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88 lines
2.9 KiB
88 lines
2.9 KiB
// 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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// DatabaseOptions represents options that can be used to configure a Database. |
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type DatabaseOptions struct { |
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// The read concern to use for operations executed on the Database. The default value is nil, which means that |
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// the read concern of the client used to configure the Database will be used. |
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ReadConcern *readconcern.ReadConcern |
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// The write concern to use for operations executed on the Database. The default value is nil, which means that the |
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// write concern of the client used to configure the Database will be used. |
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WriteConcern *writeconcern.WriteConcern |
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// The read preference to use for operations executed on the Database. The default value is nil, which means that |
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// the read preference of the client used to configure the Database will be used. |
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ReadPreference *readpref.ReadPref |
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// The BSON registry to marshal and unmarshal documents for operations executed on the Database. The default value |
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// is nil, which means that the registry of the client used to configure the Database will be used. |
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Registry *bsoncodec.Registry |
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} |
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// Database creates a new DatabaseOptions instance. |
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func Database() *DatabaseOptions { |
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return &DatabaseOptions{} |
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} |
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// SetReadConcern sets the value for the ReadConcern field. |
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func (d *DatabaseOptions) SetReadConcern(rc *readconcern.ReadConcern) *DatabaseOptions { |
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d.ReadConcern = rc |
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return d |
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} |
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// SetWriteConcern sets the value for the WriteConcern field. |
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func (d *DatabaseOptions) SetWriteConcern(wc *writeconcern.WriteConcern) *DatabaseOptions { |
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d.WriteConcern = wc |
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return d |
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} |
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// SetReadPreference sets the value for the ReadPreference field. |
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func (d *DatabaseOptions) SetReadPreference(rp *readpref.ReadPref) *DatabaseOptions { |
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d.ReadPreference = rp |
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return d |
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} |
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// SetRegistry sets the value for the Registry field. |
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func (d *DatabaseOptions) SetRegistry(r *bsoncodec.Registry) *DatabaseOptions { |
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d.Registry = r |
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return d |
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} |
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// MergeDatabaseOptions combines the given DatabaseOptions instances into a single DatabaseOptions in a last-one-wins |
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// fashion. |
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func MergeDatabaseOptions(opts ...*DatabaseOptions) *DatabaseOptions { |
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d := Database() |
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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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d.ReadConcern = opt.ReadConcern |
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} |
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if opt.WriteConcern != nil { |
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d.WriteConcern = opt.WriteConcern |
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} |
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if opt.ReadPreference != nil { |
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d.ReadPreference = opt.ReadPreference |
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} |
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if opt.Registry != nil { |
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d.Registry = opt.Registry |
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} |
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} |
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return d |
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}
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