public class SeqNoFieldMapper extends MetadataFieldMapper
_seq_no
field.
We expect to use the seq# for sorting, during collision checking and for
doing range searches. Therefore the _seq_no
field is stored both
as a numeric doc value and as numeric indexed field.
This mapper also manages the primary term field, which has no ES named
equivalent. The primary term is only used during collision after receiving
identical seq# values for two document copies. The primary term is stored as
a doc value field without being indexed, since it is only intended for use
as a key-value lookup.Modifier and Type | Class and Description |
---|---|
static class |
SeqNoFieldMapper.Builder |
static class |
SeqNoFieldMapper.SeqNoDefaults |
static class |
SeqNoFieldMapper.SequenceIDFields
A sequence ID, which is made up of a sequence number (both the searchable
and doc_value version of the field) and the primary term.
|
static class |
SeqNoFieldMapper.TypeParser |
FieldMapper.CopyTo, FieldMapper.MultiFields
Mapper.BuilderContext
ToXContent.DelegatingMapParams, ToXContent.MapParams, ToXContent.Params
Modifier and Type | Field and Description |
---|---|
static java.lang.String |
CONTENT_TYPE |
static java.lang.String |
NAME |
static java.lang.String |
PRIMARY_TERM_NAME |
COERCE_SETTING, copyTo, defaultFieldType, fieldType, IGNORE_MALFORMED_SETTING, indexCreatedVersion, multiFields
EMPTY_PARAMS
Constructor and Description |
---|
SeqNoFieldMapper(Settings indexSettings) |
Modifier and Type | Method and Description |
---|---|
protected java.lang.String |
contentType() |
protected void |
doMerge(Mapper mergeWith,
boolean updateAllTypes)
Merge changes coming from
mergeWith in place. |
Mapper |
parse(ParseContext context)
Parse using the provided
ParseContext and return a mapping
update if dynamic mappings modified the mappings, or null if
mappings were not modified. |
protected void |
parseCreateField(ParseContext context,
java.util.List<org.apache.lucene.index.IndexableField> fields)
Parse the field value and populate
fields . |
void |
postParse(ParseContext context)
Called after
FieldMapper.parse(ParseContext) on the RootObjectMapper . |
void |
preParse(ParseContext context)
Called before
FieldMapper.parse(ParseContext) on the RootObjectMapper . |
XContentBuilder |
toXContent(XContentBuilder builder,
ToXContent.Params params) |
merge
clone, copyTo, doXContentAnalyzers, doXContentBody, doXContentDocValues, fieldType, indexOptionToString, indexTokenizeOption, iterator, name, termVectorOptionsToString, updateFieldType
simpleName
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
isFragment
public static final java.lang.String NAME
public static final java.lang.String CONTENT_TYPE
public static final java.lang.String PRIMARY_TERM_NAME
public SeqNoFieldMapper(Settings indexSettings)
public void preParse(ParseContext context) throws java.io.IOException
MetadataFieldMapper
FieldMapper.parse(ParseContext)
on the RootObjectMapper
.preParse
in class MetadataFieldMapper
java.io.IOException
protected void parseCreateField(ParseContext context, java.util.List<org.apache.lucene.index.IndexableField> fields) throws java.io.IOException
FieldMapper
fields
.parseCreateField
in class FieldMapper
java.io.IOException
public Mapper parse(ParseContext context) throws java.io.IOException
FieldMapper
ParseContext
and return a mapping
update if dynamic mappings modified the mappings, or null
if
mappings were not modified.parse
in class FieldMapper
java.io.IOException
public void postParse(ParseContext context) throws java.io.IOException
MetadataFieldMapper
FieldMapper.parse(ParseContext)
on the RootObjectMapper
.postParse
in class MetadataFieldMapper
java.io.IOException
protected java.lang.String contentType()
contentType
in class FieldMapper
public XContentBuilder toXContent(XContentBuilder builder, ToXContent.Params params) throws java.io.IOException
toXContent
in interface ToXContent
toXContent
in class FieldMapper
java.io.IOException
protected void doMerge(Mapper mergeWith, boolean updateAllTypes)
FieldMapper
mergeWith
in place.doMerge
in class FieldMapper
updateAllTypes
- TODO