43 lines
1.3 KiB
Go
43 lines
1.3 KiB
Go
// Copyright (C) MongoDB, Inc. 2017-present.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may
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// not use this file except in compliance with the License. You may obtain
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// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
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package options
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import "go.mongodb.org/mongo-driver/mongo/readpref"
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// RunCmdOptions represents options that can be used to configure a RunCommand operation.
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type RunCmdOptions struct {
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// The read preference to use for the operation. The default value is nil, which means that the primary read
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// preference will be used.
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ReadPreference *readpref.ReadPref
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}
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// RunCmd creates a new RunCmdOptions instance.
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func RunCmd() *RunCmdOptions {
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return &RunCmdOptions{}
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}
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// SetReadPreference sets value for the ReadPreference field.
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func (rc *RunCmdOptions) SetReadPreference(rp *readpref.ReadPref) *RunCmdOptions {
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rc.ReadPreference = rp
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return rc
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}
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// MergeRunCmdOptions combines the given RunCmdOptions instances into one *RunCmdOptions in a last-one-wins fashion.
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func MergeRunCmdOptions(opts ...*RunCmdOptions) *RunCmdOptions {
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rc := RunCmd()
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for _, opt := range opts {
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if opt == nil {
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continue
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}
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if opt.ReadPreference != nil {
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rc.ReadPreference = opt.ReadPreference
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}
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}
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return rc
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}
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