Module: ActionLogic::ActionCoordinator::ClassMethods

Defined in:
lib/action_logic/action_coordinator.rb

Instance Method Summary collapse

Instance Method Details

#__private__type ⇒ Object 



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# File 'lib/action_logic/action_coordinator.rb', line 37

def __private__type
  "coordinator"
end

#execute(params = {}) ⇒ Object 



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# File 'lib/action_logic/action_coordinator.rb', line 12

def execute(params = {})
  around(params) do |execution_context|
    execution_context.call

    next_execution_context = execution_context.plan.keys.first

    while (next_execution_context) do
      execution_context.context = next_execution_context.execute(execution_context.context)
      next_execution_context = execution_context.plan[next_execution_context][execution_context.context.status]

      # From the perspective of the coordinator, the status of the context should be
      # :success as long as the state transition plan defines the next execution context
      # for a given current exection context and its resulting context state.
      # However, because normally a context in a state of :halted or :failure would
      # be considered a "breaking" state, the status of a context that is :halted or :failure
      # has to be reset to the default :success status only within the execution context of
      # the coordinator and only when the next execution context is defined within the
      # state transition plan. Otherwise, the context is return as is, without mutating its :status.
      execution_context.context.status = :success if next_execution_context
    end

    execution_context.context
  end
end