org.modeshape.jcr.index.lucene.query

Class FieldExistsQuery

java.lang.Object

org.apache.lucene.search.Query

org.modeshape.jcr.index.lucene.query.ConstantScoreWeightQuery

org.modeshape.jcr.index.lucene.query.FieldExistsQuery

@Immutable
public class FieldExistsQuery
extends ConstantScoreWeightQuery

Lucene query which returns the documents that have any value for a given field.

Since:

4.5

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	FieldExistsQuery(String field)

Method Summary

Modifier and Type	Method and Description
protected boolean	areValid(org.apache.lucene.index.IndexableField... fields) Checks if the given fields are valid for the document matched by a particular query or not.
org.apache.lucene.search.Query	clone()
String	toString(String field)

Methods inherited from class org.modeshape.jcr.index.lucene.query.ConstantScoreWeightQuery

createWeight, field

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

equals, hashCode, rewrite, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

FieldExistsQuery

protected FieldExistsQuery(String field)

Method Detail

toString

public String toString(String field)

Specified by:

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

areValid

protected boolean areValid(org.apache.lucene.index.IndexableField... fields)

Description copied from class: ConstantScoreWeightQuery

Checks if the given fields are valid for the document matched by a particular query or not.

Specified by:

areValid in class ConstantScoreWeightQuery

Parameters:

fields - a IndexableField array instance which was loaded by the scorer for the current field; never null and never empty.

Returns:

true if the array of fields is valid and document should be returned by the query or false if not.

clone

public org.apache.lucene.search.Query clone()

Overrides:

clone in class Object