seba-365 - implemented dep
Change-Id: Ia6226d50e7615935a0c8876809a687427ff88c22
diff --git a/vendor/github.com/mongodb/mongo-go-driver/mongo/options/sessionoptions.go b/vendor/github.com/mongodb/mongo-go-driver/mongo/options/sessionoptions.go
new file mode 100644
index 0000000..ffe45e6
--- /dev/null
+++ b/vendor/github.com/mongodb/mongo-go-driver/mongo/options/sessionoptions.go
@@ -0,0 +1,79 @@
+// 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 (
+ "github.com/mongodb/mongo-go-driver/mongo/readconcern"
+ "github.com/mongodb/mongo-go-driver/mongo/readpref"
+ "github.com/mongodb/mongo-go-driver/mongo/writeconcern"
+)
+
+// DefaultCausalConsistency is the default value for the CausalConsistency option.
+var DefaultCausalConsistency = true
+
+// SessionOptions represents all possible options for creating a new session.
+type SessionOptions struct {
+ CausalConsistency *bool // Specifies if reads should be causally consistent. Defaults to true.
+ DefaultReadConcern *readconcern.ReadConcern // The default read concern for transactions started in the session.
+ DefaultReadPreference *readpref.ReadPref // The default read preference for transactions started in the session.
+ DefaultWriteConcern *writeconcern.WriteConcern // The default write concern for transactions started in the session.
+}
+
+// Session creates a new *SessionOptions
+func Session() *SessionOptions {
+ return &SessionOptions{
+ CausalConsistency: &DefaultCausalConsistency,
+ }
+}
+
+// SetCausalConsistency specifies if a session should be causally consistent. Defaults to true.
+func (s *SessionOptions) SetCausalConsistency(b bool) *SessionOptions {
+ s.CausalConsistency = &b
+ return s
+}
+
+// SetDefaultReadConcern sets the default read concern for transactions started in a session.
+func (s *SessionOptions) SetDefaultReadConcern(rc *readconcern.ReadConcern) *SessionOptions {
+ s.DefaultReadConcern = rc
+ return s
+}
+
+// SetDefaultReadPreference sets the default read preference for transactions started in a session.
+func (s *SessionOptions) SetDefaultReadPreference(rp *readpref.ReadPref) *SessionOptions {
+ s.DefaultReadPreference = rp
+ return s
+}
+
+// SetDefaultWriteConcern sets the default write concern for transactions started in a session.
+func (s *SessionOptions) SetDefaultWriteConcern(wc *writeconcern.WriteConcern) *SessionOptions {
+ s.DefaultWriteConcern = wc
+ return s
+}
+
+// MergeSessionOptions combines the given *SessionOptions into a single *SessionOptions in a last one wins fashion.
+func MergeSessionOptions(opts ...*SessionOptions) *SessionOptions {
+ s := Session()
+ for _, opt := range opts {
+ if opt == nil {
+ continue
+ }
+ if opt.CausalConsistency != nil {
+ s.CausalConsistency = opt.CausalConsistency
+ }
+ if opt.DefaultReadConcern != nil {
+ s.DefaultReadConcern = opt.DefaultReadConcern
+ }
+ if opt.DefaultReadPreference != nil {
+ s.DefaultReadPreference = opt.DefaultReadPreference
+ }
+ if opt.DefaultWriteConcern != nil {
+ s.DefaultWriteConcern = opt.DefaultWriteConcern
+ }
+ }
+
+ return s
+}