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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
//go:generate easyjson bulk_index_request.go
import (
"encoding/json"
"fmt"
"strings"
)
// BulkIndexRequest is a request to add a document to Elasticsearch.
//
// See https://www.elastic.co/guide/en/elasticsearch/reference/6.0/docs-bulk.html
// for details.
type BulkIndexRequest struct {
BulkableRequest
index string
typ string
id string
opType string
routing string
parent string
version int64 // default is MATCH_ANY
versionType string // default is "internal"
doc interface{}
pipeline string
retryOnConflict *int
source []string
useEasyJSON bool
}
//easyjson:json
type bulkIndexRequestCommand map[string]bulkIndexRequestCommandOp
//easyjson:json
type bulkIndexRequestCommandOp struct {
Index string `json:"_index,omitempty"`
Id string `json:"_id,omitempty"`
Type string `json:"_type,omitempty"`
Parent string `json:"parent,omitempty"`
// RetryOnConflict is "_retry_on_conflict" for 6.0 and "retry_on_conflict" for 6.1+.
RetryOnConflict *int `json:"retry_on_conflict,omitempty"`
Routing string `json:"routing,omitempty"`
Version int64 `json:"version,omitempty"`
VersionType string `json:"version_type,omitempty"`
Pipeline string `json:"pipeline,omitempty"`
}
// NewBulkIndexRequest returns a new BulkIndexRequest.
// The operation type is "index" by default.
func NewBulkIndexRequest() *BulkIndexRequest {
return &BulkIndexRequest{
opType: "index",
}
}
// UseEasyJSON is an experimental setting that enables serialization
// with github.com/mailru/easyjson, which should in faster serialization
// time and less allocations, but removed compatibility with encoding/json,
// usage of unsafe etc. See https://github.com/mailru/easyjson#issues-notes-and-limitations
// for details. This setting is disabled by default.
func (r *BulkIndexRequest) UseEasyJSON(enable bool) *BulkIndexRequest {
r.useEasyJSON = enable
return r
}
// Index specifies the Elasticsearch index to use for this index request.
// If unspecified, the index set on the BulkService will be used.
func (r *BulkIndexRequest) Index(index string) *BulkIndexRequest {
r.index = index
r.source = nil
return r
}
// Type specifies the Elasticsearch type to use for this index request.
// If unspecified, the type set on the BulkService will be used.
func (r *BulkIndexRequest) Type(typ string) *BulkIndexRequest {
r.typ = typ
r.source = nil
return r
}
// Id specifies the identifier of the document to index.
func (r *BulkIndexRequest) Id(id string) *BulkIndexRequest {
r.id = id
r.source = nil
return r
}
// OpType specifies if this request should follow create-only or upsert
// behavior. This follows the OpType of the standard document index API.
// See https://www.elastic.co/guide/en/elasticsearch/reference/6.0/docs-index_.html#operation-type
// for details.
func (r *BulkIndexRequest) OpType(opType string) *BulkIndexRequest {
r.opType = opType
r.source = nil
return r
}
// Routing specifies a routing value for the request.
func (r *BulkIndexRequest) Routing(routing string) *BulkIndexRequest {
r.routing = routing
r.source = nil
return r
}
// Parent specifies the identifier of the parent document (if available).
func (r *BulkIndexRequest) Parent(parent string) *BulkIndexRequest {
r.parent = parent
r.source = nil
return r
}
// Version indicates the version of the document as part of an optimistic
// concurrency model.
func (r *BulkIndexRequest) Version(version int64) *BulkIndexRequest {
r.version = version
r.source = nil
return r
}
// VersionType specifies how versions are created. It can be e.g. internal,
// external, external_gte, or force.
//
// See https://www.elastic.co/guide/en/elasticsearch/reference/6.0/docs-index_.html#index-versioning
// for details.
func (r *BulkIndexRequest) VersionType(versionType string) *BulkIndexRequest {
r.versionType = versionType
r.source = nil
return r
}
// Doc specifies the document to index.
func (r *BulkIndexRequest) Doc(doc interface{}) *BulkIndexRequest {
r.doc = doc
r.source = nil
return r
}
// RetryOnConflict specifies how often to retry in case of a version conflict.
func (r *BulkIndexRequest) RetryOnConflict(retryOnConflict int) *BulkIndexRequest {
r.retryOnConflict = &retryOnConflict
r.source = nil
return r
}
// Pipeline to use while processing the request.
func (r *BulkIndexRequest) Pipeline(pipeline string) *BulkIndexRequest {
r.pipeline = pipeline
r.source = nil
return r
}
// String returns the on-wire representation of the index request,
// concatenated as a single string.
func (r *BulkIndexRequest) String() string {
lines, err := r.Source()
if err != nil {
return fmt.Sprintf("error: %v", err)
}
return strings.Join(lines, "\n")
}
// Source returns the on-wire representation of the index request,
// split into an action-and-meta-data line and an (optional) source line.
// See https://www.elastic.co/guide/en/elasticsearch/reference/6.0/docs-bulk.html
// for details.
func (r *BulkIndexRequest) Source() ([]string, error) {
// { "index" : { "_index" : "test", "_type" : "type1", "_id" : "1" } }
// { "field1" : "value1" }
if r.source != nil {
return r.source, nil
}
lines := make([]string, 2)
// "index" ...
indexCommand := bulkIndexRequestCommandOp{
Index: r.index,
Type: r.typ,
Id: r.id,
Routing: r.routing,
Parent: r.parent,
Version: r.version,
VersionType: r.versionType,
RetryOnConflict: r.retryOnConflict,
Pipeline: r.pipeline,
}
command := bulkIndexRequestCommand{
r.opType: indexCommand,
}
var err error
var body []byte
if r.useEasyJSON {
// easyjson
body, err = command.MarshalJSON()
} else {
// encoding/json
body, err = json.Marshal(command)
}
if err != nil {
return nil, err
}
lines[0] = string(body)
// "field1" ...
if r.doc != nil {
switch t := r.doc.(type) {
default:
body, err := json.Marshal(r.doc)
if err != nil {
return nil, err
}
lines[1] = string(body)
case json.RawMessage:
lines[1] = string(t)
case *json.RawMessage:
lines[1] = string(*t)
case string:
lines[1] = t
case *string:
lines[1] = *t
}
} else {
lines[1] = "{}"
}
r.source = lines
return lines, nil
}
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