org.elasticsearch.index.query

Class ExistsQueryBuilder

java.lang.Object

org.elasticsearch.action.support.ToXContentToBytes

org.elasticsearch.index.query.AbstractQueryBuilder<ExistsQueryBuilder>

org.elasticsearch.index.query.ExistsQueryBuilder

All Implemented Interfaces:

NamedWriteable<ExistsQueryBuilder>, StreamableReader<ExistsQueryBuilder>, Writeable<ExistsQueryBuilder>, ToXContent, QueryBuilder<ExistsQueryBuilder>

public class ExistsQueryBuilder
extends AbstractQueryBuilder<ExistsQueryBuilder>

Constructs a query that only match on documents that the field has a value in them.

Nested Class Summary

Nested classes/interfaces inherited from interface org.elasticsearch.common.io.stream.Writeable

Writeable.Reader<R>

Nested classes/interfaces inherited from interface org.elasticsearch.common.xcontent.ToXContent

ToXContent.DelegatingMapParams, ToXContent.MapParams, ToXContent.Params

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	NAME

Fields inherited from class org.elasticsearch.index.query.AbstractQueryBuilder

boost, BOOST_FIELD, DEFAULT_BOOST, NAME_FIELD, queryName

Fields inherited from interface org.elasticsearch.common.xcontent.ToXContent

EMPTY_PARAMS

Constructor Summary

Constructors

Constructor and Description
ExistsQueryBuilder(java.lang.String fieldName)

Method Summary

Modifier and Type	Method and Description
protected boolean	doEquals(ExistsQueryBuilder other) Indicates whether some other QueryBuilder object of the same type is "equal to" this one.
protected int	doHashCode()
protected ExistsQueryBuilder	doReadFrom(StreamInput in)
protected org.apache.lucene.search.Query	doToQuery(QueryShardContext context)
protected void	doWriteTo(StreamOutput out)
protected void	doXContent(XContentBuilder builder, ToXContent.Params params)
java.lang.String	fieldName()
java.lang.String	getWriteableName() Returns the name of the writeable object
static org.apache.lucene.search.Query	newFilter(QueryShardContext context, java.lang.String fieldPattern)

Methods inherited from class org.elasticsearch.index.query.AbstractQueryBuilder

addValidationError, boost, boost, convertToBytesRefIfString, convertToStringIfBytesRef, doRewrite, equals, getName, hashCode, printBoostAndQueryName, queryName, queryName, readFrom, readQueries, rewrite, toFilter, toQueries, toQuery, toXContent, writeQueries, writeTo

Methods inherited from class org.elasticsearch.action.support.ToXContentToBytes

buildAsBytes, buildAsBytes, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.elasticsearch.index.query.QueryBuilder

rewriteQuery

Field Detail

NAME

public static final java.lang.String NAME

See Also:

Constant Field Values

Constructor Detail

ExistsQueryBuilder

public ExistsQueryBuilder(java.lang.String fieldName)

Method Detail

fieldName

public java.lang.String fieldName()

Returns:

the field name that has to exist for this query to match

doXContent

protected void doXContent(XContentBuilder builder,
                          ToXContent.Params params)
                   throws java.io.IOException

Specified by:

doXContent in class AbstractQueryBuilder<ExistsQueryBuilder>

Throws:

java.io.IOException

doToQuery

protected org.apache.lucene.search.Query doToQuery(QueryShardContext context)
                                            throws java.io.IOException

Specified by:

doToQuery in class AbstractQueryBuilder<ExistsQueryBuilder>

Throws:

java.io.IOException

newFilter

public static org.apache.lucene.search.Query newFilter(QueryShardContext context,
                                                       java.lang.String fieldPattern)

doHashCode

protected int doHashCode()

Specified by:

doHashCode in class AbstractQueryBuilder<ExistsQueryBuilder>

doEquals

protected boolean doEquals(ExistsQueryBuilder other)

Description copied from class: AbstractQueryBuilder

Indicates whether some other QueryBuilder object of the same type is "equal to" this one.

Specified by:

doEquals in class AbstractQueryBuilder<ExistsQueryBuilder>

doReadFrom

protected ExistsQueryBuilder doReadFrom(StreamInput in)
                                 throws java.io.IOException

Specified by:

doReadFrom in class AbstractQueryBuilder<ExistsQueryBuilder>

Throws:

java.io.IOException

doWriteTo

protected void doWriteTo(StreamOutput out)
                  throws java.io.IOException

Specified by:

doWriteTo in class AbstractQueryBuilder<ExistsQueryBuilder>

Throws:

java.io.IOException

getWriteableName

public java.lang.String getWriteableName()

Description copied from interface: NamedWriteable

Returns the name of the writeable object