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

Packages that use Posting

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.structures	Provides the classes that implement the data structures used for retrieval with the Terrier platform.
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.postings	Provides classes representing single postings and atreams of postings in a posting list (e.g.

Uses of Posting in org.terrier.matching.daat

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

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

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

double	WeightingModel.score(Posting p) Returns score
double	PerFieldNormWeightingModel.score(Posting _p)
double	ML2.score(Posting _p)
double	MDL2.score(Posting _p)

Uses of Posting in org.terrier.matching.tsms

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

double	TermInFieldModifier.score(Posting _p) Returns score
double	RequiredTermModifier.score(Posting p) Returns score

Uses of Posting in org.terrier.structures

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

protected void	FieldDirectInvertedOutputStream.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)
protected void	BlockFieldDirectInvertedOutputStream.writePostingNotDocid(Posting _p)
protected void	BlockDirectInvertedOutputStream.writePostingNotDocid(Posting _p)

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

BitIndexPointer	DirectInvertedOutputStream.writePostings(java.util.Iterator<Posting> iterator) Write out the specified postings.
BitIndexPointer	DirectInvertedOutputStream.writePostings(java.util.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

protected class

DocumentPostingList.postingIterator

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

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

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

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, java.util.Iterator<Posting> documentPostings, org.apache.hadoop.mapred.OutputCollector<java.lang.Object,java.lang.Object> collector, org.apache.hadoop.mapred.Reporter reporter)

Uses of Posting in org.terrier.structures.postings

Subinterfaces of Posting in org.terrier.structures.postings

interface	BitWritablePosting As WritablePosting, but using the BitWritable interface.
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

class	ArrayOfBasicIterablePosting An instance of IterablePostings that works with passed arrays of ids and frequencies
class	ArrayOfIdsIterablePosting An instance of IterablePostings that works with a passed array of ids
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	BasicPostingImpl Implementation of a Posting that is non-iterable.
class	BlockFieldIterablePosting class BlockFieldIterablePosting
class	BlockFieldORIterablePosting ORIterablePosting implementation that implements FieldPosting and BlockPosting
class	BlockFieldPostingImpl A writable block field posting list
class	BlockIterablePosting A writable block iterable posting list
class	BlockORIterablePosting ORIterablePosting implementation that implements BlockPosting
class	BlockPostingImpl BlockPostingImpl class
class	FieldIterablePosting A posting iterator for field postings.
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.

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

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