Module: Workflow::WorkflowClassMethods

Defined in:
lib/workflow.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#workflow_spec ⇒ Object (readonly)

Returns the value of attribute workflow_spec.



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# File 'lib/workflow.rb', line 128

def workflow_spec
  @workflow_spec
end

Instance Method Details

#workflow(&specification) ⇒ Object 



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# File 'lib/workflow.rb', line 140

def workflow(&specification)
  @workflow_spec = Specification.new(Hash.new, &specification)
  @workflow_spec.states.values.each do |state|
    state_name = state.name
    module_eval do
      define_method "#{state_name}?" do
        state_name == current_state.name
      end
    end

    state.events.values.each do |event|
      event_name = event.name
      module_eval do
        define_method "#{event_name}!".to_sym do |*args|
          process_event!(event_name, *args)
        end

        define_method "can_#{event_name}?" do
          return self.current_state.events.include?(event_name)
        end
      end
    end
  end
end

#workflow_column(column_name = nil) ⇒ Object 



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# File 'lib/workflow.rb', line 130

def workflow_column(column_name=nil)
  if column_name
    @workflow_state_column_name = column_name.to_sym
  end
  if !@workflow_state_column_name && superclass.respond_to?(:workflow_column)
    @workflow_state_column_name = superclass.workflow_column
  end
  @workflow_state_column_name ||= :workflow_state
end