本文整理汇总了Java中org.apache.lucene.search.spell.SuggestWord类的典型用法代码示例。如果您正苦于以下问题：Java SuggestWord类的具体用法？Java SuggestWord怎么用？Java SuggestWord使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
SuggestWord类属于org.apache.lucene.search.spell包，在下文中一共展示了SuggestWord类的11个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: createDirectSpellChecker
import org.apache.lucene.search.spell.SuggestWord; //导入依赖的package包/类
public DirectSpellChecker createDirectSpellChecker() {
DirectSpellChecker directSpellChecker = new DirectSpellChecker();
directSpellChecker.setAccuracy(accuracy());
Comparator<SuggestWord> comparator;
switch (sort()) {
case SCORE:
comparator = SCORE_COMPARATOR;
break;
case FREQUENCY:
comparator = LUCENE_FREQUENCY;
break;
default:
throw new IllegalArgumentException("Illegal suggest sort: " + sort());
}
directSpellChecker.setComparator(comparator);
directSpellChecker.setDistance(stringDistance());
directSpellChecker.setMaxEdits(maxEdits());
directSpellChecker.setMaxInspections(maxInspections());
directSpellChecker.setMaxQueryFrequency(maxTermFreq());
directSpellChecker.setMinPrefix(prefixLength());
directSpellChecker.setMinQueryLength(minWordLength());
directSpellChecker.setThresholdFrequency(minDocFreq());
directSpellChecker.setLowerCaseTerms(false);
return directSpellChecker;
}
示例2: innerExecute
import org.apache.lucene.search.spell.SuggestWord; //导入依赖的package包/类
@Override
public TermSuggestion innerExecute(String name, TermSuggestionContext suggestion, IndexSearcher searcher, CharsRefBuilder spare)
throws IOException {
DirectSpellChecker directSpellChecker = suggestion.getDirectSpellCheckerSettings().createDirectSpellChecker();
final IndexReader indexReader = searcher.getIndexReader();
TermSuggestion response = new TermSuggestion(
name, suggestion.getSize(), suggestion.getDirectSpellCheckerSettings().sort()
);
List<Token> tokens = queryTerms(suggestion, spare);
for (Token token : tokens) {
// TODO: Extend DirectSpellChecker in 4.1, to get the raw suggested words as BytesRef
SuggestWord[] suggestedWords = directSpellChecker.suggestSimilar(
token.term, suggestion.getShardSize(), indexReader, suggestion.getDirectSpellCheckerSettings().suggestMode()
);
Text key = new Text(new BytesArray(token.term.bytes()));
TermSuggestion.Entry resultEntry = new TermSuggestion.Entry(key, token.startOffset, token.endOffset - token.startOffset);
for (SuggestWord suggestWord : suggestedWords) {
Text word = new Text(suggestWord.string);
resultEntry.addOption(new TermSuggestion.Entry.Option(word, suggestWord.freq, suggestWord.score));
}
response.addTerm(resultEntry);
}
return response;
}
示例3: drawCandidates
import org.apache.lucene.search.spell.SuggestWord; //导入依赖的package包/类
@Override
public CandidateSet drawCandidates(CandidateSet set) throws IOException {
Candidate original = set.originalTerm;
BytesRef term = preFilter(original.term, spare, byteSpare);
final long frequency = original.frequency;
spellchecker.setThresholdFrequency(this.suggestMode == SuggestMode.SUGGEST_ALWAYS ? 0 : thresholdFrequency(frequency, dictSize));
SuggestWord[] suggestSimilar = spellchecker.suggestSimilar(new Term(field, term), numCandidates, reader, this.suggestMode);
List<Candidate> candidates = new ArrayList<>(suggestSimilar.length);
for (int i = 0; i < suggestSimilar.length; i++) {
SuggestWord suggestWord = suggestSimilar[i];
BytesRef candidate = new BytesRef(suggestWord.string);
postFilter(new Candidate(candidate, internalFrequency(candidate), suggestWord.score,
score(suggestWord.freq, suggestWord.score, dictSize), false), spare, byteSpare, candidates);
}
set.addCandidates(candidates);
return set;
}
示例4: innerExecute
import org.apache.lucene.search.spell.SuggestWord; //导入依赖的package包/类
@Override
public TermSuggestion innerExecute(String name, TermSuggestionContext suggestion, IndexSearcher searcher, CharsRefBuilder spare) throws IOException {
DirectSpellChecker directSpellChecker = SuggestUtils.getDirectSpellChecker(suggestion.getDirectSpellCheckerSettings());
final IndexReader indexReader = searcher.getIndexReader();
TermSuggestion response = new TermSuggestion(
name, suggestion.getSize(), suggestion.getDirectSpellCheckerSettings().sort()
);
List<Token> tokens = queryTerms(suggestion, spare);
for (Token token : tokens) {
// TODO: Extend DirectSpellChecker in 4.1, to get the raw suggested words as BytesRef
SuggestWord[] suggestedWords = directSpellChecker.suggestSimilar(
token.term, suggestion.getShardSize(), indexReader, suggestion.getDirectSpellCheckerSettings().suggestMode()
);
Text key = new Text(new BytesArray(token.term.bytes()));
TermSuggestion.Entry resultEntry = new TermSuggestion.Entry(key, token.startOffset, token.endOffset - token.startOffset);
for (SuggestWord suggestWord : suggestedWords) {
Text word = new Text(suggestWord.string);
resultEntry.addOption(new TermSuggestion.Entry.Option(word, suggestWord.freq, suggestWord.score));
}
response.addTerm(resultEntry);
}
return response;
}
示例5: drawCandidates
import org.apache.lucene.search.spell.SuggestWord; //导入依赖的package包/类
@Override
public CandidateSet drawCandidates(CandidateSet set) throws IOException {
Candidate original = set.originalTerm;
BytesRef term = preFilter(original.term, spare, byteSpare);
final long frequency = original.frequency;
spellchecker.setThresholdFrequency(this.suggestMode == SuggestMode.SUGGEST_ALWAYS ? 0 : thresholdFrequency(frequency, dictSize));
SuggestWord[] suggestSimilar = spellchecker.suggestSimilar(new Term(field, term), numCandidates, reader, this.suggestMode);
List<Candidate> candidates = new ArrayList<>(suggestSimilar.length);
for (int i = 0; i < suggestSimilar.length; i++) {
SuggestWord suggestWord = suggestSimilar[i];
BytesRef candidate = new BytesRef(suggestWord.string);
postFilter(new Candidate(candidate, internalFrequency(candidate), suggestWord.score, score(suggestWord.freq, suggestWord.score, dictSize), false), spare, byteSpare, candidates);
}
set.addCandidates(candidates);
return set;
}
示例6: testComparator
import org.apache.lucene.search.spell.SuggestWord; //导入依赖的package包/类
@Test
public void testComparator() throws Exception {
SpellCheckComponent component = (SpellCheckComponent) h.getCore().getSearchComponent("spellcheck");
assertNotNull(component);
AbstractLuceneSpellChecker spellChecker;
Comparator<SuggestWord> comp;
spellChecker = (AbstractLuceneSpellChecker) component.getSpellChecker("freq");
assertNotNull(spellChecker);
comp = spellChecker.getSpellChecker().getComparator();
assertNotNull(comp);
assertTrue(comp instanceof SuggestWordFrequencyComparator);
spellChecker = (AbstractLuceneSpellChecker) component.getSpellChecker("fqcn");
assertNotNull(spellChecker);
comp = spellChecker.getSpellChecker().getComparator();
assertNotNull(comp);
assertTrue(comp instanceof SampleComparator);
}
示例7: getUsingSpellcheck
import org.apache.lucene.search.spell.SuggestWord; //导入依赖的package包/类
private List<String> getUsingSpellcheck(String searchQuery) throws IOException {
SuggestWord[] suggestions = spellChecker.suggestSimilar(new Term(WORD_FIELD, searchQuery), 2, reader, SuggestMode.SUGGEST_ALWAYS);
List<String> result = new ArrayList<>();
for(SuggestWord suggestion : suggestions) {
result.add(suggestion.string);
}
return result;
}
示例8: suggest
import org.apache.lucene.search.spell.SuggestWord; //导入依赖的package包/类
public SuggestWord[] suggest(String term, int count, String field) throws Exception {
SearcherAndTaxonomy reference = data.getManager().acquire();
try {
return spellChecker.suggestSimilar(new Term(field, term), count, reference.searcher.getIndexReader());
} finally {
data.getManager().release(reference);
}
}
示例9: getSuggestions
import org.apache.lucene.search.spell.SuggestWord; //导入依赖的package包/类
@Override
public SpellingResult getSuggestions(SpellingOptions options)
throws IOException {
LOG.debug("getSuggestions: " + options.tokens);
SpellingResult result = new SpellingResult();
float accuracy = (options.accuracy == Float.MIN_VALUE) ? checker.getAccuracy() : options.accuracy;
for (Token token : options.tokens) {
String tokenText = token.toString();
Term term = new Term(field, tokenText);
int freq = options.reader.docFreq(term);
int count = (options.alternativeTermCount > 0 && freq > 0) ? options.alternativeTermCount: options.count;
SuggestWord[] suggestions = checker.suggestSimilar(term, count,options.reader, options.suggestMode, accuracy);
result.addFrequency(token, freq);
// If considering alternatives to "correctly-spelled" terms, then add the
// original as a viable suggestion.
if (options.alternativeTermCount > 0 && freq > 0) {
boolean foundOriginal = false;
SuggestWord[] suggestionsWithOrig = new SuggestWord[suggestions.length + 1];
for (int i = 0; i < suggestions.length; i++) {
if (suggestions[i].string.equals(tokenText)) {
foundOriginal = true;
break;
}
suggestionsWithOrig[i + 1] = suggestions[i];
}
if (!foundOriginal) {
SuggestWord orig = new SuggestWord();
orig.freq = freq;
orig.string = tokenText;
suggestionsWithOrig[0] = orig;
suggestions = suggestionsWithOrig;
}
}
if(suggestions.length==0 && freq==0) {
List<String> empty = Collections.emptyList();
result.add(token, empty);
} else {
for (SuggestWord suggestion : suggestions) {
result.add(token, suggestion.string, suggestion.freq);
}
}
}
return result;
}
示例10: compare
import org.apache.lucene.search.spell.SuggestWord; //导入依赖的package包/类
@Override
public int compare(SuggestWord suggestWord, SuggestWord suggestWord1) {
return suggestWord.string.compareTo(suggestWord1.string);
}
示例11: getSuggestions
import org.apache.lucene.search.spell.SuggestWord; //导入依赖的package包/类
@Override
public SpellingResult getSuggestions(SpellingOptions options)
throws IOException {
LOG.debug("getSuggestions: " + options.tokens);
SpellingResult result = new SpellingResult();
float accuracy = (options.accuracy == Float.MIN_VALUE) ? checker.getAccuracy() : options.accuracy;
for (Token token : options.tokens) {
String tokenText = token.toString();
Term term = new Term(field, tokenText);
int freq = options.reader.docFreq(term);
int count = (options.alternativeTermCount != null && freq > 0) ? options.alternativeTermCount: options.count;
SuggestWord[] suggestions = checker.suggestSimilar(term, count,options.reader, options.suggestMode, accuracy);
result.addFrequency(token, freq);
// If considering alternatives to "correctly-spelled" terms, then add the
// original as a viable suggestion.
if (options.alternativeTermCount != null && freq > 0) {
boolean foundOriginal = false;
SuggestWord[] suggestionsWithOrig = new SuggestWord[suggestions.length + 1];
for (int i = 0; i < suggestions.length; i++) {
if (suggestions[i].string.equals(tokenText)) {
foundOriginal = true;
break;
}
suggestionsWithOrig[i + 1] = suggestions[i];
}
if (!foundOriginal) {
SuggestWord orig = new SuggestWord();
orig.freq = freq;
orig.string = tokenText;
suggestionsWithOrig[0] = orig;
suggestions = suggestionsWithOrig;
}
}
if(suggestions.length==0 && freq==0) {
List<String> empty = Collections.emptyList();
result.add(token, empty);
} else {
for (SuggestWord suggestion : suggestions) {
result.add(token, suggestion.string, suggestion.freq);
}
}
}
return result;
}