| // 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 |
| |
| // DeleteOptions represents all possible options to the deleteOne() and deleteMany() functions |
| type DeleteOptions struct { |
| Collation *Collation // Specifies a collation |
| } |
| |
| // Delete returns a pointer to a new DeleteOptions |
| func Delete() *DeleteOptions { |
| return &DeleteOptions{} |
| } |
| |
| // SetCollation specifies a collation |
| // Valid for servers >= 3.4. |
| func (do *DeleteOptions) SetCollation(c *Collation) *DeleteOptions { |
| do.Collation = c |
| return do |
| } |
| |
| // MergeDeleteOptions combines the argued DeleteOptions into a single DeleteOptions in a last-one-wins fashion |
| func MergeDeleteOptions(opts ...*DeleteOptions) *DeleteOptions { |
| dOpts := Delete() |
| for _, do := range opts { |
| if do == nil { |
| continue |
| } |
| if do.Collation != nil { |
| dOpts.Collation = do.Collation |
| } |
| } |
| |
| return dOpts |
| } |