org.apache.lucene.search

Class MultiTermQuery.TopTermsBoostOnlyBooleanQueryRewrite

java.lang.Object

org.apache.lucene.search.MultiTermQuery.RewriteMethod

org.apache.lucene.search.TopTermsRewrite<BooleanQuery>

org.apache.lucene.search.MultiTermQuery.TopTermsBoostOnlyBooleanQueryRewrite

Enclosing class:

MultiTermQuery

public static final class MultiTermQuery.TopTermsBoostOnlyBooleanQueryRewrite
extends TopTermsRewrite<BooleanQuery>

A rewrite method that first translates each term into BooleanClause.Occur.SHOULD clause in a BooleanQuery, but the scores are only computed as the boost.

This rewrite method only uses the top scoring terms so it will not overflow the boolean max clause count.

See Also:

MultiTermQuery.setRewriteMethod(org.apache.lucene.search.MultiTermQuery.RewriteMethod)

Constructor Summary

Constructors

Constructor and Description
TopTermsBoostOnlyBooleanQueryRewrite(int size) Create a TopTermsBoostOnlyBooleanQueryRewrite for at most size terms.

Method Summary

Methods inherited from class org.apache.lucene.search.TopTermsRewrite

equals, getSize, hashCode, rewrite

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TopTermsBoostOnlyBooleanQueryRewrite

public TopTermsBoostOnlyBooleanQueryRewrite(int size)

Create a TopTermsBoostOnlyBooleanQueryRewrite for at most size terms.

NOTE: if BooleanQuery.getMaxClauseCount() is smaller than size, then it will be used instead.