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gitea/vendor/github.com/olivere/elastic/v7/indices_clear_cache.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"
)
// IndicesClearCacheService allows to clear either all caches or specific cached associated
// with one or more indices.
//
// See https://www.elastic.co/guide/en/elasticsearch/reference/7.6/indices-clearcache.html
// for details.
type IndicesClearCacheService 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
ignoreUnavailable *bool
allowNoIndices *bool
expandWildcards string
fieldData *bool
fields string
query *bool
request *bool
}
// NewIndicesClearCacheService initializes a new instance of
// IndicesClearCacheService.
func NewIndicesClearCacheService(client *Client) *IndicesClearCacheService {
return &IndicesClearCacheService{client: client}
}
// Pretty tells Elasticsearch whether to return a formatted JSON response.
func (s *IndicesClearCacheService) Pretty(pretty bool) *IndicesClearCacheService {
s.pretty = &pretty
return s
}
// Human specifies whether human readable values should be returned in
// the JSON response, e.g. "7.5mb".
func (s *IndicesClearCacheService) Human(human bool) *IndicesClearCacheService {
s.human = &human
return s
}
// ErrorTrace specifies whether to include the stack trace of returned errors.
func (s *IndicesClearCacheService) ErrorTrace(errorTrace bool) *IndicesClearCacheService {
s.errorTrace = &errorTrace
return s
}
// FilterPath specifies a list of filters used to reduce the response.
func (s *IndicesClearCacheService) FilterPath(filterPath ...string) *IndicesClearCacheService {
s.filterPath = filterPath
return s
}
// Header adds a header to the request.
func (s *IndicesClearCacheService) Header(name string, value string) *IndicesClearCacheService {
if s.headers == nil {
s.headers = http.Header{}
}
s.headers.Add(name, value)
return s
}
// Headers specifies the headers of the request.
func (s *IndicesClearCacheService) Headers(headers http.Header) *IndicesClearCacheService {
s.headers = headers
return s
}
// Index is the comma-separated list or wildcard expression of index names used to clear cache.
func (s *IndicesClearCacheService) Index(indices ...string) *IndicesClearCacheService {
s.index = append(s.index, indices...)
return s
}
// IgnoreUnavailable indicates whether specified concrete indices should be
// ignored when unavailable (missing or closed).
func (s *IndicesClearCacheService) IgnoreUnavailable(ignoreUnavailable bool) *IndicesClearCacheService {
s.ignoreUnavailable = &ignoreUnavailable
return s
}
// AllowNoIndices indicates whether to ignore if a wildcard indices
// expression resolves into no concrete indices. (This includes `_all` string or when no indices
// have been specified).
func (s *IndicesClearCacheService) AllowNoIndices(allowNoIndices bool) *IndicesClearCacheService {
s.allowNoIndices = &allowNoIndices
return s
}
// ExpandWildcards indicates whether to expand wildcard expression to
// concrete indices that are open, closed or both.
func (s *IndicesClearCacheService) ExpandWildcards(expandWildcards string) *IndicesClearCacheService {
s.expandWildcards = expandWildcards
return s
}
// FieldData indicates whether to clear the fields cache.
// Use the fields parameter to clear the cache of specific fields only.
func (s *IndicesClearCacheService) FieldData(fieldData bool) *IndicesClearCacheService {
s.fieldData = &fieldData
return s
}
// Fields indicates comma-separated list of field names used to limit the fielddata parameter.
// Defaults to all fields.
func (s *IndicesClearCacheService) Fields(fields string) *IndicesClearCacheService {
s.fields = fields
return s
}
// Query indicates whether to clear only query cache.
func (s *IndicesClearCacheService) Query(queryCache bool) *IndicesClearCacheService {
s.query = &queryCache
return s
}
// Request indicates whether to clear only request cache.
func (s *IndicesClearCacheService) Request(requestCache bool) *IndicesClearCacheService {
s.request = &requestCache
return s
}
// buildURL builds the URL for the operation.
func (s *IndicesClearCacheService) buildURL() (string, url.Values, error) {
// Build URL
var path string
var err error
if len(s.index) > 0 {
path, err = uritemplates.Expand("/{index}/_cache/clear", map[string]string{
"index": strings.Join(s.index, ","),
})
} else {
path = "/_cache/clear"
}
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 v := s.allowNoIndices; v != nil {
params.Set("allow_no_indices", fmt.Sprint(*v))
}
if v := s.expandWildcards; v != "" {
params.Set("expand_wildcards", v)
}
if v := s.ignoreUnavailable; v != nil {
params.Set("ignore_unavailable", fmt.Sprint(*v))
}
if len(s.index) > 0 {
params.Set("index", fmt.Sprintf("%v", s.index))
}
if v := s.ignoreUnavailable; v != nil {
params.Set("fielddata", fmt.Sprint(*v))
}
if len(s.fields) > 0 {
params.Set("fields", fmt.Sprintf("%v", s.fields))
}
if v := s.query; v != nil {
params.Set("query", fmt.Sprint(*v))
}
if s.request != nil {
params.Set("request", fmt.Sprintf("%v", *s.request))
}
return path, params, nil
}
// Validate checks if the operation is valid.
func (s *IndicesClearCacheService) Validate() error {
return nil
}
// Do executes the operation.
func (s *IndicesClearCacheService) Do(ctx context.Context) (*IndicesClearCacheResponse, 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
}
// Get HTTP response
res, err := s.client.PerformRequest(ctx, PerformRequestOptions{
Method: "POST",
Path: path,
Params: params,
Headers: s.headers,
})
if err != nil {
return nil, err
}
// Return operation response
ret := new(IndicesClearCacheResponse)
if err := s.client.decoder.Decode(res.Body, ret); err != nil {
return nil, err
}
return ret, nil
}
// IndicesClearCacheResponse is the response of IndicesClearCacheService.Do.
type IndicesClearCacheResponse struct {
Shards *ShardsInfo `json:"_shards"`
}