Package org.apache.lucene.search.suggest.document
Support for document suggestion
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Class Summary Class Description Completion50PostingsFormat CompletionPostingsFormat
fororg.apache.lucene.backward_codecs.lucene50.Lucene50PostingsFormat
.Completion84PostingsFormat CompletionPostingsFormat
fororg.apache.lucene.backward_codecs.lucene84.Lucene84PostingsFormat
.Completion90PostingsFormat CompletionAnalyzer Wraps anAnalyzer
to provide additional completion-only tuning (e.g.CompletionPostingsFormat APostingsFormat
which supports document suggestion based on indexedSuggestField
s.CompletionQuery AbstractQuery
that match documents containing terms with a specified prefix filtered byBitsProducer
.CompletionScorer Expert: Responsible for executing the query against an appropriate suggester and collecting the results via a collector.CompletionsTermsReader Holder for suggester and field-level info for a suggest fieldCompletionTerms WrappedTerms
used bySuggestField
andContextSuggestField
to access corresponding suggester and their attributesCompletionTokenStream AConcatenateGraphFilter
but we can set the payload and provide access to config options.CompletionWeight Expert: the Weight for CompletionQuery, used to score and explain these queries.ContextQuery ACompletionQuery
that matches documents specified by a wrappedCompletionQuery
supporting boosting and/or filtering by specified contexts.ContextSuggestField SuggestField
which additionally takes in a set of contexts.FuzzyCompletionQuery ACompletionQuery
that match documents containing terms within an edit distance of the specified prefix.NRTSuggester NRTSuggester executes Top N search on a weighted FST specified by aCompletionScorer
PrefixCompletionQuery ACompletionQuery
which takes anAnalyzer
to analyze the prefix of the query term.RegexCompletionQuery ACompletionQuery
which takes a regular expression as the prefix of the query term.SuggestField Field that indexes a string value and a weight as a weighted completion against a named suggester.SuggestIndexSearcher Adds document suggest capabilities to IndexSearcher.TopSuggestDocs TopSuggestDocs.SuggestScoreDoc ScoreDoc
with an additional CharSequence keyTopSuggestDocsCollector Collector
that collects completion and score, along with document id -
Enum Summary Enum Description CompletionPostingsFormat.FSTLoadMode An enum that allows to control if suggester FSTs are loaded into memory or read off-heap