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add public methods to query the minimum similarity and the prefix length 

git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@150513 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Daniel Naber 2004-09-15 19:44:01 +00:00
parent 74cadb2dcf
commit 45ac0c2628
1 changed files with 19 additions and 2 deletions
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21
src/java/org/apache/lucene/search/FuzzyQuery.java
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@ -40,8 +40,8 @@ public final class FuzzyQuery extends MultiTermQuery {
* between the query term and the matching terms. For example, for a
* <code>minimumSimilarity</code> of <code>0.5</code> a term of the same length
* as the query term is considered similar to the query term if the edit distance
* between both terms is less than <code>length(term)*0.5</code>.
* @param prefixLength length of common prefix.
* between both terms is less than <code>length(term)*0.5</code>
* @param prefixLength length of common (non-fuzzy) prefix
* @throws IllegalArgumentException if minimumSimilarity is &gt; 1 or &lt; 0
* or if prefixLength &lt; 0 or &gt; <code>term.text().length()</code>.
*/
@ -74,7 +74,24 @@ public final class FuzzyQuery extends MultiTermQuery {
public FuzzyQuery(Term term) {
this(term, defaultMinSimilarity, 0);
}
/**
* Returns the minimum similarity that is required for this query to match.
* @return float value between 0.0 and 1.0
*/
public float getMinSimilarity() {
return minimumSimilarity;
}
/**
* Returns the prefix length, i.e. the number of characters at the start
* of a term that must be identical (not fuzzy) to the query term if the query
* is to match that term.
*/
public int getPrefixLength() {
return prefixLength;
}
protected FilteredTermEnum getEnum(IndexReader reader) throws IOException {
return new FuzzyTermEnum(reader, getTerm(), minimumSimilarity, prefixLength);
}