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>
,org.elasticsearch.common.xcontent.ToXContent
,org.elasticsearch.common.xcontent.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 class
FieldNamesFieldMapper.Defaults
static class
FieldNamesFieldMapper.FieldNamesFieldType
static class
FieldNamesFieldMapper.TypeParser
Nested classes/interfaces inherited from class org.elasticsearch.index.mapper.FieldMapper
FieldMapper.CopyTo, FieldMapper.MultiFields
Nested classes/interfaces inherited from class org.elasticsearch.index.mapper.Mapper
Mapper.BuilderContext
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Field Summary
Fields Modifier and Type Field Description static java.lang.String
CONTENT_TYPE
static java.lang.String
NAME
Fields inherited from class org.elasticsearch.index.mapper.FieldMapper
COERCE_SETTING, copyTo, defaultFieldType, fieldType, IGNORE_MALFORMED_SETTING, indexCreatedVersion, multiFields
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Method Summary
Modifier and Type Method Description protected java.lang.String
contentType()
FieldNamesFieldMapper.FieldNamesFieldType
fieldType()
void
parse(ParseContext context)
Parse the field value using the providedParseContext
.protected void
parseCreateField(ParseContext context, java.util.List<org.apache.lucene.index.IndexableField> fields)
Parse the field value and populatefields
.void
postParse(ParseContext context)
Called afterFieldMapper.parse(ParseContext)
on theRootObjectMapper
.void
preParse(ParseContext context)
Called beforeFieldMapper.parse(ParseContext)
on theRootObjectMapper
.org.elasticsearch.common.xcontent.XContentBuilder
toXContent(org.elasticsearch.common.xcontent.XContentBuilder builder, org.elasticsearch.common.xcontent.ToXContent.Params params)
Methods inherited from class org.elasticsearch.index.mapper.FieldMapper
clone, copyTo, createFieldNamesField, doMerge, doXContentAnalyzers, doXContentBody, doXContentDocValues, indexOptionToString, iterator, name, parsesArrayValue, termVectorOptionsToString, typeName, updateFieldType
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Field Details
-
NAME
public static final java.lang.String NAME- See Also:
- Constant Field Values
-
CONTENT_TYPE
public static final java.lang.String CONTENT_TYPE- See Also:
- Constant Field Values
-
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Method Details
-
fieldType
- Overrides:
fieldType
in classFieldMapper
-
preParse
Description copied from class:MetadataFieldMapper
Called beforeFieldMapper.parse(ParseContext)
on theRootObjectMapper
.- Specified by:
preParse
in classMetadataFieldMapper
-
postParse
Description copied from class:MetadataFieldMapper
Called afterFieldMapper.parse(ParseContext)
on theRootObjectMapper
.- Overrides:
postParse
in classMetadataFieldMapper
- Throws:
java.io.IOException
-
parse
Description copied from class:FieldMapper
Parse the field value using the providedParseContext
.- Overrides:
parse
in classFieldMapper
- Throws:
java.io.IOException
-
parseCreateField
protected void parseCreateField(ParseContext context, java.util.List<org.apache.lucene.index.IndexableField> fields) throws java.io.IOExceptionDescription copied from class:FieldMapper
Parse 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:
parseCreateField
in classFieldMapper
- Throws:
java.io.IOException
-
contentType
protected java.lang.String contentType()- Specified by:
contentType
in classFieldMapper
-
toXContent
public org.elasticsearch.common.xcontent.XContentBuilder toXContent(org.elasticsearch.common.xcontent.XContentBuilder builder, org.elasticsearch.common.xcontent.ToXContent.Params params) throws java.io.IOException- Specified by:
toXContent
in interfaceorg.elasticsearch.common.xcontent.ToXContent
- Overrides:
toXContent
in classFieldMapper
- Throws:
java.io.IOException
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