PostingsExtension extension

Extension methods and properties on PostingsMap.

on

• PostingsMap

Properties

docIds → Set<String>

Available on PostingsMap, provided by the PostingsExtension extension

Returns all the unique document ids (document id) in the PostingsMap.

no setter

terms → List<String>

Available on PostingsMap, provided by the PostingsExtension extension

Returns the dictionary terms (keys) as an ordered list, sorted alphabetically.

no setter

Methods

addTermPosition({required String term, required String docId, required Pt position, String? zone}) → bool

Available on PostingsMap, provided by the PostingsExtension extension

Adds or updates a posting position for the docId to PostingsMap entry for the term.

addZonePostings(String term, String docId, ZonePostingsMap positions) → bool

Available on PostingsMap, provided by the PostingsExtension extension

Adds a postings for the docId to PostingsMap entry for the term.

containsAll(Iterable<String> terms) → Set<String>

Available on PostingsMap, provided by the PostingsExtension extension

Returns a Set of document id of those documents that contain all the terms.

containsAny(Iterable<String> terms) → Set<String>

Available on PostingsMap, provided by the PostingsExtension extension

Returns a Set of document id of those documents that contain any of the terms. Used for index-elimination as a fist pass in scoring and ranking of search results.

documentPostings(Iterable<String> docIds) → PostingsMap

Available on PostingsMap, provided by the PostingsExtension extension

Filters the PostingsMap by document ids.

fieldPostings(Iterable<String> fields) → PostingsMap

Available on PostingsMap, provided by the PostingsExtension extension

Filters the PostingsMap by zone names.

filter({Iterable<String>? terms, Iterable<String>? docIds, Iterable<String>? fields}) → PostingsMap

Available on PostingsMap, provided by the PostingsExtension extension

Filters the PostingsMap by terms, docIds AND fields.

getPostings(Iterable<String> terms) → PostingsMap

Available on PostingsMap, provided by the PostingsExtension extension

Filters the PostingsMap by terms.

termPostings(String term) → List<DocPostingsMapEntry>

Available on PostingsMap, provided by the PostingsExtension extension

Returns the list of all the DocPostingsMapEntry for the term from the PostingsMap.

termPostingsList([Iterable<String>? terms]) → List<DocPostingsMapEntry>

Available on PostingsMap, provided by the PostingsExtension extension

Returns the list of all the DocPostingsMapEntry for the terms from the PostingsMap.

toList() → List<PostingsMapEntry>

Available on PostingsMap, provided by the PostingsExtension extension

Returns the list of PostingsMapEntry elements in the PostingsMap in alphapetic order of the terms (keys).