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Versions: 16
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Stored size: 1.34 KB
Contents
module RiakRecord
module Callbacks
CALLBACK_TRIGGERS = [
:before_create, :after_create,
:before_save, :after_save,
:before_update, :after_update
]
def call_callbacks!(trigger)
callbacks = self.class._callbacks(trigger)
callbacks.each do |callback|
if callback.is_a? Symbol
self.send(callback)
elsif callback.is_a? Proc
callback.call(self)
elsif callback.is_a? String
eval(callback)
else
callback.send(trigger, self)
end
end
end
CALLBACK_TRIGGERS.each do |trigger|
define_method("#{trigger}!") do
call_callbacks!(trigger)
end
end
module ClassMethods
def _callbacks(trigger)
@_callbacks ||= {}
@_callbacks[trigger] ||= []
end
CALLBACK_TRIGGERS.each do |trigger|
ruby = <<-END_OF_RUBY
def append_#{trigger}(*args)
_callbacks(:#{trigger}).concat(args)
end
def #{trigger}(*args)
append_#{trigger}(*args)
end
def prepend_#{trigger}(*args)
_callbacks(:#{trigger}).unshift(*args)
end
END_OF_RUBY
class_eval ruby
end
end
def self.included(base)
base.extend(ClassMethods)
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems