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// 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
package options
import ""
// RunCmdOptions represents all possible options for a runCommand operation.
type RunCmdOptions struct {
ReadPreference *readpref.ReadPref // The read preference for the operation.
// RunCmd creates a new *RunCmdOptions
func RunCmd() *RunCmdOptions {
return &RunCmdOptions{}
// SetReadPreference sets the read preference for the operation.
func (rc *RunCmdOptions) SetReadPreference(rp *readpref.ReadPref) *RunCmdOptions {
rc.ReadPreference = rp
return rc
// MergeRunCmdOptions combines the given *RunCmdOptions into one *RunCmdOptions in a last one wins fashion.
func MergeRunCmdOptions(opts ...*RunCmdOptions) *RunCmdOptions {
rc := RunCmd()
for _, opt := range opts {
if opt == nil {
if opt.ReadPreference != nil {
rc.ReadPreference = opt.ReadPreference
return rc
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