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