升级流程引擎配置文件版本

vendor/go.mongodb.org/mongo-driver/mongo/options/runcmdoptions.go

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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
+}