoryReader).
protected abstract DirectoryReader	DirectoryReader.doOpenIfChanged(IndexCommit commit)	Implement this method to support openIfChanged(DirectoryReader,IndexCommit).
protected abstract DirectoryReader	DirectoryReader.doOpenIfChanged(IndexWriter writer, boolean applyAllDeletes)	Implement this method to support openIfChanged(DirectoryReader,IndexWriter,boolean).
protected DirectoryReader	FilterDirectoryReader.doOpenIfChanged()
protected DirectoryReader	FilterDirectoryReader.doOpenIfChanged(IndexCommit commit)
protected DirectoryReader	FilterDirectoryReader.doOpenIfChanged(IndexWriter writer, boolean applyAllDeletes)
protected DirectoryReader	StandardDirectoryReader.doOpenIfChanged()
protected DirectoryReader	StandardDirectoryReader.doOpenIfChanged(IndexCommit commit)
protected DirectoryReader	StandardDirectoryReader.doOpenIfChanged(IndexWriter writer, boolean applyAllDeletes)
protected abstract DirectoryReader	FilterDirectoryReader.doWrapDirectoryReader(DirectoryReader in)	Called by the doOpenIfChanged() methods to return a new wrapped DirectoryReader.
protected DirectoryReader	SoftDeletesDirectoryReaderWrapper.doWrapDirectoryReader(DirectoryReader in)
DirectoryReader	FilterDirectoryReader.getDelegate()	Returns the wrapped DirectoryReader.
static DirectoryReader	DirectoryReader.open(IndexCommit commit)	Expert: returns an IndexReader reading the index in the given IndexCommit.
static DirectoryReader	DirectoryReader.open(IndexCommit commit, Map<String,String> readerAttributes)	Expert: returns an IndexReader reading the index in the given IndexCommit.
static DirectoryReader	DirectoryReader.open(IndexWriter writer)	Open a near real time IndexReader from the IndexWriter.
static DirectoryReader	DirectoryReader.open(IndexWriter writer, boolean applyAllDeletes, boolean writeAllDeletes)	Expert: open a near real time IndexReader from the IndexWriter, controlling whether past deletions should be applied.
static DirectoryReader	DirectoryReader.open(Directory directory)	Returns a IndexReader reading the index in the given Directory
static DirectoryReader	DirectoryReader.open(Directory directory, Map<String,String> readerAttributes)	Returns a IndexReader reading the index in the given Directory
static DirectoryReader	StandardDirectoryReader.open(Directory directory, SegmentInfos infos, List<? extends LeafReader> oldReaders, Map<String,String> readerAttributes)	This constructor is only used for StandardDirectoryReader.doOpenIfChanged(SegmentInfos), as well as NRT replication.
static DirectoryReader	DirectoryReader.openIfChanged(DirectoryReader oldReader)	If the index has changed since the provided reader was opened, open and return a new reader; else, return null.
static DirectoryReader	DirectoryReader.openIfChanged(DirectoryReader oldReader, IndexCommit commit)	If the IndexCommit differs from what the provided reader is searching, open and return a new reader; else, return null.
static DirectoryReader	DirectoryReader.openIfChanged(DirectoryReader oldReader, IndexWriter writer)	Expert: If there changes (committed or not) in the IndexWriter versus what the provided reader is searching, then open and return a new IndexReader searching both committed and uncommitted changes from the writer; else, return null (though, the current implementation never returns null).
static DirectoryReader	DirectoryReader.openIfChanged(DirectoryReader oldReader, IndexWriter writer, boolean applyAllDeletes)	Expert: Opens a new reader, if there are any changes, controlling whether past deletions should be applied.
static DirectoryReader	FilterDirectoryReader.unwrap(DirectoryReader reader)	Get the wrapped instance by reader as long as this reader is an instance of FilterDirectoryReader.

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

Modifier and Type	Method	Description
protected abstract DirectoryReader	FilterDirectoryReader.doWrapDirectoryReader(DirectoryReader in)	Called by the doOpenIfChanged() methods to return a new wrapped DirectoryReader.
protected DirectoryReader	SoftDeletesDirectoryReaderWrapper.doWrapDirectoryReader(DirectoryReader in)
static DirectoryReader	DirectoryReader.openIfChanged(DirectoryReader oldReader)	If the index has changed since the provided reader was opened, open and return a new reader; else, return null.
static DirectoryReader	DirectoryReader.openIfChanged(DirectoryReader oldReader, IndexCommit commit)	If the IndexCommit differs from what the provided reader is searching, open and return a new reader; else, return null.
static DirectoryReader	DirectoryReader.openIfChanged(DirectoryReader oldReader, IndexWriter writer)	Expert: If there changes (committed or not) in the IndexWriter versus what the provided reader is searching, then open and return a new IndexReader searching both committed and uncommitted changes from the writer; else, return null (though, the current implementation never returns null).
static DirectoryReader	DirectoryReader.openIfChanged(DirectoryReader oldReader, IndexWriter writer, boolean applyAllDeletes)	Expert: Opens a new reader, if there are any changes, controlling whether past deletions should be applied.
static DirectoryReader	FilterDirectoryReader.unwrap(DirectoryReader reader)	Get the wrapped instance by reader as long as this reader is an instance of FilterDirectoryReader.

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

Constructor	Description
FilterDirectoryReader(DirectoryReader in, FilterDirectoryReader.SubReaderWrapper wrapper)	Create a new FilterDirectoryReader that filters a passed in DirectoryReader, using the supplied SubReaderWrapper to wrap its subreader.
SoftDeletesDirectoryReaderWrapper(DirectoryReader in, String field)	Creates a new soft deletes wrapper.

Uses of DirectoryReader in org.apache.lucene.search

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

Constructor	Description
SearcherManager(DirectoryReader reader, SearcherFactory searcherFactory)	Creates and returns a new SearcherManager from an existing DirectoryReader.

Uses of DirectoryReader in org.elasticsearch.common.lucene

Methods in org.elasticsearch.common.lucene that return DirectoryReader

Modifier and Type	Method	Description
static DirectoryReader	Lucene.wrapAllDocsLive(DirectoryReader in)	Wraps a directory reader to make all documents live except those were rolled back or hard-deleted due to non-aborting exceptions during indexing.

Methods in org.elasticsearch.common.lucene with parameters of type DirectoryReader

Modifier and Type	Method	Description
static DirectoryReader	Lucene.wrapAllDocsLive(DirectoryReader in)	Wraps a directory reader to make all documents live except those were rolled back or hard-deleted due to non-aborting exceptions during indexing.

Uses of DirectoryReader in org.elasticsearch.common.lucene.index

Subclasses of DirectoryReader in org.elasticsearch.common.lucene.index

Modifier and Type	Class	Description
class	ElasticsearchDirectoryReader	A FilterDirectoryReader that exposes Elasticsearch internal per shard / index information like the shard ID.

Methods in org.elasticsearch.common.lucene.index that return DirectoryReader

Modifier and Type	Method	Description
protected DirectoryReader	ElasticsearchDirectoryReader.doWrapDirectoryReader(DirectoryReader in)

Methods in org.elasticsearch.common.lucene.index with parameters of type DirectoryReader

Modifier and Type	Method	Description
static void	ElasticsearchDirectoryReader.addReaderCloseListener(DirectoryReader reader, IndexReader.ClosedListener listener)	Adds the given listener to the provided directory reader.
protected DirectoryReader	ElasticsearchDirectoryReader.doWrapDirectoryReader(DirectoryReader in)
static ElasticsearchDirectoryReader	ElasticsearchDirectoryReader.getElasticsearchDirectoryReader(DirectoryReader reader)	Tries to unwrap the given reader until the first ElasticsearchDirectoryReader instance is found or null if no instance is found.
static ElasticsearchDirectoryReader	ElasticsearchDirectoryReader.wrap(DirectoryReader reader, ShardId shardId)	Wraps the given reader in a ElasticsearchDirectoryReader as well as all it's sub-readers in ElasticsearchLeafReader to expose the given shard Id.

Uses of DirectoryReader in org.elasticsearch.index

Method parameters in org.elasticsearch.index with type arguments of type DirectoryReader

Modifier and Type	Method	Description
void	IndexModule.setReaderWrapper(Function<IndexService,CheckedFunction<DirectoryReader,DirectoryReader,IOException>> indexReaderWrapperFactory)	Sets the factory for creating new DirectoryReader wrapper instances.
void	IndexModule.setReaderWrapper(Function<IndexService,CheckedFunction<DirectoryReader,DirectoryReader,IOException>> indexReaderWrapperFactory)	Sets the factory for creating new DirectoryReader wrapper instances.

Constructor parameters in org.elasticsearch.index with type arguments of type DirectoryReader

Constructor	Description
IndexService(IndexSettings indexSettings, IndexService.IndexCreationContext indexCreationContext, NodeEnvironment nodeEnv, NamedXContentRegistry xContentRegistry, SimilarityService similarityService, IndexService.ShardStoreDeleter shardStoreDeleter, IndexAnalyzers indexAnalyzers, EngineFactory engineFactory, CircuitBreakerService circuitBreakerService, BigArrays bigArrays, ThreadPool threadPool, ScriptService scriptService, ClusterService clusterService, Client client, QueryCache queryCache, IndexStorePlugin.DirectoryFactory directoryFactory, IndexEventListener eventListener, Function<IndexService,CheckedFunction<DirectoryReader,DirectoryReader,IOException>> wrapperFactory, MapperRegistry mapperRegistry, IndicesFieldDataCache indicesFieldDataCache, List<SearchOperationListener> searchOperationListeners, List<IndexingOperationListener> indexingOperationListeners, NamedWriteableRegistry namedWriteableRegistry)
IndexService(IndexSettings indexSettings, IndexService.IndexCreationContext indexCreationContext, NodeEnvironment nodeEnv, NamedXContentRegistry xContentRegistry, SimilarityService similarityService, IndexService.ShardStoreDeleter shardStoreDeleter, IndexAnalyzers indexAnalyzers, EngineFactory engineFactory, CircuitBreakerService circuitBreakerService, BigArrays bigArrays, ThreadPool threadPool, ScriptService scriptService, ClusterService clusterService, Client client, QueryCache queryCache, IndexStorePlugin.DirectoryFactory directoryFactory, IndexEventListener eventListener, Function<IndexService,CheckedFunction<DirectoryReader,DirectoryReader,IOException>> wrapperFactory, MapperRegistry mapperRegistry, IndicesFieldDataCache indicesFieldDataCache, List<SearchOperationListener> searchOperationListeners, List<IndexingOperationListener> indexingOperationListeners, NamedWriteableRegistry namedWriteableRegistry)

Uses of DirectoryReader in org.elasticsearch.index.engine

Methods in org.elasticsearch.index.engine that return DirectoryReader

Modifier and Type	Method	Description
DirectoryReader	Engine.Searcher.getDirectoryReader()
protected DirectoryReader	NoOpEngine.open(IndexCommit commit)
protected DirectoryReader	ReadOnlyEngine.open(IndexCommit commit)

Methods in org.elasticsearch.index.engine with parameters of type DirectoryReader

Modifier and Type	Method	Description
protected ElasticsearchDirectoryReader	ReadOnlyEngine.wrapReader(DirectoryReader reader, Function<DirectoryReader,DirectoryReader> readerWrapperFunction)

Method parameters in org.elasticsearch.index.engine with type arguments of type DirectoryReader

Modifier and Type	Method	Description
protected ElasticsearchDirectoryReader	ReadOnlyEngine.wrapReader(DirectoryReader reader, Function<DirectoryReader,DirectoryReader> readerWrapperFunction)
protected ElasticsearchDirectoryReader	ReadOnlyEngine.wrapReader(DirectoryReader reader, Function<DirectoryReader,DirectoryReader> readerWrapperFunction)

Constructor parameters in org.elasticsearch.index.engine with type arguments of type DirectoryReader

Constructor	Description
ReadOnlyEngine(EngineConfig config, SeqNoStats seqNoStats, TranslogStats translogStats, boolean obtainLock, Function<DirectoryReader,DirectoryReader> readerWrapperFunction)	Creates a new ReadOnlyEngine.
ReadOnlyEngine(EngineConfig config, SeqNoStats seqNoStats, TranslogStats translogStats, boolean obtainLock, Function<DirectoryReader,DirectoryReader> readerWrapperFunction)	Creates a new ReadOnlyEngine.

Uses of DirectoryReader in org.elasticsearch.index.fielddata

Methods in org.elasticsearch.index.fielddata with parameters of type DirectoryReader

Modifier and Type	Method	Description
<FD extends AtomicFieldData,IFD extends IndexFieldData.Global<FD>> IFD	IndexFieldDataCache.load(DirectoryReader indexReader, IFD indexFieldData)
<FD extends AtomicFieldData,IFD extends IndexFieldData.Global<FD>> IFD	IndexFieldDataCache.None.load(DirectoryReader indexReader, IFD indexFieldData)
IndexFieldData<FD>	IndexFieldData.Global.loadGlobal(DirectoryReader indexReader)
IndexOrdinalsFieldData	IndexOrdinalsFieldData.loadGlobal(DirectoryReader indexReader)	Load a global view of the ordinals for the given IndexReader, potentially from a cache.
IndexFieldData<FD>	IndexFieldData.Global.localGlobalDirect(DirectoryReader indexReader)
IndexOrdinalsFieldData	IndexOrdinalsFieldData.localGlobalDirect(DirectoryReader indexReader)	Load a global view of the ordinals for the given IndexReader.

Uses of DirectoryReader in org.elasticsearch.index.fielddata.ordinals

Methods in org.elasticsearch.index.fielddata.ordinals with parameters of type DirectoryReader

Modifier and Type	Method	Description
IndexOrdinalsFieldData	GlobalOrdinalsIndexFieldData.Consumer.loadGlobal(DirectoryReader indexReader)
IndexOrdinalsFieldData	GlobalOrdinalsIndexFieldData.loadGlobal(DirectoryReader indexReader)
IndexOrdinalsFieldData	GlobalOrdinalsIndexFieldData.Consumer.localGlobalDirect(DirectoryReader indexReader)
IndexOrdinalsFieldData	GlobalOrdinalsIndexFieldData.localGlobalDirect(DirectoryReader indexReader)
IndexOrdinalsFieldData	GlobalOrdinalsIndexFieldData.newConsumer(DirectoryReader source)

Uses of DirectoryReader in org.elasticsearch.index.fielddata.plain

Methods in org.elasticsearch.index.fielddata.plain with parameters of type DirectoryReader

Modifier and Type	Method	Description
IndexOrdinalsFieldData	AbstractIndexOrdinalsFieldData.loadGlobal(DirectoryReader indexReader)
IndexOrdinalsFieldData	ConstantIndexFieldData.loadGlobal(DirectoryReader indexReader)
IndexOrdinalsFieldData	SortedSetDVOrdinalsIndexFieldData.loadGlobal(DirectoryReader indexReader)
IndexOrdinalsFieldData	AbstractIndexOrdinalsFieldData.localGlobalDirect(DirectoryReader indexReader)
IndexOrdinalsFieldData	ConstantIndexFieldData.localGlobalDirect(DirectoryReader indexReader)
IndexOrdinalsFieldData	SortedSetDVOrdinalsIndexFieldData.localGlobalDirect(DirectoryReader indexReader)

Uses of DirectoryReader in org.elasticsearch.index.shard

Methods in org.elasticsearch.index.shard with parameters of type DirectoryReader

Modifier and Type	Method	Description
static ShardId	ShardUtils.extractShardId(DirectoryReader reader)	Tries to extract the shard id from a reader if possible, when its not possible, will return null.

Constructor parameters in org.elasticsearch.index.shard with type arguments of type DirectoryReader

Constructor	Description
IndexShard(ShardRouting shardRouting, IndexSettings indexSettings, ShardPath path, Store store, Supplier<Sort> indexSortSupplier, IndexCache indexCache, MapperService mapperService, SimilarityService similarityService, EngineFactory engineFactory, IndexEventListener indexEventListener, CheckedFunction<DirectoryReader,DirectoryReader,IOException> indexReaderWrapper, ThreadPool threadPool, BigArrays bigArrays, Engine.Warmer warmer, List<SearchOperationListener> searchOperationListener, List<IndexingOperationListener> listeners, Runnable globalCheckpointSyncer, RetentionLeaseSyncer retentionLeaseSyncer, CircuitBreakerService circuitBreakerService)
IndexShard(ShardRouting shardRouting, IndexSettings indexSettings, ShardPath path, Store store, Supplier<Sort> indexSortSupplier, IndexCache indexCache, MapperService mapperService, SimilarityService similarityService, EngineFactory engineFactory, IndexEventListener indexEventListener, CheckedFunction<DirectoryReader,DirectoryReader,IOException> indexReaderWrapper, ThreadPool threadPool, BigArrays bigArrays, Engine.Warmer warmer, List<SearchOperationListener> searchOperationListener, List<IndexingOperationListener> listeners, Runnable globalCheckpointSyncer, RetentionLeaseSyncer retentionLeaseSyncer, CircuitBreakerService circuitBreakerService)

Uses of DirectoryReader in org.elasticsearch.search.internal

Methods in org.elasticsearch.search.internal that return DirectoryReader

Modifier and Type	Method	Description
DirectoryReader	ContextIndexSearcher.getDirectoryReader()