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<?php |
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use Finite\State\StateInterface; |
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class StateMachineFactory extends Object { |
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private static $handlers = []; |
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public function forDNDeployment(DNDeployment $obj) { |
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$loader = new Finite\Loader\ArrayLoader([ |
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'class' => 'DNDeployment', |
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'states' => [ |
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DNDeployment::STATE_NEW => ['type' => StateInterface::TYPE_INITIAL], |
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DNDeployment::STATE_SUBMITTED => ['type' => StateInterface::TYPE_NORMAL], |
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DNDeployment::STATE_INVALID => ['type' => StateInterface::TYPE_NORMAL], |
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DNDeployment::STATE_QUEUED => ['type' => StateInterface::TYPE_NORMAL], |
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DNDeployment::STATE_DEPLOYING => ['type' => StateInterface::TYPE_NORMAL], |
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DNDeployment::STATE_ABORTING => ['type' => StateInterface::TYPE_NORMAL], |
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DNDeployment::STATE_COMPLETED => ['type' => StateInterface::TYPE_FINAL], |
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DNDeployment::STATE_FAILED => ['type' => StateInterface::TYPE_FINAL], |
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], |
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'transitions' => [ |
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DNDeployment::TR_SUBMIT => ['from' => [DNDeployment::STATE_NEW], 'to' => DNDeployment::STATE_SUBMITTED], |
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DNDeployment::TR_QUEUE => ['from' => [DNDeployment::STATE_SUBMITTED], 'to' => DNDeployment::STATE_QUEUED], |
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DNDeployment::TR_INVALIDATE => [ |
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'from' => [DNDeployment::STATE_NEW, DNDeployment::STATE_SUBMITTED], |
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'to' => DNDeployment::STATE_INVALID |
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], |
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DNDeployment::TR_DEPLOY => ['from' => [DNDeployment::STATE_QUEUED], 'to' => DNDeployment::STATE_DEPLOYING], |
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DNDeployment::TR_ABORT => [ |
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'from' => [ |
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DNDeployment::STATE_QUEUED, |
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DNDeployment::STATE_DEPLOYING, |
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DNDeployment::STATE_ABORTING |
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], |
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'to' => DNDeployment::STATE_ABORTING |
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], |
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DNDeployment::TR_COMPLETE => ['from' => [DNDeployment::STATE_DEPLOYING], 'to' => DNDeployment::STATE_COMPLETED], |
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DNDeployment::TR_FAIL => [ |
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'from' => [ |
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DNDeployment::STATE_NEW, |
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DNDeployment::STATE_SUBMITTED, |
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DNDeployment::STATE_QUEUED, |
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DNDeployment::STATE_INVALID, |
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DNDeployment::STATE_DEPLOYING, |
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DNDeployment::STATE_ABORTING |
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], |
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'to' => DNDeployment::STATE_FAILED |
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], |
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] |
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]); |
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$stateMachine = new Finite\StateMachine\StateMachine($obj); |
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$loader->load($stateMachine); |
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$stateMachine->initialize(); |
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$this->addHandlers($stateMachine); |
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return $stateMachine; |
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} |
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protected function addHandlers($machine) { |
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$class = get_class($machine->getObject()); |
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if (empty($this->config()->handlers[$class])) return; |
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$transitions = $this->config()->handlers[$class]; |
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foreach ($transitions as $transName => $handlers) { |
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if (!is_array($handlers)) { |
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throw new Exception(sprintf('Transition %s must be configured as an assoc array.', $transName)); |
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} |
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foreach ($handlers as $handlerClass => $handlerMethod) { |
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$handlerObj = Injector::inst()->get($handlerClass); |
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if (!is_callable([$handlerObj, $handlerMethod])) { |
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throw new Exception(sprintf('Handler %s is not callable on %s.', $handlerMethod, $handlerClass)); |
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} |
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$machine->getDispatcher()->addListener( |
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sprintf('finite.post_transition.%s', $transName), |
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[$handlerObj, $handlerMethod] |
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); |
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} |
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} |
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} |
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} |
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silverstripe /
deploynaut
