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Exposed the MoreLikeThis "minDocFreq" property for use in MoreLikeThisQuery.java and in XML queries 

git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@545333 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Mark Harwood 2007-06-07 22:13:37 +00:00
parent 5655c72ecf
commit 1f1528e3ca
3 changed files with 21 additions and 1 deletions
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15
contrib/queries/src/java/org/apache/lucene/search/similar/MoreLikeThisQuery.java
View File

@ -31,6 +31,7 @@ public class MoreLikeThisQuery extends Query
int minTermFrequency=1; int minTermFrequency=1;
int maxQueryTerms=5; int maxQueryTerms=5;
Set stopWords=null; Set stopWords=null;
int minDocFreq=-1;
/** /**
@ -50,6 +51,10 @@ public class MoreLikeThisQuery extends Query
mlt.setFieldNames(moreLikeFields); mlt.setFieldNames(moreLikeFields);
mlt.setAnalyzer(analyzer); mlt.setAnalyzer(analyzer);
mlt.setMinTermFreq(minTermFrequency); mlt.setMinTermFreq(minTermFrequency);
if(minDocFreq>=0)
{
mlt.setMinDocFreq(minDocFreq);
}
mlt.setMaxQueryTerms(maxQueryTerms); mlt.setMaxQueryTerms(maxQueryTerms);
mlt.setStopWords(stopWords); mlt.setStopWords(stopWords);
BooleanQuery bq= (BooleanQuery) mlt.like(new ByteArrayInputStream(likeText.getBytes())); BooleanQuery bq= (BooleanQuery) mlt.like(new ByteArrayInputStream(likeText.getBytes()));
@ -130,4 +135,14 @@ public class MoreLikeThisQuery extends Query
{ {
this.stopWords = stopWords; this.stopWords = stopWords;
} }
public int getMinDocFreq()
{
return minDocFreq;
}
public void setMinDocFreq(int minDocFreq)
{
this.minDocFreq = minDocFreq;
}
} }

5
contrib/xml-query-parser/src/java/org/apache/lucene/xmlparser/builders/LikeThisQueryBuilder.java
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@ -100,6 +100,11 @@ public class LikeThisQueryBuilder implements QueryBuilder {
mlt.setMinTermFrequency(DOMUtils.getAttribute(e,"minTermFrequency",defaultMinTermFrequency)); mlt.setMinTermFrequency(DOMUtils.getAttribute(e,"minTermFrequency",defaultMinTermFrequency));
mlt.setPercentTermsToMatch(DOMUtils.getAttribute(e,"percentTermsToMatch",defaultPercentTermsToMatch)/100); mlt.setPercentTermsToMatch(DOMUtils.getAttribute(e,"percentTermsToMatch",defaultPercentTermsToMatch)/100);
mlt.setStopWords(stopWordsSet); mlt.setStopWords(stopWordsSet);
int minDocFreq=DOMUtils.getAttribute(e,"minDocFreq",-1);
if(minDocFreq>=0)
{
mlt.setMinDocFreq(minDocFreq);
}
mlt.setBoost(DOMUtils.getAttribute(e,"boost",1.0f)); mlt.setBoost(DOMUtils.getAttribute(e,"boost",1.0f));

2
contrib/xml-query-parser/src/test/org/apache/lucene/xmlparser/LikeThisQuery.xml
View File

@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?> <?xml version="1.0" encoding="UTF-8"?>
<LikeThisQuery percentTermsToMatch="5" stopWords="Reuter"> <LikeThisQuery percentTermsToMatch="5" stopWords="Reuter" minDocFreq="2">
IRAQI TROOPS REPORTED PUSHING BACK IRANIANS Iraq said today its troops were pushing Iranian forces out of IRAQI TROOPS REPORTED PUSHING BACK IRANIANS Iraq said today its troops were pushing Iranian forces out of
positions they had initially occupied when they launched a new offensive near the southern port of positions they had initially occupied when they launched a new offensive near the southern port of
Basra early yesterday. A High Command communique said Iraqi troops had won a significant victory Basra early yesterday. A High Command communique said Iraqi troops had won a significant victory