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Add StateMachine object and StateMachineFactory

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Supports initial state in SM
This commit is contained in:
Scott Barron 2008-05-31 15:27:15 -07:00
parent 28fd460950
commit 7dbbc1480b
2 changed files with 22 additions and 3 deletions
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8
lib/aasm.rb
View file

@ -1,5 +1,6 @@
require File.join(File.dirname(__FILE__), 'event')
require File.join(File.dirname(__FILE__), 'state')
require File.join(File.dirname(__FILE__), 'state_machine')
require File.join(File.dirname(__FILE__), 'persistence')
module AASM
@ -9,19 +10,20 @@ module AASM
def self.included(base) #:nodoc:
base.extend AASM::ClassMethods
AASM::Persistence.set_persistence(base)
AASM::StateMachineFactory[base] = AASM::StateMachine.new('')
end
module ClassMethods
def aasm_initial_state(set_state=nil)
if set_state
aasm_initial_state = set_state
AASM::StateMachineFactory[self].initial_state = set_state
else
@aasm_initial_state
AASM::StateMachineFactory[self].initial_state
end
end
def aasm_initial_state=(state)
@aasm_initial_state = state
AASM::StateMachineFactory[self].initial_state = state
end
def aasm_state(name, options={})

17
lib/state_machine.rb Normal file
View file

@ -0,0 +1,17 @@
module AASM
unless AASM.const_defined?('StateMachineFactory')
StateMachineFactory = {}
end
class StateMachine
attr_accessor :states, :events, :initial_state
attr_reader :name
def initialize(name)
@name = name
@initial_state = nil
@states = []
@events = []
end
end
end