Package org.elasticsearch.index.mapper
Class FieldNamesFieldMapper
java.lang.Object
org.elasticsearch.index.mapper.Mapper
org.elasticsearch.index.mapper.FieldMapper
org.elasticsearch.index.mapper.MetadataFieldMapper
org.elasticsearch.index.mapper.FieldNamesFieldMapper
- All Implemented Interfaces:
java.lang.Cloneable,java.lang.Iterable<Mapper>,ToXContent,ToXContentFragment
public class FieldNamesFieldMapper extends MetadataFieldMapper
A mapper that indexes the field names of a document under
_field_names. This mapper is typically useful in order
to have fast exists and missing queries/filters.
Added in Elasticsearch 1.3.-
Nested Class Summary
Nested Classes Modifier and Type Class Description static classFieldNamesFieldMapper.Defaultsstatic classFieldNamesFieldMapper.FieldNamesFieldTypestatic classFieldNamesFieldMapper.TypeParserNested classes/interfaces inherited from class org.elasticsearch.index.mapper.FieldMapper
FieldMapper.CopyTo, FieldMapper.MultiFieldsNested classes/interfaces inherited from class org.elasticsearch.index.mapper.Mapper
Mapper.BuilderContextNested classes/interfaces inherited from interface org.elasticsearch.common.xcontent.ToXContent
ToXContent.DelegatingMapParams, ToXContent.MapParams, ToXContent.Params -
Field Summary
Fields Modifier and Type Field Description static java.lang.StringCONTENT_TYPEstatic java.lang.StringNAMEFields inherited from class org.elasticsearch.index.mapper.FieldMapper
COERCE_SETTING, copyTo, defaultFieldType, fieldType, IGNORE_MALFORMED_SETTING, indexCreatedVersion, multiFields -
Method Summary
Modifier and Type Method Description protected java.lang.StringcontentType()FieldNamesFieldMapper.FieldNamesFieldTypefieldType()voidparse(ParseContext context)Parse the field value using the providedParseContext.protected voidparseCreateField(ParseContext context, java.util.List<org.apache.lucene.index.IndexableField> fields)Parse the field value and populatefields.voidpostParse(ParseContext context)Called afterFieldMapper.parse(ParseContext)on theRootObjectMapper.voidpreParse(ParseContext context)Called beforeFieldMapper.parse(ParseContext)on theRootObjectMapper.XContentBuildertoXContent(XContentBuilder builder, ToXContent.Params params)Methods inherited from class org.elasticsearch.index.mapper.FieldMapper
clone, copyTo, createFieldNamesField, doMerge, doXContentAnalyzers, doXContentBody, doXContentDocValues, indexOptionToString, iterator, name, termVectorOptionsToString, typeName, updateFieldType
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Field Details
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NAME
public static final java.lang.String NAME- See Also:
- Constant Field Values
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CONTENT_TYPE
public static final java.lang.String CONTENT_TYPE- See Also:
- Constant Field Values
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Method Details
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fieldType
- Overrides:
fieldTypein classFieldMapper
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preParse
Description copied from class:MetadataFieldMapperCalled beforeFieldMapper.parse(ParseContext)on theRootObjectMapper.- Specified by:
preParsein classMetadataFieldMapper
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postParse
Description copied from class:MetadataFieldMapperCalled afterFieldMapper.parse(ParseContext)on theRootObjectMapper.- Overrides:
postParsein classMetadataFieldMapper- Throws:
java.io.IOException
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parse
Description copied from class:FieldMapperParse the field value using the providedParseContext.- Overrides:
parsein classFieldMapper- Throws:
java.io.IOException
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parseCreateField
protected void parseCreateField(ParseContext context, java.util.List<org.apache.lucene.index.IndexableField> fields) throws java.io.IOExceptionDescription copied from class:FieldMapperParse the field value and populatefields. Implementations of this method should ensure that on failing to parse parser.currentToken() must be the current failing token- Specified by:
parseCreateFieldin classFieldMapper- Throws:
java.io.IOException
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contentType
protected java.lang.String contentType()- Specified by:
contentTypein classFieldMapper
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toXContent
public XContentBuilder toXContent(XContentBuilder builder, ToXContent.Params params) throws java.io.IOException- Specified by:
toXContentin interfaceToXContent- Overrides:
toXContentin classFieldMapper- Throws:
java.io.IOException
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