Class: SeedMigrator::Updater Abstract

Inherits:

Object

• Object
• SeedMigrator::Updater

Includes:

ActiveRecordMigrationCompatible

Defined in:

lib/seed_migrator/updater.rb

Overview

This class is abstract.

The base class for all post-release data updates

Instance Method Summary

• #perform_update ⇒ Object

  Performs the data update.

• #undo_update ⇒ Object

  Reverses the update.

Methods included from ActiveRecordMigrationCompatible

#execute

Instance Method Details

#perform_update ⇒ Object

Performs the data update. The subclass must override this method.

# File 'lib/seed_migrator/updater.rb', line 24

def perform_update
  raise "#{self.class} should override 'update_data'"
end

#undo_update ⇒ Object

Reverses the update. If the update is reversible, this class should be overriden in the subclass.

# File 'lib/seed_migrator/updater.rb', line 30

def undo_update
  raise "#{self.class} does not support rolling back the update"
end