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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_delete_request.go
import (
"encoding/json"
"fmt"
"strings"
)
// -- Bulk delete request --
// BulkDeleteRequest is a request to remove a document from Elasticsearch.
//
// See https://www.elastic.co/guide/en/elasticsearch/reference/6.0/docs-bulk.html
// for details.
type BulkDeleteRequest struct {
BulkableRequest
index string
typ string
id string
parent string
routing string
version int64 // default is MATCH_ANY
versionType string // default is "internal"
source []string
useEasyJSON bool
}
//easyjson:json
type bulkDeleteRequestCommand map[string]bulkDeleteRequestCommandOp
//easyjson:json
type bulkDeleteRequestCommandOp struct {
Index string `json:"_index,omitempty"`
Type string `json:"_type,omitempty"`
Id string `json:"_id,omitempty"`
Parent string `json:"parent,omitempty"`
Routing string `json:"routing,omitempty"`
Version int64 `json:"version,omitempty"`
VersionType string `json:"version_type,omitempty"`
}
// NewBulkDeleteRequest returns a new BulkDeleteRequest.
func NewBulkDeleteRequest() *BulkDeleteRequest {
return &BulkDeleteRequest{}
}
// 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 *BulkDeleteRequest) UseEasyJSON(enable bool) *BulkDeleteRequest {
r.useEasyJSON = enable
return r
}
// Index specifies the Elasticsearch index to use for this delete request.
// If unspecified, the index set on the BulkService will be used.
func (r *BulkDeleteRequest) Index(index string) *BulkDeleteRequest {
r.index = index
r.source = nil
return r
}
// Type specifies the Elasticsearch type to use for this delete request.
// If unspecified, the type set on the BulkService will be used.
func (r *BulkDeleteRequest) Type(typ string) *BulkDeleteRequest {
r.typ = typ
r.source = nil
return r
}
// Id specifies the identifier of the document to delete.
func (r *BulkDeleteRequest) Id(id string) *BulkDeleteRequest {
r.id = id
r.source = nil
return r
}
// Parent specifies the parent of the request, which is used in parent/child
// mappings.
func (r *BulkDeleteRequest) Parent(parent string) *BulkDeleteRequest {
r.parent = parent
r.source = nil
return r
}
// Routing specifies a routing value for the request.
func (r *BulkDeleteRequest) Routing(routing string) *BulkDeleteRequest {
r.routing = routing
r.source = nil
return r
}
// Version indicates the version to be deleted as part of an optimistic
// concurrency model.
func (r *BulkDeleteRequest) Version(version int64) *BulkDeleteRequest {
r.version = version
r.source = nil
return r
}
// VersionType can be "internal" (default), "external", "external_gte",
// or "external_gt".
func (r *BulkDeleteRequest) VersionType(versionType string) *BulkDeleteRequest {
r.versionType = versionType
r.source = nil
return r
}
// String returns the on-wire representation of the delete request,
// concatenated as a single string.
func (r *BulkDeleteRequest) 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 delete 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 *BulkDeleteRequest) Source() ([]string, error) {
if r.source != nil {
return r.source, nil
}
command := bulkDeleteRequestCommand{
"delete": bulkDeleteRequestCommandOp{
Index: r.index,
Type: r.typ,
Id: r.id,
Routing: r.routing,
Parent: r.parent,
Version: r.version,
VersionType: r.versionType,
},
}
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 := []string{string(body)}
r.source = lines
return lines, nil
}
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