Uses of Interface
org.terrier.structures.postings.Posting

Packages that use Posting

Package	Description
org.terrier.matching.daat	Provides classes that implement a document-at-a-time (DAAT) matching strategy.
org.terrier.matching.dsms	Provides the interface and the classes for modifying the scores of documents after an score has been assigned to documents, or implementing the combination of evidence.
org.terrier.matching.models	Provides the classes that implement various weighting models.
org.terrier.matching.tsms	Provides the interface and classes that implement the term score modifiers, which modify the scores assigned to documents for a particular term.
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 classes that implement the 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.indexing.singlepass	Provides implementation of the structures needed for performing a single pass indexing
org.terrier.structures.indexing.singlepass.hadoop	Provides classes implemeting the Hadoop MapReduce indexing in Terrier.
org.terrier.structures.integer	Provides generic posting index classes that support byte-level compression.
org.terrier.structures.postings	Provides classes representing single postings and atreams of postings in a posting list (e.g.
org.terrier.structures.postings.bit	Provides bit-level IterablePosting implementations.
org.terrier.structures.postings.integer	Provides byte-level IterablePosting implementations.

Uses of Posting in org.terrier.matching.daat

Methods in org.terrier.matching.daat with parameters of type Posting

Modifier and Type	Method and Description
protected double	FullNoPLM.scoreIt(WeightingModel[] wModels, Posting posting) calculate the score for this posting using the specified weighting models

Uses of Posting in org.terrier.matching.dsms

Methods in org.terrier.matching.dsms with parameters of type Posting

Modifier and Type	Method and Description
double	DependenceScoreModifier.score(Posting[] postings) Calculate the score for a document (from the given posting for that document)
protected double	DependenceScoreModifier.scoreFDSD(boolean SD, int i, Posting ip1, int j, Posting ip2, double _avgDocLen) how likely is it that these two postings have so many near-occurrences, given the length of this document

Uses of Posting in org.terrier.matching.models

Methods in org.terrier.matching.models with parameters of type Posting

Modifier and Type	Method and Description
double	PerFieldNormWeightingModel.score(Posting _p)
double	SingleFieldModel.score(Posting _p)
double	WeightingModel.score(Posting p) Returns score
double	ML2.score(Posting _p) Returns score
double	MDL2.score(Posting _p) Returns score
abstract double	StaticScoreModifierWeightingModel.score(Posting p)
double	StaticFeature.score(Posting p)

Uses of Posting in org.terrier.matching.tsms

Methods in org.terrier.matching.tsms with parameters of type Posting

Modifier and Type	Method and Description
double	RequiredTermModifier.score(Posting p) Returns score
double	TermInFieldModifier.score(Posting _p) Returns score

Uses of Posting in org.terrier.realtime.memory

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

Modifier and Type	Class and Description
class	MemoryIterablePosting A postings list implementation held fully in memory.

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

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

Modifier and Type	Class and Description
class	MemoryFieldsIterablePosting Iterable posting (fields).

Uses of Posting in org.terrier.realtime.multi

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

Modifier and Type	Class and Description
class	MultiDirectIterablePostingWithOffset This acts as a wrapper class that surrounds an IterablePosting object.
class	MultiIterablePosting A posting list implementation used within a MultiIndex.

Uses of Posting in org.terrier.structures

Method parameters in org.terrier.structures with type arguments of type Posting

Modifier and Type	Method and Description
abstract BitIndexPointer	AbstractPostingOutputStream.writePostings(Iterator<Posting> iterator)
abstract BitIndexPointer	AbstractPostingOutputStream.writePostings(Iterator<Posting> iterator, int previousId)

Uses of Posting in org.terrier.structures.bit

Methods in org.terrier.structures.bit with parameters of type Posting

Modifier and Type	Method and Description
protected void	FieldDirectInvertedOutputStream.writePostingNotDocid(Posting _p)
protected void	BlockDirectInvertedOutputStream.writePostingNotDocid(Posting _p)
protected void	BlockFieldDirectInvertedOutputStream.writePostingNotDocid(Posting _p)
protected void	DirectInvertedOutputStream.writePostingNotDocid(Posting p) Hook method for writing out the remainder of the posting
protected void	DirectInvertedDocidOnlyOuptutStream.writePostingNotDocid(Posting p)

Method parameters in org.terrier.structures.bit with type arguments of type Posting

Modifier and Type	Method and Description
BitIndexPointer	DirectInvertedOutputStream.writePostings(Iterator<Posting> iterator) Write out the specified postings.
BitIndexPointer	DirectInvertedOutputStream.writePostings(Iterator<Posting> iterator, int previousId) Write out the specified postings, but allowing the delta for the first document to be adjusted

Uses of Posting in org.terrier.structures.indexing

Classes in org.terrier.structures.indexing that implement Posting

Modifier and Type	Class and Description
protected class	DocumentPostingList.postingIterator

Uses of Posting in org.terrier.structures.indexing.singlepass

Classes in org.terrier.structures.indexing.singlepass that implement Posting

Modifier and Type	Class and Description
protected class	BlockFieldPostingInRun.bfPIRPostingIterator
protected class	BlockPostingInRun.BlockPIRPostingIterator
protected class	FieldPostingInRun.fPIRPostingIterator
protected class	SimplePostingInRun.PIRPostingIterator

Uses of Posting in org.terrier.structures.indexing.singlepass.hadoop

Method parameters in org.terrier.structures.indexing.singlepass.hadoop with type arguments of type Posting

Modifier and Type	Method and Description
void	Inv2DirectMultiReduce.map(org.apache.hadoop.io.IntWritable termId, Wrapper<IterablePosting> postingWrapper, org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.VIntWritable,Posting> collector, org.apache.hadoop.mapred.Reporter reporter) Take an iterator of postings.
void	Inv2DirectMultiReduce.reduce(org.apache.hadoop.io.VIntWritable _targetDocid, Iterator<Posting> documentPostings, org.apache.hadoop.mapred.OutputCollector<Object,Object> collector, org.apache.hadoop.mapred.Reporter reporter)

Uses of Posting in org.terrier.structures.integer

Method parameters in org.terrier.structures.integer with type arguments of type Posting

Modifier and Type	Method and Description
BitIndexPointer	IntegerCodingPostingOutputStream.writePostings(Iterator<Posting> iterator)
BitIndexPointer	IntegerCodingPostingOutputStream.writePostings(Iterator<Posting> iterator, int previousId)

Uses of Posting in org.terrier.structures.postings

Subinterfaces of Posting in org.terrier.structures.postings

Modifier and Type	Interface and Description
interface	BlockPosting Interface implemented by Posting objects that have position information recorded.
interface	FieldPosting Interface implemented by Posting objects that have field information recorded.
interface	IterablePosting An interface that allows a list of postings to be iterated over
interface	WritablePosting Allow a Posting to be written to a DataOut

Classes in org.terrier.structures.postings that implement Posting

Modifier and Type	Class and Description
class	ANDIterablePosting An instance of IterablePostings that works with passed arrays of ids and frequencies.
class	ArrayOfBasicIterablePosting An instance of IterablePostings that works with passed arrays of ids and frequencies
class	ArrayOfBlockFieldIterablePosting An array structure that golds BlockFieldIterablePostings
class	ArrayOfBlockIterablePosting An array structure that golds BlockIterablePostings
class	ArrayOfFieldIterablePosting An instance of IterablePostings that works with passed arrays of ids and frequencies for each field.
class	ArrayOfIdsIterablePosting An instance of IterablePostings that works with a passed array of ids
class	BasicPostingImpl Implementation of a Posting that is non-iterable.
class	BlockFieldORIterablePosting ORIterablePosting implementation that implements FieldPosting and BlockPosting
class	BlockFieldPostingImpl A writable block field posting list
class	BlockORIterablePosting ORIterablePosting implementation that implements BlockPosting
class	BlockPostingImpl BlockPostingImpl class
class	FieldORIterablePosting ORIterablePosting implementation that implements FieldPosting
class	FieldPostingImpl Implementation of a posting containing fields
class	IterablePostingImpl A base implementation of an IterablePosting, that provides a base implementation of next(int) method.
class	ORIterablePosting An IterablePosting that combines more than one IterablePosting into a single IterablePosting.
class	PhraseIterablePosting Implementation of an IterablePosting for block indices that returns only documents that match a multi-term phase.
class	ProximityIterablePosting Implementation of an IterablePosting for block indices that returns only documents that match phases within a fixed window size.

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

Modifier and Type	Method and Description
protected void	BlockORIterablePosting.addPosting(Posting p)
protected void	FieldORIterablePosting.addPosting(Posting _p)
protected void	ORIterablePosting.addPosting(Posting p)
protected void	BlockFieldORIterablePosting.addPosting(Posting p)
int	PostingIdComparator.compare(Posting o1, Posting o2) Compare Posting objects by id
protected void	BlockORIterablePosting.firstPosting(Posting p)
protected void	FieldORIterablePosting.firstPosting(Posting _p)
protected void	ORIterablePosting.firstPosting(Posting p)
protected void	BlockFieldORIterablePosting.firstPosting(Posting p)

Uses of Posting in org.terrier.structures.postings.bit

Classes in org.terrier.structures.postings.bit that implement Posting

Modifier and Type	Class and Description
class	BasicIterablePosting Basic inverted and direct index format: [gamma(first docid +1) unary (frequency)], [gamma(delta docid) unary(frequency)]
class	BasicIterablePostingDocidOnly Posting iterator class that only returns identifiers, not frequencies.
class	BlockFieldIterablePosting class BlockFieldIterablePosting
class	BlockIterablePosting A writable block iterable posting list
class	FieldIterablePosting A posting iterator for field postings.

Uses of Posting in org.terrier.structures.postings.integer

Classes in org.terrier.structures.postings.integer that implement Posting

Modifier and Type	Class and Description
class	BasicIntegerCodingIterablePosting An IterablePosting implementation, which can optionally support fields and/or blocks.
class	BlockFieldIntegerCodingIterablePosting An IterablePosting implementation, which can optionally support fields and/or blocks.
class	BlockIntegerCodingIterablePosting An IterablePosting implementation, which can optionally support blocks
class	FieldIntegerCodingIterablePosting An IterablePosting implementation, which can optionally support Fields
class	IntegerCodingIterablePosting Deprecated.