Module: Arrival

Defined in:
lib/arrival.rb,
lib/arrival/errors.rb,
lib/arrival/logger.rb,
lib/arrival/option.rb,
lib/arrival/runner.rb,
lib/arrival/command.rb,
lib/arrival/railtie.rb,
lib/arrival/version.rb,
lib/arrival/user_options.rb,
lib/arrival/cli_generator.rb,
lib/arrival/configuration.rb,
lib/arrival/alter_argument.rb,
lib/arrival/connection_details.rb

Overview

require ‘activerecord/railtie’

Defined Under Namespace

Classes: AlterArgument, ArgumentsNotSupported, CliGenerator, Command, CommandNotFoundError, Configuration, ConnectionDetails, Error, InvalidAlterStatement, Logger, NoStatusError, Option, Runner, SignalError, UserOptions

Constant Summary collapse

VERSION = 
'0.1.1'

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.configuration ⇒ Object

Returns the value of attribute configuration.



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# File 'lib/arrival.rb', line 30

def configuration
  @configuration
end

Class Method Details

.configure {|configuration| ... } ⇒ Object

Yields:



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# File 'lib/arrival.rb', line 33

def self.configure
  self.configuration ||= Configuration.new
  yield(configuration)
end

.load ⇒ Object

Hooks Arrival into Rails migrations by replacing the configured database adapter



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# File 'lib/arrival.rb', line 40

def self.load
  ActiveRecord::Migration.class_eval do
    alias_method :original_migrate, :migrate

    # Replaces the current connection adapter with the PerconaAdapter and
    # patches LHM, then it continues with the regular migration process.
    #
    # @param direction [Symbol] :up or :down
    def migrate(direction)
      reconnect_with_arrival
      # include_foreigner if defined?(Foreigner)

      # ::Lhm.migration = self
      original_migrate(direction)
    end

    # Includes the Foreigner's Mysql2Adapter implemention in
    # ArrivalAdapter to support foreign keys
    # def include_foreigner
    #   Foreigner::Adapter.safe_include(
    #     :ArrivalAdapter,
    #     Foreigner::ConnectionAdapters::Mysql2Adapter
    #   )
    # end

    # Make all connections in the connection pool to use PerconaAdapter
    # instead of the current adapter.
    def reconnect_with_arrival
      ActiveRecord::Base.establish_connection(
        TestDatabase.new.env_config.merge("adapter" => "arrival")
      )
    end
  end
end