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## Uses of Class
org.apache.lucene.index.IndexReader

Packages that use IndexReader
org.apache.lucene.analysis.query | Automatically filter high-frequency stopwords.
org.apache.lucene.benchmark.byTask | Benchmarking Lucene By Tasks.
org.apache.lucene.benchmark.byTask.tasks | Extendable benchmark tasks.
org.apache.lucene.facet.enhancements | Enhanced category features
org.apache.lucene.facet.enhancements.association | Association category enhancements
org.apache.lucene.facet.index | Indexing of document categories
org.apache.lucene.facet.index.params | Indexing-time specifications for handling facets
org.apache.lucene.facet.search | Faceted Search API
org.apache.lucene.facet.search.aggregator.association | Association-based aggregators.
org.apache.lucene.facet.search.cache | Caching to speed up facets accumulation.
org.apache.lucene.facet.search.params | Parameters for Faceted Search
org.apache.lucene.facet.search.params.association | Association-based Parameters for Faceted Search.
org.apache.lucene.facet.search.sampling | Sampling for facets accumulation
org.apache.lucene.facet.taxonomy.directory | Taxonomy implemented using a Lucene-Index
org.apache.lucene.facet.util | Various utilities for faceted search
org.apache.lucene.index | Code to maintain and access indices.
org.apache.lucene.index.pruning | Static Index Pruning Tools
org.apache.lucene.misc | Miscellaneous index tools.
org.apache.lucene.queryParser.surround.query | This package contains SrndQuery and its subclasses.
org.apache.lucene.search | Code to search indices.
org.apache.lucene.search.function | Programmatic control over documents scores.
org.apache.lucene.search.grouping | This module enables search result grouping with Lucene, where hits with the same value in the specified single-valued group field are grouped together.
org.apache.lucene.search.highlight | The highlight package contains classes to provide "keyword in context" features typically used to highlight search terms in the text of results pages.
org.apache.lucene.search.join | This modules support index-time and query-time joins.
org.apache.lucene.search.payloads | The payloads package provides Query mechanisms for finding and using payloads.
org.apache.lucene.search.regex | Regular expression Query.
org.apache.lucene.search.similar | Document similarity query generators.
org.apache.lucene.search.spans | The calculus of spans.
org.apache.lucene.search.spell | Suggest alternate spellings for words.
org.apache.lucene.search.vectorhighlight | This is an another highlighter implementation.
org.apache.lucene.spatial.geohash | Support for Geohash encoding, decoding, and filtering.
org.apache.lucene.spatial.tier | Support for filtering based upon geographic location.
org.apache.lucene.store.instantiated | InstantiatedIndex, alternative RAM store for small corpora.
org.apache.lucene.util | Some utility classes.

Uses of IndexReader in org.apache.lucene.analysis.query

Methods in org.apache.lucene.analysis.query with parameters of type IndexReader
`int` | `QueryAutoStopWordAnalyzer.addStopWords(IndexReader reader)` Deprecated. Stopwords should be calculated at instantiation using `QueryAutoStopWordAnalyzer.QueryAutoStopWordAnalyzer(Version, Analyzer, IndexReader)`
`int` | `QueryAutoStopWordAnalyzer.addStopWords(IndexReader reader, float maxPercentDocs)` Deprecated. Stowords should be calculated at instantiation using `QueryAutoStopWordAnalyzer.QueryAutoStopWordAnalyzer(Version, Analyzer, IndexReader, float)`
`int` | `QueryAutoStopWordAnalyzer.addStopWords(IndexReader reader, int maxDocFreq)` Deprecated. Stopwords should be calculated at instantiation using `QueryAutoStopWordAnalyzer.QueryAutoStopWordAnalyzer(Version, Analyzer, IndexReader, int)`
`int` | `QueryAutoStopWordAnalyzer.addStopWords(IndexReader reader, String fieldName, float maxPercentDocs)` Deprecated. Stowords should be calculated at instantiation using `QueryAutoStopWordAnalyzer.QueryAutoStopWordAnalyzer(Version, Analyzer, IndexReader, Collection, float)`
`int` | `QueryAutoStopWordAnalyzer.addStopWords(IndexReader reader, String fieldName, int maxDocFreq)` Deprecated. Stowords should be calculated at instantiation using `QueryAutoStopWordAnalyzer.QueryAutoStopWordAnalyzer(Version, Analyzer, IndexReader, Collection, int)`

Constructors in org.apache.lucene.analysis.query with parameters of type IndexReader
`QueryAutoStopWordAnalyzer(Version matchVersion, Analyzer delegate, IndexReader indexReader)` Creates a new QueryAutoStopWordAnalyzer with stopwords calculated for all indexed fields from terms with a document frequency percentage greater than `QueryAutoStopWordAnalyzer.defaultMaxDocFreqPercent`
`QueryAutoStopWordAnalyzer(Version matchVersion, Analyzer delegate, IndexReader indexReader, Collection<String> fields, float maxPercentDocs)` Creates a new QueryAutoStopWordAnalyzer with stopwords calculated for the given selection of fields from terms with a document frequency percentage greater than the given maxPercentDocs
`QueryAutoStopWordAnalyzer(Version matchVersion, Analyzer delegate, IndexReader indexReader, Collection<String> fields, int maxDocFreq)` Creates a new QueryAutoStopWordAnalyzer with stopwords calculated for the given selection of fields from terms with a document frequency greater than the given maxDocFreq
`QueryAutoStopWordAnalyzer(Version matchVersion, Analyzer delegate, IndexReader indexReader, float maxPercentDocs)` Creates a new QueryAutoStopWordAnalyzer with stopwords calculated for all indexed fields from terms with a document frequency percentage greater than the given maxPercentDocs
`QueryAutoStopWordAnalyzer(Version matchVersion, Analyzer delegate, IndexReader indexReader, int maxDocFreq)` Creates a new QueryAutoStopWordAnalyzer with stopwords calculated for all indexed fields from terms with a document frequency greater than the given maxDocFreq

Uses of IndexReader in org.apache.lucene.benchmark.byTask

Methods in org.apache.lucene.benchmark.byTask that return IndexReader
`IndexReader` | `PerfRunData.getIndexReader()`

Methods in org.apache.lucene.benchmark.byTask with parameters of type IndexReader
`void` | `PerfRunData.setIndexReader(IndexReader indexReader)` Set the index reader.

Uses of IndexReader in org.apache.lucene.benchmark.byTask.tasks

Methods in org.apache.lucene.benchmark.byTask.tasks with parameters of type IndexReader
`abstract int` | `BenchmarkHighlighter.doHighlight(IndexReader reader, int doc, String field, Document document, Analyzer analyzer, String text)`
`protected Document` | `ReadTask.retrieveDoc(IndexReader ir, int id)`
`protected Document` | `SearchTravRetLoadFieldSelectorTask.retrieveDoc(IndexReader ir, int id)`

Uses of IndexReader in org.apache.lucene.facet.enhancements

Constructors in org.apache.lucene.facet.enhancements with parameters of type IndexReader
`EnhancementsPayloadIterator(List<CategoryEnhancement> enhancementsList, IndexReader indexReader, Term term)` Constructor.

Uses of IndexReader in org.apache.lucene.facet.enhancements.association

Constructors in org.apache.lucene.facet.enhancements.association with parameters of type IndexReader
`AssociationsPayloadIterator(IndexReader reader, String field)` Construct a new association-iterator, initializing the inner payload iterator, with the supplied term and checking whether there are any associations within the given index

Uses of IndexReader in org.apache.lucene.facet.index

Methods in org.apache.lucene.facet.index with parameters of type IndexReader
`PayloadProcessorProvider.ReaderPayloadProcessor` | `FacetsPayloadProcessorProvider.getReaderProcessor(IndexReader reader)`

Uses of IndexReader in org.apache.lucene.facet.index.params

Methods in org.apache.lucene.facet.index.params with parameters of type IndexReader
`CategoryListIterator` | `CategoryListParams.createCategoryListIterator(IndexReader reader, int partition)` Create the category list iterator for the specified partition.

Uses of IndexReader in org.apache.lucene.facet.search

Fields in org.apache.lucene.facet.search declared as IndexReader
`protected IndexReader` | `FacetsAccumulator.indexReader`

Methods in org.apache.lucene.facet.search with parameters of type IndexReader
`TotalFacetCounts` | `TotalFacetCountsCache.getTotalCounts(IndexReader indexReader, TaxonomyReader taxonomy, FacetIndexingParams facetIndexingParams, CategoryListCache clCache)` Get the total facet counts for a reader/taxonomy pair and facet indexing parameters.
`protected FacetsAccumulator` | `FacetsCollector.initFacetsAccumulator(FacetSearchParams facetSearchParams, IndexReader indexReader, TaxonomyReader taxonomyReader)` Create the `FacetsAccumulator` to be used.
`protected ScoredDocIdCollector` | `FacetsCollector.initScoredDocCollector(FacetSearchParams facetSearchParams, IndexReader indexReader, TaxonomyReader taxonomyReader)` Create a `ScoredDocIdCollector` to be used as the first phase of the facet collection.
`void` | `TotalFacetCountsCache.load(File inputFile, IndexReader indexReader, TaxonomyReader taxonomy, FacetIndexingParams facetIndexingParams)` Load `TotalFacetCounts` matching input parameters from the provided outputFile and add them into the cache for the provided indexReader, taxonomy, and facetIndexingParams.
`void` | `FacetsCollector.setNextReader(IndexReader reader, int docBase)`
`void` | `ScoredDocIdCollector.setNextReader(IndexReader reader, int base)`
`void` | `TotalFacetCountsCache.store(File outputFile, IndexReader indexReader, TaxonomyReader taxonomy, FacetIndexingParams facetIndexingParams, CategoryListCache clCache)` Store the `TotalFacetCounts` matching input parameters into the provided outputFile, making them available for a later call to `TotalFacetCountsCache.load(File, IndexReader, TaxonomyReader, FacetIndexingParams)`.

Constructors in org.apache.lucene.facet.search with parameters of type IndexReader
`AdaptiveFacetsAccumulator(FacetSearchParams searchParams, IndexReader indexReader, TaxonomyReader taxonomyReader)` Create an `AdaptiveFacetsAccumulator`
`AdaptiveFacetsAccumulator(FacetSearchParams searchParams, IndexReader indexReader, TaxonomyReader taxonomyReader, IntArrayAllocator intArrayAllocator, FloatArrayAllocator floatArrayAllocator)` Create an `AdaptiveFacetsAccumulator`
`FacetsAccumulator(FacetSearchParams searchParams, IndexReader indexReader, TaxonomyReader taxonomyReader)`
`FacetsCollector(FacetSearchParams facetSearchParams, IndexReader indexReader, TaxonomyReader taxonomyReader)` Create a collector for accumulating facets while collecting documents during search.
`PayloadIntDecodingIterator(IndexReader indexReader, Term term, IntDecoder decoder)`
`PayloadIntDecodingIterator(IndexReader indexReader, Term term, IntDecoder decoder, byte[] buffer)`
`PayloadIterator(IndexReader indexReader, Term term)`
`PayloadIterator(IndexReader indexReader, Term term, byte[] buffer)`
`StandardFacetsAccumulator(FacetSearchParams searchParams, IndexReader indexReader, TaxonomyReader taxonomyReader)`
`StandardFacetsAccumulator(FacetSearchParams searchParams, IndexReader indexReader, TaxonomyReader taxonomyReader, IntArrayAllocator intArrayAllocator, FloatArrayAllocator floatArrayAllocator)`

Uses of IndexReader in org.apache.lucene.facet.search.aggregator.association

Constructors in org.apache.lucene.facet.search.aggregator.association with parameters of type IndexReader
`AssociationFloatSumAggregator(IndexReader reader, float[] sumArray)`
`AssociationFloatSumAggregator(String field, IndexReader reader, float[] sumArray)`
`AssociationIntSumAggregator(IndexReader reader, int[] sumArray)`
`AssociationIntSumAggregator(String field, IndexReader reader, int[] sumArray)`

Uses of IndexReader in org.apache.lucene.facet.search.cache

Methods in org.apache.lucene.facet.search.cache with parameters of type IndexReader
`void` | `CategoryListCache.loadAndRegister(CategoryListParams clp, IndexReader reader, TaxonomyReader taxo, FacetIndexingParams iparams)` Load and register `CategoryListData`.

Uses of IndexReader in org.apache.lucene.facet.search.params

Methods in org.apache.lucene.facet.search.params with parameters of type IndexReader
`Aggregator` | `ScoreFacetRequest.createAggregator(boolean useComplements, FacetArrays arrays, IndexReader reader, TaxonomyReader taxonomy)`
`Aggregator` | `CountFacetRequest.createAggregator(boolean useComplements, FacetArrays arrays, IndexReader reader, TaxonomyReader taxonomy)`
`abstract Aggregator` | `FacetRequest.createAggregator(boolean useComplements, FacetArrays arrays, IndexReader indexReader, TaxonomyReader taxonomy)` Create an aggregator for this facet request.
`CategoryListIterator` | `FacetRequest.createCategoryListIterator(IndexReader reader, TaxonomyReader taxo, FacetSearchParams sParams, int partition)` Create the category list iterator for the specified partition.

Uses of IndexReader in org.apache.lucene.facet.search.params.association

Methods in org.apache.lucene.facet.search.params.association with parameters of type IndexReader
`Aggregator` | `AssociationIntSumFacetRequest.createAggregator(boolean useComplements, FacetArrays arrays, IndexReader reader, TaxonomyReader taxonomy)`
`Aggregator` | `AssociationFloatSumFacetRequest.createAggregator(boolean useComplements, FacetArrays arrays, IndexReader reader, TaxonomyReader taxonomy)`

Uses of IndexReader in org.apache.lucene.facet.search.sampling

Methods in org.apache.lucene.facet.search.sampling with parameters of type IndexReader
`SampleFixer` | `Sampler.getSampleFixer(IndexReader indexReader, TaxonomyReader taxonomyReader, FacetSearchParams searchParams)` Get a fixer of sample facet accumulation results.

Constructors in org.apache.lucene.facet.search.sampling with parameters of type IndexReader
`SamplingAccumulator(Sampler sampler, FacetSearchParams searchParams, IndexReader indexReader, TaxonomyReader taxonomyReader)` Constructor...
`SamplingAccumulator(Sampler sampler, FacetSearchParams searchParams, IndexReader indexReader, TaxonomyReader taxonomyReader, IntArrayAllocator intArrayAllocator, FloatArrayAllocator floatArrayAllocator)` Constructor...

Uses of IndexReader in org.apache.lucene.facet.taxonomy.directory

Methods in org.apache.lucene.facet.taxonomy.directory that return IndexReader
`protected IndexReader` | `DirectoryTaxonomyReader.openIndexReader(Directory directory)`
`protected IndexReader` | `DirectoryTaxonomyWriter.openReader()` Open an `IndexReader` from the internal `IndexWriter`, by calling `open(IndexWriter, boolean)`.

Uses of IndexReader in org.apache.lucene.facet.util

Methods in org.apache.lucene.facet.util with parameters of type IndexReader
`static ScoredDocIDs` | `ScoredDocIdsUtils.createAllDocsScoredDocIDs(IndexReader reader)` Creates a `ScoredDocIDs` which returns document IDs all non-deleted doc ids according to the given reader.
`static ScoredDocIDs` | `ScoredDocIdsUtils.getComplementSet(ScoredDocIDs docids, IndexReader reader)` Create a complement of the input set.

Uses of IndexReader in org.apache.lucene.index

Subclasses of IndexReader in org.apache.lucene.index
`class` | `FilterIndexReader` A `FilterIndexReader` contains another IndexReader, which it uses as its basic source of data, possibly transforming the data along the way or providing additional functionality.
`class` | `MultiReader` An IndexReader which reads multiple indexes, appending their content.
`class` | `ParallelReader` An IndexReader which reads multiple, parallel indexes.
`class` | `PruningReader` This class produces a subset of the input index, by removing some postings data according to rules implemented in a `TermPruningPolicy`, and optionally it can also remove stored fields of documents according to rules implemented in a `StorePruningPolicy`.
`class` | `SegmentReader` IndexReader implementation over a single segment.
`class` | `SlowMultiReaderWrapper` Acts like Lucene 4.x's SlowMultiReaderWrapper for testing of top-level MultiTermEnum, MultiTermDocs, ...

Fields in org.apache.lucene.index declared as IndexReader
`protected IndexReader` | `FilterIndexReader.in`
`protected IndexReader[]` | `MultiReader.subReaders`

Methods in org.apache.lucene.index that return IndexReader
`IndexReader` | `ParallelReader.clone(boolean openReadOnly)` Deprecated. Write support will be removed in Lucene 4.0. Use `ParallelReader.clone()` instead.
`IndexReader` | `IndexReader.clone(boolean openReadOnly)` Deprecated. Write support will be removed in Lucene 4.0. Use `clone()` instead.
`IndexReader` | `MultiReader.clone(boolean openReadOnly)` Deprecated. Write support will be removed in Lucene 4.0. Use `MultiReader.clone()` instead.
`IndexReader` | `SegmentReader.clone(boolean openReadOnly)` Deprecated.
`protected IndexReader` | `ParallelReader.doOpenIfChanged()`
`protected IndexReader` | `IndexReader.doOpenIfChanged()` If the index has changed since it was opened, open and return a new reader; else, return `null`.
`protected IndexReader` | `MultiReader.doOpenIfChanged()`
`protected IndexReader` | `SegmentReader.doOpenIfChanged()`
`protected IndexReader` | `ParallelReader.doOpenIfChanged(boolean openReadOnly)` Deprecated. Write support will be removed in Lucene 4.0. Use `ParallelReader.doOpenIfChanged()` instead.
`protected IndexReader` | `IndexReader.doOpenIfChanged(boolean openReadOnly)` Deprecated. Write support will be removed in Lucene 4.0. Use `doOpenIfChanged()` instead
`protected IndexReader` | `MultiReader.doOpenIfChanged(boolean openReadOnly)` Deprecated. Write support will be removed in Lucene 4.0. Use `MultiReader.doOpenIfChanged()` instead.
`protected IndexReader` | `SegmentReader.doOpenIfChanged(boolean openReadOnly)` Deprecated.
`protected IndexReader` | `IndexReader.doOpenIfChanged(IndexCommit commit)` If the index has changed since it was opened, open and return a new reader; else, return `null`.
`protected IndexReader` | `IndexReader.doOpenIfChanged(IndexWriter writer, boolean applyAllDeletes)` If the index has changed since it was opened, open and return a new reader; else, return `null`.
`IndexReader` | `RandomIndexWriter.getReader()`
`IndexReader` | `IndexWriter.getReader()` Deprecated. Please use `open(IndexWriter,boolean)` instead.
`IndexReader` | `RandomIndexWriter.getReader(boolean applyDeletions)`
`IndexReader` | `IndexWriter.getReader(int termInfosIndexDivisor)` Deprecated. Please use `open(IndexWriter,boolean)` instead. Furthermore, this method cannot guarantee the reader (and its sub-readers) will be opened with the termInfosIndexDivisor setting because some of them may have already been opened according to `IndexWriterConfig.setReaderTermsIndexDivisor(int)`. You should set the requested termInfosIndexDivisor through `IndexWriterConfig.setReaderTermsIndexDivisor(int)` and use `IndexWriter.getReader()`.
`IndexReader[]` | `PruningReader.getSequentialSubReaders()`
`IndexReader[]` | `SlowMultiReaderWrapper.getSequentialSubReaders()`
`IndexReader[]` | `IndexReader.getSequentialSubReaders()` Expert: returns the sequential sub readers that this reader is logically composed of.
`IndexReader[]` | `MultiReader.getSequentialSubReaders()`
`IndexReader[]` | `FilterIndexReader.getSequentialSubReaders()`
`static IndexReader` | `IndexReader.open(Directory directory)` Returns a IndexReader reading the index in the given Directory, with readOnly=true.
`static IndexReader` | `IndexReader.open(Directory directory, boolean readOnly)` Deprecated. Write support will be removed in Lucene 4.0. Use `open(Directory)` instead
`static IndexReader` | `IndexReader.open(Directory directory, IndexDeletionPolicy deletionPolicy, boolean readOnly)` Deprecated. Write support will be removed in Lucene 4.0. Use `open(Directory)` instead
`static IndexReader` | `IndexReader.open(Directory directory, IndexDeletionPolicy deletionPolicy, boolean readOnly, int termInfosIndexDivisor)` Deprecated. Write support will be removed in Lucene 4.0. Use `open(Directory,int)` instead
`static IndexReader` | `IndexReader.open(Directory directory, int termInfosIndexDivisor)` Expert: Returns a IndexReader reading the index in the given Director and given termInfosIndexDivisor
`static IndexReader` | `IndexReader.open(IndexCommit commit)` Expert: returns an IndexReader reading the index in the given `IndexCommit`.
`static IndexReader` | `IndexReader.open(IndexCommit commit, boolean readOnly)` Deprecated. Write support will be removed in Lucene 4.0. Use `open(IndexCommit)` instead
`static IndexReader` | `IndexReader.open(IndexCommit commit, IndexDeletionPolicy deletionPolicy, boolean readOnly)` Deprecated. Write support will be removed in Lucene 4.0. Use `open(IndexCommit)` instead
`static IndexReader` | `IndexReader.open(IndexCommit commit, IndexDeletionPolicy deletionPolicy, boolean readOnly, int termInfosIndexDivisor)` Deprecated. Write support will be removed in Lucene 4.0. Use `open(IndexCommit,int)` instead
`static IndexReader` | `IndexReader.open(IndexCommit commit, int termInfosIndexDivisor)` Expert: returns an IndexReader reading the index in the given `IndexCommit` and termInfosIndexDivisor.
`static IndexReader` | `IndexReader.open(IndexWriter writer, boolean applyAllDeletes)` Open a near real time IndexReader from the `IndexWriter`.
`static IndexReader` | `IndexReader.openIfChanged(IndexReader oldReader)` If the index has changed since the provided reader was opened, open and return a new reader; else, return null.
`static IndexReader` | `IndexReader.openIfChanged(IndexReader oldReader, boolean readOnly)` Deprecated. Write support will be removed in Lucene 4.0. Use `openIfChanged(IndexReader)` instead
`static IndexReader` | `IndexReader.openIfChanged(IndexReader oldReader, IndexCommit commit)` If the IndexCommit differs from what the provided reader is searching, or the provided reader is not already read-only, open and return a new `readOnly=true` reader; else, return null.
`static IndexReader` | `IndexReader.openIfChanged(IndexReader 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 read-only IndexReader searching both committed and uncommitted changes from the writer; else, return null (though, the current implementation never returns null).
`IndexReader` | `IndexReader.reopen()` Deprecated. Use `openIfChanged(IndexReader)` instead
`IndexReader` | `IndexReader.reopen(boolean openReadOnly)` Deprecated. Write support will be removed in Lucene 4.0. Use `openIfChanged(IndexReader)` instead
`IndexReader` | `IndexReader.reopen(IndexCommit commit)` Deprecated. Use `openIfChanged(IndexReader,IndexCommit)` instead
`IndexReader` | `IndexReader.reopen(IndexWriter writer, boolean applyAllDeletes)` Deprecated. Use `openIfChanged(IndexReader,IndexWriter,boolean)` instead

Methods in org.apache.lucene.index with parameters of type IndexReader
`void` | `TermVectorAccessor.accept(IndexReader indexReader, int documentNumber, String fieldName, TermVectorMapper mapper)` Visits the TermVectorMapper and populates it with terms available for a given document, either via a vector created at index time or by resolving them from the inverted index.
`void` | `ParallelReader.add(IndexReader reader)` Add an IndexReader.
`void` | `ParallelReader.add(IndexReader reader, boolean ignoreStoredFields)` Add an IndexReader whose stored fields will not be returned.
`void` | `RandomIndexWriter.addIndexes(IndexReader... readers)`
`void` | `IndexWriter.addIndexes(IndexReader... readers)` Merges the provided indexes into this index.
`PayloadProcessorProvider.ReaderPayloadProcessor` | `PayloadProcessorProvider.getReaderProcessor(IndexReader reader)` Returns a `PayloadProcessorProvider.ReaderPayloadProcessor` for the given `Directory`, through which `PayloadProcessorProvider.ReaderPayloadProcessor`s can be obtained for each `Term`, or `null` if none should be used.
`void` | `IndexReader.ReaderClosedListener.onClose(IndexReader reader)`
`static IndexReader` | `IndexReader.openIfChanged(IndexReader oldReader)` If the index has changed since the provided reader was opened, open and return a new reader; else, return null.
`static IndexReader` | `IndexReader.openIfChanged(IndexReader oldReader, boolean readOnly)` Deprecated. Write support will be removed in Lucene 4.0. Use `openIfChanged(IndexReader)` instead
`static IndexReader` | `IndexReader.openIfChanged(IndexReader oldReader, IndexCommit commit)` If the IndexCommit differs from what the provided reader is searching, or the provided reader is not already read-only, open and return a new `readOnly=true` reader; else, return null.
`static IndexReader` | `IndexReader.openIfChanged(IndexReader 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 read-only IndexReader searching both committed and uncommitted changes from the writer; else, return null (though, the current implementation never returns null).
`void` | `MultiPassIndexSplitter.split(IndexReader input, Directory[] outputs, boolean seq)` Deprecated. use `MultiPassIndexSplitter.split(Version, IndexReader, Directory[], boolean)` instead. This method will be removed in Lucene 4.0.
`void` | `MultiPassIndexSplitter.split(Version version, IndexReader input, Directory[] outputs, boolean seq)` Split source index into multiple parts.
`abstract void` | `IndexWriter.IndexReaderWarmer.warm(IndexReader reader)`

Constructors in org.apache.lucene.index with parameters of type IndexReader
`FilterIndexReader(IndexReader in)` Construct a FilterIndexReader based on the specified base reader.
`MultipleTermPositions(IndexReader indexReader, Term[] terms)` Creates a new `MultipleTermPositions` instance.
`MultiReader(IndexReader... subReaders)` Construct a MultiReader aggregating the named set of (sub)readers.
`MultiReader(IndexReader[] subReaders, boolean closeSubReaders)` Construct a MultiReader aggregating the named set of (sub)readers.
`PruningReader(IndexReader in, StorePruningPolicy storePolicy, TermPruningPolicy termPolicy)` Constructor.
`SlowMultiReaderWrapper(IndexReader reader)`

Uses of IndexReader in org.apache.lucene.index.pruning

Fields in org.apache.lucene.index.pruning declared as IndexReader
`protected IndexReader` | `StorePruningPolicy.in`
`protected IndexReader` | `TermPruningPolicy.in`

Constructors in org.apache.lucene.index.pruning with parameters of type IndexReader
`CarmelTopKTermPruningPolicy(IndexReader in, Map<String,Integer> fieldFlags)` Constructor with default parameters
`CarmelTopKTermPruningPolicy(IndexReader in, Map<String,Integer> fieldFlags, int k, float epsilon, int r, Similarity sim)` Constructor with specific settings
`CarmelUniformTermPruningPolicy(IndexReader in, Map<String,Integer> fieldFlags, Map<String,Float> thresholds, float defThreshold, Similarity sim)`
`RIDFTermPruningPolicy(IndexReader in, Map<String,Integer> fieldFlags, Map<String,Double> thresholds, double defThreshold)`
`StorePruningPolicy(IndexReader in, Map<String,Integer> fieldFlags)` Constructs a policy.
`TermPruningPolicy(IndexReader in, Map<String,Integer> fieldFlags)` Construct a policy.
`TFTermPruningPolicy(IndexReader in, Map<String,Integer> fieldFlags, Map<String,Integer> thresholds, int defThreshold)`

Uses of IndexReader in org.apache.lucene.misc

Methods in org.apache.lucene.misc with parameters of type IndexReader
`static org.apache.lucene.misc.TermStats[]` | `HighFreqTerms.getHighFreqTerms(IndexReader reader, int numTerms, String field)`
`static long` | `HighFreqTerms.getTotalTermFreq(IndexReader reader, Term term)`
`static org.apache.lucene.misc.TermStats[]` | `HighFreqTerms.sortByTotalTermFreq(IndexReader reader, org.apache.lucene.misc.TermStats[] terms)` Takes array of TermStats.

Uses of IndexReader in org.apache.lucene.queryParser.surround.query

Methods in org.apache.lucene.queryParser.surround.query that return IndexReader
`IndexReader` | `SpanNearClauseFactory.getIndexReader()`

Methods in org.apache.lucene.queryParser.surround.query with parameters of type IndexReader
`Query` | `DistanceQuery.getSpanNearQuery(IndexReader reader, String fieldName, float boost, BasicQueryFactory qf)`
`abstract void` | `SimpleTerm.visitMatchingTerms(IndexReader reader, String fieldName, SimpleTerm.MatchingTermVisitor mtv)`
`void` | `SrndPrefixQuery.visitMatchingTerms(IndexReader reader, String fieldName, SimpleTerm.MatchingTermVisitor mtv)`
`void` | `SrndTermQuery.visitMatchingTerms(IndexReader reader, String fieldName, SimpleTerm.MatchingTermVisitor mtv)`
`void` | `SrndTruncQuery.visitMatchingTerms(IndexReader reader, String fieldName, SimpleTerm.MatchingTermVisitor mtv)`

Constructors in org.apache.lucene.queryParser.surround.query with parameters of type IndexReader
`SpanNearClauseFactory(IndexReader reader, String fieldName, BasicQueryFactory qf)`

Uses of IndexReader in org.apache.lucene.search

Fields in org.apache.lucene.search declared as IndexReader
`protected static IndexReader` | `SearchEquivalenceTestBase.reader`
`protected IndexReader` | `FieldCacheDocIdSet.reader`
`protected IndexReader[]` | `IndexSearcher.subReaders`

Methods in org.apache.lucene.search that return IndexReader
`IndexReader` | `IndexSearcher.getIndexReader()` Return the `IndexReader` this searches.
`IndexReader[]` | `IndexSearcher.getSubReaders()` Returns the atomic subReaders used by this searcher.

Methods in org.apache.lucene.search with parameters of type IndexReader
`long` | `NRTManager.TrackingIndexWriter.addIndexes(IndexReader... readers)`
`abstract SpanFilterResult` | `SpanFilter.bitSpans(IndexReader reader)` Returns a SpanFilterResult with true for documents which should be permitted in search results, and false for those that should not and Spans for where the true docs match.
`SpanFilterResult` | `CachingSpanFilter.bitSpans(IndexReader reader)`
`SpanFilterResult` | `SpanQueryFilter.bitSpans(IndexReader reader)`
`protected DocIdSet` | `CachingWrapperFilter.docIdSetToCache(DocIdSet docIdSet, IndexReader reader)` Provide the DocIdSet to be cached, using the DocIdSet provided by the wrapped Filter.
`Explanation` | `ConstantScoreQuery.ConstantWeight.explain(IndexReader reader, int doc)`
`Explanation` | `DisjunctionMaxQuery.DisjunctionMaxWeight.explain(IndexReader reader, int doc)` Explain the score we computed for doc
`Explanation` | `BooleanQuery.BooleanWeight.explain(IndexReader reader, int doc)`
`abstract Explanation` | `Weight.explain(IndexReader reader, int doc)` An explanation of the score computation for the named document.
`protected void` | `IndexSearcher.gatherSubReaders(List<IndexReader> allSubReaders, IndexReader r)`
`byte[]` | `FieldCache.getBytes(IndexReader reader, String field)` Checks the internal cache for an appropriate entry, and if none is found, reads the terms in `field` as a single byte and returns an array of size `reader.maxDoc()` of the value each document has in the given field.
`byte[]` | `FieldCache.getBytes(IndexReader reader, String field, FieldCache.ByteParser parser)` Checks the internal cache for an appropriate entry, and if none is found, reads the terms in `field` as bytes and returns an array of size `reader.maxDoc()` of the value each document has in the given field.
`byte[]` | `FieldCache.getBytes(IndexReader reader, String field, FieldCache.ByteParser parser, boolean setDocsWithField)` Checks the internal cache for an appropriate entry, and if none is found, reads the terms in `field` as bytes and returns an array of size `reader.maxDoc()` of the value each document has in the given field.
`DocIdSet` | `RemoteCachingWrapperFilter.getDocIdSet(IndexReader reader)` Deprecated. Uses the `FilterManager` to keep the cache for a filter on the searcher side of a remote connection.
`DocIdSet` | `ChainedFilter.getDocIdSet(IndexReader reader)` `Filter.getDocIdSet(org.apache.lucene.index.IndexReader)`.
`DocIdSet` | `BooleanFilter.getDocIdSet(IndexReader reader)` Returns the a DocIdSetIterator representing the Boolean composition of the filters that have been added.
`DocIdSet` | `DuplicateFilter.getDocIdSet(IndexReader reader)`
`DocIdSet` | `TermsFilter.getDocIdSet(IndexReader reader)`
`DocIdSet` | `CachingWrapperFilterHelper.getDocIdSet(IndexReader reader)`
`DocIdSet` | `FieldValueFilter.getDocIdSet(IndexReader reader)`
`DocIdSet` | `FieldCacheTermsFilter.getDocIdSet(IndexReader reader)`
`abstract DocIdSet` | `FieldCacheRangeFilter.getDocIdSet(IndexReader reader)` This method is implemented for each data type
`DocIdSet` | `CachingSpanFilter.getDocIdSet(IndexReader reader)`
`DocIdSet` | `QueryWrapperFilter.getDocIdSet(IndexReader reader)`
`abstract DocIdSet` | `Filter.getDocIdSet(IndexReader reader)` Creates a `DocIdSet` enumerating the documents that should be permitted in search results.
`DocIdSet` | `MultiTermQueryWrapperFilter.getDocIdSet(IndexReader reader)` Returns a DocIdSet with documents that should be permitted in search results.
`DocIdSet` | `SpanQueryFilter.getDocIdSet(IndexReader reader)`
`DocIdSet` | `CachingWrapperFilter.getDocIdSet(IndexReader reader)`
`Bits` | `FieldCache.getDocsWithField(IndexReader reader, String field)` Checks the internal cache for an appropriate entry, and if none is found, reads the terms in `field` and returns a bit set at the size of `reader.maxDoc()`, with turned on bits for each docid that does have a value for this field.
`double[]` | `FieldCache.getDoubles(IndexReader reader, String field)` Checks the internal cache for an appropriate entry, and if none is found, reads the terms in `field` as integers and returns an array of size `reader.maxDoc()` of the value each document has in the given field.
`double[]` | `FieldCache.getDoubles(IndexReader reader, String field, FieldCache.DoubleParser parser)` Checks the internal cache for an appropriate entry, and if none is found, reads the terms in `field` as doubles and returns an array of size `reader.maxDoc()` of the value each document has in the given field.
`double[]` | `FieldCache.getDoubles(IndexReader reader, String field, FieldCache.DoubleParser parser, boolean setDocsWithField)` Checks the internal cache for an appropriate entry, and if none is found, reads the terms in `field` as doubles and returns an array of size `reader.maxDoc()` of the value each document has in the given field.
`protected FilteredTermEnum` | `PrefixQuery.getEnum(IndexReader reader)`
`protected abstract FilteredTermEnum` | `MultiTermQuery.getEnum(IndexReader reader)` Construct the enumeration to be used, expanding the pattern term.
`protected FilteredTermEnum` | `TermRangeQuery.getEnum(IndexReader reader)`
`protected FilteredTermEnum` | `NumericRangeQuery.getEnum(IndexReader reader)`
`protected FilteredTermEnum` | `FuzzyQuery.getEnum(IndexReader reader)`
`protected FilteredTermEnum` | `WildcardQuery.getEnum(IndexReader reader)`
`float[]` | `FieldCache.getFloats(IndexReader reader, String field)` Checks the internal cache for an appropriate entry, and if none is found, reads the terms in `field` as floats and returns an array of size `reader.maxDoc()` of the value each document has in the given field.
`float[]` | `FieldCache.getFloats(IndexReader reader, String field, FieldCache.FloatParser parser)` Checks the internal cache for an appropriate entry, and if none is found, reads the terms in `field` as floats and returns an array of size `reader.maxDoc()` of the value each document has in the given field.
`float[]` | `FieldCache.getFloats(IndexReader reader, String field, FieldCache.FloatParser parser, boolean setDocsWithField)` Checks the internal cache for an appropriate entry, and if none is found, reads the terms in `field` as floats and returns an array of size `reader.maxDoc()` of the value each document has in the given field.
`int[]` | `FieldCache.getInts(IndexReader reader, String field)` Checks the internal cache for an appropriate entry, and if none is found, reads the terms in `field` as integers and returns an array of size `reader.maxDoc()` of the value each document has in the given field.
`int[]` | `FieldCache.getInts(IndexReader reader, String field, FieldCache.IntParser parser)` Checks the internal cache for an appropriate entry, and if none is found, reads the terms in `field` as integers and returns an array of size `reader.maxDoc()` of the value each document has in the given field.
`int[]` | `FieldCache.getInts(IndexReader reader, String field, FieldCache.IntParser parser, boolean setDocsWithField)` Checks the internal cache for an appropriate entry, and if none is found, reads the terms in `field` as integers and returns an array of size `reader.maxDoc()` of the value each document has in the given field.
`long[]` | `FieldCache.getLongs(IndexReader reader, String field)` Checks the internal cache for an appropriate entry, and if none is found, reads the terms in `field` as longs and returns an array of size `reader.maxDoc()` of the value each document has in the given field.
`long[]` | `FieldCache.getLongs(IndexReader reader, String field, FieldCache.LongParser parser)` Checks the internal cache for an appropriate entry, and if none is found, reads the terms in `field` as longs and returns an array of size `reader.maxDoc()` of the value each document has in the given field.
`long[]` | `FieldCache.getLongs(IndexReader reader, String field, FieldCache.LongParser parser, boolean setDocsWithField)` Checks the internal cache for an appropriate entry, and if none is found, reads the terms in `field` as longs and returns an array of size `reader.maxDoc()` of the value each document has in the given field.
`short[]` | `FieldCache.getShorts(IndexReader reader, String field)` Checks the internal cache for an appropriate entry, and if none is found, reads the terms in `field` as shorts and returns an array of size `reader.maxDoc()` of the value each document has in the given field.
`short[]` | `FieldCache.getShorts(IndexReader reader, String field, FieldCache.ShortParser parser)` Checks the internal cache for an appropriate entry, and if none is found, reads the terms in `field` as shorts and returns an array of size `reader.maxDoc()` of the value each document has in the given field.
`short[]` | `FieldCache.getShorts(IndexReader reader, String field, FieldCache.ShortParser parser, boolean setDocsWithField)` Checks the internal cache for an appropriate entry, and if none is found, reads the terms in `field` as shorts and returns an array of size `reader.maxDoc()` of the value each document has in the given field.
`FieldCache.StringIndex` | `FieldCache.getStringIndex(IndexReader reader, String field)` Checks the internal cache for an appropriate entry, and if none is found reads the term values in `field` and returns an array of them in natural order, along with an array telling which element in the term array each document uses.
`String[]` | `FieldCache.getStrings(IndexReader reader, String field)` Checks the internal cache for an appropriate entry, and if none is found, reads the term values in `field` and returns an array of size `reader.maxDoc()` containing the value each document has in the given field.
`protected FilteredTermEnum` | `MultiTermQuery.RewriteMethod.getTermsEnum(IndexReader reader, MultiTermQuery query)` Returns the `MultiTermQuery`s `FilteredTermEnum`
`IndexSearcher` | `SearcherFactory.newSearcher(IndexReader reader)` Returns a new IndexSearcher over the given reader.
`void` | `FieldCache.purge(IndexReader r)` Expert: drops all cache entries associated with this reader.
`Query` | `FuzzyLikeThisQuery.rewrite(IndexReader reader)`
`Query` | `BoostingQuery.rewrite(IndexReader reader)`
`Query` | `ConstantScoreQuery.rewrite(IndexReader reader)`
`Query` | `MultiTermQuery.rewrite(IndexReader reader)` To rewrite to a simpler form, instead return a simpler enum from `MultiTermQuery.getEnum(IndexReader)`.
`Query` | `DisjunctionMaxQuery.rewrite(IndexReader reader)` Optimize our representation and our subqueries representations
`Query` | `BooleanQuery.rewrite(IndexReader reader)`
`Query` | `MultiPhraseQuery.rewrite(IndexReader reader)`
`Query` | `NGramPhraseQuery.rewrite(IndexReader reader)`
`Query` | `PhraseQuery.rewrite(IndexReader reader)`
`Query` | `FilteredQuery.rewrite(IndexReader reader)` Rewrites the wrapped query.
`Query` | `Query.rewrite(IndexReader reader)` Expert: called to re-write queries into primitive queries.
`Q` | `ScoringRewrite.rewrite(IndexReader reader, MultiTermQuery query)`
`abstract Query` | `MultiTermQuery.RewriteMethod.rewrite(IndexReader reader, MultiTermQuery query)`
`Q` | `TopTermsRewrite.rewrite(IndexReader reader, MultiTermQuery query)`
`Scorer` | `ConstantScoreQuery.ConstantWeight.scorer(IndexReader reader, boolean scoreDocsInOrder, boolean topScorer)`
`Scorer` | `DisjunctionMaxQuery.DisjunctionMaxWeight.scorer(IndexReader reader, boolean scoreDocsInOrder, boolean topScorer)` Create the scorer used to score our associated DisjunctionMaxQuery
`Scorer` | `BooleanQuery.BooleanWeight.scorer(IndexReader reader, boolean scoreDocsInOrder, boolean topScorer)`
`abstract Scorer` | `Weight.scorer(IndexReader reader, boolean scoreDocsInOrder, boolean topScorer)` Returns a `Scorer` which scores documents in/out-of order according to `scoreDocsInOrder`.
`void` | `CheckHits.SetCollector.setNextReader(IndexReader reader, int docBase)`
`void` | `CheckHits.ExplanationAsserter.setNextReader(IndexReader reader, int docBase)`
`abstract void` | `Collector.setNextReader(IndexReader reader, int docBase)` Called before collecting from each IndexReader.
`void` | `TotalHitCountCollector.setNextReader(IndexReader reader, int docBase)`
`abstract void` | `FieldComparator.setNextReader(IndexReader reader, int docBase)` Set a new Reader.
`void` | `FieldComparator.NumericComparator.setNextReader(IndexReader reader, int docBase)`
`void` | `FieldComparator.ByteComparator.setNextReader(IndexReader reader, int docBase)`
`void` | `FieldComparator.DocComparator.setNextReader(IndexReader reader, int docBase)`
`void` | `FieldComparator.DoubleComparator.setNextReader(IndexReader reader, int docBase)`
`void` | `FieldComparator.FloatComparator.setNextReader(IndexReader reader, int docBase)`
`void` | `FieldComparator.IntComparator.setNextReader(IndexReader reader, int docBase)`
`void` | `FieldComparator.LongComparator.setNextReader(IndexReader reader, int docBase)`
`void` | `FieldComparator.RelevanceComparator.setNextReader(IndexReader reader, int docBase)`
`void` | `FieldComparator.ShortComparator.setNextReader(IndexReader reader, int docBase)`
`void` | `FieldComparator.StringComparatorLocale.setNextReader(IndexReader reader, int docBase)`
`void` | `FieldComparator.StringOrdValComparator.setNextReader(IndexReader reader, int docBase)`
`void` | `FieldComparator.StringValComparator.setNextReader(IndexReader reader, int docBase)`
`void` | `PositiveScoresOnlyCollector.setNextReader(IndexReader reader, int docBase)`
`void` | `CachingCollector.setNextReader(IndexReader reader, int docBase)`
`void` | `TimeLimitingCollector.setNextReader(IndexReader reader, int base)`
`void` | `MultiCollector.setNextReader(IndexReader reader, int o)`
`void` | `TopScoreDocCollector.setNextReader(IndexReader reader, int base)`

Method parameters in org.apache.lucene.search with type arguments of type IndexReader
`protected void` | `IndexSearcher.gatherSubReaders(List<IndexReader> allSubReaders, IndexReader r)`

Constructors in org.apache.lucene.search with parameters of type IndexReader
`AssertingIndexSearcher(IndexReader r)`
`AssertingIndexSearcher(IndexReader r, ExecutorService ex)`
`CheckHits.ExplanationAssertingSearcher(IndexReader r)`
`FieldCacheDocIdSet(IndexReader reader)`
`FuzzyTermEnum(IndexReader reader, Term term)` Creates a FuzzyTermEnum with an empty prefix and a minSimilarity of 0.5f.
`FuzzyTermEnum(IndexReader reader, Term term, float minSimilarity)` Creates a FuzzyTermEnum with an empty prefix.
`FuzzyTermEnum(IndexReader reader, Term term, float minSimilarity, int prefixLength)` Constructor for enumeration of all terms from specified `reader` which share a prefix of length `prefixLength` with `term` and which have a fuzzy similarity > `minSimilarity`.
`IndexSearcher(IndexReader r)` Creates a searcher searching the provided index.
`IndexSearcher(IndexReader r, ExecutorService executor)` Runs searches for each segment separately, using the provided ExecutorService.
`IndexSearcher(IndexReader reader, IndexReader[] subReaders, int[] docStarts)` Expert: directly specify the reader, subReaders and their docID starts.
`IndexSearcher(IndexReader reader, IndexReader[] subReaders, int[] docStarts)` Expert: directly specify the reader, subReaders and their docID starts.
`IndexSearcher(IndexReader reader, IndexReader[] subReaders, int[] docStarts, ExecutorService executor)` Expert: directly specify the reader, subReaders and their docID starts, and an ExecutorService.
`IndexSearcher(IndexReader reader, IndexReader[] subReaders, int[] docStarts, ExecutorService executor)` Expert: directly specify the reader, subReaders and their docID starts, and an ExecutorService.
`PrefixTermEnum(IndexReader reader, Term prefix)`
`SingleTermEnum(IndexReader reader, Term singleTerm)` Creates a new `SingleTermEnum`.
`TermRangeTermEnum(IndexReader reader, String field, String lowerTermText, String upperTermText, boolean includeLower, boolean includeUpper, Collator collator)` Enumerates all terms greater/equal than `lowerTerm` but less/equal than `upperTerm`.
`WildcardTermEnum(IndexReader reader, Term term)` Creates a new `WildcardTermEnum`.

Uses of IndexReader in org.apache.lucene.search.function

Fields in org.apache.lucene.search.function declared as IndexReader
`protected IndexReader` | `CustomScoreProvider.reader`

Methods in org.apache.lucene.search.function with parameters of type IndexReader
`DocValues` | `ByteFieldSource.getCachedFieldValues(FieldCache cache, String field, IndexReader reader)`
`DocValues` | `ShortFieldSource.getCachedFieldValues(FieldCache cache, String field, IndexReader reader)`
`DocValues` | `IntFieldSource.getCachedFieldValues(FieldCache cache, String field, IndexReader reader)`
`DocValues` | `FloatFieldSource.getCachedFieldValues(FieldCache cache, String field, IndexReader reader)`
`abstract DocValues` | `FieldCacheSource.getCachedFieldValues(FieldCache cache, String field, IndexReader reader)` Return cached DocValues for input field and reader.
`protected CustomScoreProvider` | `CustomScoreQuery.getCustomScoreProvider(IndexReader reader)` Returns a `CustomScoreProvider` that calculates the custom scores for the given `IndexReader`.
`DocValues` | `OrdFieldSource.getValues(IndexReader reader)`
`DocValues` | `ReverseOrdFieldSource.getValues(IndexReader reader)`
`abstract DocValues` | `ValueSource.getValues(IndexReader reader)` Return the DocValues used by the function query.
`DocValues` | `FieldCacheSource.getValues(IndexReader reader)`
`Query` | `ValueSourceQuery.rewrite(IndexReader reader)`
`Query` | `CustomScoreQuery.rewrite(IndexReader reader)`

Constructors in org.apache.lucene.search.function with parameters of type IndexReader
`CustomScoreProvider(IndexReader reader)` Creates a new instance of the provider class for the given `IndexReader`.

Uses of IndexReader in org.apache.lucene.search.grouping

Methods in org.apache.lucene.search.grouping with parameters of type IndexReader
`void` | `TermSecondPassGroupingCollector.setNextReader(IndexReader reader, int docBase)`
`void` | `TermFirstPassGroupingCollector.setNextReader(IndexReader reader, int docBase)`
`void` | `AbstractFirstPassGroupingCollector.setNextReader(IndexReader reader, int docBase)`
`void` | `BlockGroupingCollector.setNextReader(IndexReader reader, int docBase)`
`void` | `TermAllGroupsCollector.setNextReader(IndexReader reader, int docBase)`
`void` | `AbstractSecondPassGroupingCollector.setNextReader(IndexReader reader, int docBase)`

Uses of IndexReader in org.apache.lucene.search.highlight

Methods in org.apache.lucene.search.highlight that return IndexReader
`protected IndexReader` | `WeightedSpanTermExtractor.getReaderForField(String field)`

Methods in org.apache.lucene.search.highlight with parameters of type IndexReader
`static TokenStream` | `TokenSources.getAnyTokenStream(IndexReader reader, int docId, String field, Analyzer analyzer)` A convenience method that tries a number of approaches to getting a token stream.
`static TokenStream` | `TokenSources.getAnyTokenStream(IndexReader reader, int docId, String field, Document doc, Analyzer analyzer)` A convenience method that tries to first get a TermPositionVector for the specified docId, then, falls back to using the passed in `Document` to retrieve the TokenStream.
`static WeightedTerm[]` | `QueryTermExtractor.getIdfWeightedTerms(Query query, IndexReader reader, String fieldName)` Extracts all terms texts of a given Query into an array of WeightedTerms
`static TokenStream` | `TokenSources.getTokenStream(IndexReader reader, int docId, String field)`
`static TokenStream` | `TokenSources.getTokenStream(IndexReader reader, int docId, String field, Analyzer analyzer)`
`Map<String,WeightedSpanTerm>` | `WeightedSpanTermExtractor.getWeightedSpanTermsWithScores(Query query, TokenStream tokenStream, String fieldName, IndexReader reader)` Creates a Map of `WeightedSpanTerms` from the given `Query` and `TokenStream`.

Constructors in org.apache.lucene.search.highlight with parameters of type IndexReader
`QueryScorer(Query query, IndexReader reader, String field)`
`QueryScorer(Query query, IndexReader reader, String field, String defaultField)`
`QueryTermScorer(Query query, IndexReader reader, String fieldName)`

Uses of IndexReader in org.apache.lucene.search.join

Methods in org.apache.lucene.search.join with parameters of type IndexReader
`DocIdSet` | `RawTermFilter.getDocIdSet(IndexReader reader)`
`Query` | `ToChildBlockJoinQuery.rewrite(IndexReader reader)`
`Query` | `ToParentBlockJoinQuery.rewrite(IndexReader reader)`
`void` | `ToParentBlockJoinCollector.setNextReader(IndexReader reader, int docBase)`

Uses of IndexReader in org.apache.lucene.search.payloads

Methods in org.apache.lucene.search.payloads with parameters of type IndexReader
`Explanation` | `PayloadTermQuery.PayloadTermWeight.explain(IndexReader reader, int doc)`
`Scorer` | `PayloadNearQuery.PayloadNearSpanWeight.scorer(IndexReader reader, boolean scoreDocsInOrder, boolean topScorer)`
`Scorer` | `PayloadTermQuery.PayloadTermWeight.scorer(IndexReader reader, boolean scoreDocsInOrder, boolean topScorer)`

Constructors in org.apache.lucene.search.payloads with parameters of type IndexReader
`PayloadSpanUtil(IndexReader reader)`

Uses of IndexReader in org.apache.lucene.search.regex

Methods in org.apache.lucene.search.regex with parameters of type IndexReader
`protected FilteredTermEnum` | `RegexQuery.getEnum(IndexReader reader)`

Constructors in org.apache.lucene.search.regex with parameters of type IndexReader
`RegexTermEnum(IndexReader reader, Term term, RegexCapabilities regexImpl)`

Uses of IndexReader in org.apache.lucene.search.similar

Methods in org.apache.lucene.search.similar with parameters of type IndexReader
`Query` | `MoreLikeThisQuery.rewrite(IndexReader reader)`

Constructors in org.apache.lucene.search.similar with parameters of type IndexReader
`MoreLikeThis(IndexReader ir)` Constructor requiring an IndexReader.
`MoreLikeThis(IndexReader ir, Similarity sim)`

Uses of IndexReader in org.apache.lucene.search.spans

Methods in org.apache.lucene.search.spans with parameters of type IndexReader
`Explanation` | `SpanWeight.explain(IndexReader reader, int doc)`
`Spans` | `SpanOrQuery.getSpans(IndexReader reader)`
`Spans` | `SpanPositionCheckQuery.getSpans(IndexReader reader)`
`Spans` | `SpanTermQuery.getSpans(IndexReader reader)`
`Spans` | `SpanNearQuery.getSpans(IndexReader reader)`
`Spans` | `SpanNotQuery.getSpans(IndexReader reader)`
`Spans` | `SpanMultiTermQueryWrapper.getSpans(IndexReader reader)`
`abstract Spans` | `SpanQuery.getSpans(IndexReader reader)` Expert: Returns the matches for this query in an index.
`Spans` | `FieldMaskingSpanQuery.getSpans(IndexReader reader)`
`Query` | `SpanOrQuery.rewrite(IndexReader reader)`
`Query` | `SpanPositionCheckQuery.rewrite(IndexReader reader)`
`Query` | `SpanNearQuery.rewrite(IndexReader reader)`
`Query` | `SpanNotQuery.rewrite(IndexReader reader)`
`Query` | `SpanMultiTermQueryWrapper.rewrite(IndexReader reader)`
`Query` | `FieldMaskingSpanQuery.rewrite(IndexReader reader)`
`abstract SpanQuery` | `SpanMultiTermQueryWrapper.SpanRewriteMethod.rewrite(IndexReader reader, MultiTermQuery query)`
`SpanQuery` | `SpanMultiTermQueryWrapper.TopTermsSpanBooleanQueryRewrite.rewrite(IndexReader reader, MultiTermQuery query)`
`Scorer` | `SpanWeight.scorer(IndexReader reader, boolean scoreDocsInOrder, boolean topScorer)`

Constructors in org.apache.lucene.search.spans with parameters of type IndexReader
`NearSpansOrdered(SpanNearQuery spanNearQuery, IndexReader reader)`
`NearSpansOrdered(SpanNearQuery spanNearQuery, IndexReader reader, boolean collectPayloads)`
`NearSpansUnordered(SpanNearQuery query, IndexReader reader)`
`SpanPositionCheckQuery.PositionCheckSpan(IndexReader reader)`

Uses of IndexReader in org.apache.lucene.search.spell

Methods in org.apache.lucene.search.spell with parameters of type IndexReader
`String[]` | `SpellChecker.suggestSimilar(String word, int numSug, IndexReader ir, String field, boolean morePopular)` Deprecated. use suggestSimilar(String, int, IndexReader, String, SuggestMode) SuggestMode.SUGGEST_WHEN_NOT_IN_INDEX instead of morePopular=false SuggestMode.SuGGEST_MORE_POPULAR instead of morePopular=true
`String[]` | `SpellChecker.suggestSimilar(String word, int numSug, IndexReader ir, String field, boolean morePopular, float accuracy)` Deprecated. use suggestSimilar(String, int, IndexReader, String, SuggestMode, float) SuggestMode.SUGGEST_WHEN_NOT_IN_INDEX instead of morePopular=false SuggestMode.SuGGEST_MORE_POPULAR instead of morePopular=true
`String[]` | `SpellChecker.suggestSimilar(String word, int numSug, IndexReader ir, String field, SuggestMode suggestMode)` Calls `suggestSimilar(word, numSug, ir, suggestMode, field, this.accuracy)`
`String[]` | `SpellChecker.suggestSimilar(String word, int numSug, IndexReader ir, String field, SuggestMode suggestMode, float accuracy)` Suggest similar words (optionally restricted to a field of an index).

Constructors in org.apache.lucene.search.spell with parameters of type IndexReader
`HighFrequencyDictionary(IndexReader reader, String field, float thresh)`
`LuceneDictionary(IndexReader reader, String field)`

Uses of IndexReader in org.apache.lucene.search.vectorhighlight

Methods in org.apache.lucene.search.vectorhighlight with parameters of type IndexReader
`String` | `FragmentsBuilder.createFragment(IndexReader reader, int docId, String fieldName, FieldFragList fieldFragList)` create a fragment.
`String` | `BaseFragmentsBuilder.createFragment(IndexReader reader, int docId, String fieldName, FieldFragList fieldFragList)`
`String` | `FragmentsBuilder.createFragment(IndexReader reader, int docId, String fieldName, FieldFragList fieldFragList, String[] preTags, String[] postTags, Encoder encoder)` create a fragment.
`String` | `BaseFragmentsBuilder.createFragment(IndexReader reader, int docId, String fieldName, FieldFragList fieldFragList, String[] preTags, String[] postTags, Encoder encoder)`
`String[]` | `FragmentsBuilder.createFragments(IndexReader reader, int docId, String fieldName, FieldFragList fieldFragList, int maxNumFragments)` create multiple fragments.
`String[]` | `BaseFragmentsBuilder.createFragments(IndexReader reader, int docId, String fieldName, FieldFragList fieldFragList, int maxNumFragments)`
`String[]` | `FragmentsBuilder.createFragments(IndexReader reader, int docId, String fieldName, FieldFragList fieldFragList, int maxNumFragments, String[] preTags, String[] postTags, Encoder encoder)` create multiple fragments.
`String[]` | `BaseFragmentsBuilder.createFragments(IndexReader reader, int docId, String fieldName, FieldFragList fieldFragList, int maxNumFragments, String[] preTags, String[] postTags, Encoder encoder)`
`String` | `FastVectorHighlighter.getBestFragment(FieldQuery fieldQuery, IndexReader reader, int docId, String fieldName, int fragCharSize)` return the best fragment.
`String` | `FastVectorHighlighter.getBestFragment(FieldQuery fieldQuery, IndexReader reader, int docId, String fieldName, int fragCharSize, FragListBuilder fragListBuilder, FragmentsBuilder fragmentsBuilder, String[] preTags, String[] postTags, Encoder encoder)` return the best fragment.
`String[]` | `FastVectorHighlighter.getBestFragments(FieldQuery fieldQuery, IndexReader reader, int docId, String fieldName, int fragCharSize, int maxNumFragments)` return the best fragments.
`String[]` | `FastVectorHighlighter.getBestFragments(FieldQuery fieldQuery, IndexReader reader, int docId, String fieldName, int fragCharSize, int maxNumFragments, FragListBuilder fragListBuilder, FragmentsBuilder fragmentsBuilder, String[] preTags, String[] postTags, Encoder encoder)` return the best fragments.
`FieldQuery` | `FastVectorHighlighter.getFieldQuery(Query query, IndexReader reader)` create a `FieldQuery` object.
`protected Field[]` | `BaseFragmentsBuilder.getFields(IndexReader reader, int docId, String fieldName)`
`protected String[]` | `BaseFragmentsBuilder.getFieldValues(IndexReader reader, int docId, String fieldName)` Deprecated.

Constructors in org.apache.lucene.search.vectorhighlight with parameters of type IndexReader
`FieldTermStack(IndexReader reader, int docId, String fieldName, FieldQuery fieldQuery)` a constructor.

Uses of IndexReader in org.apache.lucene.spatial.geohash

Methods in org.apache.lucene.spatial.geohash with parameters of type IndexReader
`DocIdSet` | `GeoHashDistanceFilter.getDocIdSet(IndexReader reader)` Deprecated.

Uses of IndexReader in org.apache.lucene.spatial.tier

Methods in org.apache.lucene.spatial.tier with parameters of type IndexReader
`DocIdSet` | `LatLongDistanceFilter.getDocIdSet(IndexReader reader)` Deprecated.
`DocIdSet` | `CartesianShapeFilter.getDocIdSet(IndexReader reader)` Deprecated.

Uses of IndexReader in org.apache.lucene.store.instantiated

Subclasses of IndexReader in org.apache.lucene.store.instantiated
`class` | `InstantiatedIndexReader` Deprecated. contrib/instantiated will be removed in 4.0; you can use the memory codec to hold all postings in RAM

Methods in org.apache.lucene.store.instantiated with parameters of type IndexReader
`void` | `InstantiatedIndexWriter.addIndexes(IndexReader[] readers)` Deprecated.

Constructors in org.apache.lucene.store.instantiated with parameters of type IndexReader
`InstantiatedIndex(IndexReader sourceIndexReader)` Deprecated. Creates a new instantiated index that looks just like the index in a specific state as represented by a reader.
`InstantiatedIndex(IndexReader sourceIndexReader, Set<String> fields)` Deprecated. Creates a new instantiated index that looks just like the index in a specific state as represented by a reader.

Uses of IndexReader in org.apache.lucene.util

Methods in org.apache.lucene.util with parameters of type IndexReader
`protected abstract void` | `ReaderUtil.Gather.add(int base, IndexReader r)`
`static void` | `ReaderUtil.gatherSubReaders(List<IndexReader> allSubReaders, IndexReader reader)` Gathers sub-readers from reader into a List.
`static Collection<String>` | `ReaderUtil.getIndexedFields(IndexReader reader)`
`static FieldInfos` | `ReaderUtil.getMergedFieldInfos(IndexReader reader)` Call this to get the (merged) FieldInfos for a composite reader
`static IndexSearcher` | `LuceneTestCase.newSearcher(IndexReader r)` create a new searcher over the reader.
`static IndexSearcher` | `LuceneTestCase.newSearcher(IndexReader r, boolean maybeWrap)` create a new searcher over the reader.

Method parameters in org.apache.lucene.util with type arguments of type IndexReader
`static void` | `ReaderUtil.gatherSubReaders(List<IndexReader> allSubReaders, IndexReader reader)` Gathers sub-readers from reader into a List.

Constructors in org.apache.lucene.util with parameters of type IndexReader
`ReaderUtil.Gather(IndexReader r)`

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