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map_codec_options.go
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/
map_codec_options.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 bsonoptions
// MapCodecOptions represents all possible options for map encoding and decoding.
type MapCodecOptions struct {
DecodeZerosMap *bool // Specifies if the map should be zeroed before decoding into it. Defaults to false.
}
// MapCodec creates a new *MapCodecOptions
func MapCodec() *MapCodecOptions {
return &MapCodecOptions{}
}
// SetDecodeZerosMap specifies if the map should be zeroed before decoding into it. Defaults to false.
func (t *MapCodecOptions) SetDecodeZerosMap(b bool) *MapCodecOptions {
t.DecodeZerosMap = &b
return t
}
// MergeMapCodecOptions combines the given *MapCodecOptions into a single *MapCodecOptions in a last one wins fashion.
func MergeMapCodecOptions(opts ...*MapCodecOptions) *MapCodecOptions {
s := MapCodec()
for _, opt := range opts {
if opt == nil {
continue
}
if opt.DecodeZerosMap != nil {
s.DecodeZerosMap = opt.DecodeZerosMap
}
}
return s
}