All Classes

Class Summary
Analyzer	An Analyzer builds TokenStreams, which analyze text.
BitVector	Optimized implementation of a vector of bits.
BooleanClause	A clause in a BooleanQuery.
BooleanQuery	A Query that matches documents matching boolean combinations of other queries, typically {@link TermQuery}s or {@link PhraseQuery}s.
BooleanQuery.TooManyClauses	Thrown when an attempt is made to add more than {@link #getMaxClauseCount()} clauses.
CachingWrapperFilter	Wraps another filters result and caches it.
CharStream	This interface describes a character stream that maintains line and column number positions of the characters.
CharStream	This interface describes a character stream that maintains line and column number positions of the characters.
CharTokenizer	An abstract base class for simple, character-oriented tokenizers.
Constants	Some useful constants.
DateField	Provides support for converting dates to strings and vice-versa.
DateFilter	A Filter that restricts search results to a range of time.
DefaultSimilarity	Expert: Default scoring implementation.
Directory	A Directory is a flat list of files.
Document	Documents are the unit of indexing and search.
Explanation	Expert: Describes the score computation for document and query.
FastCharStream	An efficient implementation of JavaCC's CharStream interface.
FastCharStream	An efficient implementation of JavaCC's CharStream interface.
Field	A field is a section of a Document.
FieldCache	Expert: Maintains caches of term values.
FieldCache.StringIndex	Expert: Stores term text values and document ordering data.
FieldDoc	Expert: A ScoreDoc which also contains information about how to sort the referenced document.
Filter	Abstract base class providing a mechanism to restrict searches to a subset of an index.
FilteredQuery	A query that applies a filter to the results of another query.
FilteredTermEnum	Abstract class for enumerating a subset of all terms.
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.
FilterIndexReader.FilterTermDocs	Base class for filtering {@link TermDocs} implementations.
FilterIndexReader.FilterTermEnum	Base class for filtering {@link TermEnum} implementations.
FilterIndexReader.FilterTermPositions	Base class for filtering {@link TermPositions} implementations.
FSDirectory	Straightforward implementation of {@link Directory} as a directory of files.
FuzzyQuery	Implements the fuzzy search query.
FuzzyTermEnum	Subclass of FilteredTermEnum for enumerating all terms that are similiar to the specified filter term.
GermanAnalyzer	Analyzer for German language.
GermanStemFilter	A filter that stems German words.
GermanStemmer	A stemmer for German words.
HitCollector	Lower-level search API.
Hits	A ranked list of documents, used to hold search results.
IndexReader	IndexReader is an abstract class, providing an interface for accessing an index.
IndexSearcher	Implements search over a single IndexReader.
IndexWriter	An IndexWriter creates and maintains an index.
InputStream	Abstract base class for input from a file in a {@link Directory}.
LetterTokenizer	A LetterTokenizer is a tokenizer that divides text at non-letters.
Lock	An interprocess mutex lock.
Lock.With	Utility class for executing code with exclusive access.
LowerCaseFilter	Normalizes token text to lower case.
LowerCaseTokenizer	LowerCaseTokenizer performs the function of LetterTokenizer and LowerCaseFilter together.
MultiFieldQueryParser	A QueryParser which constructs queries to search multiple fields.
MultipleTermPositions	Describe class `MultipleTermPositions` here.
MultiReader	An IndexReader which reads multiple indexes, appending their content.
MultiSearcher	Implements search over a set of `Searchables`.
MultiTermQuery	A {@link Query} that matches documents containing a subset of terms provided by a {@link FilteredTermEnum} enumeration.
OutputStream	Abstract class for output to a file in a Directory.
ParallelMultiSearcher	Implements parallel search over a set of `Searchables`.
ParseException	This exception is thrown when parse errors are encountered.
ParseException	This exception is thrown when parse errors are encountered.
PerFieldAnalyzerWrapper	This analyzer is used to facilitate scenarios where different fields require different analysis techniques.
PhrasePrefixQuery	PhrasePrefixQuery is a generalized version of PhraseQuery, with an added method {@link #add(Term[])}.
PhraseQuery	A Query that matches documents containing a particular sequence of terms.
PorterStemFilter	Transforms the token stream as per the Porter stemming algorithm.
PrefixQuery	A Query that matches documents containing terms with a specified prefix.
PriorityQueue	A PriorityQueue maintains a partial ordering of its elements such that the least element can always be found in constant time.
Query	The abstract base class for queries.
QueryFilter	Constrains search results to only match those which also match a provided query.
QueryParser	This class is generated by JavaCC.
QueryParserConstants
QueryParserTokenManager
QueryTermVector
RAMDirectory	A memory-resident {@link Directory} implementation.
RAMOutputStream	A memory-resident {@link OutputStream} implementation.
RangeQuery	A Query that matches documents within an exclusive range.
RemoteSearchable	A remote searchable implementation.
RussianAnalyzer	Analyzer for Russian language.
RussianCharsets	RussianCharsets class contains encodings schemes (charsets) and toLowerCase() method implementation for russian characters in Unicode, KOI8 and CP1252.
RussianLetterTokenizer	A RussianLetterTokenizer is a tokenizer that extends LetterTokenizer by additionally looking up letters in a given "russian charset".
RussianLowerCaseFilter	Normalizes token text to lower case, analyzing given ("russian") charset.
RussianStemFilter	A filter that stems Russian words.
ScoreDoc	Expert: Returned by low-level search implementations.
ScoreDocComparator	Expert: Compares two ScoreDoc objects for sorting.
Scorer	Expert: Implements scoring for a class of queries.
Searchable	The interface for search implementations.
Searcher	An abstract base class for search implementations.
Similarity	Expert: Scoring API.
SimpleAnalyzer	An Analyzer that filters LetterTokenizer with LowerCaseFilter.
Sort	Encapsulates sort criteria for returned hits.
SortComparator	Abstract base class for sorting hits returned by a Query.
SortComparatorSource	Expert: returns a comparator for sorting ScoreDocs.
SortField	Stores information about how to sort documents by terms in an individual field.
SpanFirstQuery	Matches spans near the beginning of a field.
SpanNearQuery	Matches spans which are near one another.
SpanNotQuery	Removes matches which overlap with another SpanQuery.
SpanOrQuery	Matches the union of its clauses.
SpanQuery	Base class for span-based queries.
Spans	Expert: an enumeration of span matches.
SpanTermQuery	Matches spans containing a term.
StandardAnalyzer	Filters {@link StandardTokenizer} with {@link StandardFilter}, {@link LowerCaseFilter} and {@link StopFilter}.
StandardFilter	Normalizes tokens extracted with {@link StandardTokenizer}.
StandardTokenizer	A grammar-based tokenizer constructed with JavaCC.
StandardTokenizerConstants
StandardTokenizerTokenManager
StopAnalyzer	Filters LetterTokenizer with LowerCaseFilter and StopFilter.
StopFilter	Removes stop words from a token stream.
StringHelper	Methods for manipulating strings.
Term	A Term represents a word from text.
TermDocs	TermDocs provides an interface for enumerating <document, frequency> pairs for a term.
TermEnum	Abstract class for enumerating terms.
TermFreqVector	Provides access to stored term vector of a document field.
TermPositions	TermPositions provides an interface for enumerating the <document, frequency, <position>* > tuples for a term.
TermPositionVector	Extends `TermFreqVector` to provide additional information about positions in which each of the terms is found.
TermQuery	A Query that matches documents containing a term.
Token	A Token is an occurence of a term from the text of a field.
Token	Describes the input token stream.
Token	Describes the input token stream.
TokenFilter	A TokenFilter is a TokenStream whose input is another token stream.
Tokenizer	A Tokenizer is a TokenStream whose input is a Reader.
TokenMgrError
TokenMgrError
TokenStream	A TokenStream enumerates the sequence of tokens, either from fields of a document or from query text.
TopDocs	Expert: Returned by low-level search implementations.
TopFieldDocs	Expert: Returned by low-level sorted search implementations.
Weight	Expert: Calculate query weights and build query scorers.
WhitespaceAnalyzer	An Analyzer that uses WhitespaceTokenizer.
WhitespaceTokenizer	A WhitespaceTokenizer is a tokenizer that divides text at whitespace.
WildcardQuery	Implements the wildcard search query.
WildcardTermEnum	Subclass of FilteredTermEnum for enumerating all terms that match the specified wildcard filter term.
WordlistLoader	Loader for text files that represent a list of stopwords.