- java.lang.Object
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- org.apache.lucene.search.FuzzyAutomatonBuilder
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class FuzzyAutomatonBuilder extends java.lang.Object
Builds a set of CompiledAutomaton for fuzzy matching on a given term, with specified maximum edit distance, fixed prefix and whether or not to allow transpositions.
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Field Summary
Fields Modifier and Type Field Description private LevenshteinAutomata
levBuilder
private int
maxEdits
private java.lang.String
prefix
private java.lang.String
term
private int
termLength
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Constructor Summary
Constructors Constructor Description FuzzyAutomatonBuilder(java.lang.String term, int maxEdits, int prefixLength, boolean transpositions)
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description (package private) CompiledAutomaton[]
buildAutomatonSet()
(package private) CompiledAutomaton
buildMaxEditAutomaton()
(package private) int
getTermLength()
private static int[]
stringToUTF32(java.lang.String text)
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Field Detail
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term
private final java.lang.String term
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maxEdits
private final int maxEdits
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levBuilder
private final LevenshteinAutomata levBuilder
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prefix
private final java.lang.String prefix
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termLength
private final int termLength
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Method Detail
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buildAutomatonSet
CompiledAutomaton[] buildAutomatonSet()
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buildMaxEditAutomaton
CompiledAutomaton buildMaxEditAutomaton()
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getTermLength
int getTermLength()
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stringToUTF32
private static int[] stringToUTF32(java.lang.String text)
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