Package org.elasticsearch.search.fetch.subphase

Class FieldFetcher

java.lang.Object

org.elasticsearch.search.fetch.subphase.FieldFetcher

public class FieldFetcher
extends java.lang.Object

A helper class to FetchFieldsPhase that's initialized with a list of field patterns to fetch. Then given a specific document, it can retrieve the corresponding fields from the document's source.

Method Summary

Modifier and Type	Method	Description
static FieldFetcher	create(MapperService mapperService, SearchLookup searchLookup, java.util.Collection<FieldAndFormat> fieldAndFormats)
java.util.Map<java.lang.String,DocumentField>	fetch(SourceLookup sourceLookup, java.util.Set<java.lang.String> ignoredFields)
void	setNextReader(org.apache.lucene.index.LeafReaderContext readerContext)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

create

public static FieldFetcher create(MapperService mapperService, SearchLookup searchLookup, java.util.Collection<FieldAndFormat> fieldAndFormats)

fetch

public java.util.Map<java.lang.String,DocumentField> fetch(SourceLookup sourceLookup, java.util.Set<java.lang.String> ignoredFields) throws java.io.IOException

Throws:

java.io.IOException

setNextReader

public void setNextReader(org.apache.lucene.index.LeafReaderContext readerContext)