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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 that filters out matched documents using a query. Can be placed
// within queries that accept a filter.
// For details, see:
// http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/query-dsl-not-filter.html#query-dsl-not-filter.
type NotFilter struct {
filter Filter
cache *bool
cacheKey string
filterName string
}
func NewNotFilter(filter Filter) NotFilter {
return NotFilter{
filter: filter,
}
}
func (f NotFilter) Cache(cache bool) NotFilter {
f.cache = &cache
return f
}
func (f NotFilter) CacheKey(cacheKey string) NotFilter {
f.cacheKey = cacheKey
return f
}
func (f NotFilter) FilterName(filterName string) NotFilter {
f.filterName = filterName
return f
}
func (f NotFilter) Source() interface{} {
// {
// "not" : {
// "filter" : { ... }
// }
// }
source := make(map[string]interface{})
params := make(map[string]interface{})
source["not"] = params
params["filter"] = f.filter.Source()
if f.cache != nil {
params["_cache"] = *f.cache
}
if f.cacheKey != "" {
params["_cache_key"] = f.cacheKey
}
if f.filterName != "" {
params["_name"] = f.filterName
}
return source
}
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