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// Copyright 2012-present 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 (
"context"
"fmt"
"net/url"
"strings"
"gopkg.in/olivere/elastic.v5/uritemplates"
)
// RefreshService explicitly refreshes one or more indices.
// See https://www.elastic.co/guide/en/elasticsearch/reference/5.6/indices-refresh.html.
type RefreshService struct {
client *Client
index []string
pretty bool
}
// NewRefreshService creates a new instance of RefreshService.
func NewRefreshService(client *Client) *RefreshService {
builder := &RefreshService{
client: client,
}
return builder
}
// Index specifies the indices to refresh.
func (s *RefreshService) Index(index ...string) *RefreshService {
s.index = append(s.index, index...)
return s
}
// Pretty asks Elasticsearch to return indented JSON.
func (s *RefreshService) Pretty(pretty bool) *RefreshService {
s.pretty = pretty
return s
}
// buildURL builds the URL for the operation.
func (s *RefreshService) buildURL() (string, url.Values, error) {
var err error
var path string
if len(s.index) > 0 {
path, err = uritemplates.Expand("/{index}/_refresh", map[string]string{
"index": strings.Join(s.index, ","),
})
} else {
path = "/_refresh"
}
if err != nil {
return "", url.Values{}, err
}
// Add query string parameters
params := url.Values{}
if s.pretty {
params.Set("pretty", fmt.Sprintf("%v", s.pretty))
}
return path, params, nil
}
// Do executes the request.
func (s *RefreshService) Do(ctx context.Context) (*RefreshResult, error) {
path, params, err := s.buildURL()
if err != nil {
return nil, err
}
// Get response
res, err := s.client.PerformRequest(ctx, "POST", path, params, nil)
if err != nil {
return nil, err
}
// Return result
ret := new(RefreshResult)
if err := s.client.decoder.Decode(res.Body, ret); err != nil {
return nil, err
}
return ret, nil
}
// -- Result of a refresh request.
// RefreshResult is the outcome of RefreshService.Do.
type RefreshResult struct {
Shards shardsInfo `json:"_shards,omitempty"`
}
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