org.apache.lucene.search.uhighlight

Class MemoryIndexOffsetStrategy

java.lang.Object

org.apache.lucene.search.uhighlight.FieldOffsetStrategy

org.apache.lucene.search.uhighlight.AnalysisOffsetStrategy

org.apache.lucene.search.uhighlight.MemoryIndexOffsetStrategy

public class MemoryIndexOffsetStrategy
extends AnalysisOffsetStrategy

Uses an Analyzer on content to get offsets and then populates a MemoryIndex.

Field Summary

Fields inherited from class org.apache.lucene.search.uhighlight.AnalysisOffsetStrategy

analyzer

Fields inherited from class org.apache.lucene.search.uhighlight.FieldOffsetStrategy

automata, field, phraseHelper, terms

Constructor Summary

Constructors

Constructor and Description
MemoryIndexOffsetStrategy(java.lang.String field, java.util.function.Predicate<java.lang.String> fieldMatcher, BytesRef[] extractedTerms, PhraseHelper phraseHelper, CharacterRunAutomaton[] automata, Analyzer analyzer, java.util.function.Function<Query,java.util.Collection<Query>> multiTermQueryRewrite)

Method Summary

Modifier and Type	Method and Description
java.util.List<OffsetsEnum>	getOffsetsEnums(IndexReader reader, int docId, java.lang.String content) The primary method -- return offsets for highlightable words in the specified document.

Methods inherited from class org.apache.lucene.search.uhighlight.AnalysisOffsetStrategy

getOffsetSource, tokenStream

Methods inherited from class org.apache.lucene.search.uhighlight.FieldOffsetStrategy

createAutomataOffsetsFromTerms, createOffsetsEnumsFromReader, getField

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MemoryIndexOffsetStrategy

public MemoryIndexOffsetStrategy(java.lang.String field,
                                 java.util.function.Predicate<java.lang.String> fieldMatcher,
                                 BytesRef[] extractedTerms,
                                 PhraseHelper phraseHelper,
                                 CharacterRunAutomaton[] automata,
                                 Analyzer analyzer,
                                 java.util.function.Function<Query,java.util.Collection<Query>> multiTermQueryRewrite)

Method Detail

getOffsetsEnums

public java.util.List<OffsetsEnum> getOffsetsEnums(IndexReader reader,
                                                   int docId,
                                                   java.lang.String content)
                                            throws java.io.IOException

Description copied from class: FieldOffsetStrategy

The primary method -- return offsets for highlightable words in the specified document. IMPORTANT: remember to close them all.

Specified by:

getOffsetsEnums in class FieldOffsetStrategy

Throws:

java.io.IOException