forked from golang/hotime
89 lines
3.0 KiB
Go
89 lines
3.0 KiB
Go
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// 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 (
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"go.mongodb.org/mongo-driver/bson/bsoncodec"
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"go.mongodb.org/mongo-driver/mongo/readconcern"
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"go.mongodb.org/mongo-driver/mongo/readpref"
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"go.mongodb.org/mongo-driver/mongo/writeconcern"
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)
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// CollectionOptions represents options that can be used to configure a Collection.
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type CollectionOptions struct {
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// ReadConcern is the read concern to use for operations executed on the Collection. The default value is nil, which means that
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// the read concern of the Database used to configure the Collection will be used.
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ReadConcern *readconcern.ReadConcern
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// WriteConcern is the write concern to use for operations executed on the Collection. The default value is nil, which means that
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// the write concern of the Database used to configure the Collection will be used.
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WriteConcern *writeconcern.WriteConcern
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// ReadPreference is the read preference to use for operations executed on the Collection. The default value is nil, which means that
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// the read preference of the Database used to configure the Collection will be used.
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ReadPreference *readpref.ReadPref
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// Registry is the BSON registry to marshal and unmarshal documents for operations executed on the Collection. The default value
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// is nil, which means that the registry of the Database used to configure the Collection will be used.
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Registry *bsoncodec.Registry
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}
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// Collection creates a new CollectionOptions instance.
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func Collection() *CollectionOptions {
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return &CollectionOptions{}
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}
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// SetReadConcern sets the value for the ReadConcern field.
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func (c *CollectionOptions) SetReadConcern(rc *readconcern.ReadConcern) *CollectionOptions {
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c.ReadConcern = rc
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return c
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}
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// SetWriteConcern sets the value for the WriteConcern field.
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func (c *CollectionOptions) SetWriteConcern(wc *writeconcern.WriteConcern) *CollectionOptions {
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c.WriteConcern = wc
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return c
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}
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// SetReadPreference sets the value for the ReadPreference field.
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func (c *CollectionOptions) SetReadPreference(rp *readpref.ReadPref) *CollectionOptions {
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c.ReadPreference = rp
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return c
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}
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// SetRegistry sets the value for the Registry field.
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func (c *CollectionOptions) SetRegistry(r *bsoncodec.Registry) *CollectionOptions {
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c.Registry = r
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return c
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}
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// MergeCollectionOptions combines the given CollectionOptions instances into a single *CollectionOptions in a
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// last-one-wins fashion.
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func MergeCollectionOptions(opts ...*CollectionOptions) *CollectionOptions {
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c := Collection()
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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.ReadConcern != nil {
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c.ReadConcern = opt.ReadConcern
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}
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if opt.WriteConcern != nil {
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c.WriteConcern = opt.WriteConcern
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}
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if opt.ReadPreference != nil {
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c.ReadPreference = opt.ReadPreference
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}
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if opt.Registry != nil {
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c.Registry = opt.Registry
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}
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}
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return c
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}
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