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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 http://www.apache.org/licenses/LICENSE-2.0
package options
import "go.mongodb.org/mongo-driver/mongo/readpref"
// RunCmdOptions represents options that can be used to configure a RunCommand operation.
type RunCmdOptions struct {
// The read preference to use for the operation. The default value is nil, which means that the primary read
// preference will be used.
ReadPreference *readpref.ReadPref
}
// RunCmd creates a new RunCmdOptions instance.
func RunCmd() *RunCmdOptions {
return &RunCmdOptions{}
}
// SetReadPreference sets value for the ReadPreference field.
func (rc *RunCmdOptions) SetReadPreference(rp *readpref.ReadPref) *RunCmdOptions {
rc.ReadPreference = rp
return rc
}
// MergeRunCmdOptions combines the given RunCmdOptions instances into one *RunCmdOptions in a last-one-wins fashion.
func MergeRunCmdOptions(opts ...*RunCmdOptions) *RunCmdOptions {
rc := RunCmd()
for _, opt := range opts {
if opt == nil {
continue
}
if opt.ReadPreference != nil {
rc.ReadPreference = opt.ReadPreference
}
}
return rc
}
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