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Diffstat (limited to 'activemodel/README.rdoc')
| -rw-r--r-- | activemodel/README.rdoc | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/activemodel/README.rdoc b/activemodel/README.rdoc index 4861b0a002..b4565b5881 100644 --- a/activemodel/README.rdoc +++ b/activemodel/README.rdoc @@ -14,7 +14,7 @@ Model solves this by defining an explicit API. You can read more about the API in ActiveModel::Lint::Tests. Active Model provides a default module that implements the basic API required -to integrate with Action Pack out of the box: +ActiveModel::Model+. +to integrate with Action Pack out of the box: <tt>ActiveModel::Model</tt>. class Person include ActiveModel::Model @@ -25,12 +25,12 @@ to integrate with Action Pack out of the box: +ActiveModel::Model+. person = Person.new(:name => 'bob', :age => '18') person.name # => 'bob' - person.age # => 18 - person.valid? # => false + person.age # => '18' + person.valid? # => true It includes model name introspections, conversions, translations and validations, resulting in a class suitable to be used with Action Pack. -See +ActiveModel::Model+ for more examples. +See <tt>ActiveModel::Model</tt> for more examples. Active Model also provides the following functionality to have ORM-like behavior out of the box: @@ -41,7 +41,7 @@ behavior out of the box: include ActiveModel::AttributeMethods attribute_method_prefix 'clear_' - define_attribute_methods [:name, :age] + define_attribute_methods :name, :age attr_accessor :name, :age @@ -71,7 +71,7 @@ behavior out of the box: This generates +before_create+, +around_create+ and +after_create+ class methods that wrap your create method. - {Learn more}[link:classes/ActiveModel/CallBacks.html] + {Learn more}[link:classes/ActiveModel/Callbacks.html] * Tracking value changes @@ -116,9 +116,6 @@ behavior out of the box: person.errors.full_messages # => ["Name can not be nil"] - person.errors.full_messages - # => ["Name can not be nil"] - {Learn more}[link:classes/ActiveModel/Errors.html] * Model name introspection @@ -138,6 +135,16 @@ behavior out of the box: pattern in a Rails App and take advantage of all the standard observer functions. + class PersonObserver < ActiveModel::Observer + def after_create(person) + person.logger.info("New person added!") + end + + def after_destroy(person) + person.logger.warn("Person with an id of #{person.id} was destroyed!") + end + end + {Learn more}[link:classes/ActiveModel/Observer.html] * Making objects serializable |