233 lines
5.9 KiB
Go
233 lines
5.9 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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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 request to add a document to Elasticsearch.
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//
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// See https://www.elastic.co/guide/en/elasticsearch/reference/current/docs-bulk.html
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// for details.
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type BulkIndexRequest 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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opType string
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routing string
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parent string
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timestamp string
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ttl int64
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refresh *bool
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version int64 // default is MATCH_ANY
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versionType string // default is "internal"
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doc interface{}
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source []string
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}
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// NewBulkIndexRequest returns a new BulkIndexRequest.
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// The operation type is "index" by default.
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func NewBulkIndexRequest() *BulkIndexRequest {
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return &BulkIndexRequest{
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opType: "index",
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}
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}
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// Index specifies the Elasticsearch index to use for this index request.
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// If unspecified, the index set on the BulkService will be used.
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func (r *BulkIndexRequest) Index(index string) *BulkIndexRequest {
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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 index request.
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// If unspecified, the type set on the BulkService will be used.
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func (r *BulkIndexRequest) Type(typ string) *BulkIndexRequest {
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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 index.
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func (r *BulkIndexRequest) Id(id string) *BulkIndexRequest {
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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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// OpType specifies if this request should follow create-only or upsert
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// behavior. This follows the OpType of the standard document index API.
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// See https://www.elastic.co/guide/en/elasticsearch/reference/current/docs-index_.html#operation-type
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// for details.
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func (r *BulkIndexRequest) OpType(opType string) *BulkIndexRequest {
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r.opType = opType
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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 *BulkIndexRequest) Routing(routing string) *BulkIndexRequest {
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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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// Parent specifies the identifier of the parent document (if available).
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func (r *BulkIndexRequest) Parent(parent string) *BulkIndexRequest {
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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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// Timestamp can be used to index a document with a timestamp.
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// This is deprecated as of 2.0.0-beta2; you should use a normal date field
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// and set its value explicitly.
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func (r *BulkIndexRequest) Timestamp(timestamp string) *BulkIndexRequest {
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r.timestamp = timestamp
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r.source = nil
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return r
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}
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// Ttl (time to live) sets an expiration date for the document. Expired
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// documents will be expunged automatically.
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// This is deprecated as of 2.0.0-beta2 and will be replaced by a different
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// implementation in a future version.
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func (r *BulkIndexRequest) Ttl(ttl int64) *BulkIndexRequest {
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r.ttl = ttl
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r.source = nil
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return r
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}
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// Refresh indicates whether to update the shards immediately after
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// the request has been processed. Newly added documents will appear
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// in search immediately at the cost of slower bulk performance.
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func (r *BulkIndexRequest) Refresh(refresh bool) *BulkIndexRequest {
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r.refresh = &refresh
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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 of the document as part of an optimistic
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// concurrency model.
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func (r *BulkIndexRequest) Version(version int64) *BulkIndexRequest {
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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 specifies how versions are created. It can be e.g. internal,
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// external, external_gte, or force.
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//
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// See https://www.elastic.co/guide/en/elasticsearch/reference/current/docs-index_.html#index-versioning
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// for details.
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func (r *BulkIndexRequest) VersionType(versionType string) *BulkIndexRequest {
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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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// Doc specifies the document to index.
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func (r *BulkIndexRequest) Doc(doc interface{}) *BulkIndexRequest {
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r.doc = doc
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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 index request,
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// concatenated as a single string.
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func (r *BulkIndexRequest) 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 index 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/current/docs-bulk.html
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// for details.
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func (r *BulkIndexRequest) Source() ([]string, error) {
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// { "index" : { "_index" : "test", "_type" : "type1", "_id" : "1" } }
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// { "field1" : "value1" }
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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, 2)
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// "index" ...
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command := make(map[string]interface{})
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indexCommand := make(map[string]interface{})
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if r.index != "" {
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indexCommand["_index"] = r.index
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}
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if r.typ != "" {
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indexCommand["_type"] = r.typ
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}
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if r.id != "" {
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indexCommand["_id"] = r.id
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}
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if r.routing != "" {
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indexCommand["_routing"] = r.routing
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}
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if r.parent != "" {
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indexCommand["_parent"] = r.parent
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}
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if r.timestamp != "" {
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indexCommand["_timestamp"] = r.timestamp
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}
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if r.ttl > 0 {
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indexCommand["_ttl"] = r.ttl
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}
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if r.version > 0 {
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indexCommand["_version"] = r.version
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}
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if r.versionType != "" {
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indexCommand["_version_type"] = r.versionType
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}
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if r.refresh != nil {
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indexCommand["refresh"] = *r.refresh
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}
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command[r.opType] = indexCommand
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line, err := json.Marshal(command)
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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(line)
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// "field1" ...
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if r.doc != nil {
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switch t := r.doc.(type) {
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default:
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body, err := json.Marshal(r.doc)
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if err != nil {
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return nil, err
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}
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lines[1] = string(body)
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case json.RawMessage:
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lines[1] = string(t)
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case *json.RawMessage:
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lines[1] = string(*t)
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case string:
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lines[1] = t
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case *string:
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lines[1] = *t
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}
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} else {
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lines[1] = "{}"
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}
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r.source = lines
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return lines, nil
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}
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