All Classes

Class	Description
AbstractAggregator	A Scorer that aggregates a number of underlying delegating scorers, providing equalisation if required.
AbstractBitStreamIndexWriter	An abstract bitstream-based index writer, providing common variables and a basic AbstractBitStreamIndexWriter.printStats(PrintStream) implementation.
AbstractCompositeDocumentIterator	An abstract iterator on documents based on a list of component iterators.
AbstractCompositeDocumentIterator.AbstractCompositeIndexIntervalIterator	An abstract IndexIterator-based interval iterator.
AbstractCompositeDocumentIterator.AbstractCompositeIntervalIterator	An abstract interval iterator.
AbstractDocument	An abstract, safely closeable implementation of a document.
AbstractDocumentCollection	An abstract, safely closeable implementation of a document collection.
AbstractDocumentCollection.PropertyKeys	Symbolic names for common properties of a DocumentCollection.
AbstractDocumentFactory	An abstract implementation of a factory, providing a protected method to check for field indices.
AbstractDocumentIterator	An abstract, safely closeable implementation of a document iterator.
AbstractDocumentIterator	An abstract iterator on documents that and provides support for the DocumentIterator.weight()/DocumentIterator.weight(double) methods.
AbstractDocumentIteratorVisitor	An abstract implementation of a DocumentIteratorVisitor without return values.
AbstractDocumentSequence	An abstract, safely closeable implementation of a document sequence.
AbstractIndexClusterIndexReader	An abstract implementation of an IndexReader for an IndexCluster.
AbstractIndexIterator	A very basic abstract implementation of an index iterator, providing an obvious implementation of IndexIterator.term(), IndexIterator.id(), DocumentIterator.weight() and of the visiting methods.
AbstractIndexReader	An abstract, safely closeable implementation of an index reader.
AbstractIntersectionDocumentIterator	An abstract iterator on documents, generating the intersection of the documents returned by a number of document iterators.
AbstractIntervalDocumentIterator	An abstract iterator on documents that provides basic support for handling interval iterators.
AbstractOrderedIntervalDocumentIterator	An abstract document iterator helping in the implementation of ConsecutiveDocumentIterator and OrderedAndDocumentIterator.
AbstractPayload	An abstract payload.
AbstractQueryBuilderVisitor<T>	A QueryBuilderVisitor that returns true on all visitPre() methods and does nothing on AbstractQueryBuilderVisitor.prepare().
AbstractScorer	An abstract implementation of Scorer.
AbstractSimpleTikaDocumentFactory	An abstract document factory that provides an implementation for AbstractSimpleTikaDocumentFactory.getDocument(InputStream, Reference2ObjectMap) and AbstractSimpleTikaDocumentFactory.fields().
AbstractSnowballTermProcessor
AbstractTermExpander	A query transformer that just requires implementing a method that expands terms (e.g., into disjunctive queries).
AbstractTikaDocumentFactory	An abstract document factory that provides the mapping from field names to field indices.
AbstractUnionDocumentIterator	A document iterator computing the union of the documents returned by a number of document iterators.
AbstractUnionDocumentIterator.IntHeapSemiIndirectPriorityQueue
AbstractUnionDocumentIterator.LongHeapSemiIndirectPriorityQueue
AbstractWeightedScorer	An abstract subsclass of AbstractScorer providing internal storage and copy of the weight map and a default implementation of AbstractWeightedScorer.score().
Align	A node representing the alignment of the two iterators.
AlignDocumentIterator	A document iterator that aligns the results of two iterators over different indices.
Among
AnchorExtractor	A callback extracting anchor text.
AnchorExtractor.Anchor	A class representing an anchor.
And	A node representing the logical and of the underlying queries.
AndDocumentIterator	A document iterator that returns the AND of a number of document iterators.
Annotation	A node representing a low-pass filtering of the only underlying query.
AnnotationDocumentIterator	A (temporary) document iterator that interpret an index iterator as an annotation and unpacks the position list into an interval list.
ArithmeticCoder	An arithmetic coder.
ArithmeticDecoder	An arithmetic decoder.
AutoDetectDocumentFactory	A document factory that automatically detect the type of the document content.
BitStreamHPIndex	A high-performance bitstream-based index.
BitStreamHPIndexReader	A bitstream-based index reader for high-performance indices.
BitStreamHPIndexReader.BitStreamHPIndexReaderIndexIterator
BitStreamHPIndexWriter	Writes a bitstream-based high-performance index.
BitStreamHPIndexWriter.TowerData	A structure maintaining statistical data about tower construction.
BitStreamIndex	A bitstream-based index.
BitStreamIndex.PropertyKeys	Symbolic names for additional properties of a BitStreamIndex.
BitStreamIndexReader	A bitstream-based index reader.
BitStreamIndexReader.BitStreamIndexReaderIndexIterator
BitStreamIndexWriter	Writes a bitstream-based interleaved index.
BM25FScorer	A scorer that implements the BM25F ranking scheme.
BM25FScorer.Visitor
BM25Scorer	A scorer that implements the BM25 ranking scheme.
BrowseItem	An instance of this class is used to pack the results gathered by QueryServlet in such a way that they are easily accessible from the Velocity Template Language.
ByteArrayPostingList	Lightweight posting accumulator with format similar to that generated by BitStreamIndexWriter.
CachingDocumentIterator	A decorator that caches the intervals produced by the underlying document iterator.
CachingOutputBitStream	A special output bit stream with an additional method CachingOutputBitStream.buffer() that returns the internal buffer if the internal buffer contains all that has been written since the last call to position(0).
ChainedLexicalClusteringStrategy	A lexical clustering strategy that uses a chain of responsability to choose the local index: term maps out of a given list are inquired until one contains the given term.
CheckForSelectQueryVisitor	A QueryBuilderVisitor that returns Boolean.FALSE only if the visited query contains a Select node that does not lie in the aligner of an Align query (as in that case the index is not part of the answer).
ClarkeCormackScorer	Computes the Clarke–Cormack score of all interval iterators of a document.
ClusteringStrategy	A common ancestor interface for all clustering strategies.
Combine	Combines several indices.
Combine.GammaCodedIntIterator	A partial IntIterator implementation based on γ-coded integers.
Combine.IndexType
Composite	A abstract composite node containing an array of component queries.
CompositeDocumentFactory	A composite factory that passes the input stream to a sequence of factories in turn.
CompositeDocumentSequence	A document sequence composing a list of underlying sequences.
CompressionFlags	A container for constants and enums related to index compression.
CompressionFlags.Coding	A coding for an index component.
CompressionFlags.Component	A component of the index.
ComputeNumBitsPositions	Computes the number of bits used by a high-performance index for positions.
Concatenate	Concatenates several indices.
ConcatenatedDocumentCollection	A document collection exhibiting a list of underlying document collections, called segments, as a single collection.
ConcatenatedDocumentSequence	A document sequence exhibiting a list of underlying document sequences, called segments, as a single sequence.
Consecutive	A node representing the consecutive composition of the underlying queries.
ConsecutiveDocumentIterator	An iterator returning documents containing consecutive intervals (in query order) satisfying the underlying queries.
ConstantScorer	A scorer assigning a constant score (0 by default) to all documents.
Containment	A node representing the containment of two queries.
ContainmentDocumentIterator	A document iterator that computes the containement between two given document iterators.
ContiguousDocumentalStrategy	A documental partitioning and clustering strategy that partitions an index into contiguous segments.
ContiguousLexicalStrategy	A lexical strategy that partitions terms into contiguous segments.
CounterCollectionVisitor	A visitor collecting the counts of terms in a DocumentIterator tree.
CounterSetupVisitor	A visitor using the information collected by a TermCollectionVisitor to set up term frequencies and counters.
CountScorer	A trivial scorer that computes the score by adding the counts (the number of occurrences within the current document) of each term multiplied by the weight of the relative index.
CSVDocumentCollection	A DocumentCollection corresponding to a given set of records in a comma separated file.
DanishStemmer	This class was automatically generated by a Snowball to Java compiler It implements the stemming algorithm defined by a snowball script.
DatePayload	A payload containing a date expressed as seconds from the Epoch and stored using δ coding.
DecreasingDocumentRankScorer	Compute scores that do not depend on intervals, but that just assign a fixed score to each document starting from 1; scores are read from a file whose name is passed to the constructor.
DelegatingScorer	A marker interface for those scorers that delegate all IntIterator's method to the underlying DocumentIterator.
Difference	A node representing a difference of two queries.
DifferenceDocumentIterator	A document iterator that computes the Brouwerian difference between two given document iterators.
DiskBasedIndex	A static container providing facilities to load an index based on data stored on disk.
DispatchingDocumentFactory	A document factory that actually dispatches the task of building documents to various factories according to some strategy.
DispatchingDocumentFactory.DispatchingStrategy	A strategy that decides which factory is appropriate using the document metadata.
DispatchingDocumentFactory.MetadataKeys	Case-insensitive keys for metadata.
DispatchingDocumentFactory.StringBasedDispatchingStrategy	A strategy that is based on trying to match the value of the metadata with a given key with respect to a certain set of values.
Document	An indexable document.
DocumentalCluster	A abstract class representing a cluster of local indices containing separate set of documents from the same collection.
DocumentalClusterIndexReader	An index reader for a DocumentalCluster.
DocumentalClusteringStrategy	A way to associate (quite bidirectionally) local and global document pointers.
DocumentalConcatenatedCluster	A DocumentalCluster that concatenates the postings of its local indices.
DocumentalConcatenatedClusterDocumentIterator	A document iterator concatenating iterators from local indices.
DocumentalConcatenatedClusterIndexIterator	An index iterator concatenating iterators from local indices.
DocumentalMergedCluster	A DocumentalCluster that merges the postings of its local indices.
DocumentalMergedClusterDocumentIterator	A document iterator merging iterators from local indices.
DocumentalMergedClusterIndexIterator	An index iterator merging iterators from local indices.
DocumentalPartitioningStrategy	A way to associate a document with a local index out of a given set and a local document number in the local index.
DocumentalStrategies	Static utility methods for documental strategies.
DocumentCollection	A collection of documents.
DocumentCollectionBuilder	An interface for classes that can build collections during the indexing process.
DocumentFactory	A factory parsing and building documents of the same type.
DocumentFactory.FieldType	A field type.
DocumentIterator	An iterator over documents.
DocumentIterator	An iterator over documents (pointers) and their intervals.
DocumentIteratorBuilderVisitor	A QueryBuilderVisitor that builds a DocumentIterator resolving the queries using the objects in it.unimi.di.big.mg4j.search.
DocumentIterators	A class providing static methods and objects that do useful things with document iterators.
DocumentIteratorVisitor<T>	A visitor for the tree defined by a DocumentIterator.
DocumentRankScorer	Compute scores that do not depend on intervals, but that just assign a fixed score to each document; scores are read from a file whose name is passed to the constructor.
DocumentScoreInfo<T>	A container used to return scored results with additional information.
DocumentSequence	A sequence of documents.
DocumentSequenceImmutableSequentialGraph	Exposes a document sequence as a (sequentially accessible) immutable graph, according to some virtual field provided by the documents in the sequence.
DowncaseTermProcessor	A term processor downcasing all characters.
DumpVirtualDocumentFragments	Scans a document sequence and prints on standard output virtual document fragments as a document specifier (usually, a URL) TAB-separated from the associated text.
DutchStemmer	This class was automatically generated by a Snowball to Java compiler It implements the stemming algorithm defined by a snowball script.
EnglishStemmer	This class was automatically generated by a Snowball to Java compiler It implements the stemming algorithm defined by a snowball script.
EPUBDocumentFactory	A document factory for the epub format.
False	A node representing falseness (i.e., no documents are returned).
FalseDocumentIterator	An empty document iterator.
FileHPIndex	A file-based high-performance index.
FileIndex	A file-based index.
FileSetDocumentCollection	A DocumentCollection corresponding to a given set of files.
FileSystemItem	An item serving a file from the file system.
FilterOutWikipediaDuplicates	Reads a Wikipedia XML dump and outputs the same dump after eliminating duplicate pages.
FinnishStemmer	This class was automatically generated by a Snowball to Java compiler It implements the stemming algorithm defined by a snowball script.
FrenchStemmer	This class was automatically generated by a Snowball to Java compiler It implements the stemming algorithm defined by a snowball script.
FrequencyLexicalStrategy	A lexical strategy that creates an index containing a subset of the terms.
GammaDeltaGammaDeltaBitStreamHPIndexReader
GammaDeltaGammaDeltaBitStreamHPIndexReader.BitStreamHPIndexReaderIndexIterator
GammaDeltaGammaDeltaBitStreamIndexReader
GammaDeltaGammaDeltaBitStreamIndexReader.BitStreamIndexReaderIndexIterator
GenericItem	An generic item, displaying all document fields.
German2Stemmer	This class was automatically generated by a Snowball to Java compiler It implements the stemming algorithm defined by a snowball script.
GermanStemmer	This class was automatically generated by a Snowball to Java compiler It implements the stemming algorithm defined by a snowball script.
GreedyTikaField	The set of all Tika metadata represented as a single field inside MG4J.
HadoopFileSystemIOFactory	An I/O factory using a Hadoop file system.
HelpPage	The help page.
HtmlDocumentFactory	A factory that provides fields for body and title of HTML documents.
HtmlDocumentFactory	A document factory for the HTML format.
HtmlDocumentFactory.MetadataKeys
HttpFileServer	A minimal, singleton server serving the whole filesystem.
HttpQueryServer	A very basic HTTP server answering queries.
HungarianStemmer	This class was automatically generated by a Snowball to Java compiler It implements the stemming algorithm defined by a snowball script.
IdentityDocumentalStrategy	A documental strategy that maps identically local to global pointers and viceversa.
IdentityDocumentFactory	A factory that provides a single field containing just the raw input stream; the encoding is set using the property PropertyBasedDocumentFactory.MetadataKeys.ENCODING.
IdentityDocumentFactory.MetadataKeys	Case-insensitive keys for metadata.
Inclusion	A node representing the inclusion of two queries.
InclusionDocumentIterator	A document iterator that computes the inclusion between two given document iterators.
Index	An abstract representation of an index.
Index.PropertyKeys	Symbolic names for properties of a Index.
Index.UriKeys	Keys to be used (downcased) in specifiying additional parameters to a MG4J URI.
Index2IntervalIteratorMap	A simple, brute-force implementation of a fixed-size map from indices to interval iterators based on two parallel backing arrays.
IndexBuilder	An index builder.
IndexCluster	An abstract index cluster.
IndexCluster.PropertyKeys	Symbolic names for properties of an IndexCluster.
IndexIntervalIterator	An interval iterator returning the positions of the current document as singleton intervals.
IndexIterator	An iterator over an inverted list.
IndexIterators	A class providing static methods and objects that do useful things with index iterators.
IndexIterators.PositionsIterator
IndexReader	Provides access to an inverted index.
IndexWriter	An interface for classes that generate indices.
InMemoryHPIndex	A BitStreamHPIndex index loaded in memory.
InMemoryIndex	A local bitstream index loaded in memory.
InputStreamDocumentSequence	A document sequence obtained by breaking an input stream at a specified separator.
InputStreamItem	An item serving a raw input stream from the document collection.
IntegerPayload	A payload containing a long stored using δ coding.
InterpolativeCoding	Static methods implementing interpolative coding.
IntervalIterator	An iterator over intervals.
IntervalIterators	A class providing static methods and objects that do useful things with interval iterators.
IntervalIterators.FakeIterator	An iterator used to instantiate singleton iterators such as IntervalIterators.TRUE and IntervalIterators.FALSE.
IntervalSelector	A strategy for selecting reasonable intervals to be shown to the user.
IOFactories	Static methods that do useful things with I/O factories.
IOFactories.FileLinesIterable
IOFactories.FileLinesIterable.FileLinesIterator
IOFactory	A factory for streams.
ItalianStemmer	This class was automatically generated by a Snowball to Java compiler It implements the stemming algorithm defined by a snowball script.
JavamailDocumentCollection	A DocumentCollection corresponding to a Javamail Store.
JdbcDocumentCollection	A DocumentCollection corresponding to the result of a query in a relational database.
KraaijPohlmannStemmer	This class was automatically generated by a Snowball to Java compiler It implements the stemming algorithm defined by a snowball script.
LexicalCluster	A cluster exhibiting local indices referring to the same collection, but containing different set of terms, as a single index.
LexicalClusterIndexReader	An index reader for a lexical cluster.
LexicalClusteringStrategy	A way to associate a term with a local index out of a given set.
LexicalPartitioningStrategy	A way to associate a term number with a local index out of a given set and a local term number in the local index.
LexicalStrategies	Static utility methods for lexical strategies.
LinearAggregator	An aggregator that computes a linear combination of the component scorers.
LovinsStemmer	This class was automatically generated by a Snowball to Java compiler It implements the stemming algorithm defined by a snowball script.
LowPass	A node representing a low-pass filtering of the only underlying query.
LowPassDocumentIterator	A document iterator that filters another document iterator, returning just intervals (and containing documents) whose length does not exceed a given threshold.
Marker	A strategy for marking words.
MarkingMutableString	A mutable string with a special method to append text that should be marked.
MarkingMutableString.EscapeStrategy	An escaping strategy.
MemoryMappedHPIndex	A memory-mapped BitStreamHPIndex.
MemoryMappedIndex	A local memory-mapped bitstream index.
Merge	Merges several indices.
MG4JClassParser	A small wrapper around JSAP's standard ClassStringParser.
MimeTypeResolver	A thin wrapper around a singleton instance of MimetypesFileTypeMap that tries to load /etc/mime.types into the map.
MSOfficeDocumentFactory	A document factory for the Microsoft Office format.
MultiIndexTermExpander	A term expander that replaces every term or prefix with a disjunction of queries; each query is made by the same term or prefix preceded by a selection over a different index.
MultiTerm	A node representing a virtual term obtained by merging the occurrences of the given (possibly weighted) terms.
MultiTermIndexIterator	A virtual index iterator that merges several component index iterators.
NorwegianStemmer	This class was automatically generated by a Snowball to Java compiler It implements the stemming algorithm defined by a snowball script.
Not	A node representing the logical not of the underlying query.
NotDocumentIterator	A document iterator that returns documents not returned by its underlying iterator, and returns just IntervalIterators.TRUE on all interval iterators.
NullTermProcessor	A term processor that accepts all terms and does not do any processing.
OOXMLDocumentFactory	A document factory for the OOXML format.
OpenDocumentDocumentFactory	A document factory for the Open Document format.
Or	A node representing the logical or of the underlying queries.
OrderedAnd	A node representing the logical ordered and of the underlying queries.
OrderedAndDocumentIterator	An iterator returning documents containing nonoverlapping intervals in query order satisfying the underlying queries.
OrDocumentIterator	An iterator on documents that returns the OR of a number of document iterators.
ParseException	This exception is thrown when parse errors are encountered.
PartitionDocumentally	Partitions an index documentally.
PartitioningStrategy	A common ancestor interface for all partitioning strategies.
PartitionLexically	Partitions an index lexically.
PartitionLexically.LongWordInputBitStream
Paste	Pastes several indices.
Payload	An index payload.
PayloadPredicateDocumentIterator	A document iterator that filters an IndexIterator, returning just documents whose payload satisfies a given predicate.
PdfDocumentFactory	A document factory for the PDF format.
PorterStemmer	This class was automatically generated by a Snowball to Java compiler It implements the stemming algorithm defined by a snowball script.
PortugueseStemmer	This class was automatically generated by a Snowball to Java compiler It implements the stemming algorithm defined by a snowball script.
Prefix	A node representing a set of terms defined by a common prefix.
PropertyBasedDocumentFactory	A document factory initialised by default properties.
PropertyBasedDocumentFactory.MetadataKeys	Case-insensitive keys for metadata passed to DocumentFactory.getDocument(java.io.InputStream,it.unimi.dsi.fastutil.objects.Reference2ObjectMap).
QuasiSuccinctIndex	A quasi-succinct index.
QuasiSuccinctIndex.PropertyKeys	Symbolic names for additional properties of a QuasiSuccinctIndex.
QuasiSuccinctIndexReader	An index reader for quasi-succinct indices.
QuasiSuccinctIndexReader.AbstractQuasiSuccinctIndexIterator
QuasiSuccinctIndexReader.CountReader
QuasiSuccinctIndexReader.EliasFanoIndexIterator
QuasiSuccinctIndexReader.EliasFanoPointerReader
QuasiSuccinctIndexReader.LongWordBitReader
QuasiSuccinctIndexReader.PointerReader
QuasiSuccinctIndexReader.PositionReader
QuasiSuccinctIndexReader.RankedIndexIterator
QuasiSuccinctIndexReader.RankedPointerReader
QuasiSuccinctIndexWriter	An index writer for quasi-succinct indices.
QuasiSuccinctIndexWriter.Accumulator
QuasiSuccinctIndexWriter.LongWordCache
QuasiSuccinctIndexWriter.LongWordOutputBitStream
Queries	Static methods and objects related to queries.
Query	A node of a composite representing a query.
Query	A command-line interpreter to query indices.
Query.Command
Query.OutputType
QueryBuilderVisitor<T>	A visitor for a composite query.
QueryBuilderVisitorException	A wrapper for unchecked exceptions thrown during a visit.
QueryEngine	An engine that takes a query and returns results, using a programmable set of scorers and policies.
QueryParser	A parser transforming query strings in composite Query objects.
QueryParserException	A parse exception.
QueryServlet	A query servlet.
QueryTransformer	A strategy for transforming queries.
Range	A node representing a range query on a payload-only index.
Remap	A node representing an index remapping.
RemappingDocumentIterator	A decorator that remaps interval iterator requests.
ReplicatedDocumentFactory	A factory that replicates a given factory several times.
ResultItem	An instance of this class is used to pack the results gathered by QueryServlet in such a way that they are easily accessible from the Velocity Template Language.
RTFDocumentFactory	A document factory for the RTF format.
RunQuery	A very simple example that shows how to load a couple of indices and run them using a query engine.
Scan	Scans a document sequence, dividing it in batches of occurrences and writing for each batch a corresponding subindex.
Scan.Completeness
Scan.IndexingType
Scan.PayloadAccumulator	An accumulator for payloads.
Scan.VirtualDocumentFragment	An interface that describes a virtual document fragment.
ScanMetadata	Scans a document sequence and prints on standard output the corresponding URIs.
ScoredDocumentBoundedSizeQueue<T>	A queue of scored documents with fixed maximum capacity.
Scorer	A wrapper for a DocumentIterator returning scored document pointers.
Select	A node representing an index selection.
SelectedInterval	An interval selected for display.
SelectedInterval.IntervalType	The type of a selected interval, as set by an IntervalSelector.
SemiExternalOffsetBigList	Provides semi-external random access to offsets of an index.
SimpleCharStream	An implementation of interface CharStream, where the stream is assumed to contain only ASCII characters (without unicode processing).
SimpleCompressedDocumentCollection	A basic, compressed document collection that can be easily built at indexing time.
SimpleCompressedDocumentCollection.FrequencyCodec	A simple codec for integers that remaps frequent numbers to smaller numbers.
SimpleCompressedDocumentCollectionBuilder	A builder for simple compressed document collections.
SimpleParser	A simple parser that transform a query string into a query.
SimpleParserConstants	Token literal values and constants.
SimpleParserTokenManager	Token Manager.
SkipBitStreamIndexWriter	Writes a bitstream-based interleaved index with skips.
SkipBitStreamIndexWriter.TowerData	A structure maintaining statistical data about tower construction.
SkipGammaDeltaGammaDeltaBitStreamIndexReader
SkipGammaDeltaGammaDeltaBitStreamIndexReader.BitStreamIndexReaderIndexIterator
SpanishStemmer	This class was automatically generated by a Snowball to Java compiler It implements the stemming algorithm defined by a snowball script.
SubDocumentCollection	A collection that exhibits a contiguous subsets of documents from a given collection.
SubDocumentFactory	A factory that exposes a subset of the fields a given factory.
SubsetDocumentSequence	A collection that exhibits a subset of documents (possibly not contiguous) from a given sequence.
SwedishStemmer	This class was automatically generated by a Snowball to Java compiler It implements the stemming algorithm defined by a snowball script.
Term	A node representing a single term.
TermCollectionVisitor	A visitor collecting information about terms appearing in a DocumentIterator.
TermProcessor	A term processor, implementing term/prefix transformation and possibly term/prefix filtering.
TextDocumentFactory	A document factory for the text format; the character set will be autodetected.
TextMarker	A marker for text/HTML output.
TfIdfScorer	A scorer that implements the TF/IDF ranking formula.
TikaField	A Tika field represented inside MG4J.
Token	Describes the input token stream.
TokenMgrError	Token Manager Error.
TooManyTermsException	Thrown to indicate that a prefix query generated too many terms.
TRECDocumentCollection	A collection for the TREC GOV2 data set.
TRECDocumentCollection.TRECDocumentDescriptor	A compact description of the location and of the internal segmentation of a TREC document inside a file.
TRECHeaderDocumentFactory	A factory without fields that is used to interpret the header of a TREC GOV2 document.
True	A node representing truth (i.e., all documents are returned with interval iterator IntervalIterators.TRUE).
TrueDocumentIterator	A single-index document iterator returning all documents with interval iterator IntervalIterators.TRUE.
TrueTermsCollectionVisitor	A visitor collecting terms that satisfy a query for the current document.
URLMPHVirtualDocumentResolver	A virtual-document resolver based on document URIs.
VariableQuantumIndexWriter	An index writer supporting variable quanta.
Verifier	Verifies that an index matches a collection.
VignaScorer	Computes the Vigna score of all interval iterators of a document.
VirtualDocumentResolver	A resolver for virtual documents.
WarcDocumentSequence	A document sequence over a set of (possibly compressed) Warc files.
Weight	A node representing a weight selection.
WikipediaDocumentCollection	A DocumentCollection corresponding to a given set of files in the Yahoo! Wikipedia format.
WikipediaDocumentCollection.WhitespaceWordReader
WikipediaDocumentSequence	A class exhibiting a standard Wikipedia XML dump as a DocumentSequence.
WikipediaDocumentSequence.MetadataKeys
WikipediaDocumentSequence.SignedRedirectedStringMap	A wrapper around a signed function that remaps entries exceeding a provided threshold using a specified target array.
WikipediaDocumentSequence.WikipediaHeaderFactory	A factory responsible for special Wikipedia fields (see the class documentation).
XMLDocumentFactory	A document factory for XML.
ZipDocumentCollection	A document collection stored in a zip file.
ZipDocumentCollection.PropertyKeys	Symbolic names for common properties of a DocumentCollection.
ZipDocumentCollection.ZipFactory	A factory tightly coupled to a ZipDocumentCollection.
ZipDocumentCollectionBuilder	A builder for zipped document collections.