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187 lines
5.2 KiB
Go
187 lines
5.2 KiB
Go
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// Copyright 2012-present Oliver Eilhard. All rights reserved.
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// Use of this source code is governed by a MIT-license.
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// See http://olivere.mit-license.org/license.txt for details.
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package elastic
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//go:generate easyjson bulk_delete_request.go
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import (
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"encoding/json"
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"fmt"
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"strings"
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)
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// -- Bulk delete request --
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// BulkDeleteRequest is a request to remove a document from Elasticsearch.
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//
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// See https://www.elastic.co/guide/en/elasticsearch/reference/7.0/docs-bulk.html
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// for details.
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type BulkDeleteRequest struct {
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BulkableRequest
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index string
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typ string
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id string
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parent string
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routing string
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version int64 // default is MATCH_ANY
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versionType string // default is "internal"
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ifSeqNo *int64
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ifPrimaryTerm *int64
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source []string
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useEasyJSON bool
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}
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//easyjson:json
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type bulkDeleteRequestCommand map[string]bulkDeleteRequestCommandOp
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//easyjson:json
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type bulkDeleteRequestCommandOp struct {
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Index string `json:"_index,omitempty"`
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Type string `json:"_type,omitempty"`
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Id string `json:"_id,omitempty"`
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Parent string `json:"parent,omitempty"`
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Routing string `json:"routing,omitempty"`
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Version int64 `json:"version,omitempty"`
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VersionType string `json:"version_type,omitempty"`
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IfSeqNo *int64 `json:"if_seq_no,omitempty"`
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IfPrimaryTerm *int64 `json:"if_primary_term,omitempty"`
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}
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// NewBulkDeleteRequest returns a new BulkDeleteRequest.
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func NewBulkDeleteRequest() *BulkDeleteRequest {
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return &BulkDeleteRequest{}
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}
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// UseEasyJSON is an experimental setting that enables serialization
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// with github.com/mailru/easyjson, which should in faster serialization
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// time and less allocations, but removed compatibility with encoding/json,
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// usage of unsafe etc. See https://github.com/mailru/easyjson#issues-notes-and-limitations
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// for details. This setting is disabled by default.
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func (r *BulkDeleteRequest) UseEasyJSON(enable bool) *BulkDeleteRequest {
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r.useEasyJSON = enable
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return r
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}
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// Index specifies the Elasticsearch index to use for this delete request.
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// If unspecified, the index set on the BulkService will be used.
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func (r *BulkDeleteRequest) Index(index string) *BulkDeleteRequest {
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r.index = index
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r.source = nil
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return r
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}
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// Type specifies the Elasticsearch type to use for this delete request.
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// If unspecified, the type set on the BulkService will be used.
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func (r *BulkDeleteRequest) Type(typ string) *BulkDeleteRequest {
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r.typ = typ
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r.source = nil
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return r
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}
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// Id specifies the identifier of the document to delete.
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func (r *BulkDeleteRequest) Id(id string) *BulkDeleteRequest {
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r.id = id
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r.source = nil
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return r
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}
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// Parent specifies the parent of the request, which is used in parent/child
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// mappings.
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func (r *BulkDeleteRequest) Parent(parent string) *BulkDeleteRequest {
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r.parent = parent
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r.source = nil
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return r
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}
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// Routing specifies a routing value for the request.
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func (r *BulkDeleteRequest) Routing(routing string) *BulkDeleteRequest {
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r.routing = routing
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r.source = nil
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return r
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}
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// Version indicates the version to be deleted as part of an optimistic
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// concurrency model.
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func (r *BulkDeleteRequest) Version(version int64) *BulkDeleteRequest {
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r.version = version
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r.source = nil
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return r
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}
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// VersionType can be "internal" (default), "external", "external_gte",
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// or "external_gt".
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func (r *BulkDeleteRequest) VersionType(versionType string) *BulkDeleteRequest {
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r.versionType = versionType
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r.source = nil
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return r
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}
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// IfSeqNo indicates to only perform the delete operation if the last
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// operation that has changed the document has the specified sequence number.
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func (r *BulkDeleteRequest) IfSeqNo(ifSeqNo int64) *BulkDeleteRequest {
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r.ifSeqNo = &ifSeqNo
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return r
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}
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// IfPrimaryTerm indicates to only perform the delete operation if the
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// last operation that has changed the document has the specified primary term.
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func (r *BulkDeleteRequest) IfPrimaryTerm(ifPrimaryTerm int64) *BulkDeleteRequest {
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r.ifPrimaryTerm = &ifPrimaryTerm
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return r
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}
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// String returns the on-wire representation of the delete request,
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// concatenated as a single string.
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func (r *BulkDeleteRequest) String() string {
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lines, err := r.Source()
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if err != nil {
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return fmt.Sprintf("error: %v", err)
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}
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return strings.Join(lines, "\n")
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}
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// Source returns the on-wire representation of the delete request,
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// split into an action-and-meta-data line and an (optional) source line.
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// See https://www.elastic.co/guide/en/elasticsearch/reference/7.0/docs-bulk.html
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// for details.
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func (r *BulkDeleteRequest) Source() ([]string, error) {
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if r.source != nil {
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return r.source, nil
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}
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command := bulkDeleteRequestCommand{
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"delete": bulkDeleteRequestCommandOp{
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Index: r.index,
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Type: r.typ,
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Id: r.id,
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Routing: r.routing,
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Parent: r.parent,
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Version: r.version,
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VersionType: r.versionType,
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IfSeqNo: r.ifSeqNo,
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IfPrimaryTerm: r.ifPrimaryTerm,
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},
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}
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var err error
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var body []byte
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if r.useEasyJSON {
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// easyjson
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body, err = command.MarshalJSON()
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} else {
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// encoding/json
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body, err = json.Marshal(command)
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}
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if err != nil {
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return nil, err
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}
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lines := []string{string(body)}
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r.source = lines
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return lines, nil
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}
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