forked from mongodb/mongo-go-driver
-
Notifications
You must be signed in to change notification settings - Fork 0
/
create_indexes.go
90 lines (77 loc) · 2.62 KB
/
create_indexes.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
// Copyright (C) MongoDB, Inc. 2017-present.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
package command
import (
"context"
"github.com/mongodb/mongo-go-driver/bson"
"github.com/mongodb/mongo-go-driver/core/description"
"github.com/mongodb/mongo-go-driver/core/option"
"github.com/mongodb/mongo-go-driver/core/result"
"github.com/mongodb/mongo-go-driver/core/wiremessage"
)
// CreateIndexes represents the createIndexes command.
//
// The createIndexes command creates indexes for a namespace.
type CreateIndexes struct {
NS Namespace
Indexes *bson.Array
Opts []option.CreateIndexesOptioner
result result.CreateIndexes
err error
}
// Encode will encode this command into a wire message for the given server description.
func (ci *CreateIndexes) Encode(desc description.SelectedServer) (wiremessage.WireMessage, error) {
cmd := bson.NewDocument(
bson.EC.String("createIndexes", ci.NS.Collection),
bson.EC.Array("indexes", ci.Indexes),
)
for _, opt := range ci.Opts {
if opt == nil {
continue
}
err := opt.Option(cmd)
if err != nil {
return nil, err
}
}
return (&Command{DB: ci.NS.DB, Command: cmd, isWrite: true}).Encode(desc)
}
// Decode will decode the wire message using the provided server description. Errors during decoding
// are deferred until either the Result or Err methods are called.
func (ci *CreateIndexes) Decode(desc description.SelectedServer, wm wiremessage.WireMessage) *CreateIndexes {
rdr, err := (&Command{}).Decode(desc, wm).Result()
if err != nil {
ci.err = err
return ci
}
ci.err = bson.Unmarshal(rdr, &ci.result)
return ci
}
// Result returns the result of a decoded wire message and server description.
func (ci *CreateIndexes) Result() (result.CreateIndexes, error) {
if ci.err != nil {
return result.CreateIndexes{}, ci.err
}
return ci.result, nil
}
// Err returns the error set on this command.
func (ci *CreateIndexes) Err() error { return ci.err }
// RoundTrip handles the execution of this command using the provided wiremessage.ReadWriter.
func (ci *CreateIndexes) RoundTrip(ctx context.Context, desc description.SelectedServer, rw wiremessage.ReadWriter) (result.CreateIndexes, error) {
wm, err := ci.Encode(desc)
if err != nil {
return result.CreateIndexes{}, err
}
err = rw.WriteWireMessage(ctx, wm)
if err != nil {
return result.CreateIndexes{}, err
}
wm, err = rw.ReadWireMessage(ctx)
if err != nil {
return result.CreateIndexes{}, err
}
return ci.Decode(desc, wm).Result()
}