Package org.apache.jackrabbit.core.query.lucene

Class PredicateDerefQuery

java.lang.Object

org.apache.lucene.search.Query

org.apache.jackrabbit.core.query.lucene.PredicateDerefQuery

All Implemented Interfaces:

Serializable, Cloneable

public class PredicateDerefQuery
extends Query

Implements a Lucene Query which returns the nodes which have a reference property which matches the nodes of the subquery.

See Also:

Serialized Form

Method Summary

Modifier and Type	Method	Description
Weight	createWeight(Searcher searcher)	Creates a Weight instance for this query.
void	extractTerms(Set<Term> terms)
Query	rewrite(IndexReader reader)
String	toString(String field)	Returns PredicateDerefQuery(subQuery, referenceNodeProperty, nameTest)

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

clone, combine, equals, getBoost, getSimilarity, hashCode, mergeBooleanQueries, setBoost, toString, weight

Methods inherited from class java.lang.Object

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

Method Detail

createWeight

public Weight createWeight(Searcher searcher)

Creates a Weight instance for this query.

Overrides:

createWeight in class Query

Parameters:

searcher - the Searcher instance to use.

Returns:

a DerefWeight.

toString

public String toString(String field)

Returns PredicateDerefQuery(subQuery, referenceNodeProperty, nameTest)

Specified by:

toString in class Query

Parameters:

field - the name of a field.

Returns:

'DerefQuery'.

extractTerms

public void extractTerms(Set<Term> terms)

Overrides:

extractTerms in class Query

rewrite

public Query rewrite(IndexReader reader)
              throws IOException

Overrides:

rewrite in class Query

Throws:

IOException