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// Copyright 2012-present Oliver Eilhard. All rights reserved.
// Use of this source code is governed by a MIT-license.
// See http://olivere.mit-license.org/license.txt for details.
package elastic
// InnerHit implements a simple join for parent/child, nested, and even
// top-level documents in Elasticsearch.
// It is an experimental feature for Elasticsearch versions 1.5 (or greater).
// See http://www.elastic.co/guide/en/elasticsearch/reference/5.2/search-request-inner-hits.html
// for documentation.
//
// See the tests for SearchSource, HasChildFilter, HasChildQuery,
// HasParentFilter, HasParentQuery, NestedFilter, and NestedQuery
// for usage examples.
type InnerHit struct {
source *SearchSource
path string
typ string
name string
}
// NewInnerHit creates a new InnerHit.
func NewInnerHit() *InnerHit {
return &InnerHit{source: NewSearchSource()}
}
func (hit *InnerHit) Path(path string) *InnerHit {
hit.path = path
return hit
}
func (hit *InnerHit) Type(typ string) *InnerHit {
hit.typ = typ
return hit
}
func (hit *InnerHit) Query(query Query) *InnerHit {
hit.source.Query(query)
return hit
}
func (hit *InnerHit) From(from int) *InnerHit {
hit.source.From(from)
return hit
}
func (hit *InnerHit) Size(size int) *InnerHit {
hit.source.Size(size)
return hit
}
func (hit *InnerHit) TrackScores(trackScores bool) *InnerHit {
hit.source.TrackScores(trackScores)
return hit
}
func (hit *InnerHit) Explain(explain bool) *InnerHit {
hit.source.Explain(explain)
return hit
}
func (hit *InnerHit) Version(version bool) *InnerHit {
hit.source.Version(version)
return hit
}
func (hit *InnerHit) StoredField(storedFieldName string) *InnerHit {
hit.source.StoredField(storedFieldName)
return hit
}
func (hit *InnerHit) StoredFields(storedFieldNames ...string) *InnerHit {
hit.source.StoredFields(storedFieldNames...)
return hit
}
func (hit *InnerHit) NoStoredFields() *InnerHit {
hit.source.NoStoredFields()
return hit
}
func (hit *InnerHit) FetchSource(fetchSource bool) *InnerHit {
hit.source.FetchSource(fetchSource)
return hit
}
func (hit *InnerHit) FetchSourceContext(fetchSourceContext *FetchSourceContext) *InnerHit {
hit.source.FetchSourceContext(fetchSourceContext)
return hit
}
func (hit *InnerHit) DocvalueFields(docvalueFields ...string) *InnerHit {
hit.source.DocvalueFields(docvalueFields...)
return hit
}
func (hit *InnerHit) DocvalueField(docvalueField string) *InnerHit {
hit.source.DocvalueField(docvalueField)
return hit
}
func (hit *InnerHit) ScriptFields(scriptFields ...*ScriptField) *InnerHit {
hit.source.ScriptFields(scriptFields...)
return hit
}
func (hit *InnerHit) ScriptField(scriptField *ScriptField) *InnerHit {
hit.source.ScriptField(scriptField)
return hit
}
func (hit *InnerHit) Sort(field string, ascending bool) *InnerHit {
hit.source.Sort(field, ascending)
return hit
}
func (hit *InnerHit) SortWithInfo(info SortInfo) *InnerHit {
hit.source.SortWithInfo(info)
return hit
}
func (hit *InnerHit) SortBy(sorter ...Sorter) *InnerHit {
hit.source.SortBy(sorter...)
return hit
}
func (hit *InnerHit) Highlight(highlight *Highlight) *InnerHit {
hit.source.Highlight(highlight)
return hit
}
func (hit *InnerHit) Highlighter() *Highlight {
return hit.source.Highlighter()
}
func (hit *InnerHit) Name(name string) *InnerHit {
hit.name = name
return hit
}
func (hit *InnerHit) Source() (interface{}, error) {
src, err := hit.source.Source()
if err != nil {
return nil, err
}
source, ok := src.(map[string]interface{})
if !ok {
return nil, nil
}
// Notice that hit.typ and hit.path are not exported here.
// They are only used with SearchSource and serialized there.
if hit.name != "" {
source["name"] = hit.name
}
return source, nil
}
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