Module: MongoMapper::Callbacks
- Defined in:
- lib/mongo_mapper/callbacks.rb
Overview
This module is mixed into the Document module to provide call-backs before and after the following events:
-
save
-
create
-
update
-
validation
** every validation ** validation when created ** validation when updated
-
destruction
Class Method Summary collapse
-
.included(model) ⇒ Object
:nodoc:.
Instance Method Summary collapse
-
#destroy ⇒ Object
Here we override the
destroy
method to allow for thebefore_destroy
andafter_destroy
call-backs. -
#valid? ⇒ Boolean
:nodoc:.
Class Method Details
.included(model) ⇒ Object
:nodoc:
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# File 'lib/mongo_mapper/callbacks.rb', line 16 def self.included(model) #:nodoc: model.class_eval do extend Observable include ActiveSupport::Callbacks callbacks = %w( before_save after_save before_create after_create before_update after_update before_validation after_validation before_validation_on_create after_validation_on_create before_validation_on_update after_validation_on_update before_destroy after_destroy ) define_callbacks(*callbacks) callbacks.each do |callback| define_method(callback.to_sym) {} end end end |
Instance Method Details
#destroy ⇒ Object
Here we override the destroy
method to allow for the before_destroy
and after_destroy
call-backs. Note that the destroy
call is aborted if the before_destroy
call-back returns false
.
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# File 'lib/mongo_mapper/callbacks.rb', line 63 def destroy #:nodoc: return false if callback(:before_destroy) == false result = super callback(:after_destroy) result end |
#valid? ⇒ Boolean
:nodoc:
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# File 'lib/mongo_mapper/callbacks.rb', line 46 def valid? #:nodoc: return false if callback(:before_validation) == false result = new? ? callback(:before_validation_on_create) : callback(:before_validation_on_update) return false if false == result result = super callback(:after_validation) new? ? callback(:after_validation_on_create) : callback(:after_validation_on_update) return result end |