/**
* Adds a child to this node.
*
* @param NodeInterface $child - Child.
* @param bool $setParent - Set Parent?
*
* @throws \IronEdge\Component\Graphs\Exception\ChildTypeNotSupportedException
*
* @return NodeInterface
*/
public function addChild(NodeInterface $child, bool $setParent = true) : NodeInterface
{
$ret = parent::addChild($child, $setParent);
if ($child instanceof State && $child->isInitial()) {
$this->addInitialState($child);
}
return $ret;
}
/**
* Method supportsParent.
*
* @param NodeInterface $parent - Parent.
*
* @return bool
*/
public function supportsParent(NodeInterface $parent) : bool
{
parent::supportsParent($parent);
return $parent instanceof State || $parent instanceof Flow;
}
/**
* Returns default metadata.
*
* @return array
*/
public function getDefaultMetadata() : array
{
return array_replace_recursive(parent::getDefaultMetadata(), ['isInitial' => false]);
}