set_callback(name, *filter_list, &block) Instance Public methods Install a callback for the given event. set_callback :save, :before, :before_meth set_callback :save, :after, :after_meth, if: :condition set_callback :save, :around, ->(r, &block) { stuff; result = block.call; stuff } The second arguments indicates whether the callback is to be run :before, :after, or :around the event. If omitted, :before is assumed. This means the first example above can also be writte

skip_callback(name, *filter_list, &block) Instance Public methods Skip a previously set callback. Like set_callback, :if or :unless options may be passed in order to control when the callback is skipped. class Writer < Person skip_callback :validate, :before, :check_membership, if: -> { self.age > 18 } end

get_callbacks(name) Instance Protected methods

set_callbacks(name, callbacks) Instance Protected methods

new(&block) Class Public methods

call(target, value) Instance Public methods

build(callback_sequence, user_callback, user_conditions, chain_config) Class Public methods

build(callback_sequence, user_callback, user_conditions, chain_config) Class Public methods

build(callback_sequence, user_callback, user_conditions, chain_config, filter) Class Public methods

call(env) Instance Public methods