module Jennifer::Model::Callback

Overview

Callbacks are hooks into the life cycle of a model object that allow you to trigger logic before or after an alteration of the object state.

class User < Jennifer::Model::Base
  # mapping()

  before_save :notify
  after_create :send_email, if: admin?

  def notify
    # ...
  end

  def admin?
    role == "admin"
  end
end

Direct including types

• Jennifer::Model::Base

Defined in:

Macro Summary

• after_commit(*names, on)

  Defines callbacks which are called after a record has been created, updated, or destroyed.

• after_create(*names)

  Defines callbacks which are called after Base.save on new objects that haven’t been saved yet (no record exists).

• after_destroy(*names)

  Defines callbacks which are called after Base.destroy.

• after_initialize(*names)

  Defines callbacks which are called after Base.build call.

• after_rollback(*names, on)

  Defines callbacks which are called after a create, update, or destroy are rolled back.

• after_save(*names)

  Defines callbacks which are called after Base.save (regardless of whether it's a create or update save).

• after_update(*names)

  Defines callbacks which are called after Base.save on existing objects that have a record.

• after_validation(*names)

  Defines callbacks which are called after Base.validate! (which is part of the Base.save call).

• before_create(*names)

  Defines callbacks which are called before Base.save on new objects that haven’t been saved yet (no record exists).

• before_destroy(*names)

  Defines callbacks which are called before Base.destroy

• before_save(*names)

  Defines callbacks which are called before Base.save (regardless of whether it's a create or update save).

• before_update(*names)

  Defines callbacks which are called before Base.save on existing objects that have a record.

• before_validation(*names)

  Defines callbacks which are called before Base.validate! (which is part of the Base.save call).

Macro Detail

after_commit :var, on: :save
after_commit :foo, on: :create
after_commit :bar, on: :update
after_commit :baz, on: :destroy