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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"
"log"
"net/url"
"strings"
"gopkg.in/olivere/elastic.v2/uritemplates"
)
var (
_ = fmt.Print
_ = log.Print
_ = strings.Index
_ = uritemplates.Expand
_ = url.Parse
)
// ClearScrollService is documented at http://www.elasticsearch.org/guide/en/elasticsearch/reference/1.4/search-request-scroll.html.
type ClearScrollService struct {
client *Client
pretty bool
scrollId []string
bodyJson interface{}
bodyString string
}
// NewClearScrollService creates a new ClearScrollService.
func NewClearScrollService(client *Client) *ClearScrollService {
return &ClearScrollService{
client: client,
scrollId: make([]string, 0),
}
}
// ScrollId is a list of scroll IDs to clear.
// Use _all to clear all search contexts.
func (s *ClearScrollService) ScrollId(scrollId ...string) *ClearScrollService {
s.scrollId = make([]string, 0)
s.scrollId = append(s.scrollId, scrollId...)
return s
}
// buildURL builds the URL for the operation.
func (s *ClearScrollService) buildURL() (string, url.Values, error) {
path, err := uritemplates.Expand("/_search/scroll", map[string]string{})
if err != nil {
return "", url.Values{}, err
}
return path, url.Values{}, nil
}
// Validate checks if the operation is valid.
func (s *ClearScrollService) Validate() error {
return nil
}
// Do executes the operation.
func (s *ClearScrollService) Do() (*ClearScrollResponse, error) {
// Check pre-conditions
if err := s.Validate(); err != nil {
return nil, err
}
// Get URL for request
path, params, err := s.buildURL()
if err != nil {
return nil, err
}
// Setup HTTP request body
body := strings.Join(s.scrollId, ",")
// Get HTTP response
res, err := s.client.PerformRequest("DELETE", path, params, body)
if err != nil {
return nil, err
}
// Return operation response
ret := new(ClearScrollResponse)
if err := json.Unmarshal(res.Body, ret); err != nil {
return nil, err
}
return ret, nil
}
// ClearScrollResponse is the response of ClearScrollService.Do.
type ClearScrollResponse struct {
}
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