mirror of https://github.com/minio/minio.git
146 lines
3.6 KiB
Go
146 lines
3.6 KiB
Go
// 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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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/5.2/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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source []string
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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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// 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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// "external_gt", or "force".
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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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// 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/5.2/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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lines := make([]string, 1)
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source := make(map[string]interface{})
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deleteCommand := make(map[string]interface{})
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if r.index != "" {
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deleteCommand["_index"] = r.index
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}
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if r.typ != "" {
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deleteCommand["_type"] = r.typ
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}
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if r.id != "" {
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deleteCommand["_id"] = r.id
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}
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if r.parent != "" {
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deleteCommand["_parent"] = r.parent
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}
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if r.routing != "" {
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deleteCommand["_routing"] = r.routing
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}
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if r.version > 0 {
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deleteCommand["_version"] = r.version
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}
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if r.versionType != "" {
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deleteCommand["_version_type"] = r.versionType
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}
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source["delete"] = deleteCommand
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body, err := json.Marshal(source)
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if err != nil {
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return nil, err
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}
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lines[0] = string(body)
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r.source = lines
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return lines, nil
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}
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