111 lines
2.3 KiB
Go
111 lines
2.3 KiB
Go
// Copyright 2012-2015 Oliver Eilhard. All rights reserved.
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// Use of this source code is governed by a MIT-license.
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// See http://olivere.mit-license.org/license.txt for details.
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package elastic
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// Histogram Facet
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// See: http://www.elasticsearch.org/guide/reference/api/search/facets/histogram-facet.html
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type HistogramFacet struct {
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facetFilter Filter
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global *bool
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nested string
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mode string
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keyField string
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valueField string
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interval int64
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timeInterval string
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comparatorType string
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}
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func NewHistogramFacet() HistogramFacet {
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return HistogramFacet{
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interval: -1,
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}
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}
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func (f HistogramFacet) FacetFilter(filter Facet) HistogramFacet {
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f.facetFilter = filter
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return f
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}
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func (f HistogramFacet) Global(global bool) HistogramFacet {
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f.global = &global
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return f
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}
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func (f HistogramFacet) Nested(nested string) HistogramFacet {
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f.nested = nested
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return f
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}
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func (f HistogramFacet) Mode(mode string) HistogramFacet {
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f.mode = mode
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return f
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}
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func (f HistogramFacet) Field(field string) HistogramFacet {
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f.keyField = field
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return f
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}
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func (f HistogramFacet) KeyField(keyField string) HistogramFacet {
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f.keyField = keyField
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return f
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}
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func (f HistogramFacet) ValueField(valueField string) HistogramFacet {
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f.valueField = valueField
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return f
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}
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func (f HistogramFacet) Interval(interval int64) HistogramFacet {
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f.interval = interval
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return f
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}
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func (f HistogramFacet) TimeInterval(timeInterval string) HistogramFacet {
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f.timeInterval = timeInterval
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return f
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}
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func (f HistogramFacet) addFilterFacetAndGlobal(source map[string]interface{}) {
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if f.facetFilter != nil {
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source["facet_filter"] = f.facetFilter.Source()
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}
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if f.nested != "" {
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source["nested"] = f.nested
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}
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if f.global != nil {
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source["global"] = *f.global
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}
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if f.mode != "" {
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source["mode"] = f.mode
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}
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}
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func (f HistogramFacet) Source() interface{} {
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source := make(map[string]interface{})
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f.addFilterFacetAndGlobal(source)
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opts := make(map[string]interface{})
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source["histogram"] = opts
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if f.valueField != "" {
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opts["key_field"] = f.keyField
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opts["value_field"] = f.valueField
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} else {
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opts["field"] = f.keyField
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}
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if f.timeInterval != "" {
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opts["time_interval"] = f.timeInterval
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} else {
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opts["interval"] = f.interval
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}
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if f.comparatorType != "" {
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opts["comparator"] = f.comparatorType
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}
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return source
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}
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