/**
* Transition getting
*
* @param array $config
* @return Transition
*/
public function getTransition(array $config)
{
if (!array_key_exists(static::CONFIG_KEY_STATE_FROM, $config)) {
$message = 'Transition config has not required key "from"';
throw new Exception\InvalidTransitionConfig($message);
}
if (!array_key_exists(static::CONFIG_KEY_STATE_TO, $config)) {
$message = 'Transition config has not required key "to"';
throw new Exception\InvalidTransitionConfig($message);
}
$from = $this->stateFactory->getState($config[static::CONFIG_KEY_STATE_FROM]);
$to = $this->stateFactory->getState($config[static::CONFIG_KEY_STATE_TO]);
$signal = isset($config[static::CONFIG_KEY_SIGNAL]) ? $config[static::CONFIG_KEY_SIGNAL] : null;
$guard = isset($config[static::CONFIG_KEY_GUARD]) ? $this->guardManager->getGuardCallable($config[static::CONFIG_KEY_GUARD]) : null;
return new Transition($from, $to, $signal, $guard);
}
/**
* Internal machine context state getter
*
* @param ContextInterface $context
* @return StateInterface
*/
private function getContextState(ContextInterface $context)
{
return $this->statesFactory->getState($context->getContextState());
}
