Class: Google::Cloud::Datastore::V1::TransactionOptions

Inherits:

Object

Object
Google::Cloud::Datastore::V1::TransactionOptions

show all

Extended by:: Protobuf::MessageExts::ClassMethods

Includes:: Protobuf::MessageExts

Defined in:: proto_docs/google/datastore/v1/datastore.rb

Overview

Options for beginning a new transaction.

Transactions can be created explicitly with calls to Datastore.BeginTransaction or implicitly by setting [ReadOptions.new_transaction][google.datastore.v1.ReadOptions.new_transaction] in read requests.

Defined Under Namespace

Classes: ReadOnly, ReadWrite

Instance Attribute Summary collapse

#read_only ⇒ ::Google::Cloud::Datastore::V1::TransactionOptions::ReadOnly
The transaction should only allow reads.
#read_write ⇒ ::Google::Cloud::Datastore::V1::TransactionOptions::ReadWrite
The transaction should allow both reads and writes.

Instance Attribute Details

#read_only ⇒ `::Google::Cloud::Datastore::V1::TransactionOptions::ReadOnly`

Returns The transaction should only allow reads.

Returns:

(::Google::Cloud::Datastore::V1::TransactionOptions::ReadOnly) —
The transaction should only allow reads.

# File 'proto_docs/google/datastore/v1/datastore.rb', line 327

class TransactionOptions
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Options specific to read / write transactions.
  # @!attribute [rw] previous_transaction
  #   @return [::String]
  #     The transaction identifier of the transaction being retried.
  class ReadWrite
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Options specific to read-only transactions.
  class ReadOnly
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end
end

#read_write ⇒ `::Google::Cloud::Datastore::V1::TransactionOptions::ReadWrite`

Returns The transaction should allow both reads and writes.