Module: ScottBarron::Acts::StateMachine::ActMacro

Defined in:
lib/acts_as_state_machine.rb

Instance Method Summary collapse

Instance Method Details

#acts_as_state_machine(options = {}) ⇒ Object

Configuration options are

  • column - specifies the column name to use for keeping the state (default: state)

  • initial - specifies an initial state for newly created objects (required)



114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
 
# File 'lib/acts_as_state_machine.rb', line 114

def acts_as_state_machine(options = {})
  class_eval do
    extend ClassMethods
    include InstanceMethods

    raise NoInitialState unless options[:initial]

    write_inheritable_attribute :states, {}
    write_inheritable_attribute :initial_state, options[:initial]
    write_inheritable_attribute :transition_table, {}
    write_inheritable_attribute :event_table, {}
    write_inheritable_attribute :state_column, options[:column] || 'state'

    class_inheritable_reader    :initial_state
    class_inheritable_reader    :state_column
    class_inheritable_reader    :transition_table
    class_inheritable_reader    :event_table

    before_create               :set_initial_state
    after_create                :run_initial_state_actions
  end
end