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minio/vendor/gopkg.in/olivere/elastic.v5/bulk_update_request.go

270 lines
7.1 KiB

// 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 (
"encoding/json"
"fmt"
"strings"
)
// BulkUpdateRequest is a request to update a document in Elasticsearch.
//
// See https://www.elastic.co/guide/en/elasticsearch/reference/5.2/docs-bulk.html
// for details.
type BulkUpdateRequest struct {
BulkableRequest
index string
typ string
id string
routing string
parent string
script *Script
scriptedUpsert *bool
version int64 // default is MATCH_ANY
versionType string // default is "internal"
retryOnConflict *int
upsert interface{}
docAsUpsert *bool
detectNoop *bool
doc interface{}
source []string
}
// NewBulkUpdateRequest returns a new BulkUpdateRequest.
func NewBulkUpdateRequest() *BulkUpdateRequest {
return &BulkUpdateRequest{}
}
// Index specifies the Elasticsearch index to use for this update request.
// If unspecified, the index set on the BulkService will be used.
func (r *BulkUpdateRequest) Index(index string) *BulkUpdateRequest {
r.index = index
r.source = nil
return r
}
// Type specifies the Elasticsearch type to use for this update request.
// If unspecified, the type set on the BulkService will be used.
func (r *BulkUpdateRequest) Type(typ string) *BulkUpdateRequest {
r.typ = typ
r.source = nil
return r
}
// Id specifies the identifier of the document to update.
func (r *BulkUpdateRequest) Id(id string) *BulkUpdateRequest {
r.id = id
r.source = nil
return r
}
// Routing specifies a routing value for the request.
func (r *BulkUpdateRequest) Routing(routing string) *BulkUpdateRequest {
r.routing = routing
r.source = nil
return r
}
// Parent specifies the identifier of the parent document (if available).
func (r *BulkUpdateRequest) Parent(parent string) *BulkUpdateRequest {
r.parent = parent
r.source = nil
return r
}
// Script specifies an update script.
// See https://www.elastic.co/guide/en/elasticsearch/reference/5.2/docs-bulk.html#bulk-update
// and https://www.elastic.co/guide/en/elasticsearch/reference/5.2/modules-scripting.html
// for details.
func (r *BulkUpdateRequest) Script(script *Script) *BulkUpdateRequest {
r.script = script
r.source = nil
return r
}
// ScripedUpsert specifies if your script will run regardless of
// whether the document exists or not.
//
// See https://www.elastic.co/guide/en/elasticsearch/reference/5.2/docs-update.html#_literal_scripted_upsert_literal
func (r *BulkUpdateRequest) ScriptedUpsert(upsert bool) *BulkUpdateRequest {
r.scriptedUpsert = &upsert
r.source = nil
return r
}
// RetryOnConflict specifies how often to retry in case of a version conflict.
func (r *BulkUpdateRequest) RetryOnConflict(retryOnConflict int) *BulkUpdateRequest {
r.retryOnConflict = &retryOnConflict
r.source = nil
return r
}
// Version indicates the version of the document as part of an optimistic
// concurrency model.
func (r *BulkUpdateRequest) Version(version int64) *BulkUpdateRequest {
r.version = version
r.source = nil
return r
}
// VersionType can be "internal" (default), "external", "external_gte",
// "external_gt", or "force".
func (r *BulkUpdateRequest) VersionType(versionType string) *BulkUpdateRequest {
r.versionType = versionType
r.source = nil
return r
}
// Doc specifies the updated document.
func (r *BulkUpdateRequest) Doc(doc interface{}) *BulkUpdateRequest {
r.doc = doc
r.source = nil
return r
}
// DocAsUpsert indicates whether the contents of Doc should be used as
// the Upsert value.
//
// See https://www.elastic.co/guide/en/elasticsearch/reference/5.2/docs-update.html#_literal_doc_as_upsert_literal
// for details.
func (r *BulkUpdateRequest) DocAsUpsert(docAsUpsert bool) *BulkUpdateRequest {
r.docAsUpsert = &docAsUpsert
r.source = nil
return r
}
// DetectNoop specifies whether changes that don't affect the document
// should be ignored (true) or unignored (false). This is enabled by default
// in Elasticsearch.
func (r *BulkUpdateRequest) DetectNoop(detectNoop bool) *BulkUpdateRequest {
r.detectNoop = &detectNoop
r.source = nil
return r
}
// Upsert specifies the document to use for upserts. It will be used for
// create if the original document does not exist.
func (r *BulkUpdateRequest) Upsert(doc interface{}) *BulkUpdateRequest {
r.upsert = doc
r.source = nil
return r
}
// String returns the on-wire representation of the update request,
// concatenated as a single string.
func (r *BulkUpdateRequest) String() string {
lines, err := r.Source()
if err != nil {
return fmt.Sprintf("error: %v", err)
}
return strings.Join(lines, "\n")
}
func (r *BulkUpdateRequest) getSourceAsString(data interface{}) (string, error) {
switch t := data.(type) {
default:
body, err := json.Marshal(data)
if err != nil {
return "", err
}
return string(body), nil
case json.RawMessage:
return string(t), nil
case *json.RawMessage:
return string(*t), nil
case string:
return t, nil
case *string:
return *t, nil
}
}
// Source returns the on-wire representation of the update request,
// split into an action-and-meta-data line and an (optional) source line.
// See https://www.elastic.co/guide/en/elasticsearch/reference/5.2/docs-bulk.html
// for details.
func (r *BulkUpdateRequest) Source() ([]string, error) {
// { "update" : { "_index" : "test", "_type" : "type1", "_id" : "1", ... } }
// { "doc" : { "field1" : "value1", ... } }
// or
// { "update" : { "_index" : "test", "_type" : "type1", "_id" : "1", ... } }
// { "script" : { ... } }
if r.source != nil {
return r.source, nil
}
lines := make([]string, 2)
// "update" ...
command := make(map[string]interface{})
updateCommand := make(map[string]interface{})
if r.index != "" {
updateCommand["_index"] = r.index
}
if r.typ != "" {
updateCommand["_type"] = r.typ
}
if r.id != "" {
updateCommand["_id"] = r.id
}
if r.routing != "" {
updateCommand["_routing"] = r.routing
}
if r.parent != "" {
updateCommand["_parent"] = r.parent
}
if r.version > 0 {
updateCommand["_version"] = r.version
}
if r.versionType != "" {
updateCommand["_version_type"] = r.versionType
}
if r.retryOnConflict != nil {
updateCommand["_retry_on_conflict"] = *r.retryOnConflict
}
command["update"] = updateCommand
line, err := json.Marshal(command)
if err != nil {
return nil, err
}
lines[0] = string(line)
// 2nd line: {"doc" : { ... }} or {"script": {...}}
source := make(map[string]interface{})
if r.docAsUpsert != nil {
source["doc_as_upsert"] = *r.docAsUpsert
}
if r.detectNoop != nil {
source["detect_noop"] = *r.detectNoop
}
if r.upsert != nil {
source["upsert"] = r.upsert
}
if r.scriptedUpsert != nil {
source["scripted_upsert"] = *r.scriptedUpsert
}
if r.doc != nil {
// {"doc":{...}}
source["doc"] = r.doc
} else if r.script != nil {
// {"script":...}
src, err := r.script.Source()
if err != nil {
return nil, err
}
source["script"] = src
}
lines[1], err = r.getSourceAsString(source)
if err != nil {
return nil, err
}
r.source = lines
return lines, nil
}