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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 session
import (
"time"
"go.mongodb.org/mongo-driver/mongo/readconcern"
"go.mongodb.org/mongo-driver/mongo/readpref"
"go.mongodb.org/mongo-driver/mongo/writeconcern"
)
// ClientOptions represents all possible options for creating a client session.
type ClientOptions struct {
CausalConsistency *bool
DefaultReadConcern *readconcern.ReadConcern
DefaultWriteConcern *writeconcern.WriteConcern
DefaultReadPreference *readpref.ReadPref
DefaultMaxCommitTime *time.Duration
Snapshot *bool
}
// TransactionOptions represents all possible options for starting a transaction in a session.
type TransactionOptions struct {
ReadConcern *readconcern.ReadConcern
WriteConcern *writeconcern.WriteConcern
ReadPreference *readpref.ReadPref
MaxCommitTime *time.Duration
}
func mergeClientOptions(opts ...*ClientOptions) *ClientOptions {
c := &ClientOptions{}
for _, opt := range opts {
if opt == nil {
continue
}
if opt.CausalConsistency != nil {
c.CausalConsistency = opt.CausalConsistency
}
if opt.DefaultReadConcern != nil {
c.DefaultReadConcern = opt.DefaultReadConcern
}
if opt.DefaultReadPreference != nil {
c.DefaultReadPreference = opt.DefaultReadPreference
}
if opt.DefaultWriteConcern != nil {
c.DefaultWriteConcern = opt.DefaultWriteConcern
}
if opt.DefaultMaxCommitTime != nil {
c.DefaultMaxCommitTime = opt.DefaultMaxCommitTime
}
if opt.Snapshot != nil {
c.Snapshot = opt.Snapshot
}
}
return c
}
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