Module org.apache.lucene.analysis.common

Package org.apache.lucene.analysis.hunspell

Class ModifyingSuggester

java.lang.Object

org.apache.lucene.analysis.hunspell.ModifyingSuggester

class ModifyingSuggester
extends Object

A class that modifies the given misspelled word in various ways to get correct suggestions

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static enum	ModifyingSuggester.GradedSuggestions

Field Summary

Fields

Modifier and Type	Field	Description
private final FragmentChecker	fragmentChecker
private static final int	MAX_CHAR_DISTANCE
private final String	misspelled
private final LinkedHashSet<Suggestion>	result
private final Hunspell	speller
private final Set<String>	tried
private final char[]	tryChars
private final WordCase	wordCase

Constructor Summary

Constructors

Constructor	Description
ModifyingSuggester(Hunspell speller, LinkedHashSet<Suggestion> result, String misspelled, WordCase wordCase, FragmentChecker checker)

Method Summary

Modifier and Type	Method	Description
private Suggestion	capitalizeAfterSpace(String candidate)
private List<Suggestion>	checkDictionaryForSplitSuggestions(String word)
private boolean	checkSimpleWord(String part)
private Suggestion	createSuggestion(String candidate)
private void	enumerateMapReplacements(String word, String accumulated, int offset)
private boolean	shouldSplitByDash()
(package private) boolean	suggest()
private void	tryAddingChar(String word)
private void	tryDoubleSwapForShortWords(String word, int length)
private void	tryLongSwap(String word)
private void	tryModifiedSuggestions(int modOffset, String candidate)
private void	tryMovingChar(String word)
private void	tryNeighborKeys(String word)
private void	tryRemovingChar(String word)
private ModifyingSuggester.GradedSuggestions	tryRep(String word)
private void	tryReplacingChar(String word)
private void	trySplitting(String word)
private boolean	trySuggestion(String candidate)
private void	trySwappingChars(String word)
private void	tryTwoDuplicateChars(String word)
private boolean	tryVariationsOf(String word)

Methods inherited from class java.lang.Object

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

Field Details

MAX_CHAR_DISTANCE

private static final int MAX_CHAR_DISTANCE

See Also:

• Constant Field Values

result

private final LinkedHashSet<Suggestion> result

misspelled

private final String misspelled

wordCase

private final WordCase wordCase

fragmentChecker

private final FragmentChecker fragmentChecker

tryChars

private final char[] tryChars

speller

private final Hunspell speller

tried

private final Set<String> tried

Constructor Details

ModifyingSuggester

ModifyingSuggester(Hunspell speller,
 LinkedHashSet<Suggestion> result,
 String misspelled,
 WordCase wordCase,
 FragmentChecker checker)

Method Details

suggest

boolean suggest()

Returns:

whether any of the added suggestions are considered "good"

createSuggestion

private Suggestion createSuggestion(String candidate)

capitalizeAfterSpace

private Suggestion capitalizeAfterSpace(String candidate)

tryVariationsOf

private boolean tryVariationsOf(String word)

tryRep

private ModifyingSuggester.GradedSuggestions tryRep(String word)

enumerateMapReplacements

private void enumerateMapReplacements(String word,
 String accumulated,
 int offset)

checkSimpleWord

private boolean checkSimpleWord(String part)

trySwappingChars

private void trySwappingChars(String word)

tryDoubleSwapForShortWords

private void tryDoubleSwapForShortWords(String word,
 int length)

tryNeighborKeys

private void tryNeighborKeys(String word)

tryModifiedSuggestions

private void tryModifiedSuggestions(int modOffset,
 String candidate)

tryLongSwap

private void tryLongSwap(String word)

tryRemovingChar

private void tryRemovingChar(String word)

tryAddingChar

private void tryAddingChar(String word)

tryMovingChar

private void tryMovingChar(String word)

tryReplacingChar

private void tryReplacingChar(String word)

tryTwoDuplicateChars

private void tryTwoDuplicateChars(String word)

checkDictionaryForSplitSuggestions

private List<Suggestion> checkDictionaryForSplitSuggestions(String word)

trySplitting

private void trySplitting(String word)

shouldSplitByDash

private boolean shouldSplitByDash()

trySuggestion

private boolean trySuggestion(String candidate)