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42 lines
1.3 KiB
42 lines
1.3 KiB
// 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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