From 6e2cb00008cbf09e556b00f87603797fcaa47e09 Mon Sep 17 00:00:00 2001
From: Christopher Speller <crspeller@gmail.com>
Date: Mon, 16 Apr 2018 05:37:14 -0700
Subject: Depenancy upgrades and movign to dep. (#8630)

---
 .../appengine/datastore/transaction.go             | 87 ----------------------
 1 file changed, 87 deletions(-)
 delete mode 100644 vendor/google.golang.org/appengine/datastore/transaction.go

(limited to 'vendor/google.golang.org/appengine/datastore/transaction.go')

diff --git a/vendor/google.golang.org/appengine/datastore/transaction.go b/vendor/google.golang.org/appengine/datastore/transaction.go
deleted file mode 100644
index a7f3f2b28..000000000
--- a/vendor/google.golang.org/appengine/datastore/transaction.go
+++ /dev/null
@@ -1,87 +0,0 @@
-// Copyright 2011 Google Inc. All rights reserved.
-// Use of this source code is governed by the Apache 2.0
-// license that can be found in the LICENSE file.
-
-package datastore
-
-import (
-	"errors"
-
-	"golang.org/x/net/context"
-
-	"google.golang.org/appengine/internal"
-	pb "google.golang.org/appengine/internal/datastore"
-)
-
-func init() {
-	internal.RegisterTransactionSetter(func(x *pb.Query, t *pb.Transaction) {
-		x.Transaction = t
-	})
-	internal.RegisterTransactionSetter(func(x *pb.GetRequest, t *pb.Transaction) {
-		x.Transaction = t
-	})
-	internal.RegisterTransactionSetter(func(x *pb.PutRequest, t *pb.Transaction) {
-		x.Transaction = t
-	})
-	internal.RegisterTransactionSetter(func(x *pb.DeleteRequest, t *pb.Transaction) {
-		x.Transaction = t
-	})
-}
-
-// ErrConcurrentTransaction is returned when a transaction is rolled back due
-// to a conflict with a concurrent transaction.
-var ErrConcurrentTransaction = errors.New("datastore: concurrent transaction")
-
-// RunInTransaction runs f in a transaction. It calls f with a transaction
-// context tc that f should use for all App Engine operations.
-//
-// If f returns nil, RunInTransaction attempts to commit the transaction,
-// returning nil if it succeeds. If the commit fails due to a conflicting
-// transaction, RunInTransaction retries f, each time with a new transaction
-// context. It gives up and returns ErrConcurrentTransaction after three
-// failed attempts. The number of attempts can be configured by specifying
-// TransactionOptions.Attempts.
-//
-// If f returns non-nil, then any datastore changes will not be applied and
-// RunInTransaction returns that same error. The function f is not retried.
-//
-// Note that when f returns, the transaction is not yet committed. Calling code
-// must be careful not to assume that any of f's changes have been committed
-// until RunInTransaction returns nil.
-//
-// Since f may be called multiple times, f should usually be idempotent.
-// datastore.Get is not idempotent when unmarshaling slice fields.
-//
-// Nested transactions are not supported; c may not be a transaction context.
-func RunInTransaction(c context.Context, f func(tc context.Context) error, opts *TransactionOptions) error {
-	xg := false
-	if opts != nil {
-		xg = opts.XG
-	}
-	attempts := 3
-	if opts != nil && opts.Attempts > 0 {
-		attempts = opts.Attempts
-	}
-	for i := 0; i < attempts; i++ {
-		if err := internal.RunTransactionOnce(c, f, xg); err != internal.ErrConcurrentTransaction {
-			return err
-		}
-	}
-	return ErrConcurrentTransaction
-}
-
-// TransactionOptions are the options for running a transaction.
-type TransactionOptions struct {
-	// XG is whether the transaction can cross multiple entity groups. In
-	// comparison, a single group transaction is one where all datastore keys
-	// used have the same root key. Note that cross group transactions do not
-	// have the same behavior as single group transactions. In particular, it
-	// is much more likely to see partially applied transactions in different
-	// entity groups, in global queries.
-	// It is valid to set XG to true even if the transaction is within a
-	// single entity group.
-	XG bool
-	// Attempts controls the number of retries to perform when commits fail
-	// due to a conflicting transaction. If omitted, it defaults to 3.
-	Attempts int
-}
-- 
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