org.apache.lucene.search

Class TopTermsRewrite<Q extends Query>

java.lang.Object

org.apache.lucene.search.MultiTermQuery.RewriteMethod

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

Direct Known Subclasses:

MultiTermQuery.TopTermsBoostOnlyBooleanQueryRewrite, MultiTermQuery.TopTermsScoringBooleanQueryRewrite

public abstract class TopTermsRewrite<Q extends Query>
extends MultiTermQuery.RewriteMethod

Base rewrite method for collecting only the top terms via a priority queue.

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
int	getSize() return the maximum priority queue size
int	hashCode()
Q	rewrite(IndexReader reader, MultiTermQuery query)

Methods inherited from class java.lang.Object

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

Constructor Detail

TopTermsRewrite

public TopTermsRewrite(int size)

Create a TopTermsBooleanQueryRewrite for at most size terms.

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

Method Detail

getSize

public int getSize()

return the maximum priority queue size

rewrite

public final Q rewrite(IndexReader reader,
                       MultiTermQuery query)
                throws IOException

Specified by:

rewrite in class MultiTermQuery.RewriteMethod

Throws:

IOException

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object