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LUCENE-4684: Added jdoc and made fields private again. 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1433932 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Martijn van Groningen 2013-01-16 13:47:56 +00:00
parent 800d2f322b
commit ffdae0747f
1 changed files with 28 additions and 12 deletions
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40
lucene/suggest/src/java/org/apache/lucene/search/spell/DirectSpellChecker.java
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@ -65,28 +65,28 @@ public class DirectSpellChecker {
public static final StringDistance INTERNAL_LEVENSHTEIN = new LuceneLevenshteinDistance();
/** maximum edit distance for candidate terms */
protected int maxEdits = LevenshteinAutomata.MAXIMUM_SUPPORTED_DISTANCE;
public int maxEdits = LevenshteinAutomata.MAXIMUM_SUPPORTED_DISTANCE;
/** minimum prefix for candidate terms */
protected int minPrefix = 1;
public int minPrefix = 1;
/** maximum number of top-N inspections per suggestion */
protected int maxInspections = 5;
public int maxInspections = 5;
/** minimum accuracy for a term to match */
protected float accuracy = SpellChecker.DEFAULT_ACCURACY;
public float accuracy = SpellChecker.DEFAULT_ACCURACY;
/** value in [0..1] (or absolute number >=1) representing the minimum
* number of documents (of the total) where a term should appear. */
protected float thresholdFrequency = 0f;
public float thresholdFrequency = 0f;
/** minimum length of a query word to return suggestions */
protected int minQueryLength = 4;
public int minQueryLength = 4;
/** value in [0..1] (or absolute number >=1) representing the maximum
* number of documents (of the total) a query term can appear in to
* be corrected. */
protected float maxQueryFrequency = 0.01f;
public float maxQueryFrequency = 0.01f;
/** true if the spellchecker should lowercase terms */
protected boolean lowerCaseTerms = true;
public boolean lowerCaseTerms = true;
/** the comparator to use */
protected Comparator<SuggestWord> comparator = SuggestWordQueue.DEFAULT_COMPARATOR;
public Comparator<SuggestWord> comparator = SuggestWordQueue.DEFAULT_COMPARATOR;
/** the string distance to use */
protected StringDistance distance = INTERNAL_LEVENSHTEIN;
public StringDistance distance = INTERNAL_LEVENSHTEIN;
/** Creates a DirectSpellChecker with default configuration values */
public DirectSpellChecker() {}
@ -385,8 +385,21 @@ public class DirectSpellChecker {
return suggestions;
}
protected Collection<ScoreTerm> suggestSimilar(Term term, int numSug,
IndexReader ir, int docfreq, int editDistance, float accuracy, final CharsRef spare) throws IOException {
/**
* Provide spelling corrections based on several parameters.
*
* @param term The term to suggest spelling corrections for
* @param numSug The maximum number of spelling corrections
* @param ir The index reader to fetch the candidate spelling corrections from
* @param docfreq The minimum document frequency a potential suggestion need to have in order to be included
* @param editDistance The maximum edit distance candidates are allowed to have
* @param accuracy The minimum accuracy a suggested spelling correction needs to have in order to be included
* @param spare a chars scratch
* @return a collection of spelling corrections sorted by <code>ScoreTerm</code>'s natural order.
* @throws IOException If I/O related errors occur
*/
protected Collection<ScoreTerm> suggestSimilar(Term term, int numSug, IndexReader ir, int docfreq, int editDistance,
float accuracy, final CharsRef spare) throws IOException {
AttributeSource atts = new AttributeSource();
MaxNonCompetitiveBoostAttribute maxBoostAtt =
@ -450,6 +463,9 @@ public class DirectSpellChecker {
return stQueue;
}
/**
* Holds a spelling correction for internal usage inside {@link DirectSpellChecker}.
*/
protected static class ScoreTerm implements Comparable<ScoreTerm> {
public BytesRef term;
public float boost;