lib/mongo/error/invalid_transaction_operation.rb
# frozen_string_literal: true
# rubocop:todo all
# Copyright (C) 2014-2020 MongoDB Inc.
#
# 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
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
module Mongo
class Error
# Exception raised if an invalid operation is attempted as part of a transaction.
#
# @since 2.6.0
class InvalidTransactionOperation < Error
# The error message for when a user attempts to commit or abort a transaction when none is in
# progress.
#
# @since 2.6.0
NO_TRANSACTION_STARTED = 'no transaction started'.freeze
# The error message for when a user attempts to start a transaction when one is already in
# progress.
#
# @since 2.6.0.
TRANSACTION_ALREADY_IN_PROGRESS = 'transaction already in progress'.freeze
# The error message for when a transaction read operation uses a non-primary read preference.
#
# @since 2.6.0
INVALID_READ_PREFERENCE = 'read preference in a transaction must be primary'.freeze
# The error message for when a transaction is started with an unacknowledged write concern.
#
# @since 2.6.0
UNACKNOWLEDGED_WRITE_CONCERN = 'transactions do not support unacknowledged write concern'.freeze
# Instantiate the new exception.
#
# @example Instantiate the exception.
# Mongo::Error::InvalidTransactionOperation.new(msg)
#
# @since 2.6.0
def initialize(msg)
super(msg)
end
# Create an error message for incorrectly running a transaction operation twice.
#
# @example Create the error message.
# InvalidTransactionOperation.cannot_call_twice(op)
#
# @param [ Symbol ] op The operation which was run twice.
#
# @since 2.6.0
def self.cannot_call_twice_msg(op)
"cannot call #{op} twice"
end
# Create an error message for incorrectly running a transaction operation that cannot be run
# after the previous one.
#
# @example Create the error message.
# InvalidTransactionOperation.cannot_call_after(last_op, current_op)
#
# @param [ Symbol ] last_op The operation which was run before.
# @param [ Symbol ] current_op The operation which cannot be run.
#
# @since 2.6.0
def self.cannot_call_after_msg(last_op, current_op)
"Cannot call #{current_op} after calling #{last_op}"
end
end
end
end