method

with_lock

rails latest stable - Class: ActiveRecord::Locking::Pessimistic

with_lock(*args)

public

Wraps the passed block in a transaction, reloading the object with a lock before yielding. You can pass the SQL locking clause as an optional argument (see #lock!).

You can also pass options like requires_new:, isolation:, and joinable: to the wrapping transaction (see ActiveRecord::ConnectionAdapters::DatabaseStatements#transaction).

# File activerecord/lib/active_record/locking/pessimistic.rb, line 92
      def with_lock(*args)
        transaction_opts = args.extract_options!
        lock = args.present? ? args.first : true
        transaction(**transaction_opts) do
          lock!(lock)
          yield
        end
      end

with_lock

Related methods