Class: ActiveRecord::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/active_record/base.rb

Overview

:nodoc:

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(attributes = {}) ⇒ Base

Returns a new instance of Base.



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# File 'lib/active_record/base.rb', line 9

def initialize(attributes={})
  attributes.each do |key, value|
    self.send "#{key}=".to_sym, value
  end
end

Class Method Details

.belongs_to(association_name) ⇒ Object 



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# File 'lib/active_record/base.rb', line 24

def belongs_to(association_name)
  attr_accessor association_name
end

.has_many(association_name) ⇒ Object Also known as: has_and_belongs_to_many 



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# File 'lib/active_record/base.rb', line 28

def has_many(association_name)
  attr_writer association_name
  define_method association_name do
    read_attribute(association_name) || write_attribute(association_name, [])
  end
end

Instance Method Details

#read_attribute(method_name) ⇒ Object 



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# File 'lib/active_record/base.rb', line 15

def read_attribute(method_name)
  instance_variable_get "@#{method_name}"
end

#write_attribute(method_name, value) ⇒ Object 



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# File 'lib/active_record/base.rb', line 19

def write_attribute(method_name, value)
  instance_variable_set "@#{method_name}", value
end