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// Copyright 2012-2015 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
// A filter facet (not to be confused with a facet filter) allows you
// to return a count of the hits matching the filter.
// The filter itself can be expressed using the Query DSL.
// See: http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/search-facets-filter-facet.html
type FilterFacet struct {
facetFilter Filter
global *bool
nested string
mode string
filter Filter
}
func NewFilterFacet() FilterFacet {
return FilterFacet{}
}
func (f FilterFacet) FacetFilter(filter Facet) FilterFacet {
f.facetFilter = filter
return f
}
func (f FilterFacet) Global(global bool) FilterFacet {
f.global = &global
return f
}
func (f FilterFacet) Nested(nested string) FilterFacet {
f.nested = nested
return f
}
func (f FilterFacet) Mode(mode string) FilterFacet {
f.mode = mode
return f
}
func (f FilterFacet) Filter(filter Filter) FilterFacet {
f.filter = filter
return f
}
func (f FilterFacet) addFilterFacetAndGlobal(source map[string]interface{}) {
if f.facetFilter != nil {
source["facet_filter"] = f.facetFilter.Source()
}
if f.nested != "" {
source["nested"] = f.nested
}
if f.global != nil {
source["global"] = *f.global
}
if f.mode != "" {
source["mode"] = f.mode
}
}
func (f FilterFacet) Source() interface{} {
source := make(map[string]interface{})
f.addFilterFacetAndGlobal(source)
source["filter"] = f.filter.Source()
return source
}
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