Module: Sequential::SequentialInclude::ClassMethods

Defined in:
lib/sequential/sequential_include.rb

Instance Method Summary collapse

Instance Method Details

#sequential(options = {}) ⇒ Object

Public: Defines ActiveRecord callbacks to set a sequential ID scoped on a specific class.

options - The Hash of options for configuration: :scope - The Symbol representing the columm on which the sequence should be scoped (default: nil) :column - The Symbol representing the column that stores the sequence (default: :sequential_id) :start_at - The Integer value at which the sequence should start (default: 1) :skip - Skips the sequence generation when the lambda expression evaluates to nil. Gets passed the model object

Examples

class Answer < ActiveRecord::Base
belongs_to :question
sequential scope: :question_id
end

Returns nothing.



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# File 'lib/sequential/sequential_include.rb', line 33

def sequential(options = {})
  cattr_accessor :sequence_options

  (self.sequence_options ||= []) << options

  before_create :set_sequential_values

  include Sequential::SequentialInclude::InstanceMethods
end