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

Packages that use IndexReader
org.apache.lucene.index Code to maintain and access indices. 
org.apache.lucene.search Code to search indices. 
org.apache.lucene.search.function
Programmatic control over documents scores. 
org.apache.lucene.search.payloads
The payloads package provides Query mechanisms for finding and using payloads. 
org.apache.lucene.search.spans The calculus of spans. 
 

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.
 

Fields in org.apache.lucene.index declared as IndexReader
protected  IndexReader FilterIndexReader.in
           
protected  IndexReader IndexModifier.indexReader
          Deprecated.  
protected  IndexReader[] MultiReader.subReaders
           
 

Methods in org.apache.lucene.index that return IndexReader
static IndexReader IndexReader.open(Directory directory)
          Returns a read/write IndexReader reading the index in the given Directory.
static IndexReader IndexReader.open(Directory directory, boolean readOnly)
          Returns a read/write or read only IndexReader reading the index in the given Directory.
static IndexReader IndexReader.open(Directory directory, IndexDeletionPolicy deletionPolicy)
          Expert: returns a read/write IndexReader reading the index in the given Directory, with a custom IndexDeletionPolicy.
static IndexReader IndexReader.open(Directory directory, IndexDeletionPolicy deletionPolicy, boolean readOnly)
          Expert: returns a read/write or read only IndexReader reading the index in the given Directory, with a custom IndexDeletionPolicy.
static IndexReader IndexReader.open(File path)
          Returns a read/write IndexReader reading the index in an FSDirectory in the named path.
static IndexReader IndexReader.open(IndexCommit commit)
          Expert: returns a read/write IndexReader reading the index in the given IndexCommit.
static IndexReader IndexReader.open(IndexCommit commit, IndexDeletionPolicy deletionPolicy)
          Expert: returns a read/write IndexReader reading the index in the given Directory, using a specific commit and with a custom IndexDeletionPolicy.
static IndexReader IndexReader.open(IndexCommit commit, IndexDeletionPolicy deletionPolicy, boolean readOnly)
          Expert: returns a read/write or read only IndexReader reading the index in the given Directory, using a specific commit and with a custom IndexDeletionPolicy.
static IndexReader IndexReader.open(String path)
          Returns a read/write IndexReader reading the index in an FSDirectory in the named path.
 IndexReader IndexReader.reopen()
          Refreshes an IndexReader if the index has changed since this instance was (re)opened.
 IndexReader ParallelReader.reopen()
          Tries to reopen the subreaders.
 IndexReader MultiReader.reopen()
          Tries to reopen the subreaders.
 

Methods in org.apache.lucene.index with parameters of type IndexReader
 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 IndexWriter.addIndexes(IndexReader[] readers)
          Merges the provided indexes into this index.
 

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.
 

Uses of IndexReader in org.apache.lucene.search
 

Methods in org.apache.lucene.search that return IndexReader
 IndexReader IndexSearcher.getIndexReader()
          Return the IndexReader this searches.
 

Methods in org.apache.lucene.search with parameters of type IndexReader
 BitSet RangeFilter.bits(IndexReader reader)
          Deprecated. Use RangeFilter.getDocIdSet(IndexReader) instead.
 BitSet PrefixFilter.bits(IndexReader reader)
          Deprecated. Use PrefixFilter.getDocIdSet(IndexReader) instead.
 BitSet CachingWrapperFilter.bits(IndexReader reader)
          Deprecated. Use CachingWrapperFilter.getDocIdSet(IndexReader) instead.
 BitSet CachingSpanFilter.bits(IndexReader reader)
          Deprecated. Use CachingSpanFilter.getDocIdSet(IndexReader) instead.
 BitSet RemoteCachingWrapperFilter.bits(IndexReader reader)
          Deprecated. Use RemoteCachingWrapperFilter.getDocIdSet(IndexReader) instead.
 BitSet QueryWrapperFilter.bits(IndexReader reader)
          Deprecated. Use QueryWrapperFilter.getDocIdSet(IndexReader) instead.
 BitSet Filter.bits(IndexReader reader)
          Deprecated. Use Filter.getDocIdSet(IndexReader) instead.
 SpanFilterResult SpanQueryFilter.bitSpans(IndexReader reader)
           
 SpanFilterResult CachingSpanFilter.bitSpans(IndexReader reader)
           
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.
 Explanation ConstantScoreQuery.ConstantWeight.explain(IndexReader reader, int doc)
           
 Explanation Weight.explain(IndexReader reader, int doc)
          An explanation of the score computation for the named document.
 Object FieldCache.getAuto(IndexReader reader, String field)
          Checks the internal cache for an appropriate entry, and if none is found reads field to see if it contains integers, floats or strings, and then calls one of the other methods in this class to get the values.
 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.
 Comparable[] FieldCache.getCustom(IndexReader reader, String field, SortComparator comparator)
          Checks the internal cache for an appropriate entry, and if none is found reads the terms out of field and calls the given SortComparator to get the sort values.
 DocIdSet RangeFilter.getDocIdSet(IndexReader reader)
          Returns a DocIdSet with documents that should be permitted in search results.
 DocIdSet SpanQueryFilter.getDocIdSet(IndexReader reader)
           
 DocIdSet PrefixFilter.getDocIdSet(IndexReader reader)
           
 DocIdSet CachingWrapperFilter.getDocIdSet(IndexReader reader)
           
 DocIdSet CachingSpanFilter.getDocIdSet(IndexReader reader)
           
 DocIdSet RemoteCachingWrapperFilter.getDocIdSet(IndexReader reader)
          Uses the FilterManager to keep the cache for a filter on the searcher side of a remote connection.
 DocIdSet QueryWrapperFilter.getDocIdSet(IndexReader reader)
           
 DocIdSet Filter.getDocIdSet(IndexReader reader)
           
 double[] ExtendedFieldCache.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[] ExtendedFieldCache.getDoubles(IndexReader reader, String field, ExtendedFieldCache.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.
protected abstract  FilteredTermEnum MultiTermQuery.getEnum(IndexReader reader)
          Construct the enumeration to be used, expanding the pattern term.
protected  FilteredTermEnum WildcardQuery.getEnum(IndexReader reader)
           
protected  FilteredTermEnum FuzzyQuery.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.
 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.
 long[] ExtendedFieldCache.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[] ExtendedFieldCache.getLongs(IndexReader reader, String field, ExtendedFieldCache.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.
 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.
 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.
 ScoreDocComparator SortComparatorSource.newComparator(IndexReader reader, String fieldname)
          Creates a comparator for the field in the given index.
 ScoreDocComparator SortComparator.newComparator(IndexReader reader, String fieldname)
           
 Query PrefixQuery.rewrite(IndexReader reader)
           
 Query FilteredQuery.rewrite(IndexReader reader)
          Rewrites the wrapped query.
 Query MultiTermQuery.rewrite(IndexReader reader)
           
 Query Query.rewrite(IndexReader reader)
          Expert: called to re-write queries into primitive queries.
 Query ConstantScoreRangeQuery.rewrite(IndexReader reader)
           
 Query WildcardQuery.rewrite(IndexReader reader)
           
 Query BooleanQuery.rewrite(IndexReader reader)
           
 Query RangeQuery.rewrite(IndexReader reader)
           
 Query DisjunctionMaxQuery.rewrite(IndexReader reader)
          Optimize our representation and our subqueries representations
 Query ConstantScoreQuery.rewrite(IndexReader reader)
           
 Query FuzzyQuery.rewrite(IndexReader reader)
           
 Query MultiPhraseQuery.rewrite(IndexReader reader)
           
 Scorer ConstantScoreQuery.ConstantWeight.scorer(IndexReader reader)
           
 Scorer Weight.scorer(IndexReader reader)
          Constructs a scorer for this.
 

Constructors in org.apache.lucene.search with parameters of type IndexReader
ConstantScoreQuery.ConstantScorer(Similarity similarity, IndexReader reader, Weight w)
           
FieldSortedHitQueue(IndexReader reader, SortField[] fields, int size)
          Creates a hit queue sorted by the given list of fields.
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.
TopFieldDocCollector(IndexReader reader, Sort sort, int numHits)
          Construct to collect a given number of hits.
WildcardTermEnum(IndexReader reader, Term term)
          Creates a new WildcardTermEnum.
 

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

Methods in org.apache.lucene.search.function with parameters of type IndexReader
 DocValues IntFieldSource.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.
 DocValues FloatFieldSource.getCachedFieldValues(FieldCache cache, String field, IndexReader reader)
           
 DocValues ByteFieldSource.getCachedFieldValues(FieldCache cache, String field, IndexReader reader)
           
 DocValues ShortFieldSource.getCachedFieldValues(FieldCache cache, String field, IndexReader reader)
           
 DocValues FieldCacheSource.getValues(IndexReader reader)
           
 DocValues ReverseOrdFieldSource.getValues(IndexReader reader)
           
 DocValues OrdFieldSource.getValues(IndexReader reader)
           
abstract  DocValues ValueSource.getValues(IndexReader reader)
          Return the DocValues used by the function query.
 Query CustomScoreQuery.rewrite(IndexReader reader)
           
 Query ValueSourceQuery.rewrite(IndexReader reader)
           
 

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

Methods in org.apache.lucene.search.payloads with parameters of type IndexReader
 Scorer BoostingTermQuery.BoostingTermWeight.scorer(IndexReader reader)
           
 

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

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)
           
 PayloadSpans SpanQuery.getPayloadSpans(IndexReader reader)
          Returns the matches for this query in an index, including access to any Payloads at those positions.
 PayloadSpans SpanNotQuery.getPayloadSpans(IndexReader reader)
           
 PayloadSpans SpanFirstQuery.getPayloadSpans(IndexReader reader)
           
 PayloadSpans SpanNearQuery.getPayloadSpans(IndexReader reader)
           
 PayloadSpans SpanOrQuery.getPayloadSpans(IndexReader reader)
           
 PayloadSpans SpanTermQuery.getPayloadSpans(IndexReader reader)
           
abstract  Spans SpanQuery.getSpans(IndexReader reader)
          Expert: Returns the matches for this query in an index.
 Spans SpanNotQuery.getSpans(IndexReader reader)
           
 Spans SpanFirstQuery.getSpans(IndexReader reader)
           
 Spans SpanNearQuery.getSpans(IndexReader reader)
           
 Spans SpanOrQuery.getSpans(IndexReader reader)
           
 Spans SpanTermQuery.getSpans(IndexReader reader)
           
 Query SpanNotQuery.rewrite(IndexReader reader)
           
 Query SpanFirstQuery.rewrite(IndexReader reader)
           
 Query SpanNearQuery.rewrite(IndexReader reader)
           
 Query SpanOrQuery.rewrite(IndexReader reader)
           
 Scorer SpanWeight.scorer(IndexReader reader)
           
 



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