com.atlassian.greenhopper.service.lucene
Class AbstractBitsetQuery

java.lang.Object
  org.apache.lucene.search.Query
      com.atlassian.greenhopper.service.lucene.AbstractBitsetQuery

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

Direct Known Subclasses:

LeftJoinQuery

public abstract class AbstractBitsetQuery
extends org.apache.lucene.search.Query

nicked (and modified) from http://issues.apache.org/eyebrowse/ReadMsg?listName=lucene-dev@jakarta.apache.org&msgNo=6807 TODO: just use FilteredQuery instead

See Also:

Serialized Form

Field Summary

protected float

score

Constructor Summary

AbstractBitsetQuery()

Method Summary

protected abstract java.util.BitSet	computeBitset(org.apache.lucene.index.IndexReader reader)
protected abstract java.lang.String	getFilterExplanation()
org.apache.lucene.search.Similarity	getSimilarity(org.apache.lucene.search.Searcher searcher) Expert:
org.apache.lucene.search.Query	rewrite(org.apache.lucene.index.IndexReader reader) Expert: Apply the Filter and use the result in another Query which extends BooleanQuery to have ConjunctionScorer used when it is Query is required.

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

clone, combine, createWeight, equals, extractTerms, getBoost, hashCode, mergeBooleanQueries, setBoost, toString, toString, weight

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

score

protected float score

Constructor Detail

AbstractBitsetQuery

public AbstractBitsetQuery()

Method Detail

getSimilarity

public org.apache.lucene.search.Similarity getSimilarity(org.apache.lucene.search.Searcher searcher)

Expert:

Overrides:

getSimilarity in class org.apache.lucene.search.Query

Returns:

null. No similarity is used for scoring a FilteringQuery.

computeBitset

protected abstract java.util.BitSet computeBitset(org.apache.lucene.index.IndexReader reader)
                                           throws java.io.IOException

Throws:

java.io.IOException

getFilterExplanation

protected abstract java.lang.String getFilterExplanation()

rewrite

public org.apache.lucene.search.Query rewrite(org.apache.lucene.index.IndexReader reader)
                                       throws java.io.IOException

Expert: Apply the Filter and use the result in another Query which extends BooleanQuery to have ConjunctionScorer used when it is Query is required.

Overrides:

rewrite in class org.apache.lucene.search.Query

Throws:

java.io.IOException