org.sindice.siren.search.node

Class TwigQuery.EmptyRootQuery

java.lang.Object

org.apache.lucene.search.Query

org.sindice.siren.search.node.NodeQuery

org.sindice.siren.search.node.TwigQuery.EmptyRootQuery

All Implemented Interfaces:

Cloneable

Enclosing class:

TwigQuery

public static class TwigQuery.EmptyRootQuery
extends NodeQuery

An empty root query is used to create twig query in which the root query is not specified.

Act as an interface for the constraint stack (i.e., ancestor pointer).

Field Summary

Fields inherited from class org.sindice.siren.search.node.NodeQuery

ancestor, levelConstraint, lowerBound, upperBound

Constructor Summary

Constructors

Constructor and Description
TwigQuery.EmptyRootQuery()

Method Summary

Methods

Modifier and Type	Method and Description
org.apache.lucene.search.Weight	createWeight(org.apache.lucene.search.IndexSearcher searcher)
boolean	equals(Object o)
int	hashCode()
String	toString(String field)

Methods inherited from class org.sindice.siren.search.node.NodeQuery

getDocsNodesAndPositionsEnum, getLevelConstraint, getNodeConstraint, setAncestorPointer, setLevelConstraint, setNodeConstraint, setNodeConstraint

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

clone, extractTerms, getBoost, rewrite, setBoost, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

TwigQuery.EmptyRootQuery

public TwigQuery.EmptyRootQuery()

Method Detail

createWeight

public org.apache.lucene.search.Weight createWeight(org.apache.lucene.search.IndexSearcher searcher)
                                             throws IOException

Overrides:

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

Throws:

IOException

equals

public boolean equals(Object o)

Overrides:

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

hashCode

public int hashCode()

Overrides:

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

toString

public String toString(String field)

Specified by:

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