Uses of Interface
org.terrier.structures.PostingIndex

Packages that use PostingIndex

Package	Description
org.terrier.matching	Provides the classes and interfaces used for matching documents to queries.
org.terrier.matching.matchops	This package contains matching Operators.
org.terrier.querying	Provides the interfaces and classes for the querying API of the Terrier platform, the controls, post processors and filters.
org.terrier.realtime.memory	Provides MemoryIndex structures.
org.terrier.realtime.memory.fields	Provides MemoryIndex structures that support field search.
org.terrier.realtime.multi	Provides MultiIndex structures.
org.terrier.structures	Provides the interfaces for the index data structures used for retrieval with the Terrier platform.
org.terrier.structures.bit	Provides on-disk index structures that support the older bit-level compression scheme.
org.terrier.structures.indexing	Provides the classes used for creating the data structures of the Terrier platform.
org.terrier.structures.postings	Provides classes representing single postings and atreams of postings in a posting list (e.g.

Uses of PostingIndex in org.terrier.matching

Fields in org.terrier.matching declared as PostingIndex

Modifier and Type	Field	Description
protected PostingIndex<Pointer>	BaseMatching.invertedIndex	The inverted file.
protected PostingIndex<Pointer>	PostingListManager.invertedIndex	inverted index of the index

Uses of PostingIndex in org.terrier.matching.matchops

Methods in org.terrier.matching.matchops with parameters of type PostingIndex

Modifier and Type	Method	Description
MatchingEntry	DateRangeOp.getMatcher(MatchingQueryTerms.QueryTermProperties qtp, Index index, Lexicon<java.lang.String> lexTerm, PostingIndex<Pointer> invTerm, CollectionStatistics collectionStats)
MatchingEntry	MultiTermOp.getMatcher(MatchingQueryTerms.QueryTermProperties qtp, Index index, Lexicon<java.lang.String> lexicon, PostingIndex<Pointer> invertedIndex, CollectionStatistics collectionStatistics)
abstract MatchingEntry	Operator.getMatcher(MatchingQueryTerms.QueryTermProperties qtp, Index index, Lexicon<java.lang.String> lex, PostingIndex<Pointer> inv, CollectionStatistics collStats)	get an entry for matching for this query op.
MatchingEntry	SingleTermOp.getMatcher(MatchingQueryTerms.QueryTermProperties qtp, Index index, Lexicon<java.lang.String> lexicon, PostingIndex<Pointer> invertedIndex, CollectionStatistics collectionStatistics)

Uses of PostingIndex in org.terrier.querying

Fields in org.terrier.querying declared as PostingIndex

Modifier and Type	Field	Description
protected PostingIndex<?>	DFRBagExpansionTerms.directIndex
protected PostingIndex<?>	QueryExpansion.directIndex	The direct index used for retrieval.
protected PostingIndex<?>	QueryExpansion.invertedIndex	The inverted index used for retrieval.

Constructors in org.terrier.querying with parameters of type PostingIndex

Constructor	Description
DFRBagExpansionTerms(CollectionStatistics collStats, Lexicon<java.lang.String> _lexicon, PostingIndex<?> _directIndex, DocumentIndex _documentIndex)	Constructs an instance of ExpansionTerms.

Uses of PostingIndex in org.terrier.realtime.memory

Classes in org.terrier.realtime.memory that implement PostingIndex

Modifier and Type	Class	Description
class	MemoryDirectIndex	This is a DirectIndex structure that is held fully in memory, it is based upon the MemoryInverted class.
class	MemoryInvertedIndex	A basic inverted file implementation for use with MemoryIndex structures.

Methods in org.terrier.realtime.memory that return PostingIndex

Modifier and Type	Method	Description
PostingIndex<?>	MemoryIndex.getDirectIndex()	Not implemented.
PostingIndex<?>	MemoryIndex.getInvertedIndex()	Returns the InvertedIndex to use for this index

Uses of PostingIndex in org.terrier.realtime.memory.fields

Classes in org.terrier.realtime.memory.fields that implement PostingIndex

Modifier and Type	Class	Description
class	MemoryFieldsDirectIndex
class	MemoryFieldsInvertedIndex	Postings list (non-compressed) (fields).

Uses of PostingIndex in org.terrier.realtime.multi

Classes in org.terrier.realtime.multi that implement PostingIndex

Modifier and Type	Class	Description
class	MultiDirect	Multi Direct Index structure.
class	MultiInverted	An inverted file implementation for a MultIndex.

Methods in org.terrier.realtime.multi that return PostingIndex

Modifier and Type	Method	Description
PostingIndex<?>	MultiIndex.getDirectIndex()
PostingIndex<?>	MultiIndex.getInvertedIndex()	Returns the InvertedIndex to use for this index

Constructors in org.terrier.realtime.multi with parameters of type PostingIndex

Constructor	Description
MultiDirect(PostingIndex<Pointer>[] postings, MultiLexicon lex, boolean blocks, boolean fields)	Constructor.
MultiInverted(PostingIndex<Pointer>[] postings, int[] offsets, boolean blocks)	Constructor.

Uses of PostingIndex in org.terrier.structures

Methods in org.terrier.structures that return PostingIndex

Modifier and Type	Method	Description
abstract PostingIndex<?>	Index.getDirectIndex()	Return the DirectIndex associated with this index
PostingIndex<Pointer>	IndexOnDisk.getDirectIndex()
abstract PostingIndex<?>	PropertiesIndex.getDirectIndex()	Return the DirectIndex associated with this index
abstract PostingIndex<?>	Index.getInvertedIndex()	Returns the InvertedIndex to use for this index
PostingIndex<?>	IndexOnDisk.getInvertedIndex()
abstract PostingIndex<?>	PropertiesIndex.getInvertedIndex()	Returns the InvertedIndex to use for this index

Uses of PostingIndex in org.terrier.structures.bit

Classes in org.terrier.structures.bit that implement PostingIndex

Modifier and Type	Class	Description
class	BitPostingIndex	Class for various bit compressed index implementations, including parents to current DirectIndex and InvertedIndex implementations.

Uses of PostingIndex in org.terrier.structures.indexing

Methods in org.terrier.structures.indexing that return types with arguments of type PostingIndex

Modifier and Type	Method	Description
abstract java.lang.Class<? extends PostingIndex<?>>	CompressionFactory.CompressionConfiguration.getStructureClass()	What is the structure class for this structure

Uses of PostingIndex in org.terrier.structures.postings

Methods in org.terrier.structures.postings with parameters of type PostingIndex

Modifier and Type	Method	Description
static IterablePosting	PhraseIterablePosting.createPhrasePostingList(java.lang.String[] terms, Lexicon<java.lang.String> lex, PostingIndex<Pointer> invIndex, boolean savePositions)
static IterablePosting	PhraseIterablePosting.createPhrasePostingList(Pointer[] ps, PostingIndex<Pointer> invIndex, boolean savePositions)
static IterablePosting	ProximityIterablePosting.createProximityPostingList(java.lang.String[] terms, Lexicon<java.lang.String> lex, PostingIndex<Pointer> invIndex, int blockDistance)
static IterablePosting	ProximityIterablePosting.createProximityPostingList(Pointer[] ps, PostingIndex<Pointer> invIndex, int blockDistance)