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gitea/vendor/github.com/olivere/elastic/v7/pit_open.go

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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/http"
"net/url"
"strings"
"github.com/olivere/elastic/v7/uritemplates"
)
// OpenPointInTimeService opens a point in time that can be used in subsequent
// searches.
//
// See https://www.elastic.co/guide/en/elasticsearch/reference/7.x/point-in-time-api.html
// for details.
type OpenPointInTimeService struct {
client *Client
pretty *bool // pretty format the returned JSON response
human *bool // return human readable values for statistics
errorTrace *bool // include the stack trace of returned errors
filterPath []string // list of filters used to reduce the response
headers http.Header // custom request-level HTTP headers
index []string
preference string
routing string
ignoreUnavailable *bool
expandWildcards string
keepAlive string
bodyJson interface{}
bodyString string
}
// NewOpenPointInTimeService creates a new OpenPointInTimeService.
func NewOpenPointInTimeService(client *Client) *OpenPointInTimeService {
return &OpenPointInTimeService{
client: client,
}
}
// Pretty tells Elasticsearch whether to return a formatted JSON response.
func (s *OpenPointInTimeService) Pretty(pretty bool) *OpenPointInTimeService {
s.pretty = &pretty
return s
}
// Human specifies whether human readable values should be returned in
// the JSON response, e.g. "7.5mb".
func (s *OpenPointInTimeService) Human(human bool) *OpenPointInTimeService {
s.human = &human
return s
}
// ErrorTrace specifies whether to include the stack trace of returned errors.
func (s *OpenPointInTimeService) ErrorTrace(errorTrace bool) *OpenPointInTimeService {
s.errorTrace = &errorTrace
return s
}
// FilterPath specifies a list of filters used to reduce the response.
func (s *OpenPointInTimeService) FilterPath(filterPath ...string) *OpenPointInTimeService {
s.filterPath = filterPath
return s
}
// Header adds a header to the request.
func (s *OpenPointInTimeService) Header(name string, value string) *OpenPointInTimeService {
if s.headers == nil {
s.headers = http.Header{}
}
s.headers.Add(name, value)
return s
}
// Headers specifies the headers of the request.
func (s *OpenPointInTimeService) Headers(headers http.Header) *OpenPointInTimeService {
s.headers = headers
return s
}
// Preference specifies the node or shard the operation should be performed on.
func (s *OpenPointInTimeService) Preference(preference string) *OpenPointInTimeService {
s.preference = preference
return s
}
// Index is the name of the index (or indices).
func (s *OpenPointInTimeService) Index(index ...string) *OpenPointInTimeService {
s.index = index
return s
}
// Routing is a specific routing value.
func (s *OpenPointInTimeService) Routing(routing string) *OpenPointInTimeService {
s.routing = routing
return s
}
// IgnoreUnavailable indicates whether specified concrete indices should be
// ignored when unavailable (missing or closed).
func (s *OpenPointInTimeService) IgnoreUnavailable(ignoreUnavailable bool) *OpenPointInTimeService {
s.ignoreUnavailable = &ignoreUnavailable
return s
}
// ExpandWildcards indicates whether to expand wildcard expression to
// concrete indices that are open, closed or both.
func (s *OpenPointInTimeService) ExpandWildcards(expandWildcards string) *OpenPointInTimeService {
s.expandWildcards = expandWildcards
return s
}
// KeepAlive indicates the specific time to live for the point in time.
func (s *OpenPointInTimeService) KeepAlive(keepAlive string) *OpenPointInTimeService {
s.keepAlive = keepAlive
return s
}
// BodyJson is the document as a serializable JSON interface.
func (s *OpenPointInTimeService) BodyJson(body interface{}) *OpenPointInTimeService {
s.bodyJson = body
return s
}
// BodyString is the document encoded as a string.
func (s *OpenPointInTimeService) BodyString(body string) *OpenPointInTimeService {
s.bodyString = body
return s
}
// buildURL builds the URL for the operation.
func (s *OpenPointInTimeService) buildURL() (string, string, url.Values, error) {
var err error
var method, path string
if len(s.index) > 0 {
method = "POST"
path, err = uritemplates.Expand("/{index}/_pit", map[string]string{
"index": strings.Join(s.index, ","),
})
} else {
method = "POST"
path = "/_pit"
}
if err != nil {
return "", "", url.Values{}, err
}
// Add query string parameters
params := url.Values{}
if v := s.pretty; v != nil {
params.Set("pretty", fmt.Sprint(*v))
}
if v := s.human; v != nil {
params.Set("human", fmt.Sprint(*v))
}
if v := s.errorTrace; v != nil {
params.Set("error_trace", fmt.Sprint(*v))
}
if len(s.filterPath) > 0 {
params.Set("filter_path", strings.Join(s.filterPath, ","))
}
if s.preference != "" {
params.Set("preference", s.preference)
}
if s.routing != "" {
params.Set("routing", s.routing)
}
if s.ignoreUnavailable != nil {
params.Set("ignore_unavailable", fmt.Sprintf("%v", *s.ignoreUnavailable))
}
if s.expandWildcards != "" {
params.Set("expand_wildcards", s.expandWildcards)
}
if s.keepAlive != "" {
params.Set("keep_alive", s.keepAlive)
}
return method, path, params, nil
}
// Validate checks if the operation is valid.
func (s *OpenPointInTimeService) Validate() error {
var invalid []string
if len(s.index) == 0 {
invalid = append(invalid, "Index")
}
if s.keepAlive == "" {
invalid = append(invalid, "KeepAlive")
}
if len(invalid) > 0 {
return fmt.Errorf("missing required fields: %v", invalid)
}
return nil
}
// Do executes the operation.
func (s *OpenPointInTimeService) Do(ctx context.Context) (*OpenPointInTimeResponse, error) {
// Check pre-conditions
if err := s.Validate(); err != nil {
return nil, err
}
// Get URL for request
method, path, params, err := s.buildURL()
if err != nil {
return nil, err
}
// Setup HTTP request body
var body interface{}
if s.bodyJson != nil {
body = s.bodyJson
} else {
body = s.bodyString
}
// Get HTTP response
res, err := s.client.PerformRequest(ctx, PerformRequestOptions{
Method: method,
Path: path,
Params: params,
Body: body,
Headers: s.headers,
})
if err != nil {
return nil, err
}
// Return operation response
ret := new(OpenPointInTimeResponse)
if err := s.client.decoder.Decode(res.Body, ret); err != nil {
return nil, err
}
return ret, nil
}
// OpenPointInTimeResponse is the result of opening a point in time.
type OpenPointInTimeResponse struct {
Id string `json:"id,omitempty"`
}