升级流程引擎配置文件版本

2022-10-19 21:32:34 +08:00
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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
+
+// UpdateOptions represents options that can be used to configure UpdateOne and UpdateMany operations.
+type UpdateOptions struct {
+	// A set of filters specifying to which array elements an update should apply. This option is only valid for MongoDB
+	// versions >= 3.6. For previous server versions, the driver will return an error if this option is used. The
+	// default value is nil, which means the update will apply to all array elements.
+	ArrayFilters *ArrayFilters
+
+	// If true, writes executed as part of the operation will opt out of document-level validation on the server. This
+	// option is valid for MongoDB versions >= 3.2 and is ignored for previous server versions. The default value is
+	// false. See https://www.mongodb.com/docs/manual/core/schema-validation/ for more information about document
+	// validation.
+	BypassDocumentValidation *bool
+
+	// Specifies a collation to use for string comparisons during the operation. This option is only valid for MongoDB
+	// versions >= 3.4. For previous server versions, the driver will return an error if this option is used. The
+	// default value is nil, which means the default collation of the collection will be used.
+	Collation *Collation
+
+	// A string or document that will be included in server logs, profiling logs, and currentOp queries to help trace
+	// the operation.  The default value is nil, which means that no comment will be included in the logs.
+	Comment interface{}
+
+	// The index to use for the operation. This should either be the index name as a string or the index specification
+	// as a document. This option is only valid for MongoDB versions >= 4.2. Server versions >= 3.4 will return an error
+	// if this option is specified. For server versions < 3.4, the driver will return a client-side error if this option
+	// is specified. The driver will return an error if this option is specified during an unacknowledged write
+	// operation. The driver will return an error if the hint parameter is a multi-key map. The default value is nil,
+	// which means that no hint will be sent.
+	Hint interface{}
+
+	// If true, a new document will be inserted if the filter does not match any documents in the collection. The
+	// default value is false.
+	Upsert *bool
+
+	// Specifies parameters for the update expression. This option is only valid for MongoDB versions >= 5.0. Older
+	// servers will report an error for using this option. This must be a document mapping parameter names to values.
+	// Values must be constant or closed expressions that do not reference document fields. Parameters can then be
+	// accessed as variables in an aggregate expression context (e.g. "$$var").
+	Let interface{}
+}
+
+// Update creates a new UpdateOptions instance.
+func Update() *UpdateOptions {
+	return &UpdateOptions{}
+}
+
+// SetArrayFilters sets the value for the ArrayFilters field.
+func (uo *UpdateOptions) SetArrayFilters(af ArrayFilters) *UpdateOptions {
+	uo.ArrayFilters = &af
+	return uo
+}
+
+// SetBypassDocumentValidation sets the value for the BypassDocumentValidation field.
+func (uo *UpdateOptions) SetBypassDocumentValidation(b bool) *UpdateOptions {
+	uo.BypassDocumentValidation = &b
+	return uo
+}
+
+// SetCollation sets the value for the Collation field.
+func (uo *UpdateOptions) SetCollation(c *Collation) *UpdateOptions {
+	uo.Collation = c
+	return uo
+}
+
+// SetComment sets the value for the Comment field.
+func (uo *UpdateOptions) SetComment(comment interface{}) *UpdateOptions {
+	uo.Comment = comment
+	return uo
+}
+
+// SetHint sets the value for the Hint field.
+func (uo *UpdateOptions) SetHint(h interface{}) *UpdateOptions {
+	uo.Hint = h
+	return uo
+}
+
+// SetUpsert sets the value for the Upsert field.
+func (uo *UpdateOptions) SetUpsert(b bool) *UpdateOptions {
+	uo.Upsert = &b
+	return uo
+}
+
+// SetLet sets the value for the Let field.
+func (uo *UpdateOptions) SetLet(l interface{}) *UpdateOptions {
+	uo.Let = l
+	return uo
+}
+
+// MergeUpdateOptions combines the given UpdateOptions instances into a single UpdateOptions in a last-one-wins fashion.
+func MergeUpdateOptions(opts ...*UpdateOptions) *UpdateOptions {
+	uOpts := Update()
+	for _, uo := range opts {
+		if uo == nil {
+			continue
+		}
+		if uo.ArrayFilters != nil {
+			uOpts.ArrayFilters = uo.ArrayFilters
+		}
+		if uo.BypassDocumentValidation != nil {
+			uOpts.BypassDocumentValidation = uo.BypassDocumentValidation
+		}
+		if uo.Collation != nil {
+			uOpts.Collation = uo.Collation
+		}
+		if uo.Comment != nil {
+			uOpts.Comment = uo.Comment
+		}
+		if uo.Hint != nil {
+			uOpts.Hint = uo.Hint
+		}
+		if uo.Upsert != nil {
+			uOpts.Upsert = uo.Upsert
+		}
+		if uo.Let != nil {
+			uOpts.Let = uo.Let
+		}
+	}
+
+	return uOpts
+}