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

Packages that use DirectoryReader

Package	Description
org.apache.lucene.index	Code to maintain and access indices.

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.

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

Modifier and Type	Field	Description
protected final 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 final DirectoryReader	FilterDirectoryReader.doOpenIfChanged()
protected final DirectoryReader	FilterDirectoryReader.doOpenIfChanged(IndexCommit commit)
protected final DirectoryReader	FilterDirectoryReader.doOpenIfChanged(IndexWriter writer, boolean applyAllDeletes)
protected abstract DirectoryReader	FilterDirectoryReader.doWrapDirectoryReader(DirectoryReader in)	Called by the doOpenIfChanged() methods to return a new 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, int termInfosIndexDivisor)	Expert: returns an IndexReader reading the index in the given IndexCommit and termInfosIndexDivisor.
static DirectoryReader	DirectoryReader.open(IndexWriter writer, boolean applyAllDeletes)	Open a near real time IndexReader from the IndexWriter.
static DirectoryReader	DirectoryReader.open(Directory directory)	Returns a IndexReader reading the index in the given Directory
static DirectoryReader	DirectoryReader.open(Directory directory, int termInfosIndexDivisor)	Expert: Returns a IndexReader reading the index in the given Directory with the given termInfosIndexDivisor.
static DirectoryReader	IndexReader.open(IndexCommit commit)	Deprecated. Use open(IndexCommit)
static DirectoryReader	IndexReader.open(IndexCommit commit, int termInfosIndexDivisor)	Deprecated. Use open(IndexCommit,int)
static DirectoryReader	IndexReader.open(IndexWriter writer, boolean applyAllDeletes)	Deprecated. Use open(IndexWriter,boolean)
static DirectoryReader	IndexReader.open(Directory directory)	Deprecated. Use open(Directory)
static DirectoryReader	IndexReader.open(Directory directory, int termInfosIndexDivisor)	Deprecated. Use open(Directory,int)
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, boolean applyAllDeletes)	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).
protected DirectoryReader	ReaderManager.refreshIfNeeded(DirectoryReader referenceToRefresh)

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

Modifier and Type	Method	Description
protected void	ReaderManager.decRef(DirectoryReader reference)
protected abstract DirectoryReader	FilterDirectoryReader.doWrapDirectoryReader(DirectoryReader in)	Called by the doOpenIfChanged() methods to return a new wrapped DirectoryReader.
protected int	ReaderManager.getRefCount(DirectoryReader reference)
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, boolean applyAllDeletes)	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).
protected DirectoryReader	ReaderManager.refreshIfNeeded(DirectoryReader referenceToRefresh)
protected boolean	ReaderManager.tryIncRef(DirectoryReader reference)

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

Modifier	Constructor	Description
	FilterDirectoryReader(DirectoryReader in)	Create a new FilterDirectoryReader that filters a passed in DirectoryReader.
	FilterDirectoryReader(DirectoryReader in, FilterDirectoryReader.SubReaderWrapper wrapper)	Create a new FilterDirectoryReader that filters a passed in DirectoryReader, using the supplied SubReaderWrapper to wrap its subreader.