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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"
"encoding/json"
"fmt"
"net/url"
"gopkg.in/olivere/elastic.v5/uritemplates"
)
// IngestSimulatePipelineService executes a specific pipeline against the set of
// documents provided in the body of the request.
//
// The API is documented at
// https://www.elastic.co/guide/en/elasticsearch/reference/5.2/simulate-pipeline-api.html.
type IngestSimulatePipelineService struct {
client *Client
pretty bool
id string
verbose *bool
bodyJson interface{}
bodyString string
}
// NewIngestSimulatePipelineService creates a new IngestSimulatePipeline.
func NewIngestSimulatePipelineService(client *Client) *IngestSimulatePipelineService {
return &IngestSimulatePipelineService{
client: client,
}
}
// Id specifies the pipeline ID.
func (s *IngestSimulatePipelineService) Id(id string) *IngestSimulatePipelineService {
s.id = id
return s
}
// Verbose mode. Display data output for each processor in executed pipeline.
func (s *IngestSimulatePipelineService) Verbose(verbose bool) *IngestSimulatePipelineService {
s.verbose = &verbose
return s
}
// Pretty indicates that the JSON response be indented and human readable.
func (s *IngestSimulatePipelineService) Pretty(pretty bool) *IngestSimulatePipelineService {
s.pretty = pretty
return s
}
// BodyJson is the ingest definition, defined as a JSON-serializable simulate
// definition. Use e.g. a map[string]interface{} here.
func (s *IngestSimulatePipelineService) BodyJson(body interface{}) *IngestSimulatePipelineService {
s.bodyJson = body
return s
}
// BodyString is the simulate definition, defined as a string.
func (s *IngestSimulatePipelineService) BodyString(body string) *IngestSimulatePipelineService {
s.bodyString = body
return s
}
// buildURL builds the URL for the operation.
func (s *IngestSimulatePipelineService) buildURL() (string, url.Values, error) {
var err error
var path string
// Build URL
if s.id != "" {
path, err = uritemplates.Expand("/_ingest/pipeline/{id}/_simulate", map[string]string{
"id": s.id,
})
} else {
path = "/_ingest/pipeline/_simulate"
}
if err != nil {
return "", url.Values{}, err
}
// Add query string parameters
params := url.Values{}
if s.pretty {
params.Set("pretty", "1")
}
if s.verbose != nil {
params.Set("verbose", fmt.Sprintf("%v", *s.verbose))
}
return path, params, nil
}
// Validate checks if the operation is valid.
func (s *IngestSimulatePipelineService) Validate() error {
var invalid []string
if s.bodyString == "" && s.bodyJson == nil {
invalid = append(invalid, "BodyJson")
}
if len(invalid) > 0 {
return fmt.Errorf("missing required fields: %v", invalid)
}
return nil
}
// Do executes the operation.
func (s *IngestSimulatePipelineService) Do(ctx context.Context) (*IngestSimulatePipelineResponse, 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
var body interface{}
if s.bodyJson != nil {
body = s.bodyJson
} else {
body = s.bodyString
}
// Get HTTP response
res, err := s.client.PerformRequest(ctx, "POST", path, params, body)
if err != nil {
return nil, err
}
// Return operation response
ret := new(IngestSimulatePipelineResponse)
if err := json.Unmarshal(res.Body, ret); err != nil {
return nil, err
}
return ret, nil
}
// IngestSimulatePipelineResponse is the response of IngestSimulatePipeline.Do.
type IngestSimulatePipelineResponse struct {
Docs []*IngestSimulateDocumentResult `json:"docs"`
}
type IngestSimulateDocumentResult struct {
Doc map[string]interface{} `json:"doc"`
ProcessorResults []*IngestSimulateProcessorResult `json:"processor_results"`
}
type IngestSimulateProcessorResult struct {
ProcessorTag string `json:"tag"`
Doc map[string]interface{} `json:"doc"`
}
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