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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
import (
"encoding/json"
"fmt"
"net/url"
"strings"
"gopkg.in/olivere/elastic.v2/uritemplates"
)
type OptimizeService struct {
client *Client
indices []string
maxNumSegments *int
onlyExpungeDeletes *bool
flush *bool
waitForMerge *bool
force *bool
pretty bool
}
func NewOptimizeService(client *Client) *OptimizeService {
builder := &OptimizeService{
client: client,
indices: make([]string, 0),
}
return builder
}
func (s *OptimizeService) Index(index string) *OptimizeService {
s.indices = append(s.indices, index)
return s
}
func (s *OptimizeService) Indices(indices ...string) *OptimizeService {
s.indices = append(s.indices, indices...)
return s
}
func (s *OptimizeService) MaxNumSegments(maxNumSegments int) *OptimizeService {
s.maxNumSegments = &maxNumSegments
return s
}
func (s *OptimizeService) OnlyExpungeDeletes(onlyExpungeDeletes bool) *OptimizeService {
s.onlyExpungeDeletes = &onlyExpungeDeletes
return s
}
func (s *OptimizeService) Flush(flush bool) *OptimizeService {
s.flush = &flush
return s
}
func (s *OptimizeService) WaitForMerge(waitForMerge bool) *OptimizeService {
s.waitForMerge = &waitForMerge
return s
}
func (s *OptimizeService) Force(force bool) *OptimizeService {
s.force = &force
return s
}
func (s *OptimizeService) Pretty(pretty bool) *OptimizeService {
s.pretty = pretty
return s
}
func (s *OptimizeService) Do() (*OptimizeResult, error) {
// Build url
path := "/"
// Indices part
indexPart := make([]string, 0)
for _, index := range s.indices {
index, err := uritemplates.Expand("{index}", map[string]string{
"index": index,
})
if err != nil {
return nil, err
}
indexPart = append(indexPart, index)
}
if len(indexPart) > 0 {
path += strings.Join(indexPart, ",")
}
path += "/_optimize"
// Parameters
params := make(url.Values)
if s.maxNumSegments != nil {
params.Set("max_num_segments", fmt.Sprintf("%d", *s.maxNumSegments))
}
if s.onlyExpungeDeletes != nil {
params.Set("only_expunge_deletes", fmt.Sprintf("%v", *s.onlyExpungeDeletes))
}
if s.flush != nil {
params.Set("flush", fmt.Sprintf("%v", *s.flush))
}
if s.waitForMerge != nil {
params.Set("wait_for_merge", fmt.Sprintf("%v", *s.waitForMerge))
}
if s.force != nil {
params.Set("force", fmt.Sprintf("%v", *s.force))
}
if s.pretty {
params.Set("pretty", fmt.Sprintf("%v", s.pretty))
}
// Get response
res, err := s.client.PerformRequest("POST", path, params, nil)
if err != nil {
return nil, err
}
// Return result
ret := new(OptimizeResult)
if err := json.Unmarshal(res.Body, ret); err != nil {
return nil, err
}
return ret, nil
}
// -- Result of an optimize request.
type OptimizeResult struct {
Shards shardsInfo `json:"_shards,omitempty"`
}
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