/**
* Adds a token to one or more states.
*
* @param Token $token - Token.
* @param array $states - Array of states.
*
* @throws ValidationException
*
* @return Flow
*/
public function addTokenToStates(Token $token, array $states) : self
{
foreach ($states as $state) {
if (!$state instanceof State) {
throw ValidationException::create('Each element of $states must be an instance of State.');
}
$state->addToken($token);
}
return $this;
}
/**
* Creates a node instance.
*
* @param array $data - Node Data.
* @param array $options - Node Options.
*
* @throws ValidationException
*
* @return AbstractNode
*/
public function createNodeInstance(array $data, array $options = []) : AbstractNode
{
if (!isset($data['type'])) {
throw ValidationException::create('Field "type" is mandatory.');
}
switch ($data['type']) {
case Flow::TYPE:
$node = new Flow($data, $options);
break;
case State::TYPE:
$node = new State($data, $options);
break;
case Transition::TYPE:
$node = new Transition($data, $options);
break;
default:
throw ValidationException::create('Type "' . $data['type'] . '" invalid.');
}
return $node;
}
