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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
// Filters documents that only have the provided ids.
// Note, this filter does not require the _id field to be indexed
// since it works using the _uid field.
// For details, see:
// http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/query-dsl-ids-filter.html
type IdsFilter struct {
Filter
types []string
values []string
filterName string
}
func NewIdsFilter(types ...string) IdsFilter {
return IdsFilter{
types: types,
values: make([]string, 0),
}
}
func (f IdsFilter) Ids(ids ...string) IdsFilter {
f.values = append(f.values, ids...)
return f
}
func (f IdsFilter) FilterName(filterName string) IdsFilter {
f.filterName = filterName
return f
}
func (f IdsFilter) Source() interface{} {
// {
// "ids" : {
// "type" : "my_type",
// "values" : ["1", "4", "100"]
// }
// }
source := make(map[string]interface{})
params := make(map[string]interface{})
source["ids"] = params
// type(s)
if len(f.types) == 1 {
params["type"] = f.types[0]
} else if len(f.types) > 1 {
params["types"] = f.types
}
// values
params["values"] = f.values
// filter name
if f.filterName != "" {
params["_name"] = f.filterName
}
return source
}
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